2474	origin
1330	species
553	means
4	natural
6819	selection
13231	preservation
9629	favoured
2117	races
3075	struggle
74	life
194	charles
319	darwin
26	author
5736	descent
303	man
197	etc
197	etc
2850	sixth
173	london
80	edition
9509	additions
25865	corrections
4024	th
80	edition
2092	considered
67039	definititive
80	edition
486	see
0	project
1	gutenberg
9573	etext
1297	earlier
80	edition
6812	regard
424	material
535	world
1824	go
3044	perceive
6631	events
2657	brought
27836	insulated
67040	interpositions
543	divine
1627	power
5846	exerted
2917	particular
2331	case
6874	establishment
915	general
509	laws
42241	whewell
42218	bridgewater
18410	treatise
2115	distinct
3778	meaning
2472	word
4	natural
1912	stated
604	fixed
4941	settled
4	natural
971	requires
56159	presupposes
4039	intelligent
6193	agent
4322	render
5087	effect
4865	continually
1912	stated
884	times
14442	supernatural
10286	miraculous
5087	effect
9268	butler
2239	analogy
9943	revealed
546	religion
4410	conclude
834	therefore
1506	let
303	man
2193	weak
19474	conceit
13542	sobriety
933	applied
20710	moderation
1260	think
1837	maintain
303	man
3019	search
3989	studied
3	book
5096	god
2472	word
3	book
5096	god
918	works
208	divinity
11970	philosophy
1506	let
276	men
11384	endeavour
23231	endless
1528	progress
67041	proficience
15699	bacon
20156	advancement
7891	learning
158	historical
3233	sketch
1528	progress
6702	opinion
2474	origin
1330	species
4198	previously
2269	publication
80	edition
558	work
13	give
5194	brief
3233	sketch
1528	progress
6702	opinion
2474	origin
1330	species
4461	recently
790	great
3596	majority
415	naturalists
7717	believed
1330	species
35088	immutable
26943	productions
2242	separately
2826	created
4991	view
17357	ably
6896	maintained
17166	authors
415	naturalists
418	hand
7717	believed
1330	species
3128	undergo
973	modification
1138	existing
2162	forms
74	life
8275	descendants
1246	generation
1539	pre
1138	existing
2162	forms
450	passing
11167	allusions
427	subject
18393	classical
7305	writers
33734	aristotle
67042	physicae
67043	auscultationes
62820	lib
10893	cap
8625	remarking
2106	rain
776	fall
534	order
473	make
819	corn
881	grow
6520	falls
16084	spoil
3521	farmer
819	corn
20155	threshed
6969	doors
8612	applies
2247	argument
12920	organisation
2569	adds
5852	translated
390	mr
58477	clair
46896	grece
5572	pointed
1658	passage
49310	hinders
748	parts
739	body
449	merely
4983	accidental
313	relation
439	nature
1225	teeth
699	example
881	grow
4072	necessity
4925	front
938	ones
5295	sharp
4233	adapted
10646	dividing
7275	grinders
1789	flat
7438	serviceable
64694	masticating
966	food
413	made
7353	sake
1363	result
10009	accident
1296	manner
748	parts
851	appears
875	exist
6997	adaptation
612	end
33586	wheresoever
834	therefore
530	things
748	parts
5248	happened
413	made
7353	sake
6438	preserved
20847	appropriately
6287	constituted
3013	internal
50902	spontaneity
11	whatsoever
530	things
659	thus
6287	constituted
8359	perished
4974	perish
486	see
1151	principle
4	natural
6819	selection
67044	shadowed
1144	forth
33734	aristotle
2536	fully
10230	comprehended
1151	principle
807	shown
2086	remarks
7639	formation
1225	teeth
26	author
6050	modern
884	times
5947	treated
3426	scientific
4360	spirit
6054	buffon
14530	opinions
23448	fluctuated
1414	greatly
843	periods
874	enter
6065	causes
553	means
7728	transformation
1330	species
874	enter
6559	details
48208	lamarck
303	man
1262	conclusions
427	subject
4725	excited
1663	attention
8711	justly
17383	celebrated
192	naturalist
2437	published
14503	views
2304	enlarged
46844	philosophie
67045	zoologique
7669	subsequently
599	introduction
15704	hist
12520	nat
8606	des
31431	animaux
67046	vertebres
918	works
1853	holds
14371	doctrine
1330	species
5384	including
303	man
3199	descended
1330	species
6558	eminent
5228	service
34999	arousing
1663	attention
2219	probability
889	change
21627	organic
8500	inorganic
535	world
1363	result
3174	law
10286	miraculous
39713	interposition
48208	lamarck
1193	seems
767	chiefly
441	led
6630	conclusion
1642	gradual
889	change
1330	species
2125	difficulty
3561	distinguishing
1330	species
2149	varieties
947	perfect
67047	gradation
2162	forms
2830	groups
2239	analogy
2897	domestic
26943	productions
968	respect
553	means
973	modification
7011	attributed
1304	direct
469	action
6151	physical
539	conditions
74	life
5793	crossing
1138	existing
2162	forms
7	use
10544	disuse
17321	effects
479	habit
2330	latter
7200	agency
1193	seems
7016	attribute
541	beautiful
7024	adaptations
439	nature
745	neck
43977	giraffe
50664	browsing
1543	branches
1377	trees
7717	believed
3174	law
3430	progressive
955	development
2162	forms
74	life
659	thus
5421	tend
1528	progress
534	order
1089	account
844	existence
967	day
515	simple
26943	productions
6815	maintains
2162	forms
26088	spontaneously
7708	generated
976	taken
32	date
2269	publication
48208	lamarck
40812	isidore
56926	geoffroy
169	saint
37528	hilaire
15704	hist
12520	nat
25880	generale
9813	tom
249	ii
291	page
1447	excellent
5	history
6702	opinion
427	subject
558	work
498	full
1089	account
1510	given
6054	buffon
1262	conclusions
427	subject
1918	curious
4596	largely
13948	grandfather
1355	dr
32398	erasmus
319	darwin
16175	anticipated
14503	views
21811	erroneous
2367	grounds
6702	opinion
48208	lamarck
67048	zoonomia
8499	vol
5925	pages
2437	published
1123	according
26802	isid
56926	geoffroy
3896	doubt
33956	goethe
1176	extreme
19550	partisan
706	similar
14503	views
807	shown
599	introduction
558	work
5528	written
2437	published
4712	afterward
11230	pointedly
6129	remarked
33956	goethe
28962	als
30968	naturforscher
7757	von
1355	dr
28749	karl
67049	meding
2984	future
577	question
415	naturalists
3282	instance
4989	cattle
3274	got
16654	horns
1634	singular
3282	instance
1296	manner
706	similar
14503	views
5952	arise
607	time
33956	goethe
17407	germany
1355	dr
319	darwin
174	england
56926	geoffroy
169	saint
37528	hilaire
486	see
3304	france
2576	came
6630	conclusion
2474	origin
1330	species
436	years
56926	geoffroy
169	saint
37528	hilaire
1912	stated
74	life
5528	written
6901	son
4199	suspected
1113	call
1330	species
6	various
67050	degenerations
2713	type
2437	published
10687	conviction
2162	forms
6894	perpetuated
2474	origin
530	things
56926	geoffroy
1193	seems
13341	relied
767	chiefly
539	conditions
74	life
20311	monde
67051	ambiant
3893	cause
889	change
13102	cautious
1929	drawing
1262	conclusions
5363	believe
1138	existing
1330	species
14933	undergoing
973	modification
6901	son
2569	adds
16850	est
51383	donc
12439	un
67052	probleme
67053	reserver
67054	entierement
29525	avenir
2309	suppose
51564	meme
28788	que
29525	avenir
67055	doive
57001	avoir
31805	prise
18308	sur
51384	lui
1355	dr
4536	wells
2848	read
6002	royal
2020	society
1089	account
411	white
1688	female
839	part
2298	skin
2425	resembles
5631	negro
2270	paper
2437	published
253	famous
20347	essays
8839	dew
2168	single
2097	vision
886	appeared
2270	paper
6347	distinctly
12588	recognises
1151	principle
4	natural
6819	selection
6918	recognition
7735	indicated
8612	applies
2117	races
303	man
7165	characters
8625	remarking
23367	negroes
67056	mulattoes
8718	enjoy
14907	immunity
1252	tropical
5304	diseases
2126	observes
6826	firstly
293	animals
5421	tend
847	vary
2069	degree
5040	secondly
44334	agriculturists
7716	improve
2017	domesticated
293	animals
6819	selection
2569	adds
2330	latter
2331	case
201	art
1193	seems
2332	equal
10844	efficacy
1833	slowly
439	nature
7639	formation
2149	varieties
5134	mankind
979	fitted
1093	country
2476	inhabit
4983	accidental
2149	varieties
303	man
1798	occur
1331	scattered
6224	inhabitants
2221	middle
1282	regions
1270	africa
979	fitted
1025	others
1969	bear
5304	diseases
1093	country
3093	race
5341	consequently
3169	multiply
1025	others
21472	decrease
6983	ability
4054	sustain
3112	attacks
5306	disease
6725	incapacity
13289	contending
6448	vigorous
13213	neighbours
9916	colour
6448	vigorous
3093	race
953	take
3076	granted
867	said
2516	dark
1198	disposition
838	form
2149	varieties
1138	existing
1387	darker
1387	darker
3093	race
954	course
607	time
1798	occur
11242	darkest
979	fitted
4168	climate
1758	length
644	become
8317	prevalent
3093	race
2917	particular
1093	country
1299	originated
2629	extends
14503	views
411	white
6224	inhabitants
22367	colder
21201	climates
4833	indebted
390	mr
25283	rowley
124	united
125	states
661	called
1663	attention
390	mr
14722	brace
1658	passage
1355	dr
4536	wells
558	work
120	hon
227	rev
8789	herbert
4712	afterward
206	dean
23079	manchester
5956	fourth
24	volume
21313	horticultural
6042	transactions
558	work
67057	amaryllidaceae
5925	pages
20153	declares
21313	horticultural
5700	experiments
2237	established
9485	possibility
22215	refutation
8618	botanical
1330	species
1027	higher
2361	permanent
3195	class
2149	varieties
2629	extends
4991	view
293	animals
206	dean
7826	believes
2168	single
1330	species
2434	genus
2826	created
6818	originally
2089	highly
41336	plastic
725	condition
40	produced
767	chiefly
21805	inter
5793	crossing
2174	variation
1138	existing
1330	species
200	professor
228	grant
14524	concluding
9390	paragraph
664	known
2270	paper
9312	edinburgh
19001	philosophical
5570	journal
8499	vol
25	xiv
291	page
67058	spongilla
2751	clearly
20153	declares
5542	belief
1330	species
3199	descended
1330	species
644	become
7729	improved
954	course
973	modification
4991	view
1510	given
1834	fifty
5957	fifth
14870	lecture
2437	published
22239	lancet
390	mr
21021	patrick
42854	matthew
2437	published
558	work
11665	naval
8210	timber
22711	arboriculture
695	gives
2409	precisely
4991	view
2474	origin
1330	species
4131	presently
8449	alluded
44406	propounded
390	mr
323	wallace
29623	linnean
5570	journal
2304	enlarged
24	volume
7441	unfortunately
4991	view
1510	given
390	mr
42854	matthew
5010	briefly
1331	scattered
6126	passages
35378	appendix
558	work
427	subject
1452	remained
6723	unnoticed
390	mr
42854	matthew
5611	drew
1663	attention
16982	gardeners
9742	chronicle
33	april
2147	differences
390	mr
42854	matthew
14503	views
795	importance
1193	seems
5191	consider
535	world
813	nearly
34430	depopulated
3697	successive
843	periods
67059	restocked
695	gives
25942	alternative
2162	forms
7708	generated
2287	presence
20124	mold
992	germ
116	former
47723	aggregates
5860	understand
6126	passages
1193	seems
8691	attributes
5076	influence
1304	direct
469	action
539	conditions
74	life
2751	clearly
338	saw
498	full
2245	force
1151	principle
4	natural
6819	selection
17383	celebrated
8248	geologist
192	naturalist
7757	von
46525	buch
1447	excellent
3998	description
18528	physique
8606	des
19231	isles
43276	canaries
291	page
2751	clearly
19566	expresses
5542	belief
2149	varieties
1833	slowly
644	become
1086	changed
2361	permanent
1330	species
2543	longer
1822	capable
67060	intercrossing
67061	rafinesque
18329	flora
2278	north
1254	america
2437	published
9220	wrote
291	page
5322	follows
1330	species
2149	varieties
2149	varieties
945	gradually
3504	becoming
1330	species
12912	assuming
3137	constant
1567	peculiar
7165	characters
1012	further
291	page
2569	adds
493	original
2727	types
3200	ancestors
2434	genus
200	professor
67062	haldeman
104	boston
5570	journal
12520	nat
15704	hist
125	states
8499	vol
254	iv
291	page
17357	ably
1510	given
17001	arguments
26614	hypothesis
955	development
973	modification
1330	species
1193	seems
2288	lean
1503	side
889	change
32986	vestiges
6824	creation
886	appeared
2759	tenth
7729	improved
80	edition
26193	anonymous
26	author
516	says
291	page
8596	proposition
5865	determined
5118	consideration
951	series
6698	animated
1021	beings
6980	simplest
2646	oldest
2041	highest
2405	recent
10257	providence
5096	god
5065	results
1599	impulse
13759	imparted
2162	forms
74	life
6175	advancing
893	definite
884	times
1246	generation
3202	grades
12920	organisation
7192	terminating
2041	highest
67063	dicotyledons
7204	vertebrata
3202	grades
2554	number
1538	generally
437	marked
3213	intervals
21627	organic
35	character
540	find
7186	practical
2125	difficulty
21796	ascertaining
43973	affinities
1599	impulse
3553	connected
1158	vital
5484	forces
8393	tending
954	course
2811	generations
22599	modify
21627	organic
4560	structures
7448	accordance
2146	external
2364	circumstances
966	food
439	nature
2466	habitat
37263	meteoric
24479	agencies
7024	adaptations
4	natural
24564	theologian
26	author
2022	apparently
7826	believes
12920	organisation
23666	progresses
2079	sudden
1640	leaps
17321	effects
40	produced
539	conditions
74	life
1642	gradual
6817	argues
2245	force
915	general
2367	grounds
1330	species
35088	immutable
26943	productions
486	see
4480	supposed
13887	impulses
1089	account
3426	scientific
2096	sense
2552	numerous
541	beautiful
67064	coadaptations
486	see
439	nature
486	see
659	thus
5062	gain
33666	insight
3282	instance
404	woodpecker
644	become
4233	adapted
1567	peculiar
1240	habits
74	life
558	work
1439	powerful
3024	brilliant
433	style
1542	displaying
9358	editions
6277	accurate
532	knowledge
790	great
2801	want
3426	scientific
1177	caution
1670	wide
6127	circulation
6702	opinion
1447	excellent
5228	service
1093	country
4707	calling
1663	attention
427	subject
6691	removing
5349	prejudice
659	thus
4880	preparing
626	ground
7435	reception
3285	analogous
14503	views
35591	veteran
8248	geologist
67065	omalius
67066	halloy
2437	published
1447	excellent
2270	paper
21055	bulletins
1771	de
29871	acad
23976	roy
29602	bruxelles
9813	tom
267	xiii
291	page
6702	opinion
855	probable
1330	species
40	produced
5736	descent
973	modification
2242	separately
2826	created
26	author
20144	promulgated
6702	opinion
200	professor
2213	owen
439	nature
1533	limbs
291	page
9220	wrote
5322	follows
67067	archetypal
1581	idea
1617	manifested
779	flesh
19760	diverse
8343	modifications
14697	planet
18233	prior
844	existence
67	animal
1330	species
2765	actually
6764	exemplify
4	natural
509	laws
16491	secondary
6065	causes
6258	orderly
1607	succession
1524	progression
21627	organic
445	phenomena
9543	committed
6728	ignorant
1584	address
5732	british
12914	association
1536	speaks
291	page
21830	li
35491	axiom
7657	continuous
651	operation
26541	creative
1627	power
33224	ordained
3504	becoming
530	things
1012	further
291	page
29821	xc
7163	referring
2426	geographical
2622	distribution
2569	adds
445	phenomena
4490	shake
4615	confidence
6630	conclusion
67068	apteryx
7756	zealand
3760	red
3833	grouse
174	england
2115	distinct
33721	creations
1333	islands
2205	respectively
1969	bear
2443	mind
2472	word
6824	creation
43035	zoologist
553	means
648	process
965	knows
67069	amplifies
1581	idea
529	adding
2643	cases
3760	red
3833	grouse
8613	enumerated
43035	zoologist
1238	evidence
2115	distinct
6824	creation
321	bird
1333	islands
767	chiefly
19566	expresses
965	knows
3760	red
3833	grouse
2576	came
842	exclusively
41269	signifying
1241	mode
12752	expressing
9899	ignorance
5542	belief
321	bird
1333	islands
9435	owed
2474	origin
790	great
26541	creative
3893	cause
33154	interpret
14426	sentences
1510	given
1584	address
851	appears
6558	eminent
11805	philosopher
2452	felt
4615	confidence
10635	shaken
67068	apteryx
3760	red
3833	grouse
886	appeared
7203	respective
5069	homes
4177	knew
648	process
4177	knew
1584	address
12187	delivered
8498	papers
390	mr
323	wallace
2474	origin
1330	species
4131	presently
2272	referred
2848	read
29623	linnean
2020	society
80	edition
558	work
2437	published
1628	completely
5709	deceived
1025	others
10110	expressions
7657	continuous
651	operation
26541	creative
1627	power
16	included
200	professor
2213	owen
45671	palaeontologists
5938	firmly
8773	convinced
35928	immutability
1330	species
851	appears
32339	anat
2750	vertebrates
8499	vol
252	iii
291	page
839	part
15074	preposterous
18323	error
80	edition
558	work
12512	inferred
14030	inference
1193	seems
1323	perfectly
1658	passage
526	beginning
523	words
3896	doubt
2713	type
838	form
197	etc
32299	ibid
8499	vol
291	page
16746	xxxv
200	professor
2213	owen
1301	admitted
4	natural
6819	selection
7639	formation
1330	species
851	appears
32299	ibid
8499	vol
252	iii
291	page
9459	inaccurate
1238	evidence
1887	gave
17455	extracts
11003	correspondence
200	professor
2213	owen
27	editor
173	london
18872	review
886	appeared
2346	manifest
27	editor
200	professor
2213	owen
5155	claimed
20144	promulgated
6055	theory
4	natural
6819	selection
6814	expressed
1674	surprise
1127	satisfaction
12188	announcement
5860	understand
4461	recently
2437	published
6126	passages
32299	ibid
8499	vol
252	iii
291	page
3489	partially
716	wholly
3881	fallen
18323	error
14364	consolatory
1025	others
540	find
200	professor
2213	owen
18775	controversial
414	writings
1242	difficult
5860	understand
12864	reconcile
2116	mere
42762	enunciation
1151	principle
4	natural
6819	selection
6076	concerned
39991	immaterial
200	professor
2213	owen
5963	preceded
807	shown
158	historical
3233	sketch
5963	preceded
1355	dr
4536	wells
390	mr
31056	matthews
40812	isidore
56926	geoffroy
169	saint
37528	hilaire
27166	lectures
12187	delivered
14584	resume
886	appeared
28889	revue
18414	et
42116	mag
1771	de
67070	zoolog
9265	jan
5010	briefly
695	gives
1765	reason
1321	believing
7817	specific
7165	characters
46354	sont
4572	fixes
6060	pour
57053	chaque
67071	espece
26811	tant
40380	qu
51468	elle
20280	se
53711	perpetue
17992	au
58970	milieu
8606	des
45255	memes
67072	circonstances
59663	ils
20280	se
67073	modifient
24162	si
21197	les
67072	circonstances
67074	ambiantes
67075	viennent
55337	changer
6847	en
14584	resume
1537	observation
8606	des
31431	animaux
59344	sauvages
67076	demontre
57184	deja
13545	la
67077	variabilite
67078	limitee
8606	des
29025	especes
21197	les
7025	experiences
18308	sur
21197	les
31431	animaux
59344	sauvages
67079	devenus
67080	domestiques
18414	et
18308	sur
21197	les
31431	animaux
67080	domestiques
67081	redevenus
59344	sauvages
13545	la
67082	demontrent
67083	clairment
52506	encore
51385	ces
45255	memes
7025	experiences
67084	prouvent
1771	de
28788	que
21197	les
2147	differences
67085	produites
67086	peuvent
27911	etre
1771	de
59538	valeur
67087	generique
15704	hist
12520	nat
25880	generale
9813	tom
249	ii
291	page
67069	amplifies
3285	analogous
1262	conclusions
4058	circular
2359	lately
8238	issued
851	appears
1355	dr
67088	freke
26605	dublin
9267	medical
111	press
291	page
44406	propounded
14371	doctrine
21627	organic
1021	beings
3199	descended
67089	primordial
838	form
2367	grounds
5542	belief
5353	treatment
427	subject
716	wholly
1355	dr
67088	freke
2437	published
27610	essay
2474	origin
1330	species
553	means
21627	organic
21815	affinity
1242	difficult
2033	attempt
13	give
1581	idea
14503	views
34154	superfluous
839	part
390	mr
8789	herbert
13974	spencer
27610	essay
6818	originally
2437	published
7975	leader
3531	march
67090	republished
20347	essays
8706	contrasted
16098	theories
6824	creation
955	development
21627	organic
1021	beings
841	remarkable
3005	skill
2245	force
6817	argues
2239	analogy
2897	domestic
26943	productions
952	changes
46033	embryos
1330	species
3128	undergo
2125	difficulty
3561	distinguishing
1330	species
2149	varieties
1151	principle
915	general
67047	gradation
1330	species
6124	modified
8691	attributes
973	modification
889	change
2364	circumstances
26	author
5947	treated
17322	psychology
1151	principle
485	necessary
6825	acquirement
6194	mental
1627	power
10107	capacity
67047	gradation
67091	naudin
2971	distinguished
8255	botanist
10263	expressly
1912	stated
4417	admirable
2270	paper
2474	origin
1330	species
28889	revue
67092	horticole
291	page
1993	partly
67090	republished
30001	nouvelles
497	archives
17776	du
2200	museum
9813	tom
291	page
5542	belief
1330	species
981	formed
3285	analogous
1296	manner
2149	varieties
17131	cultivation
2330	latter
648	process
8691	attributes
303	man
1627	power
6819	selection
1725	show
6819	selection
2684	acts
439	nature
7826	believes
206	dean
8789	herbert
1330	species
45420	nascent
41336	plastic
752	lays
1973	weight
1139	calls
1151	principle
38886	finality
67093	puissance
67094	mysterieuse
67095	indeterminee
67096	fatalite
6060	pour
21197	les
37365	uns
6060	pour
21197	les
31831	autres
67097	volonte
67098	providentielle
31801	dont
469	action
67099	incessante
18308	sur
21197	les
67100	etres
67101	vivantes
4283	determine
67102	toutes
21197	les
48201	epoques
1771	de
844	existence
17776	du
20311	monde
13545	la
67103	forme
9290	le
24	volume
18414	et
13545	la
67104	duree
1771	de
67105	chacun
45254	eux
6847	en
27910	raison
1771	de
21386	sa
28864	destinee
26188	dans
67106	ordre
1771	de
58619	choses
31801	dont
19000	il
29007	fait
45657	partie
16850	est
29410	cette
67093	puissance
29400	qui
40102	harmonise
57053	chaque
67107	membre
29579	ensemble
6847	en
67108	appropriant
13545	la
67109	fonction
40380	qu
19000	il
51460	doit
67110	remplir
26188	dans
67111	organisme
915	general
1771	de
13545	la
439	nature
67109	fonction
29400	qui
16850	est
6060	pour
51384	lui
21386	sa
27910	raison
27911	etre
9395	references
45661	bronn
29322	untersuchungen
67112	uber
872	die
67113	entwickelungs
67114	gesetze
851	appears
17383	celebrated
8255	botanist
67115	palaeontologist
67116	unger
2437	published
5542	belief
1330	species
3128	undergo
955	development
973	modification
41651	dalton
67117	pander
41651	dalton
558	work
6834	fossil
64124	sloths
6814	expressed
706	similar
5542	belief
706	similar
14503	views
664	known
6896	maintained
67118	oken
44931	mystical
30145	natur
46844	philosophie
9395	references
67119	godron
558	work
18308	sur
67071	espece
1193	seems
64148	bory
6536	st
4831	vincent
67120	burdach
67121	poiret
29369	fries
1301	admitted
1330	species
4865	continually
40	produced
2976	add
2358	thirty
17166	authors
7312	named
158	historical
3233	sketch
5363	believe
973	modification
1330	species
39292	disbelieve
929	separate
2684	acts
6824	creation
100	twenty
3980	seven
5528	written
1543	branches
4	natural
5	history
38061	geology
17383	celebrated
8248	geologist
5401	count
67122	keyserling
6218	bulletin
1771	de
13545	la
32042	soc
67123	geolog
24093	nd
28797	ser
9813	tom
291	page
1263	suggested
5304	diseases
4480	supposed
4377	caused
39086	miasma
8662	arisen
2432	spread
535	world
843	periods
956	germs
1138	existing
1330	species
21729	chemically
5522	affected
67124	circumambient
936	molecules
2917	particular
439	nature
659	thus
1510	given
949	rise
2162	forms
2658	year
1355	dr
67125	schaaffhausen
2437	published
1447	excellent
19813	pamphlet
67126	verhand
8606	des
67127	naturhist
45042	vereins
1774	der
46458	preuss
67128	rheinlands
197	etc
6815	maintains
955	development
21627	organic
2162	forms
64	earth
42003	infers
1330	species
984	kept
843	periods
644	become
6124	modified
996	distinction
1330	species
1023	explains
3894	destruction
2196	intermediate
6919	graduated
2162	forms
659	thus
447	plants
293	animals
942	separated
3469	extinct
33721	creations
5703	regarded
8275	descendants
649	continued
19069	reproduction
664	known
7154	french
8255	botanist
67129	lecoq
5247	writes
30648	etudes
18308	sur
67130	geograph
45640	bot
9813	tom
291	page
22193	voit
28788	que
24135	nos
29056	recherches
18308	sur
13545	la
67131	fixite
16849	ou
13545	la
2174	variation
1771	de
67071	espece
36044	nous
67132	conduisent
67133	directement
30109	aux
48206	idees
67134	emises
10693	par
29999	deux
30283	hommes
67135	justement
67136	celebres
56926	geoffroy
169	saint
37528	hilaire
18414	et
33956	goethe
6126	passages
1331	scattered
67129	lecoq
558	work
473	make
7308	doubtful
2629	extends
14503	views
973	modification
1330	species
11970	philosophy
6824	creation
5947	treated
8420	masterly
1296	manner
227	rev
25674	baden
48133	powell
20347	essays
25249	unity
15061	worlds
1889	striking
1296	manner
2201	shows
599	introduction
1330	species
950	regular
8422	casual
13228	phenomenon
322	sir
128	john
41104	herschel
19566	expresses
4	natural
54818	contradistinction
10286	miraculous
648	process
79	third
24	volume
5570	journal
29623	linnean
2020	society
616	contains
8498	papers
2848	read
4170	july
390	mr
323	wallace
1912	stated
17298	introductory
2086	remarks
24	volume
6055	theory
4	natural
6819	selection
20144	promulgated
390	mr
323	wallace
4417	admirable
2245	force
13877	clearness
7757	von
67137	baer
64348	zoologists
1190	feel
7379	profound
968	respect
6814	expressed
2658	year
486	see
5244	prof
30723	rudolph
25163	wagner
67138	zoologisch
67139	anthropologische
29322	untersuchungen
10687	conviction
767	chiefly
15727	grounded
509	laws
2426	geographical
2622	distribution
2162	forms
1323	perfectly
2115	distinct
3199	descended
2168	single
2955	parent
838	form
3599	june
200	professor
297	huxley
1887	gave
14870	lecture
6002	royal
10899	institution
12911	persistent
2727	types
67	animal
74	life
7163	referring
2643	cases
2086	remarks
1242	difficult
12795	comprehend
3778	meaning
1651	facts
2309	suppose
1330	species
67	animal
621	plant
790	great
2713	type
12920	organisation
981	formed
750	placed
935	surface
17083	globe
3213	intervals
2115	distinct
1178	act
26541	creative
1627	power
2853	recollect
892	assumption
17994	unsupported
2375	tradition
28592	revelation
12744	opposed
915	general
2239	analogy
439	nature
418	hand
4991	view
12911	persistent
2727	types
313	relation
26614	hypothesis
27280	supposes
1330	species
607	time
1363	result
1642	gradual
973	modification
1539	pre
1138	existing
1330	species
26614	hypothesis
67140	unproven
8835	sadly
9465	damaged
20174	supporters
1022	physiology
19936	lends
10326	countenance
844	existence
1125	seem
1725	show
2719	amount
973	modification
1021	beings
3668	undergone
6220	geological
607	time
313	relation
951	series
952	changes
10194	suffered
4017	december
1355	dr
49806	hooker
2437	published
599	introduction
3470	australian
18329	flora
839	part
790	great
558	work
6965	admits
462	truth
5736	descent
973	modification
1330	species
7662	supports
14371	doctrine
493	original
474	observations
80	edition
558	work
2437	published
3826	november
80	edition
4018	january
290	contents
599	introduction
2851	chapter
2174	variation
2345	domestication
6065	causes
2122	variability
17321	effects
479	habit
7	use
10544	disuse
748	parts
67141	correlated
2174	variation
1200	inheritance
35	character
2897	domestic
2149	varieties
2125	difficulty
3561	distinguishing
2149	varieties
1330	species
2474	origin
2897	domestic
2149	varieties
1330	species
2897	domestic
4324	pigeons
2147	differences
2474	origin
7546	principles
6819	selection
41590	anciently
1189	followed
17321	effects
3964	methodical
5479	unconscious
6819	selection
1191	unknown
2474	origin
2897	domestic
26943	productions
2364	circumstances
14207	favourable
303	man
1627	power
6819	selection
2851	chapter
249	ii
2174	variation
439	nature
2122	variability
2143	individual
2147	differences
7308	doubtful
1330	species
1670	wide
9785	ranging
937	diffused
733	common
1330	species
847	vary
1330	species
712	larger
6233	genera
1093	country
847	vary
1365	frequently
1330	species
1353	smaller
6233	genera
1330	species
712	larger
6233	genera
1957	resemble
2149	varieties
796	closely
5985	unequally
592	related
21563	restricted
4473	ranges
2851	chapter
252	iii
3075	struggle
844	existence
3297	bearing
4	natural
6819	selection
2481	term
1670	wide
2096	sense
6121	geometrical
41837	ratio
2764	increase
3790	rapid
2764	increase
58855	naturalised
293	animals
447	plants
439	nature
9560	checks
2764	increase
17513	competition
3463	universal
17321	effects
4168	climate
1816	protection
2554	number
2142	individuals
6319	complex
501	relations
293	animals
447	plants
439	nature
3075	struggle
74	life
3612	severe
2142	individuals
2149	varieties
1330	species
3612	severe
1330	species
2434	genus
313	relation
22183	organism
22183	organism
501	relations
2851	chapter
254	iv
4	natural
6819	selection
33005	survival
35457	fittest
4	natural
6819	selection
1627	power
894	compared
303	man
6819	selection
1627	power
7165	characters
6280	trifling
795	importance
1627	power
5050	ages
4342	sexes
8601	sexual
6819	selection
13563	generality
67142	intercrosses
2142	individuals
1330	species
2364	circumstances
14207	favourable
11423	unfavourable
5065	results
4	natural
6819	selection
7117	namely
67060	intercrossing
36209	isolation
2554	number
2142	individuals
1818	slow
469	action
20063	extinction
4377	caused
4	natural
6819	selection
46257	divergence
35	character
592	related
7466	diversity
6224	inhabitants
2433	area
58782	naturalisation
469	action
4	natural
6819	selection
46257	divergence
35	character
20063	extinction
8275	descendants
733	common
2955	parent
1023	explains
46250	grouping
21627	organic
1021	beings
2814	advance
12920	organisation
1788	low
2162	forms
6438	preserved
67143	convergence
35	character
3993	indefinite
16839	multiplication
1330	species
22545	summary
2851	chapter
509	laws
2174	variation
17321	effects
1086	changed
539	conditions
7	use
10544	disuse
727	combined
4	natural
6819	selection
1589	organs
1644	flight
2097	vision
67144	acclimatisation
67141	correlated
2174	variation
23758	compensation
2876	economy
298	growth
2006	false
67145	correlations
41493	multiple
943	rudimentary
2854	lowly
60453	organised
4560	structures
925	variable
748	parts
946	developed
2314	unusual
1296	manner
2089	highly
925	variable
7817	specific
7165	characters
925	variable
18590	generic
16491	secondary
8601	sexual
7165	characters
925	variable
1330	species
2434	genus
847	vary
3285	analogous
1296	manner
67146	reversions
465	lost
7165	characters
22545	summary
2851	chapter
257	vi
1276	difficulties
6055	theory
1276	difficulties
6055	theory
5736	descent
973	modification
4815	absence
11747	rarity
18118	transitional
2149	varieties
57315	transitions
1240	habits
74	life
8525	diversified
1240	habits
1330	species
1330	species
1240	habits
2585	widely
2252	allies
1589	organs
1176	extreme
6148	perfection
20270	modes
6008	transition
2643	cases
2125	difficulty
67147	natura
8682	non
56862	facit
67148	saltum
1589	organs
795	importance
1589	organs
2643	cases
3126	absolutely
947	perfect
3174	law
25249	unity
2713	type
539	conditions
844	existence
7711	embraced
6055	theory
4	natural
6819	selection
2851	chapter
258	vii
9727	miscellaneous
23735	objections
6055	theory
4	natural
6819	selection
10019	longevity
8343	modifications
5327	necessarily
17118	simultaneous
8343	modifications
2022	apparently
1304	direct
5228	service
3430	progressive
955	development
7165	characters
22339	functional
795	importance
3137	constant
4480	supposed
6996	incompetence
4	natural
6819	selection
1089	account
22306	incipient
3429	stages
5124	useful
4560	structures
6065	causes
5939	interfere
8503	acquisition
4	natural
6819	selection
5124	useful
4560	structures
10254	gradations
679	structure
1086	changed
1024	functions
2585	widely
1589	organs
2376	members
3195	class
946	developed
3597	source
8492	reasons
65515	disbelieving
790	great
10518	abrupt
8343	modifications
2851	chapter
260	viii
1174	instinct
3187	instincts
4795	comparable
1240	habits
2474	origin
3187	instincts
6919	graduated
6866	aphides
336	ants
3187	instincts
925	variable
2897	domestic
3187	instincts
2474	origin
4	natural
3187	instincts
4554	cuckoo
67149	molothrus
3488	ostrich
1885	parasitic
5346	bees
6895	slave
1422	making
336	ants
5866	hive
3942	bee
3407	cell
1422	making
1174	instinct
952	changes
1174	instinct
679	structure
5327	necessarily
17118	simultaneous
1276	difficulties
6055	theory
4	natural
6819	selection
3187	instincts
6809	neuter
32691	sterile
1699	insects
22545	summary
2851	chapter
262	ix
67150	hybridism
996	distinction
18823	sterility
8649	crosses
17449	hybrids
18823	sterility
6	various
2069	degree
3463	universal
5522	affected
65119	interbreeding
4308	removed
2345	domestication
509	laws
8726	governing
18823	sterility
17449	hybrids
18823	sterility
50673	endowment
9484	incidental
2147	differences
7673	accumulated
4	natural
6819	selection
6065	causes
18823	sterility
8649	crosses
17449	hybrids
7754	parallelism
17321	effects
1086	changed
539	conditions
74	life
5793	crossing
67151	dimorphism
67152	trimorphism
22934	fertility
2149	varieties
2356	crossed
34969	mongrel
1814	offspring
3463	universal
17449	hybrids
67153	mongrels
894	compared
3421	independently
22934	fertility
22545	summary
2851	chapter
37840	imperfection
6220	geological
5402	record
4815	absence
2196	intermediate
2149	varieties
967	day
439	nature
3469	extinct
2196	intermediate
2149	varieties
2554	number
6735	lapse
607	time
12512	inferred
2243	rate
41331	denudation
7812	deposition
6735	lapse
607	time
2088	estimated
436	years
67154	poorness
44810	palaeontological
1257	collections
67155	intermittence
6220	geological
41338	formations
41331	denudation
45164	granitic
22441	areas
4815	absence
2196	intermediate
2149	varieties
7639	formation
2079	sudden
1615	appearance
2830	groups
1330	species
2079	sudden
1615	appearance
2749	lowest
664	known
67156	fossiliferous
6016	strata
13969	antiquity
36542	habitable
64	earth
2851	chapter
264	xi
6220	geological
1607	succession
21627	organic
1021	beings
1818	slow
3697	successive
1615	appearance
1330	species
19593	rates
889	change
1330	species
465	lost
14156	reappear
2830	groups
1330	species
5123	follow
915	general
9365	rules
1615	appearance
8389	disappearance
2168	single
1330	species
20063	extinction
17118	simultaneous
952	changes
2162	forms
74	life
535	world
43973	affinities
3469	extinct
1330	species
1330	species
1032	state
955	development
4347	ancient
2162	forms
1607	succession
2727	types
22441	areas
22545	summary
2436	preceding
2851	chapter
2851	chapter
265	xii
2426	geographical
2622	distribution
2622	distribution
7523	accounted
2147	differences
6151	physical
539	conditions
795	importance
13370	barriers
21815	affinity
26943	productions
6973	continent
7007	centres
6824	creation
553	means
10244	dispersal
952	changes
4168	climate
1456	level
274	land
2255	occasional
553	means
10244	dispersal
8260	glacial
2772	period
1606	alternate
8260	glacial
843	periods
2278	north
2627	south
2851	chapter
267	xiii
2426	geographical
2622	distribution
649	continued
2622	distribution
568	fresh
635	water
26943	productions
6224	inhabitants
49883	oceanic
1333	islands
4815	absence
45645	batrachians
3300	terrestrial
1572	mammals
313	relation
6224	inhabitants
1333	islands
4424	nearest
1343	mainland
59046	colonisation
4424	nearest
3597	source
2440	subsequent
973	modification
22545	summary
2851	chapter
2851	chapter
25	xiv
4187	mutual
43973	affinities
21627	organic
1021	beings
1020	morphology
67157	embryology
943	rudimentary
1589	organs
7167	classification
2830	groups
23757	subordinate
2830	groups
4	natural
4412	system
9365	rules
1276	difficulties
7167	classification
8494	explained
6055	theory
5736	descent
973	modification
7167	classification
2149	varieties
5736	descent
7167	classification
67158	analogical
7033	adaptive
7165	characters
43973	affinities
915	general
6319	complex
37248	radiating
20063	extinction
2191	separates
34711	defines
2830	groups
1020	morphology
2376	members
3195	class
748	parts
2143	individual
67157	embryology
509	laws
8494	explained
6816	variations
67159	supervening
1829	age
6959	inherited
7029	corresponding
1829	age
943	rudimentary
1589	organs
2474	origin
8494	explained
22545	summary
2851	chapter
268	xv
48849	recapitulation
6630	conclusion
48849	recapitulation
23735	objections
6055	theory
4	natural
6819	selection
48849	recapitulation
915	general
2364	circumstances
9755	favour
6065	causes
915	general
5542	belief
35928	immutability
1330	species
6055	theory
4	natural
6819	selection
2600	extended
17321	effects
2256	adoption
470	study
4	natural
5	history
14524	concluding
2086	remarks
43319	glossary
3426	scientific
14	terms
7210	index
2474	origin
1330	species
599	introduction
114	board
67160	beagle
192	naturalist
6185	struck
1651	facts
2622	distribution
21627	organic
1021	beings
4044	inhabiting
2627	south
1254	america
6220	geological
501	relations
6224	inhabitants
6973	continent
1651	facts
417	seen
2330	latter
8311	chapters
24	volume
2098	seemed
1626	throw
3104	light
2474	origin
1330	species
1187	mystery
2901	mysteries
661	called
1611	greatest
11688	philosophers
578	return
7767	occurred
413	made
577	question
6514	patiently
13452	accumulating
11122	reflecting
2933	sorts
1651	facts
3333	possibly
3297	bearing
436	years
558	work
667	allowed
6898	speculate
427	subject
5611	drew
378	notes
2304	enlarged
3233	sketch
1262	conclusions
2098	seemed
855	probable
2772	period
967	day
8180	steadily
1477	pursued
1661	object
1206	hope
1283	excused
6741	entering
527	personal
6559	details
13	give
1725	show
4855	hasty
2943	coming
2782	decision
558	work
813	nearly
4134	finished
953	take
436	years
4774	complete
5139	health
2341	strong
1504	urged
17173	publish
19719	abstract
1731	especially
3046	induced
390	mr
323	wallace
2449	studying
4	natural
5	history
9308	malay
1362	archipelago
7319	arrived
2153	exactly
915	general
1262	conclusions
2474	origin
1330	species
4834	sent
41558	memoir
427	subject
9426	request
1507	forward
322	sir
194	charles
44085	lyell
4834	sent
29623	linnean
2020	society
2437	published
79	third
24	volume
5570	journal
2020	society
322	sir
44085	lyell
1355	dr
49806	hooker
4177	knew
558	work
2330	latter
2848	read
3233	sketch
9954	honoured
4104	thinking
12867	advisable
17173	publish
390	mr
323	wallace
1447	excellent
41558	memoir
5194	brief
17455	extracts
32787	manuscripts
19719	abstract
17173	publish
5327	necessarily
8027	imperfect
13	give
9395	references
6811	authorities
1780	statements
1217	trust
5352	reader
7410	reposing
4615	confidence
2227	accuracy
3896	doubt
9462	errors
8157	crept
1206	hope
13102	cautious
7354	trusting
1205	good
6811	authorities
13	give
915	general
1262	conclusions
7319	arrived
1651	facts
288	illustration
1206	hope
2643	cases
3054	suffice
1190	feel
11415	sensible
4072	necessity
2995	hereafter
24632	publishing
3239	detail
1651	facts
9395	references
1262	conclusions
15727	grounded
1206	hope
2984	future
558	work
2224	aware
4280	scarcely
2168	single
223	point
11363	discussed
24	volume
1651	facts
2248	adduced
2022	apparently
4633	leading
1262	conclusions
583	opposite
7319	arrived
2980	fair
1363	result
660	obtained
2536	fully
14314	stating
5099	balancing
1651	facts
17001	arguments
584	sides
577	question
1579	impossible
12280	regret
2801	want
1057	space
5903	prevents
1127	satisfaction
33330	acknowledging
12957	generous
9516	assistance
5397	received
415	naturalists
22204	personally
1191	unknown
1506	let
1478	opportunity
587	pass
12752	expressing
1860	deep
23792	obligations
1355	dr
49806	hooker
1828	fifteen
436	years
7820	aided
6681	stores
532	knowledge
1447	excellent
6701	judgment
2474	origin
1330	species
12842	conceivable
192	naturalist
11122	reflecting
4187	mutual
43973	affinities
21627	organic
1021	beings
67161	embryological
501	relations
2426	geographical
2622	distribution
6220	geological
1607	succession
1651	facts
1070	come
6630	conclusion
1330	species
3421	independently
2826	created
3199	descended
2149	varieties
1330	species
6630	conclusion
6671	founded
23156	unsatisfactory
807	shown
602	innumerable
1330	species
4044	inhabiting
535	world
6124	modified
2348	acquire
6148	perfection
679	structure
67162	coadaptation
8711	justly
40182	excites
6276	admiration
415	naturalists
4865	continually
1367	refer
2146	external
539	conditions
4168	climate
966	food
197	etc
3893	cause
2174	variation
5045	limited
2096	sense
2995	hereafter
486	see
15074	preposterous
7016	attribute
2116	mere
2146	external
539	conditions
679	structure
3282	instance
404	woodpecker
1346	feet
3136	tail
318	beak
1077	tongue
5850	admirably
4233	adapted
2104	catch
1699	insects
3417	bark
1377	trees
2331	case
54764	mistletoe
1181	draws
1170	nourishment
1377	trees
620	seeds
18230	transported
294	birds
588	flowers
929	separate
4342	sexes
3126	absolutely
1551	requiring
7200	agency
1699	insects
2739	bring
5829	pollen
939	flower
3209	equally
15074	preposterous
1089	account
679	structure
6493	parasite
501	relations
2115	distinct
21627	organic
1021	beings
17321	effects
2146	external
539	conditions
479	habit
7037	volition
621	plant
834	therefore
2041	highest
795	importance
5062	gain
431	clear
33666	insight
553	means
973	modification
67162	coadaptation
7277	commencement
474	observations
2098	seemed
855	probable
805	careful
470	study
2017	domesticated
293	animals
3435	cultivated
447	plants
2160	offer
2717	chance
1422	making
7734	obscure
3379	problem
8779	disappointed
34060	perplexing
2643	cases
1454	invariably
670	found
532	knowledge
8027	imperfect
2174	variation
2345	domestication
6582	afforded
11487	safest
6920	clue
3257	venture
9491	express
10687	conviction
463	value
440	studies
1561	commonly
6445	neglected
415	naturalists
8312	considerations
6765	devote
2851	chapter
19719	abstract
2174	variation
2345	domestication
659	thus
486	see
2719	amount
33003	hereditary
973	modification
3209	equally
486	see
790	great
1627	power
303	man
13452	accumulating
6819	selection
3697	successive
972	slight
6816	variations
587	pass
2122	variability
1330	species
1032	state
439	nature
7441	unfortunately
7373	compelled
3473	treat
427	subject
5010	briefly
5947	treated
1913	properly
1638	giving
65307	catalogues
1651	facts
3358	enabled
11962	discuss
2364	circumstances
14207	favourable
2174	variation
2851	chapter
3075	struggle
844	existence
21627	organic
1021	beings
535	world
6009	inevitably
5322	follows
6121	geometrical
41837	ratio
2764	increase
2092	considered
14371	doctrine
67163	malthus
933	applied
67	animal
689	vegetable
27010	kingdoms
2142	individuals
1330	species
1140	born
3333	possibly
2732	survive
5341	consequently
1365	frequently
37848	recurring
3075	struggle
844	existence
5322	follows
847	vary
1495	slightly
1296	manner
12100	profitable
6319	complex
6422	varying
539	conditions
74	life
2717	chance
8721	surviving
659	thus
1683	naturally
285	selected
2341	strong
1151	principle
1200	inheritance
285	selected
4463	variety
5421	tend
18389	propagate
6124	modified
838	form
998	fundamental
427	subject
4	natural
6819	selection
5947	treated
1758	length
5956	fourth
2851	chapter
486	see
4	natural
6819	selection
6009	inevitably
6065	causes
20063	extinction
7729	improved
2162	forms
74	life
1013	leads
661	called
46257	divergence
35	character
2851	chapter
11962	discuss
6319	complex
664	known
509	laws
2174	variation
3343	succeeding
8311	chapters
2745	apparent
15170	gravest
1276	difficulties
9553	accepting
6055	theory
1510	given
7117	namely
1276	difficulties
57315	transitions
515	simple
515	simple
1412	organ
1086	changed
1058	perfected
2089	highly
946	developed
4955	elaborately
4580	constructed
1412	organ
5040	secondly
427	subject
1174	instinct
6194	mental
508	powers
293	animals
5042	thirdly
67150	hybridism
67164	infertility
1330	species
22934	fertility
2149	varieties
67165	intercrossed
5044	fourthly
37840	imperfection
6220	geological
5402	record
2851	chapter
5191	consider
6220	geological
1607	succession
21627	organic
1021	beings
607	time
17027	twelfth
6284	thirteenth
2426	geographical
2622	distribution
1057	space
11936	fourteenth
7167	classification
4187	mutual
43973	affinities
3331	mature
46159	embryonic
725	condition
2851	chapter
13	give
5194	brief
48849	recapitulation
558	work
14524	concluding
2086	remarks
1190	feel
1674	surprise
2194	remaining
13710	unexplained
6812	regard
2474	origin
1330	species
2149	varieties
473	make
384	due
7056	allowance
7379	profound
9899	ignorance
6812	regard
4187	mutual
501	relations
1021	beings
1653	live
2177	explain
876	why
1330	species
4473	ranges
2585	widely
2552	numerous
876	why
797	allied
1330	species
1005	narrow
443	range
1875	rare
501	relations
2041	highest
795	importance
4283	determine
5119	welfare
5363	believe
2984	future
3052	success
973	modification
8760	inhabitant
535	world
420	know
4187	mutual
501	relations
602	innumerable
6224	inhabitants
535	world
6220	geological
41334	epochs
5	history
525	remains
7734	obscure
656	remain
7734	obscure
9685	entertain
3896	doubt
12242	deliberate
470	study
52149	dispassionate
6701	judgment
1822	capable
4991	view
415	naturalists
4461	recently
9656	entertained
2647	formerly
9656	entertained
7117	namely
1330	species
3421	independently
2826	created
21811	erroneous
2536	fully
8773	convinced
1330	species
35088	immutable
5238	belonging
661	called
6233	genera
67166	lineal
8275	descendants
1538	generally
3469	extinct
1330	species
1296	manner
10464	acknowledged
2149	varieties
1330	species
8275	descendants
1330	species
6034	furthermore
8773	convinced
4	natural
6819	selection
6993	exclusive
553	means
973	modification
2851	chapter
2174	variation
2345	domestication
6065	causes
2122	variability
17321	effects
479	habit
7	use
10544	disuse
748	parts
67141	correlated
2174	variation
1200	inheritance
35	character
2897	domestic
2149	varieties
2125	difficulty
3561	distinguishing
2149	varieties
1330	species
2474	origin
2897	domestic
2149	varieties
1330	species
2897	domestic
4324	pigeons
2147	differences
2474	origin
7546	principles
6819	selection
41590	anciently
1189	followed
17321	effects
3964	methodical
5479	unconscious
6819	selection
1191	unknown
2474	origin
2897	domestic
26943	productions
2364	circumstances
14207	favourable
303	man
1627	power
6819	selection
6065	causes
2122	variability
6049	compare
2142	individuals
4463	variety
7271	sub
4463	variety
8388	older
3435	cultivated
447	plants
293	animals
2438	points
12805	strikes
1538	generally
994	differ
2142	individuals
1330	species
4463	variety
1032	state
439	nature
9885	reflect
1434	vast
7466	diversity
447	plants
293	animals
3435	cultivated
2137	varied
5050	ages
21201	climates
5353	treatment
7096	driven
4410	conclude
790	great
2122	variability
384	due
2897	domestic
26943	productions
1516	raised
539	conditions
74	life
3977	uniform
1026	somewhat
2955	parent
1330	species
4079	exposed
439	nature
2219	probability
4991	view
44406	propounded
341	andrew
19788	knight
2122	variability
1993	partly
3553	connected
3702	excess
966	food
1193	seems
431	clear
21627	organic
1021	beings
4079	exposed
2811	generations
539	conditions
3893	cause
790	great
2719	amount
2174	variation
12920	organisation
4164	begun
847	vary
1538	generally
2806	continues
6422	varying
2811	generations
2331	case
5402	record
925	variable
22183	organism
34096	ceasing
847	vary
17131	cultivation
2646	oldest
3435	cultivated
447	plants
603	wheat
12343	yield
2149	varieties
2646	oldest
2017	domesticated
293	animals
1822	capable
3790	rapid
11299	improvement
973	modification
1172	able
5210	judge
2690	attending
427	subject
539	conditions
74	life
860	appear
1178	act
446	ways
12920	organisation
748	parts
4646	affecting
61494	reproductive
4412	system
968	respect
1304	direct
469	action
1969	bear
2443	mind
2331	case
200	professor
29381	weismann
2359	lately
455	insisted
67167	incidently
807	shown
558	work
2174	variation
2345	domestication
6977	factors
7117	namely
439	nature
22183	organism
439	nature
539	conditions
116	former
1193	seems
813	nearly
706	similar
6816	variations
5952	arise
5210	judge
8347	dissimilar
539	conditions
418	hand
8347	dissimilar
6816	variations
5952	arise
539	conditions
860	appear
813	nearly
3977	uniform
17321	effects
1814	offspring
893	definite
893	definite
2092	considered
893	definite
813	nearly
1814	offspring
2142	individuals
4079	exposed
539	conditions
2811	generations
6124	modified
1296	manner
2232	extremely
1242	difficult
1070	come
6630	conclusion
6812	regard
1341	extent
952	changes
659	thus
20875	definitely
3046	induced
3896	doubt
972	slight
952	changes
885	size
2719	amount
966	food
9916	colour
439	nature
966	food
4056	thickness
2298	skin
1821	hair
4168	climate
197	etc
23231	endless
6816	variations
486	see
4289	plumage
4325	fowls
2253	efficient
3893	cause
3893	cause
1178	act
4577	uniformly
951	series
2811	generations
2142	individuals
6124	modified
1296	manner
1651	facts
6319	complex
6094	extraordinary
4729	growths
67168	variably
5123	follow
45318	insertion
673	minute
1155	drop
6516	poison
24805	gall
5922	producing
1083	insect
2201	shows
1634	singular
8343	modifications
1363	result
2331	case
447	plants
806	chemical
889	change
439	nature
21175	sap
893	definite
2122	variability
733	common
1363	result
1086	changed
539	conditions
893	definite
2122	variability
2100	played
839	part
7639	formation
2897	domestic
2117	races
486	see
893	definite
2122	variability
23231	endless
972	slight
1197	peculiarities
877	distinguish
2142	individuals
1330	species
7523	accounted
1200	inheritance
2955	parent
4174	remote
8288	ancestor
800	strongly
437	marked
2147	differences
1744	occasionally
860	appear
21	young
13720	litter
18300	seedlings
732	seed
46013	capsule
3213	intervals
607	time
2771	millions
2142	individuals
3500	reared
1093	country
2818	fed
813	nearly
966	food
28622	deviations
679	structure
800	strongly
10894	pronounced
3723	deserve
661	called
56385	monstrosities
5952	arise
56385	monstrosities
942	separated
2115	distinct
3915	line
50077	slighter
6816	variations
952	changes
679	structure
2232	extremely
972	slight
800	strongly
437	marked
860	appear
2142	individuals
2092	considered
893	definite
17321	effects
539	conditions
74	life
2143	individual
22183	organism
813	nearly
1296	manner
13163	chill
17321	effects
276	men
893	definite
1296	manner
1123	according
1032	state
739	body
1948	constitution
6871	causing
19585	coughs
19586	colds
22383	rheumatism
7533	inflammation
6	various
1589	organs
968	respect
661	called
1304	direct
469	action
1086	changed
539	conditions
7117	namely
61494	reproductive
4412	system
5522	affected
8474	infer
2122	variability
659	thus
3046	induced
1993	partly
714	fact
4412	system
2232	extremely
3529	sensitive
889	change
539	conditions
1993	partly
2460	similarity
67169	kolreuter
1025	others
6129	remarked
2122	variability
5322	follows
5793	crossing
2115	distinct
1330	species
2202	observed
447	plants
293	animals
3500	reared
2302	unnatural
539	conditions
1651	facts
2751	clearly
1725	show
1540	eminently
22422	susceptible
61494	reproductive
4412	system
972	slight
952	changes
4147	surrounding
539	conditions
914	easy
2705	tame
67	animal
530	things
1242	difficult
919	get
4602	breed
2526	freely
7465	confinement
1183	male
1688	female
8408	unite
293	animals
4602	breed
984	kept
2000	free
1032	state
2268	native
1093	country
1538	generally
2355	erroneously
7011	attributed
60852	vitiated
3187	instincts
3435	cultivated
447	plants
1566	display
6068	utmost
12111	vigour
1373	rarely
732	seed
2643	cases
2396	discovered
6280	trifling
889	change
635	water
2917	particular
2772	period
298	growth
4283	determine
621	plant
887	produce
620	seeds
13	give
6559	details
760	collected
3468	elsewhere
2437	published
1918	curious
427	subject
1725	show
1634	singular
509	laws
4283	determine
19069	reproduction
293	animals
7465	confinement
4906	mention
2343	carnivorous
293	animals
3899	tropics
4602	breed
1093	country
1116	pretty
2526	freely
7465	confinement
4318	exception
63648	plantigrades
1969	bear
1161	family
2322	seldom
887	produce
21	young
2343	carnivorous
294	birds
4982	rarest
4318	exception
2709	hardly
1090	lay
7902	fertile
753	eggs
18887	exotic
447	plants
5829	pollen
10231	utterly
12779	worthless
725	condition
32691	sterile
17449	hybrids
418	hand
486	see
2017	domesticated
293	animals
447	plants
2193	weak
3704	sickly
3338	breeding
2526	freely
7465	confinement
418	hand
486	see
2142	individuals
976	taken
21	young
1032	state
439	nature
1323	perfectly
7471	tamed
1360	lived
3816	healthy
13	give
2552	numerous
2746	instances
61494	reproductive
4412	system
15980	seriously
5522	affected
6460	unperceived
6065	causes
2605	fail
1178	act
4220	surprised
4412	system
1178	act
7465	confinement
5135	acting
8640	irregularly
5922	producing
1814	offspring
1026	somewhat
1203	parents
2976	add
21525	organisms
4602	breed
2526	freely
2302	unnatural
539	conditions
3282	instance
2828	rabbits
16891	ferrets
984	kept
10753	hutches
2301	showing
61494	reproductive
1589	organs
941	easily
5522	affected
293	animals
447	plants
3609	withstand
2345	domestication
17131	cultivation
847	vary
1495	slightly
2709	hardly
1032	state
439	nature
415	naturalists
6896	maintained
6816	variations
3553	connected
1178	act
8601	sexual
19069	reproduction
1438	certainly
18323	error
1510	given
558	work
245	list
36958	sporting
447	plants
661	called
16982	gardeners
447	plants
1099	suddenly
40	produced
2168	single
46214	bud
2585	widely
35	character
3600	buds
621	plant
46214	bud
6816	variations
7312	named
6821	propagated
54561	grafts
5366	offsets
197	etc
732	seed
1798	occur
1373	rarely
439	nature
1875	rare
7063	culture
2168	single
46214	bud
2714	thousands
40	produced
2658	year
2658	year
492	tree
3977	uniform
539	conditions
664	known
1099	suddenly
1563	assume
35	character
3600	buds
2115	distinct
1377	trees
1832	growing
539	conditions
7784	yielded
813	nearly
4463	variety
3282	instance
3600	buds
5487	peach
1377	trees
5922	producing
67170	nectarines
3600	buds
733	common
12103	roses
5922	producing
4122	moss
12103	roses
2751	clearly
486	see
439	nature
539	conditions
23757	subordinate
795	importance
2675	comparison
439	nature
22183	organism
4501	determining
2917	particular
838	form
2174	variation
795	importance
439	nature
14262	spark
119	mass
28520	combustible
428	matter
49261	ignited
4501	determining
439	nature
12563	flames
17321	effects
479	habit
7	use
10544	disuse
748	parts
67141	correlated
2174	variation
1200	inheritance
1086	changed
1240	habits
887	produce
6959	inherited
5087	effect
2772	period
17619	flowering
447	plants
18230	transported
4168	climate
293	animals
5105	increased
7	use
10544	disuse
748	parts
437	marked
5076	influence
659	thus
540	find
2897	domestic
5578	duck
778	bones
3875	wing
7301	weigh
778	bones
1481	leg
537	proportion
5697	skeleton
778	bones
343	wild
5578	duck
889	change
1218	safely
7011	attributed
2897	domestic
5578	duck
1571	flying
1513	walking
343	wild
1203	parents
790	great
6959	inherited
955	development
67171	udders
2831	cows
5671	goats
7142	countries
1565	where
1562	habitually
67172	milked
2675	comparison
1589	organs
7142	countries
3282	instance
17321	effects
7	use
2897	domestic
293	animals
7312	named
1093	country
4749	drooping
890	ears
4991	view
1263	suggested
4749	drooping
384	due
10544	disuse
2132	muscles
613	ear
293	animals
2322	seldom
4677	alarmed
1193	seems
855	probable
509	laws
23726	regulate
2174	variation
9950	dimly
417	seen
2995	hereafter
5010	briefly
11363	discussed
8411	allude
661	called
67141	correlated
2174	variation
952	changes
17631	embryo
3639	larva
42224	entail
952	changes
3331	mature
67	animal
56385	monstrosities
67145	correlations
2115	distinct
748	parts
1918	curious
2746	instances
1510	given
40812	isidore
56926	geoffroy
6536	st
37528	hilaire
790	great
558	work
427	subject
58772	breeders
5363	believe
1533	limbs
891	accompanied
7797	elongated
747	head
2746	instances
67173	correlation
4511	whimsical
659	thus
8329	cats
781	entirely
411	white
4422	blue
1740	eyes
1538	generally
11778	deaf
2359	lately
1912	stated
390	mr
25470	tait
5200	confined
1806	males
9916	colour
32094	constitutional
1197	peculiarities
1824	go
841	remarkable
2643	cases
1510	given
293	animals
447	plants
1651	facts
760	collected
67174	heusinger
851	appears
411	white
3885	sheep
9678	pigs
1692	injured
447	plants
2516	dark
3288	coloured
2142	individuals
1157	escape
200	professor
25455	wyman
4461	recently
2619	communicated
1205	good
288	illustration
714	fact
7616	asking
7765	farmers
3834	virginia
9678	pigs
410	black
2638	informed
9678	pigs
5724	ate
15361	paint
611	root
67175	lachnanthes
3288	coloured
778	bones
16144	pink
4377	caused
9062	hoofs
410	black
2149	varieties
1155	drop
5356	crackers
3834	virginia
49855	squatters
901	added
7287	select
410	black
2376	members
13720	litter
1494	raising
1205	good
2717	chance
7446	hairless
5673	dogs
8027	imperfect
1225	teeth
10535	haired
637	coarse
10535	haired
293	animals
4583	apt
1709	asserted
16654	horns
4324	pigeons
5166	feathered
1346	feet
2298	skin
934	outer
1992	toes
4324	pigeons
2883	beaks
1346	feet
2883	beaks
1346	feet
2289	hence
303	man
478	goes
421	selecting
659	thus
22258	augmenting
2939	peculiarity
1438	certainly
22599	modify
37005	unintentionally
748	parts
679	structure
3357	owing
1008	mysterious
509	laws
67173	correlation
5065	results
6	various
1191	unknown
9950	dimly
6343	understood
509	laws
2174	variation
12240	infinitely
6319	complex
8525	diversified
4727	worth
1214	carefully
470	study
32403	treatises
359	old
3435	cultivated
447	plants
7987	hyacinth
8407	potato
53273	dahlia
197	etc
3166	surprising
382	note
23231	endless
2438	points
679	structure
1948	constitution
2149	varieties
7271	sub
2149	varieties
994	differ
1495	slightly
12920	organisation
1193	seems
644	become
41336	plastic
53603	departs
972	slight
2069	degree
2820	parental
2713	type
2174	variation
6959	inherited
17086	unimportant
2554	number
7466	diversity
67176	inheritable
28622	deviations
679	structure
972	slight
3267	considerable
7045	physiological
795	importance
23231	endless
1355	dr
12157	prosper
40327	lucas
18410	treatise
101	volumes
7298	fullest
427	subject
67177	breeder
11425	doubts
2341	strong
2424	tendency
1200	inheritance
2865	produces
998	fundamental
5542	belief
11425	doubts
2694	thrown
1151	principle
22221	theoretical
7305	writers
40143	deviation
679	structure
851	appears
486	see
1194	father
505	child
490	tell
384	due
3893	cause
5751	acted
2142	individuals
2022	apparently
4079	exposed
539	conditions
1875	rare
40143	deviation
384	due
6094	extraordinary
8609	combination
2364	circumstances
851	appears
2955	parent
548	say
2756	million
2142	individuals
5642	reappears
505	child
2116	mere
14371	doctrine
1084	chances
39319	compels
7016	attribute
33574	reappearance
1200	inheritance
1404	heard
2643	cases
67178	albinism
52232	prickly
2298	skin
2530	hairy
718	bodies
197	etc
4475	appearing
2376	members
1161	family
305	strange
1875	rare
28622	deviations
679	structure
3138	truly
6959	inherited
305	strange
20187	commoner
28622	deviations
2526	freely
1301	admitted
67176	inheritable
1244	correct
9428	viewing
427	subject
1851	look
1200	inheritance
35	character
426	rule
8682	non
1200	inheritance
34875	anomaly
509	laws
8726	governing
1200	inheritance
839	part
1191	unknown
548	say
876	why
2939	peculiarity
2142	individuals
1330	species
1330	species
6959	inherited
876	why
505	child
67179	reverts
7182	characteristics
13948	grandfather
27441	grandmother
4174	remote
8288	ancestor
876	why
2939	peculiarity
7954	transmitted
2553	sex
4342	sexes
2553	sex
1561	commonly
842	exclusively
2553	sex
714	fact
795	importance
1197	peculiarities
4475	appearing
1806	males
2897	domestic
5047	breeds
7954	transmitted
842	exclusively
731	greater
2069	degree
1806	males
426	rule
1260	think
12254	trusted
2772	period
74	life
2939	peculiarity
851	appears
580	tends
14156	reappear
1814	offspring
7029	corresponding
1829	age
1297	earlier
2643	cases
659	thus
6959	inherited
1197	peculiarities
16654	horns
4989	cattle
860	appear
1814	offspring
813	nearly
3331	mature
1197	peculiarities
3637	silk
963	worm
664	known
860	appear
7029	corresponding
3617	caterpillar
3509	cocoon
2798	stage
33003	hereditary
5304	diseases
1651	facts
473	make
5363	believe
426	rule
442	wider
6069	extension
2745	apparent
1765	reason
876	why
2939	peculiarity
860	appear
2917	particular
1829	age
5421	tend
860	appear
1814	offspring
2772	period
886	appeared
2955	parent
5363	believe
426	rule
2041	highest
795	importance
13181	explaining
509	laws
67157	embryology
2086	remarks
954	course
5200	confined
1615	appearance
2939	peculiarity
5600	primary
3893	cause
5751	acted
21393	ovules
1183	male
452	element
813	nearly
1296	manner
5105	increased
1758	length
16654	horns
1814	offspring
37208	horned
356	cow
37208	horned
10423	bull
4475	appearing
1927	late
74	life
2751	clearly
384	due
1183	male
452	element
8449	alluded
427	subject
3205	reversion
1367	refer
6985	statement
413	made
415	naturalists
7117	namely
2897	domestic
2149	varieties
1476	run
343	wild
945	gradually
1454	invariably
33023	revert
35	character
42913	aboriginal
21025	stocks
2289	hence
8437	argued
22538	deductions
1893	drawn
2897	domestic
2117	races
1330	species
1032	state
439	nature
4394	vain
39925	endeavoured
4123	discover
22373	decisive
1651	facts
6985	statement
1038	boldly
413	made
790	great
2125	difficulty
28492	proving
462	truth
1218	safely
4410	conclude
800	strongly
437	marked
2897	domestic
2149	varieties
3333	possibly
1653	live
343	wild
1032	state
2643	cases
420	know
42913	aboriginal
3020	stock
490	tell
813	nearly
947	perfect
3205	reversion
4891	ensued
485	necessary
534	order
4971	prevent
17321	effects
67060	intercrossing
2168	single
4463	variety
2295	turned
1654	loose
2149	varieties
1438	certainly
1744	occasionally
33023	revert
7165	characters
10905	ancestral
2162	forms
1193	seems
5622	improbable
2415	succeed
59140	naturalising
18234	cultivate
2811	generations
2117	races
3282	instance
40077	cabbage
3255	poor
605	soil
2331	case
5087	effect
7011	attributed
893	definite
469	action
3255	poor
605	soil
1341	extent
716	wholly
33023	revert
343	wild
42913	aboriginal
3020	stock
4530	experiment
2415	succeed
790	great
795	importance
3915	line
2247	argument
4530	experiment
539	conditions
74	life
1086	changed
807	shown
2897	domestic
2149	varieties
1617	manifested
2341	strong
2424	tendency
3205	reversion
12634	lose
1601	acquired
7165	characters
984	kept
539	conditions
984	kept
3267	considerable
739	body
2000	free
67060	intercrossing
5066	check
13888	blending
972	slight
28622	deviations
679	structure
2331	case
228	grant
14549	deduce
2897	domestic
2149	varieties
6812	regard
1330	species
4249	shadow
1238	evidence
9755	favour
4991	view
5157	assert
4602	breed
4651	cart
3093	race
2741	horses
37208	horned
4989	cattle
5176	poultry
6	various
5047	breeds
64512	esculent
21989	vegetables
23023	unlimited
2554	number
2811	generations
12744	opposed
1364	experience
35	character
2897	domestic
2149	varieties
2125	difficulty
3561	distinguishing
2149	varieties
1330	species
2474	origin
2897	domestic
2149	varieties
1330	species
1851	look
33003	hereditary
2149	varieties
2117	races
2897	domestic
293	animals
447	plants
6049	compare
796	closely
797	allied
1330	species
1538	generally
3044	perceive
2897	domestic
3093	race
6129	remarked
10563	uniformity
35	character
1330	species
2897	domestic
2117	races
1026	somewhat
11161	monstrous
35	character
2725	mean
6195	differing
1330	species
2434	genus
6280	trifling
845	respects
994	differ
1176	extreme
2069	degree
839	part
894	compared
1731	especially
894	compared
1330	species
439	nature
4424	nearest
797	allied
3216	exceptions
947	perfect
22934	fertility
2149	varieties
2356	crossed
427	subject
2995	hereafter
11363	discussed
2897	domestic
2117	races
1330	species
994	differ
1296	manner
796	closely
797	allied
1330	species
2434	genus
1032	state
439	nature
2147	differences
2643	cases
2069	degree
1301	admitted
2897	domestic
2117	races
293	animals
447	plants
23458	ranked
6827	competent
13842	judges
8275	descendants
67180	aboriginally
2115	distinct
1330	species
6827	competent
13842	judges
2116	mere
2149	varieties
437	marked
996	distinction
5061	existed
2897	domestic
3093	race
1330	species
3597	source
3896	doubt
14203	perpetually
8710	recur
1912	stated
2897	domestic
2117	races
994	differ
7165	characters
18590	generic
463	value
807	shown
6985	statement
1244	correct
415	naturalists
994	differ
4501	determining
7165	characters
18590	generic
463	value
23536	valuations
21597	empirical
8494	explained
6233	genera
11597	originate
439	nature
417	seen
8353	expect
540	find
18590	generic
2719	amount
2178	difference
2017	domesticated
2117	races
1667	attempting
3119	estimate
2719	amount
21691	structural
2178	difference
797	allied
2897	domestic
2117	races
12149	involved
3896	doubt
10159	knowing
3199	descended
2955	parent
1330	species
223	point
622	cleared
429	interesting
3282	instance
807	shown
65262	greyhound
55637	bloodhound
16854	terrier
64339	spaniel
10423	bull
2093	dog
420	know
18389	propagate
958	kind
3138	truly
1814	offspring
2168	single
1330	species
1651	facts
790	great
1973	weight
1422	making
3896	doubt
35928	immutability
796	closely
797	allied
4	natural
1330	species
3282	instance
4607	foxes
4044	inhabiting
2895	quarters
535	world
5363	believe
4131	presently
486	see
2719	amount
2178	difference
5047	breeds
2093	dog
40	produced
2345	domestication
5363	believe
839	part
2178	difference
384	due
3199	descended
2115	distinct
1330	species
2331	case
800	strongly
437	marked
2117	races
2017	domesticated
1330	species
43890	presumptive
2341	strong
1238	evidence
3199	descended
2168	single
343	wild
3020	stock
2283	assumed
303	man
4186	chosen
2345	domestication
293	animals
447	plants
6094	extraordinary
21715	inherent
2424	tendency
847	vary
3609	withstand
19760	diverse
21201	climates
2226	dispute
24443	capacities
901	added
4596	largely
463	value
2017	domesticated
26943	productions
2271	savage
3333	possibly
420	know
7471	tamed
67	animal
847	vary
3343	succeeding
2811	generations
10074	endure
21201	climates
2122	variability
8320	ass
7840	goose
1627	power
12022	endurance
1004	warmth
44807	reindeer
634	cold
733	common
7069	camel
5183	prevented
2345	domestication
3896	doubt
293	animals
447	plants
2332	equal
2554	number
2017	domesticated
26943	productions
5238	belonging
3209	equally
19760	diverse
5039	classes
7142	countries
976	taken
1032	state
439	nature
413	made
4602	breed
2332	equal
2554	number
2811	generations
2345	domestication
1902	average
847	vary
4596	largely
2955	parent
1330	species
1138	existing
2017	domesticated
26943	productions
2137	varied
2331	case
41590	anciently
2017	domesticated
293	animals
447	plants
1070	come
893	definite
6630	conclusion
3199	descended
343	wild
1330	species
2247	argument
3180	mainly
13341	relied
5363	believe
41493	multiple
2474	origin
2897	domestic
293	animals
540	find
4347	ancient
884	times
19981	monuments
17393	egypt
4272	lake
2353	habitations
3306	switzerland
7466	diversity
5047	breeds
4347	ancient
5047	breeds
796	closely
1957	resemble
997	identical
1138	existing
1650	throws
2505	backward
5	history
58249	civilisation
2201	shows
293	animals
2017	domesticated
1297	earlier
2772	period
10150	hitherto
4480	supposed
4272	lake
6224	inhabitants
3306	switzerland
3435	cultivated
2013	kinds
603	wheat
15226	barley
18816	pea
19199	poppy
2387	oil
4808	flax
1393	possessed
2017	domesticated
293	animals
3238	carried
663	commerce
6786	nations
2751	clearly
2201	shows
29607	heer
6129	remarked
1829	age
3464	progressed
2173	considerably
58249	civilisation
5343	implies
649	continued
5254	previous
2772	period
2738	advanced
58249	civilisation
2017	domesticated
293	animals
984	kept
3494	tribes
3362	districts
2137	varied
1510	given
949	rise
2115	distinct
2117	races
6689	discovery
720	flint
9870	tools
7670	superficial
41338	formations
748	parts
535	world
43329	geologists
5363	believe
13237	barbarian
276	men
5061	existed
19382	enormously
4174	remote
2772	period
420	know
967	day
2709	hardly
2377	tribe
10878	barbarous
2017	domesticated
2093	dog
2474	origin
2897	domestic
293	animals
1059	forever
656	remain
11709	vague
1032	state
3035	looking
2897	domestic
5673	dogs
535	world
3132	laborious
9394	collection
664	known
1651	facts
1070	come
6630	conclusion
343	wild
1330	species
65292	canidae
7471	tamed
1103	blood
2643	cases
10618	mingled
1104	flows
7529	veins
2897	domestic
5047	breeds
6812	regard
3885	sheep
5671	goats
838	form
2161	decided
6702	opinion
1651	facts
2619	communicated
390	mr
32328	blyth
1240	habits
1392	voice
1948	constitution
679	structure
8562	humped
3228	indian
4989	cattle
3199	descended
42913	aboriginal
3020	stock
1305	european
4989	cattle
6827	competent
13842	judges
5363	believe
2330	latter
343	wild
18252	progenitors
3723	deserve
661	called
1330	species
6630	conclusion
7817	specific
996	distinction
8562	humped
733	common
4989	cattle
815	indeed
4391	looked
2237	established
4417	admirable
5571	researches
200	professor
67181	rutimeyer
968	respect
2741	horses
8492	reasons
13	give
7948	doubtfully
2547	inclined
5363	believe
6360	opposition
17166	authors
2117	races
2937	belong
1330	species
984	kept
813	nearly
5047	breeds
734	fowl
865	alive
6932	bred
2356	crossed
675	examined
48451	skeletons
851	appears
8275	descendants
343	wild
3228	indian
734	fowl
67182	gallus
67183	bankiva
6630	conclusion
390	mr
32328	blyth
1025	others
3989	studied
321	bird
7284	india
6812	regard
4373	ducks
2828	rabbits
5047	breeds
994	differ
1238	evidence
431	clear
3199	descended
733	common
5578	duck
343	wild
8334	rabbit
14371	doctrine
2474	origin
2897	domestic
2117	races
42913	aboriginal
21025	stocks
3238	carried
2873	absurd
1176	extreme
17166	authors
5363	believe
3093	race
5047	breeds
1506	let
19754	distinctive
7165	characters
972	slight
343	wild
20205	prototype
2243	rate
5061	existed
4543	score
1330	species
343	wild
4989	cattle
3885	sheep
5671	goats
7317	europe
790	great
7473	britain
26	author
7826	believes
2647	formerly
5061	existed
6298	eleven
343	wild
1330	species
3885	sheep
1567	peculiar
790	great
7473	britain
1969	bear
2443	mind
7473	britain
1567	peculiar
66181	mammal
3304	france
2115	distinct
17407	germany
7316	hungary
20460	spain
197	etc
27010	kingdoms
4110	possesses
1567	peculiar
5047	breeds
4989	cattle
3885	sheep
197	etc
5314	admit
2897	domestic
5047	breeds
1299	originated
7317	europe
1761	whence
835	derived
7284	india
2331	case
5047	breeds
2897	domestic
2093	dog
535	world
5314	admit
3199	descended
343	wild
1330	species
1560	doubted
2032	immense
2719	amount
6959	inherited
2174	variation
5363	believe
293	animals
796	closely
1398	resembling
7507	italian
65262	greyhound
55637	bloodhound
10423	bull
2093	dog
41371	pug
2093	dog
67184	blenheim
64339	spaniel
197	etc
343	wild
65292	canidae
5061	existed
1032	state
439	nature
2613	loosely
867	said
2117	races
5673	dogs
40	produced
5793	crossing
42913	aboriginal
1330	species
5793	crossing
919	get
2162	forms
2069	degree
2196	intermediate
1203	parents
1089	account
2897	domestic
2117	races
648	process
5314	admit
116	former
844	existence
1176	extreme
2162	forms
7507	italian
65262	greyhound
55637	bloodhound
10423	bull
2093	dog
197	etc
343	wild
1032	state
932	moreover
9485	possibility
1422	making
2115	distinct
2117	races
5793	crossing
1414	greatly
6684	exaggerated
2643	cases
5402	record
2301	showing
3093	race
6124	modified
2255	occasional
8649	crosses
7820	aided
805	careful
6819	selection
2142	individuals
5948	desired
35	character
705	obtain
3093	race
2196	intermediate
2115	distinct
2117	races
1242	difficult
322	sir
67185	sebright
10263	expressly
23144	experimented
1661	object
6351	failed
1814	offspring
6474	cross
719	pure
5047	breeds
1500	tolerably
670	found
4324	pigeons
3977	uniform
35	character
481	thing
1193	seems
515	simple
67153	mongrels
2356	crossed
2811	generations
2709	hardly
2154	alike
2125	difficulty
3142	task
762	becomes
2346	manifest
5047	breeds
2897	domestic
2869	pigeon
2147	differences
2474	origin
1321	believing
470	study
2846	group
6365	deliberation
976	taken
2897	domestic
4324	pigeons
984	kept
4602	breed
13227	purchase
705	obtain
6656	kindly
9629	favoured
4967	skins
2895	quarters
535	world
1731	especially
120	hon
25501	elliot
7284	india
120	hon
17980	murray
17373	persia
32403	treatises
7152	languages
2437	published
4324	pigeons
3267	considerable
13969	antiquity
856	associated
6558	eminent
64576	fanciers
7578	permitted
930	join
173	london
2869	pigeon
16986	clubs
7466	diversity
5047	breeds
2312	astonishing
6049	compare
16827	carrier
8093	faced
7262	tumbler
486	see
327	wonderful
2178	difference
2883	beaks
36074	entailing
7029	corresponding
2147	differences
2181	skulls
16827	carrier
1731	especially
1183	male
321	bird
841	remarkable
327	wonderful
955	development
67186	carunculated
2298	skin
747	head
891	accompanied
1414	greatly
7797	elongated
13131	eyelids
2146	external
37881	orifices
2693	nostrils
1670	wide
16773	gape
749	mouth
8093	faced
7262	tumbler
318	beak
5981	outline
19127	finch
733	common
7262	tumbler
1634	singular
6959	inherited
479	habit
1571	flying
790	great
1347	height
2991	compact
5593	flock
10062	tumbling
821	air
747	head
9084	heels
66165	runt
321	bird
790	great
885	size
4736	massive
318	beak
1346	feet
7271	sub
5047	breeds
67187	runts
9093	necks
1025	others
742	wings
1223	tails
1025	others
5710	singularly
1223	tails
26449	barb
797	allied
16827	carrier
2785	instead
318	beak
995	broad
67188	pouter
7797	elongated
739	body
742	wings
743	legs
19382	enormously
946	developed
5112	crop
33398	glories
12180	inflating
22110	excite
8460	astonishment
8930	laughter
67189	turbit
4045	conical
318	beak
3915	line
5889	reversed
741	feathers
2960	breast
479	habit
4865	continually
3663	expanding
1495	slightly
1040	upper
839	part
66219	oesophagus
14369	jacobin
741	feathers
5889	reversed
745	neck
838	form
7556	hood
3495	proportionally
885	size
7797	elongated
3875	wing
3136	tail
741	feathers
46384	trumpeter
51637	laugher
5360	names
9491	express
3458	utter
58067	coo
5047	breeds
67190	fantail
2358	thirty
409	forty
3136	tail
741	feathers
2785	instead
1609	twelve
5544	fourteen
21725	normal
2554	number
2376	members
790	great
2869	pigeon
1161	family
741	feathers
984	kept
1954	expanded
3238	carried
1444	erect
1205	good
294	birds
747	head
3136	tail
503	touch
2387	oil
60264	gland
67191	aborted
2115	distinct
5047	breeds
9427	specified
48451	skeletons
5047	breeds
955	development
778	bones
401	face
1758	length
2796	breadth
41809	curvature
8723	differs
19382	enormously
830	shape
2796	breadth
1758	length
42717	ramus
1879	lower
2223	jaw
2172	varies
2089	highly
841	remarkable
1296	manner
7946	caudal
61522	sacral
65018	vertebrae
847	vary
2554	number
2554	number
6390	ribs
730	relative
2796	breadth
2287	presence
4003	processes
885	size
830	shape
7393	apertures
60878	sternum
2089	highly
925	variable
2069	degree
46257	divergence
730	relative
885	size
1226	arms
67192	furcula
22528	proportional
2141	width
16773	gape
749	mouth
22528	proportional
1758	length
13131	eyelids
4488	orifice
2693	nostrils
1077	tongue
9481	strict
67173	correlation
1758	length
318	beak
885	size
5112	crop
1040	upper
839	part
66219	oesophagus
955	development
23263	abortion
2387	oil
60264	gland
2554	number
5600	primary
3875	wing
7946	caudal
741	feathers
730	relative
1758	length
3875	wing
3136	tail
739	body
730	relative
1758	length
1481	leg
1482	foot
2554	number
67193	scutellae
1992	toes
955	development
2298	skin
1992	toes
2438	points
679	structure
925	variable
2772	period
947	perfect
4289	plumage
1601	acquired
2172	varies
1032	state
51129	nestling
294	birds
7723	clothed
991	hatched
830	shape
885	size
753	eggs
847	vary
1296	manner
1644	flight
5047	breeds
1392	voice
1198	disposition
994	differ
1983	remarkably
5177	lastly
5047	breeds
1806	males
1710	females
1070	come
994	differ
972	slight
2069	degree
464	altogether
4543	score
4324	pigeons
4186	chosen
807	shown
67194	ornithologist
282	told
343	wild
294	birds
1438	certainly
23458	ranked
7118	defined
1330	species
932	moreover
5363	believe
67194	ornithologist
2331	case
1216	place
16827	carrier
8093	faced
7262	tumbler
66165	runt
26449	barb
67188	pouter
67190	fantail
2434	genus
1731	especially
5047	breeds
3138	truly
6959	inherited
7271	sub
5047	breeds
1330	species
1113	call
807	shown
790	great
2147	differences
5047	breeds
2869	pigeon
2536	fully
8773	convinced
733	common
6702	opinion
415	naturalists
1244	correct
7117	namely
3199	descended
3146	rock
2869	pigeon
42168	columba
67195	livia
5384	including
2481	term
2426	geographical
2117	races
7271	sub
1330	species
994	differ
6280	trifling
845	respects
8492	reasons
441	led
5542	belief
2069	degree
9433	applicable
2643	cases
5010	briefly
13	give
5047	breeds
2149	varieties
6372	proceeded
3146	rock
2869	pigeon
3199	descended
3980	seven
2770	eight
42913	aboriginal
21025	stocks
1579	impossible
473	make
2897	domestic
5047	breeds
5793	crossing
7536	lesser
2554	number
3282	instance
67188	pouter
40	produced
5793	crossing
5047	breeds
2955	parent
21025	stocks
1393	possessed
906	characteristic
2584	enormous
5112	crop
4480	supposed
42913	aboriginal
21025	stocks
3146	rock
4324	pigeons
4602	breed
6987	willingly
1669	perch
1377	trees
67195	livia
2426	geographical
7271	sub
1330	species
1330	species
3146	rock
4324	pigeons
664	known
7165	characters
2897	domestic
5047	breeds
2289	hence
4480	supposed
42913	aboriginal
21025	stocks
875	exist
7142	countries
1565	where
6818	originally
2017	domesticated
1191	unknown
396	ornithologists
885	size
1240	habits
841	remarkable
7165	characters
1193	seems
5622	improbable
644	become
3469	extinct
343	wild
1032	state
294	birds
3338	breeding
5636	precipices
1205	good
6184	flyers
2431	unlikely
7828	exterminated
733	common
3146	rock
2869	pigeon
1240	habits
2897	domestic
5047	breeds
7828	exterminated
1353	smaller
5732	british
32605	islets
1281	shores
3226	mediterranean
2289	hence
4480	supposed
12628	extermination
1330	species
706	similar
1240	habits
3146	rock
2869	pigeon
1193	seems
4409	rash
892	assumption
932	moreover
7312	named
2017	domesticated
5047	breeds
18230	transported
748	parts
535	world
834	therefore
3238	carried
2268	native
1093	country
644	become
343	wild
66717	feral
67196	dovecot
2869	pigeon
3146	rock
2869	pigeon
1495	slightly
5754	altered
1032	state
644	become
66717	feral
1184	places
2405	recent
1364	experience
2201	shows
1242	difficult
919	get
343	wild
293	animals
4602	breed
2526	freely
2345	domestication
26614	hypothesis
41493	multiple
2474	origin
4324	pigeons
2283	assumed
3980	seven
2770	eight
1330	species
4182	thoroughly
2017	domesticated
4347	ancient
884	times
1328	half
3496	civilized
303	man
1153	prolific
7465	confinement
2247	argument
790	great
1973	weight
9433	applicable
2643	cases
9427	specified
5047	breeds
7273	agreeing
1538	generally
343	wild
3146	rock
2869	pigeon
1948	constitution
1240	habits
1392	voice
39969	colouring
748	parts
679	structure
1438	certainly
2089	highly
5092	abnormal
748	parts
1851	look
4394	vain
790	great
1161	family
67197	columbidae
318	beak
16827	carrier
8093	faced
7262	tumbler
26449	barb
5889	reversed
741	feathers
14369	jacobin
5112	crop
67188	pouter
3136	tail
741	feathers
67190	fantail
2289	hence
2283	assumed
1328	half
3496	civilized
303	man
2808	succeeded
4182	thoroughly
67198	domesticating
1330	species
40159	intentionally
2717	chance
1665	picked
23628	extraordinarily
5092	abnormal
1330	species
1012	further
1330	species
644	become
3469	extinct
1191	unknown
305	strange
38825	contingencies
5622	improbable
2041	highest
2069	degree
1651	facts
6812	regard
39969	colouring
4324	pigeons
3723	deserve
5118	consideration
3146	rock
2869	pigeon
41392	slaty
4422	blue
411	white
14965	loins
3228	indian
7271	sub
1330	species
67199	intermedia
67200	strickland
839	part
8419	bluish
3136	tail
5506	terminal
2516	dark
934	outer
741	feathers
41551	externally
7878	edged
1779	base
411	white
742	wings
410	black
2077	bars
2230	semi
2897	domestic
5047	breeds
3138	truly
343	wild
5047	breeds
410	black
2077	bars
742	wings
67201	chequered
410	black
6206	marks
1798	occur
1330	species
1161	family
2897	domestic
5047	breeds
900	taking
4182	thoroughly
6932	bred
294	birds
6206	marks
411	white
51886	edging
934	outer
3136	tail
741	feathers
37004	concur
1323	perfectly
946	developed
932	moreover
294	birds
5238	belonging
2115	distinct
5047	breeds
2356	crossed
4422	blue
9427	specified
6206	marks
34969	mongrel
1814	offspring
4583	apt
1099	suddenly
2348	acquire
7165	characters
13	give
3282	instance
2202	observed
2356	crossed
411	white
67202	fantails
4602	breed
410	black
66365	barbs
3244	happens
4422	blue
2149	varieties
66365	barbs
1875	rare
1404	heard
3282	instance
174	england
67153	mongrels
410	black
239	brown
4250	mottled
2356	crossed
26449	barb
1857	spot
411	white
321	bird
3760	red
3136	tail
3760	red
1857	spot
10106	forehead
32560	notoriously
5047	breeds
67153	mongrels
4986	dusky
4250	mottled
2356	crossed
34969	mongrel
26449	barb
67202	fantails
34969	mongrel
26449	barb
1857	spot
40	produced
321	bird
541	beautiful
4422	blue
9916	colour
411	white
14965	loins
2169	double
410	black
3875	wing
8595	barred
411	white
7878	edged
3136	tail
741	feathers
343	wild
3146	rock
2869	pigeon
5860	understand
1651	facts
664	known
1151	principle
3205	reversion
10905	ancestral
7165	characters
2897	domestic
5047	breeds
3199	descended
3146	rock
2869	pigeon
11398	deny
473	make
2089	highly
5622	improbable
53760	suppositions
1548	imagined
42913	aboriginal
21025	stocks
3288	coloured
437	marked
3146	rock
2869	pigeon
1138	existing
1330	species
659	thus
3288	coloured
437	marked
929	separate
4602	breed
2424	tendency
33023	revert
3038	colours
4326	markings
5040	secondly
4602	breed
20736	purest
1329	dozen
4543	score
2811	generations
2356	crossed
3146	rock
2869	pigeon
548	say
1329	dozen
100	twenty
2811	generations
3282	instance
664	known
2356	crossed
8275	descendants
10581	reverting
8288	ancestor
6756	foreign
1103	blood
4308	removed
731	greater
2554	number
2811	generations
4602	breed
2356	crossed
2424	tendency
33023	revert
35	character
835	derived
6474	cross
1683	naturally
644	become
3343	succeeding
1246	generation
6756	foreign
1103	blood
6474	cross
2424	tendency
4602	breed
33023	revert
35	character
465	lost
116	former
1246	generation
2424	tendency
486	see
1945	contrary
7954	transmitted
1632	undiminished
3993	indefinite
2554	number
2811	generations
2115	distinct
2643	cases
3205	reversion
2461	confounded
5528	written
1200	inheritance
5177	lastly
17449	hybrids
67153	mongrels
5047	breeds
2869	pigeon
1323	perfectly
7902	fertile
1032	state
474	observations
12886	purposely
413	made
2115	distinct
5047	breeds
2709	hardly
2643	cases
7656	ascertained
5964	certainty
17449	hybrids
2115	distinct
1330	species
293	animals
1323	perfectly
7902	fertile
17166	authors
5363	believe
649	continued
2345	domestication
24377	eliminates
2341	strong
2424	tendency
18823	sterility
1330	species
5	history
2093	dog
2897	domestic
293	animals
6630	conclusion
1244	correct
933	applied
1330	species
796	closely
592	related
1795	extend
2309	suppose
1330	species
67180	aboriginally
2115	distinct
23589	carriers
28374	tumblers
67203	pouters
67202	fantails
12343	yield
1814	offspring
1323	perfectly
7902	fertile
21805	inter
20280	se
1193	seems
4409	rash
1176	extreme
8492	reasons
7117	namely
35033	improbability
303	man
2647	formerly
413	made
3980	seven
2770	eight
4480	supposed
1330	species
4324	pigeons
4602	breed
2526	freely
2345	domestication
4480	supposed
1330	species
1191	unknown
343	wild
1032	state
644	become
8	anywhere
66717	feral
1330	species
2590	presenting
5092	abnormal
7165	characters
894	compared
67197	columbidae
3146	rock
2869	pigeon
845	respects
2255	occasional
33574	reappearance
4422	blue
9916	colour
6	various
410	black
6206	marks
5047	breeds
984	kept
719	pure
2356	crossed
5177	lastly
34969	mongrel
1814	offspring
1323	perfectly
7902	fertile
8492	reasons
976	taken
1218	safely
4410	conclude
2897	domestic
5047	breeds
3199	descended
3146	rock
2869	pigeon
42168	columba
67195	livia
2426	geographical
7271	sub
1330	species
9755	favour
4991	view
2976	add
6826	firstly
343	wild
67195	livia
670	found
1822	capable
2345	domestication
7317	europe
7284	india
5034	agrees
1240	habits
790	great
2554	number
2438	points
679	structure
2897	domestic
5047	breeds
5040	secondly
16827	carrier
8093	faced
7262	tumbler
8723	differs
23274	immensely
7165	characters
3146	rock
2869	pigeon
5325	comparing
7271	sub
5047	breeds
2117	races
1731	especially
2657	brought
1595	distant
7142	countries
473	make
3146	rock
2869	pigeon
947	perfect
951	series
2643	cases
5047	breeds
5042	thirdly
7165	characters
3180	mainly
19754	distinctive
4602	breed
1540	eminently
925	variable
3282	instance
43761	wattle
1758	length
318	beak
16827	carrier
11484	shortness
7262	tumbler
2554	number
3136	tail
741	feathers
67190	fantail
6958	explanation
714	fact
799	obvious
3473	treat
6819	selection
5044	fourthly
4324	pigeons
1742	watched
2817	tended
6068	utmost
1237	care
9892	loved
430	people
2017	domesticated
2714	thousands
436	years
2895	quarters
535	world
14175	earliest
664	known
5402	record
4324	pigeons
5957	fifth
67204	aegyptian
18605	dynasty
5572	pointed
200	professor
67205	lepsius
390	mr
8593	birch
6968	informs
4324	pigeons
1510	given
4292	bill
4757	fare
5254	previous
18605	dynasty
607	time
9209	romans
550	hear
34024	pliny
2032	immense
5265	prices
1510	given
4324	pigeons
12793	nay
1070	come
587	pass
14658	reckon
67206	pedigree
3093	race
4324	pigeons
552	valued
67207	akber
22999	khan
7284	india
2658	year
4324	pigeons
976	taken
2018	court
14576	monarchs
67208	iran
67209	turan
4834	sent
1875	rare
294	birds
2806	continues
11680	courtly
18321	historian
9715	majesty
5793	crossing
5047	breeds
693	method
6384	practised
7729	improved
32541	astonishingly
2772	period
1359	dutch
2981	eager
4324	pigeons
359	old
9209	romans
8708	paramount
795	importance
8312	considerations
13181	explaining
2032	immense
2719	amount
2174	variation
4324	pigeons
3668	undergone
799	obvious
3473	treat
6819	selection
486	see
5047	breeds
1026	somewhat
11161	monstrous
35	character
14207	favourable
2373	circumstance
9506	production
2115	distinct
5047	breeds
1183	male
1688	female
4324	pigeons
941	easily
38098	mated
74	life
659	thus
5047	breeds
984	kept
59210	aviary
11363	discussed
855	probable
2474	origin
2897	domestic
4324	pigeons
4972	insufficient
1758	length
984	kept
4324	pigeons
1742	watched
2013	kinds
10159	knowing
3138	truly
4602	breed
2452	felt
2536	fully
2125	difficulty
1321	believing
2017	domesticated
6372	proceeded
733	common
2955	parent
192	naturalist
2943	coming
706	similar
6630	conclusion
6812	regard
1330	species
4306	finches
2830	groups
294	birds
439	nature
2373	circumstance
6185	struck
7117	namely
813	nearly
58772	breeders
6	various
2897	domestic
293	animals
22760	cultivators
447	plants
19622	conversed
32403	treatises
2848	read
5938	firmly
8773	convinced
5047	breeds
5192	attended
3199	descended
67180	aboriginally
2115	distinct
1330	species
8836	ask
8041	asked
17383	celebrated
67210	raiser
43535	hereford
4989	cattle
4989	cattle
3199	descended
16654	horns
733	common
2955	parent
3020	stock
8824	laugh
4038	scorn
1808	met
2869	pigeon
5176	poultry
5578	duck
8334	rabbit
67211	fancier
2536	fully
8773	convinced
3217	main
4602	breed
3199	descended
2115	distinct
1330	species
95	van
36880	mons
18410	treatise
14654	pears
5411	apples
2201	shows
10231	utterly
67212	disbelieves
2933	sorts
3282	instance
67213	ribston
32432	pippin
67214	codlin
4178	apple
6372	proceeded
620	seeds
492	tree
602	innumerable
2894	examples
1510	given
6958	explanation
1260	think
515	simple
649	continued
470	study
800	strongly
6464	impressed
2147	differences
2117	races
420	know
3093	race
2172	varies
1495	slightly
14026	win
15013	prizes
421	selecting
972	slight
2147	differences
27406	ignore
915	general
17001	arguments
3446	refuse
12222	sum
2462	minds
972	slight
2147	differences
7673	accumulated
3697	successive
2811	generations
415	naturalists
10159	knowing
509	laws
1200	inheritance
67177	breeder
10159	knowing
2196	intermediate
4343	links
4263	lines
5736	descent
5314	admit
2897	domestic
2117	races
3199	descended
1203	parents
3167	learn
5618	lesson
1177	caution
63163	deride
1581	idea
1330	species
1032	state
439	nature
67166	lineal
8275	descendants
1330	species
7546	principles
6819	selection
41590	anciently
1189	followed
17321	effects
1506	let
5010	briefly
5191	consider
3175	steps
2897	domestic
2117	races
40	produced
797	allied
1330	species
5087	effect
7011	attributed
1304	direct
893	definite
469	action
2146	external
539	conditions
74	life
479	habit
4091	bold
303	man
1089	account
24479	agencies
2147	differences
39143	dray
3093	race
2870	horse
65262	greyhound
55637	bloodhound
16827	carrier
7262	tumbler
2869	pigeon
841	remarkable
2501	features
2017	domesticated
2117	races
486	see
6997	adaptation
815	indeed
67	animal
621	plant
1205	good
303	man
7	use
2967	fancy
6816	variations
5124	useful
8662	arisen
1099	suddenly
1556	step
17403	botanists
3282	instance
5363	believe
2957	fuller
67215	teasel
7374	hooks
44918	rivalled
5994	mechanical
28665	contrivance
4463	variety
343	wild
67216	dipsacus
2719	amount
889	change
1099	suddenly
8662	arisen
55772	seedling
67217	turnspit
2093	dog
664	known
2331	case
67218	ancon
3885	sheep
6049	compare
39143	dray
2870	horse
3093	race
2870	horse
67219	dromedary
7069	camel
6	various
5047	breeds
3885	sheep
979	fitted
3435	cultivated
274	land
4464	mountain
4143	pasture
4142	wool
4602	breed
1205	good
1091	purpose
4602	breed
1091	purpose
6049	compare
5047	breeds
5673	dogs
1205	good
303	man
446	ways
6049	compare
5299	game
3207	cock
45752	pertinacious
3064	battle
5047	breeds
39720	quarrelsome
14401	everlasting
3823	layers
3113	desire
3208	sit
24173	bantam
7070	elegant
6049	compare
8217	host
21712	agricultural
3192	culinary
4802	orchard
939	flower
3602	garden
2117	races
447	plants
5124	useful
303	man
4948	seasons
1045	purposes
541	beautiful
1740	eyes
1260	think
1851	look
1012	further
2116	mere
2122	variability
2309	suppose
5047	breeds
1099	suddenly
40	produced
947	perfect
5124	useful
486	see
815	indeed
2643	cases
420	know
5	history
5527	key
303	man
1627	power
67220	accumulative
6819	selection
439	nature
695	gives
3697	successive
6816	variations
303	man
2569	adds
5367	directions
5124	useful
2096	sense
867	said
413	made
5124	useful
5047	breeds
790	great
1627	power
1151	principle
6819	selection
21624	hypothetical
6558	eminent
58772	breeders
2168	single
9831	lifetime
6124	modified
1341	extent
5047	breeds
4989	cattle
3885	sheep
534	order
2536	fully
12333	realise
485	necessary
2848	read
32403	treatises
3219	devoted
427	subject
15784	inspect
293	animals
58772	breeders
1562	habitually
2842	speak
67	animal
12920	organisation
41336	plastic
2940	model
8863	please
1057	space
1578	quote
2552	numerous
6126	passages
5087	effect
2089	highly
6827	competent
6811	authorities
67221	youatt
5916	acquainted
918	works
67222	agriculturalists
2143	individual
1205	good
5210	judge
293	animals
1536	speaks
1151	principle
6819	selection
2175	enables
29806	agriculturist
22599	modify
35	character
5593	flock
889	change
464	altogether
14579	magician
27990	wand
553	means
11309	summon
74	life
838	form
3477	mould
6137	pleases
3397	lord
67223	somerville
2755	speaking
58772	breeders
3885	sheep
516	says
1125	seem
23667	chalked
3788	wall
838	form
947	perfect
1510	given
844	existence
28385	saxony
795	importance
1151	principle
6819	selection
6812	regard
44374	merino
3885	sheep
2536	fully
9698	recognised
276	men
5123	follow
10369	trade
3885	sheep
750	placed
5283	table
3989	studied
6953	picture
18338	connoisseur
884	times
3213	intervals
2704	months
3885	sheep
607	time
437	marked
5198	classed
7745	ultimately
285	selected
3338	breeding
58772	breeders
2765	actually
1531	effected
2412	proved
2584	enormous
5265	prices
1510	given
293	animals
1205	good
67206	pedigree
22627	exported
5337	quarter
535	world
11299	improvement
553	means
1538	generally
384	due
5793	crossing
5047	breeds
58772	breeders
800	strongly
12744	opposed
3082	practice
796	closely
797	allied
7271	sub
5047	breeds
6474	cross
413	made
15800	closest
6819	selection
4439	indispensable
1264	ordinary
2643	cases
6819	selection
7682	consisted
449	merely
780	separating
2115	distinct
4463	variety
3338	breeding
1151	principle
799	obvious
2709	hardly
4727	worth
1733	notice
795	importance
608	consists
790	great
5087	effect
40	produced
4302	accumulation
2073	direction
3697	successive
2811	generations
2147	differences
3126	absolutely
49727	inappreciable
33648	uneducated
1315	eye
2147	differences
7622	vainly
2225	attempted
3517	appreciate
303	man
496	thousand
2227	accuracy
1315	eye
6701	judgment
3948	sufficient
644	become
6558	eminent
67177	breeder
7542	gifted
5331	qualities
440	studies
427	subject
436	years
3131	devotes
9831	lifetime
33820	indomitable
4861	perseverance
2415	succeed
473	make
790	great
10696	improvements
2973	wants
5331	qualities
10576	assuredly
2605	fail
1443	readily
5363	believe
4	natural
10107	capacity
436	years
3082	practice
19364	requisite
644	become
4551	skilful
2869	pigeon
67211	fancier
7546	principles
1189	followed
67224	horticulturists
6816	variations
10518	abrupt
27280	supposes
54	choicest
26943	productions
40	produced
2168	single
2174	variation
42913	aboriginal
3020	stock
14045	proofs
2643	cases
4734	exact
5394	records
984	kept
659	thus
13	give
6280	trifling
3282	instance
8180	steadily
2767	increasing
885	size
733	common
51994	gooseberry
2228	quoted
486	see
2312	astonishing
11299	improvement
54636	florists
588	flowers
588	flowers
967	day
894	compared
17204	drawings
413	made
100	twenty
2358	thirty
436	years
3093	race
447	plants
1116	pretty
2237	established
732	seed
36539	raisers
2824	pick
447	plants
449	merely
1824	go
732	seed
3484	beds
4057	pull
34255	rogues
1113	call
447	plants
39162	deviate
514	proper
1124	standard
293	animals
958	kind
6819	selection
714	fact
1189	followed
2709	hardly
7327	careless
4602	breed
3563	worst
293	animals
6812	regard
447	plants
553	means
4265	observing
7673	accumulated
17321	effects
6819	selection
7117	namely
5325	comparing
7466	diversity
588	flowers
2149	varieties
1330	species
939	flower
3602	garden
7466	diversity
586	leaves
6205	pods
46069	tubers
839	part
552	valued
12939	kitchen
3602	garden
2675	comparison
588	flowers
2149	varieties
7466	diversity
589	fruit
1330	species
4802	orchard
2675	comparison
586	leaves
588	flowers
36	set
2149	varieties
486	see
586	leaves
40077	cabbage
2232	extremely
2154	alike
588	flowers
588	flowers
67225	heartsease
2154	alike
586	leaves
589	fruit
2013	kinds
52277	gooseberries
994	differ
885	size
9916	colour
830	shape
67226	hairiness
588	flowers
972	slight
2147	differences
2149	varieties
994	differ
4596	largely
223	point
994	differ
2438	points
2709	hardly
2842	speak
805	careful
1537	observation
2331	case
3174	law
67141	correlated
2174	variation
795	importance
2819	overlooked
6447	ensure
2147	differences
915	general
426	rule
1560	doubted
649	continued
6819	selection
972	slight
6816	variations
586	leaves
588	flowers
589	fruit
887	produce
2117	races
6195	differing
767	chiefly
7165	characters
8387	objected
1151	principle
6819	selection
2839	reduced
3964	methodical
3082	practice
4280	scarcely
2895	quarters
7506	century
1438	certainly
5192	attended
1927	late
436	years
32403	treatises
2437	published
427	subject
1363	result
7029	corresponding
2069	degree
3790	rapid
1151	principle
6050	modern
6689	discovery
13	give
9395	references
918	works
13969	antiquity
498	full
795	importance
1151	principle
10464	acknowledged
1909	rude
10878	barbarous
843	periods
5	history
3045	choice
293	animals
17305	imported
509	laws
2076	passed
4971	prevent
22631	exportation
3894	destruction
2741	horses
885	size
6604	ordered
894	compared
67227	roguing
447	plants
67228	nurserymen
1151	principle
6819	selection
540	find
6347	distinctly
1510	given
4347	ancient
17797	chinese
40240	encyclopaedia
2339	explicit
9365	rules
1185	laid
18499	roman
18393	classical
7305	writers
6126	passages
27315	genesis
431	clear
9916	colour
2897	domestic
293	animals
2772	period
5192	attended
3493	savages
6474	cross
5673	dogs
343	wild
2216	canine
293	animals
7716	improve
4602	breed
2647	formerly
5334	attested
6126	passages
34024	pliny
3493	savages
2627	south
1270	africa
2055	match
12569	draught
4989	cattle
9916	colour
53148	esquimaux
38531	teams
5673	dogs
44008	livingstone
125	states
1205	good
2897	domestic
5047	breeds
2089	highly
552	valued
23367	negroes
904	interior
1270	africa
856	associated
18011	europeans
1651	facts
1725	show
5274	actual
6819	selection
1725	show
3338	breeding
2897	domestic
293	animals
1214	carefully
5192	attended
4347	ancient
884	times
5192	attended
2749	lowest
3493	savages
815	indeed
305	strange
714	fact
1663	attention
4656	paid
3338	breeding
1200	inheritance
1205	good
2066	bad
5331	qualities
799	obvious
5479	unconscious
6819	selection
607	time
6558	eminent
58772	breeders
6596	try
3964	methodical
6819	selection
2115	distinct
1661	object
4991	view
473	make
4886	strain
7271	sub
4602	breed
4513	superior
958	kind
1093	country
1091	purpose
838	form
6819	selection
661	called
5479	unconscious
5065	results
3150	trying
1302	possess
4602	breed
2143	individual
293	animals
659	thus
303	man
39422	intends
1509	keeping
59136	pointers
1683	naturally
3763	tries
919	get
1205	good
5673	dogs
4367	afterwards
5047	breeds
5673	dogs
6119	wish
9823	expectation
16695	permanently
32481	altering
4602	breed
8474	infer
648	process
649	continued
7736	centuries
7716	improve
22599	modify
4602	breed
67229	bakewell
27148	collins
197	etc
648	process
3238	carried
10529	methodically
1414	greatly
22599	modify
67230	lifetimes
2162	forms
5331	qualities
4989	cattle
1818	slow
10232	insensible
952	changes
958	kind
9698	recognised
5274	actual
7788	measurements
805	careful
17204	drawings
5047	breeds
577	question
413	made
5879	serve
2675	comparison
2643	cases
11812	unchanged
1086	changed
2142	individuals
4602	breed
875	exist
51239	civilised
3362	districts
1565	where
4602	breed
7729	improved
1765	reason
5363	believe
361	king
194	charles
64339	spaniel
11118	unconsciously
6124	modified
1341	extent
607	time
4992	monarch
2089	highly
6827	competent
6811	authorities
8773	convinced
62127	setter
835	derived
64339	spaniel
1833	slowly
5754	altered
664	known
49321	pointer
1414	greatly
1086	changed
7506	century
2331	case
889	change
7717	believed
767	chiefly
1531	effected
8649	crosses
67231	foxhound
15353	concerns
889	change
1531	effected
11118	unconsciously
945	gradually
8681	effectually
359	old
15379	spanish
49321	pointer
1438	certainly
2576	came
20460	spain
390	mr
11070	borrow
417	seen
2638	informed
2268	native
2093	dog
20460	spain
49321	pointer
706	similar
648	process
6819	selection
805	careful
13002	training
3093	race
2741	horses
1070	come
7017	surpass
67232	fleetness
885	size
2955	parent
18232	arabs
2330	latter
19726	regulations
67233	goodwood
2117	races
9629	favoured
23766	weights
1711	carry
3397	lord
13974	spencer
1025	others
807	shown
4989	cattle
174	england
5105	increased
1973	weight
2760	maturity
894	compared
3020	stock
2647	formerly
984	kept
1093	country
5325	comparing
1298	accounts
1510	given
6	various
359	old
32403	treatises
116	former
1032	state
16827	carrier
7262	tumbler
4324	pigeons
7473	britain
7284	india
17373	persia
905	trace
3429	stages
15352	insensibly
2076	passed
1070	come
994	differ
1414	greatly
3146	rock
2869	pigeon
67221	youatt
695	gives
1447	excellent
288	illustration
17321	effects
954	course
6819	selection
2092	considered
5479	unconscious
58772	breeders
2896	expected
5752	wished
887	produce
1363	result
4891	ensued
7117	namely
9506	production
2115	distinct
19961	strains
5117	flocks
27238	leicester
3885	sheep
984	kept
390	mr
376	buckley
390	mr
37525	burgess
390	mr
67221	youatt
2086	remarks
6064	purely
6932	bred
493	original
3020	stock
390	mr
67229	bakewell
5675	upwards
1834	fifty
436	years
8799	suspicion
1138	existing
2443	mind
5916	acquainted
427	subject
7478	owner
35464	deviated
3282	instance
719	pure
1103	blood
390	mr
67229	bakewell
5593	flock
2178	difference
3885	sheep
1393	possessed
5729	gentlemen
790	great
1615	appearance
2149	varieties
875	exist
3493	savages
10878	barbarous
1260	think
6959	inherited
35	character
1814	offspring
2897	domestic
293	animals
67	animal
1944	particularly
5124	useful
1091	purpose
1214	carefully
6438	preserved
34687	famines
16433	accidents
3493	savages
4608	liable
3045	choice
293	animals
659	thus
1538	generally
2026	leave
1814	offspring
1041	inferior
938	ones
2331	case
958	kind
5479	unconscious
6819	selection
2892	going
486	see
463	value
36	set
293	animals
9227	barbarians
7085	tierra
7086	del
7087	fuego
2559	killing
974	devouring
359	old
2566	women
884	times
22299	dearth
463	value
5673	dogs
447	plants
1642	gradual
648	process
11299	improvement
2255	occasional
13231	preservation
2142	individuals
5758	sufficiently
2115	distinct
23458	ranked
1615	appearance
2115	distinct
2149	varieties
1330	species
2117	races
644	become
5750	blended
5793	crossing
3733	plainly
9698	recognised
5105	increased
885	size
3920	beauty
486	see
2149	varieties
67225	heartsease
2071	rose
67234	pelargonium
53273	dahlia
447	plants
894	compared
8388	older
2149	varieties
2955	parent
21025	stocks
8353	expect
919	get
2243	rate
67225	heartsease
53273	dahlia
732	seed
343	wild
621	plant
8353	expect
1982	raise
2243	rate
12054	melting
5486	pear
732	seed
343	wild
5486	pear
2415	succeed
3255	poor
55772	seedling
1832	growing
343	wild
1070	come
3602	garden
3020	stock
5486	pear
3435	cultivated
18393	classical
884	times
851	appears
34024	pliny
3998	description
589	fruit
1041	inferior
11549	quality
417	seen
790	great
1674	surprise
6814	expressed
21313	horticultural
918	works
327	wonderful
3005	skill
16982	gardeners
40	produced
7550	splendid
5065	results
3255	poor
917	materials
201	art
515	simple
544	final
1363	result
6076	concerned
1189	followed
11118	unconsciously
7682	consisted
5059	cultivating
664	known
4463	variety
23072	sowing
620	seeds
1495	slightly
4463	variety
4674	chanced
860	appear
421	selecting
9156	onwards
16982	gardeners
18393	classical
2772	period
3435	cultivated
14654	pears
19184	procure
1672	thought
7550	splendid
589	fruit
348	eat
8693	owe
1447	excellent
589	fruit
2069	degree
1683	naturally
4186	chosen
6438	preserved
2149	varieties
8	anywhere
540	find
2719	amount
889	change
659	thus
1833	slowly
11118	unconsciously
7673	accumulated
1023	explains
5363	believe
664	known
714	fact
2554	number
2643	cases
11210	recognise
834	therefore
420	know
343	wild
2955	parent
21025	stocks
447	plants
7213	longest
3435	cultivated
939	flower
12939	kitchen
1577	gardens
976	taken
7736	centuries
2714	thousands
436	years
7716	improve
22599	modify
447	plants
1124	standard
5186	usefulness
303	man
5860	understand
3225	australia
2276	cape
1205	good
1206	hope
2293	region
2648	inhabited
66225	uncivilised
303	man
6582	afforded
2168	single
621	plant
4727	worth
7063	culture
7142	countries
3721	rich
1330	species
305	strange
2717	chance
1302	possess
42913	aboriginal
21025	stocks
5124	useful
447	plants
2268	native
447	plants
7729	improved
649	continued
6819	selection
1124	standard
6148	perfection
4795	comparable
1601	acquired
447	plants
7142	countries
41590	anciently
51239	civilised
6812	regard
2897	domestic
293	animals
984	kept
66225	uncivilised
303	man
2819	overlooked
3075	struggle
966	food
4948	seasons
7142	countries
5583	differently
37900	circumstanced
2142	individuals
1330	species
1495	slightly
22292	constitutions
679	structure
2415	succeed
1093	country
659	thus
648	process
4	natural
6819	selection
2995	hereafter
2536	fully
8494	explained
7271	sub
5047	breeds
981	formed
1993	partly
1023	explains
876	why
2149	varieties
984	kept
3493	savages
6129	remarked
17166	authors
35	character
1330	species
2149	varieties
984	kept
51239	civilised
7142	countries
4991	view
1510	given
839	part
6819	selection
303	man
2100	played
762	becomes
799	obvious
2897	domestic
2117	races
1725	show
6997	adaptation
679	structure
1240	habits
303	man
2973	wants
12154	fancies
1260	think
1012	further
5860	understand
1365	frequently
5092	abnormal
35	character
2897	domestic
2117	races
2147	differences
790	great
2146	external
7165	characters
2815	relatively
972	slight
3013	internal
748	parts
1589	organs
303	man
2709	hardly
7287	select
2125	difficulty
40143	deviation
679	structure
41551	externally
3550	visible
815	indeed
1373	rarely
4335	cares
3013	internal
1178	act
6819	selection
6816	variations
1510	given
972	slight
2069	degree
439	nature
303	man
6596	try
473	make
67190	fantail
338	saw
2869	pigeon
3136	tail
946	developed
972	slight
2069	degree
2314	unusual
1296	manner
67188	pouter
338	saw
2869	pigeon
5112	crop
1026	somewhat
2314	unusual
885	size
5092	abnormal
2314	unusual
35	character
886	appeared
4340	likely
2104	catch
1663	attention
7	use
2744	expression
3150	trying
473	make
67190	fantail
3896	doubt
2643	cases
10231	utterly
8777	incorrect
303	man
285	selected
2869	pigeon
1495	slightly
712	larger
3136	tail
17096	dreamed
8275	descendants
2869	pigeon
644	become
649	continued
1993	partly
5479	unconscious
1993	partly
3964	methodical
6819	selection
2955	parent
321	bird
67202	fantails
5544	fourteen
3136	tail
741	feathers
1026	somewhat
1954	expanded
1334	java
67190	fantail
2142	individuals
2115	distinct
5047	breeds
5552	seventeen
3136	tail
741	feathers
4636	counted
67188	pouter
2869	pigeon
67235	inflate
5112	crop
67189	turbit
1040	upper
839	part
66219	oesophagus
479	habit
21501	disregarded
64576	fanciers
2438	points
4602	breed
1506	let
1672	thought
790	great
40143	deviation
679	structure
485	necessary
2104	catch
67211	fancier
1315	eye
52631	perceives
2232	extremely
2147	differences
2019	human
439	nature
463	value
12745	novelty
972	slight
1453	possession
463	value
2647	formerly
36	set
972	slight
2147	differences
2142	individuals
1330	species
5329	judged
463	value
36	set
5047	breeds
8733	fairly
2237	established
664	known
4324	pigeons
972	slight
6816	variations
1744	occasionally
860	appear
6468	rejected
5997	faults
28622	deviations
1124	standard
6148	perfection
4602	breed
733	common
7840	goose
1510	given
949	rise
437	marked
2149	varieties
2289	hence
33099	toulouse
733	common
4602	breed
994	differ
9916	colour
15942	fleeting
7165	characters
2359	lately
2659	exhibited
2115	distinct
5176	poultry
2201	shows
14503	views
860	appear
2177	explain
4180	noticed
7117	namely
420	know
2709	hardly
2474	origin
5	history
2897	domestic
5047	breeds
714	fact
4602	breed
4698	dialect
34	language
2709	hardly
867	said
2115	distinct
2474	origin
303	man
9624	preserves
5047	breeds
2143	individual
972	slight
40143	deviation
679	structure
878	takes
1237	care
1461	usual
23688	matching
293	animals
659	thus
21508	improves
7729	improved
293	animals
1833	slowly
2432	spread
3353	immediate
10073	neighbourhood
2709	hardly
2115	distinct
2109	name
1495	slightly
552	valued
5	history
21501	disregarded
1012	further
7729	improved
1818	slow
1642	gradual
648	process
2432	spread
2585	widely
9698	recognised
2115	distinct
7259	valuable
2107	receive
12645	provincial
2109	name
2230	semi
51239	civilised
7142	countries
2000	free
7053	communication
4894	spreading
7271	sub
4602	breed
1818	slow
648	process
2438	points
463	value
10464	acknowledged
1151	principle
661	called
5479	unconscious
6819	selection
5421	tend
2772	period
4602	breed
2640	rises
6520	falls
711	fashion
5738	district
1123	according
1032	state
58249	civilisation
6224	inhabitants
1833	slowly
2976	add
906	characteristic
2501	features
4602	breed
2717	chance
12240	infinitely
5402	record
6438	preserved
1818	slow
6422	varying
10232	insensible
952	changes
2364	circumstances
14207	favourable
303	man
1627	power
6819	selection
548	say
523	words
2364	circumstances
14207	favourable
10747	reverse
303	man
1627	power
6819	selection
2069	degree
2122	variability
7010	obviously
14207	favourable
2526	freely
1638	giving
917	materials
6819	selection
558	work
2116	mere
2143	individual
2147	differences
6687	amply
3948	sufficient
1176	extreme
1237	care
5278	allow
4302	accumulation
2719	amount
973	modification
5948	desired
2073	direction
6816	variations
6083	manifestly
5124	useful
5459	pleasing
303	man
860	appear
1744	occasionally
2717	chance
1615	appearance
5105	increased
2554	number
2142	individuals
984	kept
2289	hence
2554	number
2041	highest
795	importance
3052	success
1151	principle
8293	marshall
2647	formerly
6129	remarked
968	respect
3885	sheep
839	part
28277	yorkshire
1538	generally
2937	belong
3255	poor
430	people
1941	mostly
15326	lots
7729	improved
418	hand
67228	nurserymen
1509	keeping
21025	stocks
621	plant
1538	generally
1660	successful
28398	amateurs
1494	raising
7259	valuable
2149	varieties
2554	number
2142	individuals
67	animal
621	plant
3500	reared
1565	where
539	conditions
1823	propagation
14207	favourable
2142	individuals
7672	scanty
667	allowed
4602	breed
11549	quality
8681	effectually
4971	prevent
6819	selection
452	element
67	animal
621	plant
2089	highly
552	valued
303	man
15800	closest
1663	attention
4656	paid
1614	slightest
28622	deviations
5331	qualities
679	structure
1663	attention
4656	paid
1531	effected
417	seen
10676	gravely
6129	remarked
11497	fortunate
21280	strawberry
4489	began
847	vary
16982	gardeners
4489	began
6767	attend
621	plant
3896	doubt
21280	strawberry
2137	varied
3435	cultivated
972	slight
2149	varieties
6445	neglected
16982	gardeners
1665	picked
2143	individual
447	plants
1495	slightly
712	larger
1297	earlier
589	fruit
1516	raised
18300	seedlings
1665	picked
18300	seedlings
6932	bred
3277	aid
5793	crossing
2115	distinct
1330	species
4417	admirable
2149	varieties
21280	strawberry
1516	raised
886	appeared
1328	half
7506	century
293	animals
1917	facility
3102	preventing
8649	crosses
452	element
7639	formation
2117	races
1093	country
6806	stocked
2117	races
968	respect
5679	enclosure
274	land
5481	plays
839	part
3813	wandering
3493	savages
6224	inhabitants
1790	plains
1373	rarely
1302	possess
4602	breed
1330	species
4324	pigeons
38098	mated
74	life
790	great
1233	convenience
67211	fancier
659	thus
2117	races
7729	improved
984	kept
10618	mingled
59210	aviary
2373	circumstance
4596	largely
9629	favoured
7639	formation
5047	breeds
4324	pigeons
2976	add
6821	propagated
790	great
1159	numbers
1473	quick
2243	rate
1041	inferior
294	birds
2526	freely
6468	rejected
2031	killed
5879	serve
966	food
418	hand
8329	cats
6303	nocturnal
40082	rambling
1240	habits
941	easily
25780	matched
552	valued
2566	women
549	children
1373	rarely
486	see
2115	distinct
4602	breed
984	kept
5047	breeds
486	see
17305	imported
1093	country
3896	doubt
2897	domestic
293	animals
847	vary
1025	others
11747	rarity
4815	absence
2115	distinct
5047	breeds
3423	cat
9135	donkey
58787	peacock
7840	goose
197	etc
7011	attributed
3217	main
839	part
6819	selection
2657	brought
5809	play
8329	cats
2125	difficulty
1805	pairing
9155	donkeys
984	kept
3255	poor
430	people
1663	attention
4656	paid
3338	breeding
4461	recently
748	parts
20460	spain
124	united
125	states
67	animal
13186	surprisingly
6124	modified
7729	improved
805	careful
6819	selection
59060	peacocks
941	easily
3500	reared
3020	stock
984	kept
5212	geese
7259	valuable
1045	purposes
966	food
741	feathers
1731	especially
4430	pleasure
2452	felt
1566	display
2115	distinct
5047	breeds
7840	goose
539	conditions
4079	exposed
2017	domesticated
1193	seems
5710	singularly
8023	inflexible
12920	organisation
2137	varied
972	slight
1341	extent
3468	elsewhere
2395	described
17166	authors
6896	maintained
2719	amount
2174	variation
2897	domestic
26943	productions
4620	reached
4712	afterward
2282	exceeded
1026	somewhat
4409	rash
5157	assert
1375	limit
1603	attained
2331	case
293	animals
447	plants
1414	greatly
7729	improved
446	ways
2405	recent
2772	period
5343	implies
2174	variation
3209	equally
4409	rash
5157	assert
7165	characters
5105	increased
6068	utmost
1375	limit
2194	remaining
604	fixed
7736	centuries
847	vary
539	conditions
74	life
3896	doubt
390	mr
323	wallace
6129	remarked
462	truth
1375	limit
4620	reached
3282	instance
1375	limit
67232	fleetness
3300	terrestrial
67	animal
5865	determined
5761	friction
7078	overcome
1973	weight
739	body
3238	carried
1627	power
7992	contraction
5790	muscular
28006	fibres
15353	concerns
2897	domestic
2149	varieties
1330	species
994	differ
35	character
303	man
5192	attended
285	selected
2115	distinct
1330	species
6233	genera
40812	isidore
56926	geoffroy
6536	st
37528	hilaire
2412	proved
6812	regard
885	size
9916	colour
1758	length
1821	hair
968	respect
67232	fleetness
5261	depends
4111	bodily
7165	characters
51498	eclipse
67236	fleeter
39143	dray
2870	horse
67237	comparably
3806	stronger
4	natural
1330	species
5238	belonging
2434	genus
447	plants
620	seeds
2149	varieties
6306	bean
36730	maize
994	differ
885	size
620	seeds
2115	distinct
1330	species
2434	genus
2718	families
2447	remark
1853	holds
1205	good
6812	regard
589	fruit
2149	varieties
5488	plum
800	strongly
16291	melon
3285	analogous
2643	cases
12222	sum
2474	origin
2897	domestic
2117	races
293	animals
447	plants
1086	changed
539	conditions
74	life
2041	highest
795	importance
6871	causing
2122	variability
5135	acting
12920	organisation
5293	indirectly
4646	affecting
61494	reproductive
4412	system
855	probable
2122	variability
21715	inherent
485	necessary
34866	contingent
2364	circumstances
731	greater
2245	force
1200	inheritance
3205	reversion
4283	determine
6816	variations
10074	endure
2122	variability
13499	governed
1191	unknown
509	laws
67141	correlated
298	growth
420	know
7011	attributed
893	definite
469	action
539	conditions
74	life
790	great
5087	effect
7011	attributed
5105	increased
7	use
10544	disuse
748	parts
544	final
1363	result
659	thus
655	rendered
12240	infinitely
6319	complex
2643	cases
67060	intercrossing
67180	aboriginally
2115	distinct
1330	species
851	appears
2100	played
839	part
2474	origin
5047	breeds
5047	breeds
981	formed
1093	country
2255	occasional
67060	intercrossing
3277	aid
6819	selection
3896	doubt
4596	largely
7820	aided
7639	formation
7271	sub
5047	breeds
795	importance
5793	crossing
6684	exaggerated
6812	regard
293	animals
447	plants
6821	propagated
732	seed
447	plants
14256	temporarily
6821	propagated
18251	cuttings
3600	buds
197	etc
795	importance
5793	crossing
2032	immense
22796	cultivator
33483	disregard
1176	extreme
2122	variability
17449	hybrids
67153	mongrels
18823	sterility
17449	hybrids
447	plants
6821	propagated
732	seed
795	importance
12022	endurance
4020	temporary
6065	causes
889	change
67220	accumulative
469	action
6819	selection
933	applied
10529	methodically
2593	quickly
11118	unconsciously
1833	slowly
17492	efficiently
1193	seems
22791	predominant
1627	power
2851	chapter
249	ii
2174	variation
439	nature
2122	variability
2143	individual
2147	differences
7308	doubtful
1330	species
1670	wide
9785	ranging
937	diffused
733	common
1330	species
847	vary
1330	species
712	larger
6233	genera
1093	country
847	vary
1365	frequently
1330	species
1353	smaller
6233	genera
1330	species
712	larger
6233	genera
1957	resemble
2149	varieties
796	closely
5985	unequally
592	related
21563	restricted
4473	ranges
18646	applying
7546	principles
7319	arrived
2851	chapter
21627	organic
1021	beings
1032	state
439	nature
5010	briefly
11962	discuss
2330	latter
427	subject
2174	variation
3473	treat
427	subject
1913	properly
19778	catalogue
715	dry
1651	facts
1510	given
12868	reserve
2984	future
558	work
11962	discuss
6	various
24365	definitions
1510	given
2481	term
1330	species
6988	definition
4807	satisfied
415	naturalists
192	naturalist
965	knows
12290	vaguely
553	means
1536	speaks
1330	species
1538	generally
2481	term
5043	includes
1191	unknown
452	element
2115	distinct
1178	act
6824	creation
2481	term
4463	variety
3209	equally
1242	difficult
2631	define
2562	community
5736	descent
20962	universally
6840	implied
1373	rarely
2412	proved
661	called
56385	monstrosities
25304	graduate
2149	varieties
2874	monstrosity
10151	presume
2074	meant
3267	considerable
40143	deviation
679	structure
1538	generally
3892	injurious
5124	useful
1330	species
17166	authors
7	use
2481	term
2174	variation
9230	technical
2096	sense
27962	implying
973	modification
384	due
6151	physical
539	conditions
74	life
6816	variations
2096	sense
4480	supposed
6959	inherited
548	say
53555	dwarfed
725	condition
488	shells
48693	brackish
2635	waters
20475	baltic
53555	dwarfed
447	plants
33918	alpine
9045	summits
4573	thicker
7282	fur
67	animal
38326	northwards
2643	cases
6959	inherited
2811	generations
2331	case
10151	presume
838	form
661	called
4463	variety
1560	doubted
2079	sudden
3267	considerable
28622	deviations
679	structure
1744	occasionally
486	see
2897	domestic
26943	productions
1731	especially
447	plants
16695	permanently
6821	propagated
1032	state
439	nature
839	part
21627	organic
5797	beautifully
592	related
6319	complex
539	conditions
74	life
1193	seems
5622	improbable
839	part
1099	suddenly
40	produced
947	perfect
6319	complex
7014	machine
3383	invented
303	man
947	perfect
1032	state
2345	domestication
56385	monstrosities
1798	occur
1957	resemble
21725	normal
4560	structures
2585	widely
293	animals
659	thus
9678	pigs
1744	occasionally
1140	born
802	sort
48223	proboscis
343	wild
1330	species
2434	genus
1683	naturally
1393	possessed
48223	proboscis
8437	argued
886	appeared
2874	monstrosity
6351	failed
540	find
16047	diligent
3019	search
2643	cases
56385	monstrosities
1398	resembling
21725	normal
4560	structures
813	nearly
797	allied
2162	forms
1969	bear
577	question
11161	monstrous
2162	forms
958	kind
860	appear
1032	state
439	nature
1822	capable
19069	reproduction
2331	case
1798	occur
1373	rarely
1163	singly
13231	preservation
5107	depend
1815	unusually
14207	favourable
2364	circumstances
3343	succeeding
2811	generations
6474	cross
1264	ordinary
838	form
659	thus
5092	abnormal
35	character
6009	inevitably
465	lost
578	return
2984	future
2851	chapter
13231	preservation
9902	perpetuation
2168	single
2255	occasional
6816	variations
2143	individual
2147	differences
972	slight
2147	differences
860	appear
1814	offspring
1203	parents
10031	presumed
659	thus
8662	arisen
2202	observed
2142	individuals
1330	species
4044	inhabiting
5200	confined
1870	locality
661	called
2143	individual
2147	differences
27280	supposes
2142	individuals
1330	species
1745	cast
5274	actual
3477	mould
2143	individual
2147	differences
2041	highest
795	importance
6959	inherited
2456	familiar
659	thus
1126	afford
917	materials
4	natural
6819	selection
1178	act
7414	accumulate
1296	manner
303	man
5272	accumulates
1510	given
2073	direction
2143	individual
2147	differences
2017	domesticated
26943	productions
2143	individual
2147	differences
1538	generally
1959	affect
415	naturalists
5191	consider
17086	unimportant
748	parts
1725	show
19778	catalogue
1651	facts
748	parts
661	called
5731	viewed
7045	physiological
67238	classificatory
223	point
4991	view
847	vary
2142	individuals
1330	species
8773	convinced
17314	experienced
192	naturalist
4220	surprised
2554	number
2643	cases
2122	variability
748	parts
679	structure
688	collect
1205	good
2323	authority
760	collected
954	course
436	years
791	remembered
65720	systematists
11280	pleased
480	finding
2122	variability
7165	characters
276	men
1977	laboriously
2150	examine
3013	internal
1589	organs
6049	compare
2656	specimens
1330	species
2896	expected
4482	branching
3217	main
5712	nerves
790	great
5634	central
6321	ganglion
1083	insect
925	variable
1330	species
1672	thought
952	changes
439	nature
1531	effected
1818	slow
5627	degrees
322	sir
364	lubbock
807	shown
2069	degree
2122	variability
3217	main
5712	nerves
67239	coccus
894	compared
565	irregular
4482	branching
609	stem
492	tree
19001	philosophical
192	naturalist
2976	add
807	shown
2132	muscles
22771	larvae
1699	insects
3977	uniform
17166	authors
15754	argue
5805	circle
1032	state
1589	organs
847	vary
17166	authors
2766	practically
1570	rank
748	parts
415	naturalists
28046	honestly
7236	confessed
847	vary
223	point
4991	view
3282	instance
670	found
839	part
6422	varying
223	point
4991	view
2746	instances
10576	assuredly
1510	given
223	point
3553	connected
2143	individual
2147	differences
2232	extremely
34060	perplexing
1367	refer
6233	genera
661	called
67240	protean
67241	polymorphic
1330	species
49830	inordinate
2719	amount
2174	variation
968	respect
2162	forms
2709	hardly
415	naturalists
993	agree
1570	rank
1330	species
2149	varieties
3282	instance
67242	rubus
28473	rosa
67243	hieracium
447	plants
6233	genera
1699	insects
67244	brachiopod
488	shells
67241	polymorphic
6233	genera
1330	species
604	fixed
893	definite
7165	characters
6233	genera
67241	polymorphic
1093	country
1125	seem
3216	exceptions
67241	polymorphic
7142	countries
7806	judging
67244	brachiopod
488	shells
116	former
843	periods
607	time
1651	facts
34060	perplexing
1125	seem
1725	show
958	kind
2122	variability
1558	independent
539	conditions
74	life
2547	inclined
4777	suspect
486	see
67241	polymorphic
6233	genera
6816	variations
5228	service
40149	disservice
1330	species
5341	consequently
1645	seized
655	rendered
893	definite
4	natural
6819	selection
2995	hereafter
8494	explained
2142	individuals
1330	species
664	known
790	great
2147	differences
679	structure
3421	independently
2174	variation
4342	sexes
6	various
293	animals
6807	castes
32691	sterile
1710	females
5193	workers
1699	insects
1807	immature
3409	larval
125	states
1879	lower
293	animals
2643	cases
67151	dimorphism
67152	trimorphism
293	animals
447	plants
659	thus
390	mr
323	wallace
2359	lately
661	called
1663	attention
427	subject
807	shown
1710	females
1330	species
3659	butterflies
7285	malayan
1362	archipelago
4947	regularly
860	appear
8332	conspicuously
2115	distinct
2162	forms
3553	connected
2196	intermediate
2149	varieties
31999	fritz
27889	muller
2395	described
3285	analogous
6094	extraordinary
2643	cases
1806	males
17216	brazilian
3728	crustaceans
659	thus
1183	male
67245	tanais
4947	regularly
1787	occurs
2115	distinct
2162	forms
2341	strong
5583	differently
3803	shaped
9660	pincers
54287	antennae
2262	abundantly
4975	furnished
5701	smelling
2512	hairs
2643	cases
2162	forms
293	animals
447	plants
3553	connected
2196	intermediate
10254	gradations
659	thus
3553	connected
390	mr
323	wallace
3282	instance
1426	describes
3925	butterfly
7591	presents
5048	island
790	great
443	range
2149	varieties
3553	connected
2196	intermediate
4343	links
1176	extreme
4343	links
8270	chain
796	closely
1957	resemble
2162	forms
797	allied
21205	dimorphic
1330	species
4044	inhabiting
839	part
9308	malay
1362	archipelago
659	thus
336	ants
5975	worker
6807	castes
1538	generally
2115	distinct
2643	cases
2995	hereafter
486	see
6807	castes
3553	connected
19985	finely
6919	graduated
2149	varieties
2202	observed
21205	dimorphic
447	plants
1438	certainly
851	appears
2089	highly
841	remarkable
714	fact
1688	female
3925	butterfly
1627	power
5922	producing
607	time
2115	distinct
1688	female
2162	forms
1183	male
67246	hermaphrodite
621	plant
887	produce
732	seed
46013	capsule
2115	distinct
67246	hermaphrodite
2162	forms
3297	bearing
2013	kinds
1710	females
2013	kinds
1806	males
2643	cases
34710	exaggerations
733	common
714	fact
1688	female
2865	produces
1814	offspring
4342	sexes
994	differ
327	wonderful
1296	manner
7308	doubtful
1330	species
2162	forms
1302	possess
3267	considerable
2069	degree
35	character
1330	species
796	closely
706	similar
2162	forms
796	closely
9410	linked
2196	intermediate
10254	gradations
415	naturalists
1570	rank
2115	distinct
1330	species
845	respects
1765	reason
5363	believe
7308	doubtful
796	closely
797	allied
2162	forms
16695	permanently
8434	retained
7165	characters
607	time
420	know
1205	good
1330	species
2766	practically
192	naturalist
8408	unite
553	means
2196	intermediate
4343	links
2162	forms
1018	treats
4463	variety
20933	ranking
733	common
2395	described
1330	species
4463	variety
2643	cases
790	great
2125	difficulty
21983	enumerate
5952	arise
22286	deciding
1570	rank
838	form
4463	variety
796	closely
3553	connected
2196	intermediate
4343	links
1561	commonly
2283	assumed
21265	hybrid
439	nature
2196	intermediate
2162	forms
6159	remove
2125	difficulty
2643	cases
838	form
23458	ranked
4463	variety
2196	intermediate
4343	links
2765	actually
670	found
2239	analogy
1013	leads
1448	observer
2309	suppose
8101	somewhere
875	exist
2647	formerly
5061	existed
1670	wide
4214	door
10476	entry
3896	doubt
18602	conjecture
2586	opened
2289	hence
4501	determining
838	form
23458	ranked
1330	species
4463	variety
6702	opinion
415	naturalists
1239	sound
6701	judgment
1670	wide
1364	experience
1193	seems
6207	guide
5123	follow
2643	cases
2455	decide
3596	majority
415	naturalists
437	marked
664	known
2149	varieties
7312	named
23458	ranked
1330	species
6827	competent
13842	judges
2149	varieties
7308	doubtful
439	nature
4299	uncommon
18503	disputed
6049	compare
67247	floras
790	great
7473	britain
3304	france
124	united
125	states
1893	drawn
17403	botanists
486	see
3166	surprising
2554	number
2162	forms
23458	ranked
8255	botanist
1205	good
1330	species
2116	mere
2149	varieties
390	mr
21080	watson
3275	lie
1860	deep
11226	obligation
9516	assistance
2013	kinds
437	marked
5732	british
447	plants
1538	generally
2092	considered
2149	varieties
23458	ranked
17403	botanists
1330	species
1422	making
245	list
8485	omitted
6280	trifling
2149	varieties
23458	ranked
17403	botanists
1330	species
781	entirely
8485	omitted
2089	highly
67241	polymorphic
6233	genera
6233	genera
5384	including
67241	polymorphic
2162	forms
390	mr
67248	babington
695	gives
1330	species
390	mr
43091	bentham
695	gives
2178	difference
7308	doubtful
2162	forms
293	animals
8408	unite
1813	birth
2089	highly
1568	locomotive
7308	doubtful
2162	forms
23458	ranked
43035	zoologist
1330	species
4463	variety
1373	rarely
670	found
1093	country
733	common
942	separated
22441	areas
294	birds
1699	insects
2278	north
1254	america
7317	europe
994	differ
1495	slightly
23458	ranked
6558	eminent
192	naturalist
12150	undoubted
1330	species
2149	varieties
661	called
2426	geographical
2117	races
390	mr
323	wallace
7259	valuable
8498	papers
6	various
293	animals
1731	especially
8471	lepidoptera
4044	inhabiting
1333	islands
790	great
7285	malayan
1362	archipelago
2201	shows
5198	classed
888	heads
7117	namely
925	variable
2162	forms
2477	local
2162	forms
2426	geographical
2117	races
7271	sub
1330	species
4848	representative
1330	species
925	variable
2162	forms
847	vary
1006	limits
5048	island
2477	local
2162	forms
7800	moderately
3137	constant
2115	distinct
929	separate
5048	island
1333	islands
894	compared
2147	differences
417	seen
972	slight
6919	graduated
1579	impossible
2631	define
2994	describe
607	time
1176	extreme
2162	forms
5758	sufficiently
2115	distinct
2426	geographical
2117	races
7271	sub
1330	species
2477	local
2162	forms
1628	completely
604	fixed
3905	isolated
994	differ
800	strongly
437	marked
7165	characters
2710	test
2143	individual
6702	opinion
4283	determine
2092	considered
1330	species
2149	varieties
5177	lastly
4848	representative
1330	species
3055	fill
1216	place
4	natural
2876	economy
5048	island
2477	local
2162	forms
7271	sub
1330	species
2971	distinguished
731	greater
2719	amount
2178	difference
2477	local
2162	forms
7271	sub
1330	species
20962	universally
23458	ranked
415	naturalists
1330	species
1325	criterion
3333	possibly
1510	given
925	variable
2162	forms
2477	local
2162	forms
7271	sub
1330	species
4848	representative
1330	species
9698	recognised
436	years
5325	comparing
1751	seeing
1025	others
6049	compare
294	birds
796	closely
10034	neighbouring
1333	islands
67249	galapagos
1362	archipelago
1343	mainland
6185	struck
781	entirely
11709	vague
18665	arbitrary
996	distinction
1330	species
2149	varieties
32605	islets
21077	madeira
2846	group
1699	insects
6483	characterized
2149	varieties
390	mr
45679	wollaston
4417	admirable
558	work
1438	certainly
23458	ranked
2115	distinct
1330	species
67250	entomologists
25001	ireland
293	animals
1538	generally
5703	regarded
2149	varieties
23458	ranked
1330	species
64348	zoologists
17314	experienced
396	ornithologists
5191	consider
5732	british
3760	red
3833	grouse
800	strongly
437	marked
3093	race
23641	norwegian
1330	species
731	greater
2554	number
1570	rank
12150	undoubted
1330	species
1567	peculiar
790	great
7473	britain
1670	wide
1405	distance
5069	homes
7308	doubtful
2162	forms
1013	leads
415	naturalists
1570	rank
2115	distinct
1330	species
1405	distance
8041	asked
3054	suffice
1254	america
7317	europe
12684	ample
7317	europe
34005	azores
21077	madeira
43276	canaries
32605	islets
67251	archipelagos
3948	sufficient
390	mr
17133	walsh
2971	distinguished
6902	entomologist
124	united
125	states
2395	described
1139	calls
67252	phytophagic
2149	varieties
67252	phytophagic
1330	species
689	vegetable
964	feeding
1699	insects
1653	live
958	kind
621	plant
2846	group
447	plants
2821	feed
5120	indiscriminately
2013	kinds
1817	consequence
847	vary
2643	cases
1699	insects
670	found
447	plants
2202	observed
390	mr
17133	walsh
3409	larval
3331	mature
1032	state
125	states
972	slight
3137	constant
2147	differences
9916	colour
885	size
439	nature
22259	secretions
2746	instances
1806	males
2746	instances
1806	males
1710	females
2202	observed
659	thus
994	differ
972	slight
2069	degree
2147	differences
800	strongly
437	marked
4342	sexes
5050	ages
5522	affected
2162	forms
23458	ranked
67250	entomologists
1205	good
1330	species
1448	observer
4283	determine
67252	phytophagic
2162	forms
661	called
1330	species
2149	varieties
390	mr
17133	walsh
3189	ranks
2162	forms
4480	supposed
2526	freely
67253	intercross
2149	varieties
860	appear
465	lost
1627	power
1330	species
2147	differences
5107	depend
1699	insects
2818	fed
2115	distinct
447	plants
2896	expected
2196	intermediate
4343	links
23335	connecting
2162	forms
670	found
192	naturalist
659	thus
3339	loses
6207	guide
4501	determining
1570	rank
7308	doubtful
2162	forms
2149	varieties
1330	species
5327	necessarily
1787	occurs
796	closely
797	allied
21525	organisms
2476	inhabit
2115	distinct
15296	continents
1333	islands
418	hand
67	animal
621	plant
4473	ranges
6973	continent
2623	inhabits
1333	islands
1362	archipelago
7591	presents
2162	forms
22441	areas
1205	good
2717	chance
2196	intermediate
2162	forms
2396	discovered
12571	link
1176	extreme
125	states
12319	degraded
1570	rank
2149	varieties
415	naturalists
1837	maintain
293	animals
2149	varieties
415	naturalists
1570	rank
1614	slightest
2178	difference
7817	specific
463	value
997	identical
838	form
1808	met
1595	distant
7142	countries
6220	geological
41338	formations
5363	believe
2115	distinct
1330	species
3852	hidden
3352	dress
2481	term
1330	species
659	thus
2637	comes
2116	mere
5281	useless
10589	abstraction
27962	implying
12912	assuming
929	separate
1178	act
6824	creation
2162	forms
2092	considered
2089	highly
6827	competent
13842	judges
2149	varieties
1957	resemble
1330	species
1628	completely
35	character
659	thus
23458	ranked
2089	highly
6827	competent
13842	judges
11962	discuss
661	called
1330	species
2149	varieties
6988	definition
14	terms
1538	generally
5412	accepted
7622	vainly
1107	beat
821	air
2643	cases
800	strongly
437	marked
2149	varieties
7308	doubtful
1330	species
3723	deserve
5118	consideration
429	interesting
4263	lines
2247	argument
2426	geographical
2622	distribution
67158	analogical
2174	variation
67150	hybridism
197	etc
2657	brought
1969	bear
2033	attempt
4283	determine
1570	rank
1057	space
15840	permit
11962	discuss
5211	investigation
2643	cases
3896	doubt
2739	bring
415	naturalists
993	agree
1570	rank
7308	doubtful
2162	forms
7236	confessed
664	known
7142	countries
540	find
1611	greatest
2554	number
6185	struck
714	fact
67	animal
621	plant
1032	state
439	nature
2089	highly
5124	useful
303	man
3893	cause
796	closely
7875	attracts
1663	attention
2149	varieties
20962	universally
670	found
5396	recorded
2149	varieties
932	moreover
23458	ranked
17166	authors
1330	species
1851	look
733	common
4201	oak
796	closely
3989	studied
7157	german
26	author
1961	makes
1329	dozen
1330	species
2162	forms
20962	universally
2092	considered
17403	botanists
2149	varieties
1093	country
2041	highest
8618	botanical
6811	authorities
7186	practical
276	men
2228	quoted
1725	show
61427	sessile
60292	pedunculated
5004	oaks
1205	good
2115	distinct
1330	species
2116	mere
2149	varieties
8411	allude
841	remarkable
41558	memoir
2359	lately
2437	published
1771	de
67254	candolle
5004	oaks
535	world
12684	ample
917	materials
22588	discrimination
1330	species
4103	worked
5480	zeal
10650	sagacity
695	gives
3239	detail
2438	points
679	structure
847	vary
1330	species
5546	estimates
35636	numerically
730	relative
27963	frequency
6816	variations
23722	specifies
1329	dozen
7165	characters
670	found
6422	varying
1596	branch
1123	according
1829	age
955	development
67255	assignable
1765	reason
7165	characters
954	course
7817	specific
463	value
42272	asa
2497	gray
6129	remarked
13859	commenting
41558	memoir
1538	generally
874	enter
7817	specific
24365	definitions
1771	de
67254	candolle
478	goes
548	say
695	gives
1570	rank
1330	species
2162	forms
994	differ
7165	characters
6422	varying
492	tree
670	found
3553	connected
2196	intermediate
125	states
8698	discussion
1363	result
10555	labour
13824	emphatically
2086	remarks
6673	mistaken
6744	repeat
731	greater
839	part
1330	species
2751	clearly
5045	limited
7308	doubtful
1330	species
7246	feeble
14378	minority
2098	seemed
2434	genus
8495	imperfectly
664	known
1330	species
6671	founded
2656	specimens
548	say
23528	provisional
1070	come
420	know
2196	intermediate
2162	forms
756	flow
11425	doubts
7817	specific
1006	limits
14345	augment
2569	adds
664	known
1330	species
1611	greatest
2554	number
3519	spontaneous
2149	varieties
7271	sub
2149	varieties
659	thus
44187	quercus
67256	robur
100	twenty
2770	eight
2149	varieties
9055	clustered
7271	sub
1330	species
7117	namely
67257	pedunculata
67258	sessiliflora
67259	pubescens
2162	forms
6503	connect
7271	sub
1330	species
1062	comparatively
1875	rare
42272	asa
2497	gray
2086	remarks
23335	connecting
2162	forms
1875	rare
644	become
6594	totally
3469	extinct
7271	sub
1330	species
1067	hold
2153	exactly
313	relation
34905	provisionally
1301	admitted
1330	species
796	closely
7796	surround
3724	typical
44187	quercus
67256	robur
4184	finally
1771	de
67254	candolle
6965	admits
1330	species
8613	enumerated
64666	prodromus
5238	belonging
4201	oak
1161	family
1785	thirds
23528	provisional
1330	species
664	known
6020	strictly
41649	fulfil
6988	definition
1510	given
1330	species
901	added
1771	de
67254	candolle
2543	longer
7826	believes
1330	species
35088	immutable
33721	creations
2203	concludes
9375	derivative
6055	theory
4	natural
40193	accordant
664	known
1651	facts
46550	palaeontology
2426	geographical
495	botany
45105	zoology
21327	anatomical
679	structure
7167	classification
21	young
192	naturalist
6405	commences
470	study
2846	group
21525	organisms
1191	unknown
9925	perplexed
4501	determining
2147	differences
5191	consider
7817	specific
67260	varietal
965	knows
2719	amount
958	kind
2174	variation
2846	group
427	subject
2201	shows
1538	generally
2174	variation
5927	confine
1663	attention
3195	class
1093	country
473	make
2443	mind
1570	rank
7308	doubtful
2162	forms
915	general
2424	tendency
473	make
1330	species
644	become
6464	impressed
2869	pigeon
5176	poultry
67211	fancier
8449	alluded
2719	amount
2178	difference
2162	forms
4865	continually
2449	studying
915	general
532	knowledge
67158	analogical
2174	variation
2830	groups
7142	countries
1244	correct
7006	impressions
2629	extends
443	range
474	observations
2188	meet
2643	cases
2125	difficulty
2609	encounter
731	greater
2554	number
796	closely
797	allied
2162	forms
474	observations
2585	widely
2600	extended
612	end
1538	generally
1172	able
473	make
2443	mind
2415	succeed
989	expense
7197	admitting
2174	variation
462	truth
11465	admission
18503	disputed
415	naturalists
2637	comes
470	study
797	allied
2162	forms
2657	brought
7142	countries
7657	continuous
2331	case
1206	hope
540	find
2196	intermediate
4343	links
7373	compelled
1217	trust
781	entirely
2239	analogy
1276	difficulties
949	rise
13980	climax
1438	certainly
431	clear
3915	line
34434	demarcation
1893	drawn
1330	species
7271	sub
1330	species
2162	forms
6702	opinion
415	naturalists
1070	come
1826	arrive
1570	rank
1330	species
7271	sub
1330	species
437	marked
2149	varieties
7536	lesser
2149	varieties
2143	individual
2147	differences
2147	differences
20833	blend
10232	insensible
951	series
951	series
55729	impresses
2443	mind
1581	idea
5274	actual
1658	passage
2289	hence
1851	look
2143	individual
2147	differences
444	interest
7151	systematist
2041	highest
795	importance
1556	step
972	slight
2149	varieties
4627	barely
1672	thought
4727	worth
7675	recording
918	works
4	natural
5	history
1851	look
2149	varieties
2069	degree
2115	distinct
2361	permanent
3175	steps
800	strongly
437	marked
2361	permanent
2149	varieties
2330	latter
4633	leading
7271	sub
1330	species
1330	species
1658	passage
2798	stage
2178	difference
2643	cases
515	simple
1363	result
439	nature
22183	organism
6151	physical
539	conditions
4079	exposed
968	respect
7033	adaptive
7165	characters
1658	passage
2798	stage
2178	difference
1218	safely
7011	attributed
22336	cumulative
469	action
4	natural
6819	selection
2995	hereafter
8494	explained
17321	effects
5105	increased
7	use
10544	disuse
748	parts
437	marked
4463	variety
834	therefore
661	called
22306	incipient
1330	species
5542	belief
33507	justifiable
5329	judged
1973	weight
6	various
1651	facts
8312	considerations
1510	given
558	work
4480	supposed
2149	varieties
22306	incipient
1330	species
883	attain
1570	rank
1330	species
644	become
3469	extinct
10074	endure
2149	varieties
843	periods
807	shown
2331	case
390	mr
45679	wollaston
2149	varieties
6834	fossil
274	land
488	shells
21077	madeira
447	plants
36694	gaston
1771	de
67261	saporta
4463	variety
9985	flourish
1783	exceed
1159	numbers
2955	parent
1330	species
1570	rank
1330	species
1330	species
4463	variety
1070	come
19368	supplant
11813	exterminate
2955	parent
1330	species
388	co
875	exist
1570	rank
1558	independent
1330	species
2995	hereafter
578	return
427	subject
2086	remarks
417	seen
1851	look
2481	term
1330	species
25749	arbitrarily
1510	given
7353	sake
1233	convenience
36	set
2142	individuals
796	closely
1398	resembling
484	essentially
994	differ
2481	term
4463	variety
1510	given
2115	distinct
16254	fluctuating
2162	forms
2481	term
4463	variety
2675	comparison
2116	mere
2143	individual
2147	differences
933	applied
25749	arbitrarily
1233	convenience
7353	sake
1670	wide
9785	ranging
937	diffused
733	common
1330	species
847	vary
425	guided
22221	theoretical
8312	considerations
1672	thought
429	interesting
5065	results
660	obtained
6812	regard
439	nature
501	relations
1330	species
847	vary
67262	tabulating
2149	varieties
4103	worked
67247	floras
2098	seemed
515	simple
3142	task
390	mr
21080	watson
4833	indebted
7259	valuable
3278	advice
9516	assistance
427	subject
8773	convinced
1276	difficulties
7669	subsequently
1355	dr
49806	hooker
3806	stronger
14	terms
12868	reserve
2984	future
558	work
8698	discussion
1276	difficulties
10096	tables
22528	proportional
1159	numbers
6422	varying
1330	species
1355	dr
49806	hooker
2601	permits
2976	add
1214	carefully
2848	read
16156	manuscript
675	examined
10096	tables
2119	thinks
1780	statements
8733	fairly
2237	established
427	subject
5947	treated
5327	necessarily
12766	brevity
34060	perplexing
11167	allusions
7515	avoided
3075	struggle
844	existence
46257	divergence
35	character
6123	questions
2995	hereafter
11363	discussed
20782	alphonse
1771	de
67254	candolle
1025	others
807	shown
447	plants
1670	wide
4473	ranges
1538	generally
2149	varieties
2896	expected
4079	exposed
19760	diverse
6151	physical
539	conditions
1070	come
17513	competition
2995	hereafter
486	see
2373	circumstance
773	sets
21627	organic
1021	beings
10096	tables
1012	further
1725	show
5045	limited
1093	country
1330	species
733	common
2913	abound
2142	individuals
1330	species
2585	widely
937	diffused
1093	country
5118	consideration
1670	wide
443	range
1341	extent
67263	commonness
28170	oftenest
13	give
949	rise
2149	varieties
5758	sufficiently
437	marked
5396	recorded
8618	botanical
918	works
2289	hence
10047	flourishing
661	called
8729	dominant
1330	species
443	range
2585	widely
937	diffused
1093	country
2552	numerous
2142	individuals
28170	oftenest
887	produce
437	marked
2149	varieties
5191	consider
22306	incipient
1330	species
16175	anticipated
2149	varieties
534	order
644	become
2069	degree
2361	permanent
5327	necessarily
3075	struggle
6224	inhabitants
1093	country
1330	species
8729	dominant
4340	likely
12343	yield
1814	offspring
972	slight
2069	degree
6124	modified
52462	inherit
3057	advantages
3358	enabled
1203	parents
644	become
8729	dominant
35569	compatriots
2086	remarks
67264	predominence
6343	understood
4601	reference
413	made
2162	forms
1070	come
17513	competition
1731	especially
2376	members
2434	genus
3195	class
813	nearly
706	similar
1240	habits
74	life
968	respect
2554	number
2142	individuals
67263	commonness
1330	species
2675	comparison
954	course
1308	relates
2376	members
2846	group
1027	higher
447	plants
867	said
8729	dominant
2552	numerous
2142	individuals
2585	widely
937	diffused
447	plants
1093	country
1653	live
813	nearly
539	conditions
621	plant
958	kind
8729	dominant
67265	conferva
4044	inhabiting
635	water
1885	parasitic
6442	fungus
12240	infinitely
2552	numerous
2142	individuals
2585	widely
937	diffused
67265	conferva
1885	parasitic
6442	fungus
5291	exceeds
2252	allies
845	respects
8729	dominant
3195	class
1330	species
712	larger
6233	genera
1093	country
847	vary
1365	frequently
1330	species
1353	smaller
6233	genera
447	plants
4044	inhabiting
1093	country
2395	described
18329	flora
5038	divided
2332	equal
2795	masses
712	larger
6233	genera
5384	including
1330	species
750	placed
1503	side
1353	smaller
6233	genera
1503	side
116	former
670	found
6991	include
1026	somewhat
712	larger
2554	number
733	common
937	diffused
8729	dominant
1330	species
16175	anticipated
2116	mere
714	fact
1330	species
2434	genus
4044	inhabiting
1093	country
2201	shows
21627	organic
8500	inorganic
539	conditions
1093	country
14207	favourable
2434	genus
5341	consequently
2896	expected
670	found
712	larger
6233	genera
5384	including
1330	species
712	larger
22528	proportional
2554	number
8729	dominant
1330	species
6065	causes
5421	tend
7734	obscure
1363	result
4220	surprised
10096	tables
1725	show
3596	majority
1503	side
712	larger
6233	genera
8411	allude
6065	causes
9993	obscurity
568	fresh
635	water
896	salt
1369	loving
447	plants
1538	generally
1670	wide
4473	ranges
937	diffused
1193	seems
3553	connected
439	nature
22713	stations
2648	inhabited
313	relation
885	size
6233	genera
1330	species
2937	belong
447	plants
1788	low
1028	scale
12920	organisation
1538	generally
2585	widely
937	diffused
447	plants
1027	higher
1028	scale
313	relation
885	size
6233	genera
3893	cause
2854	lowly
60453	organised
447	plants
9785	ranging
2585	widely
11363	discussed
2851	chapter
2426	geographical
2622	distribution
3035	looking
1330	species
800	strongly
437	marked
7118	defined
2149	varieties
441	led
11464	anticipate
1330	species
712	larger
6233	genera
1093	country
2370	oftener
2149	varieties
1330	species
1353	smaller
6233	genera
3168	wherever
796	closely
592	related
1330	species
1330	species
2434	genus
981	formed
2149	varieties
22306	incipient
1330	species
915	general
426	rule
763	forming
1565	where
1377	trees
881	grow
8353	expect
540	find
67266	saplings
1565	where
1330	species
2434	genus
981	formed
2174	variation
2364	circumstances
14207	favourable
2174	variation
2289	hence
8353	expect
2364	circumstances
1538	generally
14207	favourable
2174	variation
418	hand
1851	look
1330	species
1178	act
6824	creation
2745	apparent
1765	reason
876	why
2149	varieties
1798	occur
2846	group
1330	species
2710	test
462	truth
11050	anticipation
3680	arranged
447	plants
1609	twelve
7142	countries
67267	coleopterous
1699	insects
3362	districts
813	nearly
2332	equal
2795	masses
1330	species
712	larger
6233	genera
1503	side
1353	smaller
6233	genera
1503	side
1454	invariably
2412	proved
2331	case
712	larger
537	proportion
1330	species
1503	side
712	larger
6233	genera
2179	presented
2149	varieties
1503	side
1353	smaller
6233	genera
932	moreover
1330	species
6233	genera
2149	varieties
1454	invariably
712	larger
1902	average
2554	number
2149	varieties
1330	species
6233	genera
5065	results
5123	follow
5319	division
413	made
6233	genera
1330	species
464	altogether
822	excluded
10096	tables
1651	facts
4597	plain
29230	signification
4991	view
1330	species
800	strongly
437	marked
2361	permanent
2149	varieties
3168	wherever
1330	species
2434	genus
981	formed
1565	where
7	use
2744	expression
24615	manufactory
1330	species
735	active
1538	generally
540	find
24615	manufactory
469	action
1731	especially
1765	reason
5363	believe
648	process
22835	manufacturing
1330	species
1818	slow
1438	certainly
1853	holds
2149	varieties
4391	looked
22306	incipient
1330	species
10096	tables
2751	clearly
1725	show
915	general
426	rule
3168	wherever
1330	species
2434	genus
981	formed
1330	species
2434	genus
2554	number
2149	varieties
22306	incipient
1330	species
1902	average
6233	genera
6422	varying
659	thus
2767	increasing
2554	number
1330	species
6233	genera
6422	varying
2767	increasing
2413	fatal
6055	theory
14435	inasmuch
38061	geology
3733	plainly
3091	tells
6233	genera
6735	lapse
607	time
5105	increased
1414	greatly
885	size
6233	genera
1070	come
43422	maxima
7558	declined
6738	disappeared
2801	want
1725	show
1565	where
1330	species
2434	genus
981	formed
1902	average
763	forming
1438	certainly
1853	holds
1205	good
1330	species
16	included
712	larger
6233	genera
1957	resemble
2149	varieties
796	closely
5985	unequally
592	related
21563	restricted
4473	ranges
501	relations
1330	species
6233	genera
5396	recorded
2149	varieties
3723	deserve
1733	notice
417	seen
5993	infallible
1325	criterion
877	distinguish
1330	species
437	marked
2149	varieties
2196	intermediate
4343	links
670	found
7308	doubtful
2162	forms
415	naturalists
7373	compelled
1070	come
5965	determination
2719	amount
2178	difference
7806	judging
2239	analogy
2719	amount
35253	suffices
1982	raise
1570	rank
1330	species
2289	hence
2719	amount
2178	difference
1325	criterion
7357	settling
2162	forms
23458	ranked
1330	species
2149	varieties
29369	fries
6129	remarked
6812	regard
447	plants
64357	westwood
6812	regard
1699	insects
6233	genera
2719	amount
2178	difference
1330	species
2423	exceedingly
39925	endeavoured
2710	test
35636	numerically
23443	averages
8027	imperfect
5065	results
1824	go
7524	confirm
4991	view
20232	consulted
13734	sagacious
17314	experienced
1389	observers
6365	deliberation
37004	concur
4991	view
968	respect
834	therefore
1330	species
712	larger
6233	genera
1957	resemble
2149	varieties
1330	species
1353	smaller
6233	genera
2331	case
640	put
867	said
712	larger
6233	genera
2554	number
2149	varieties
22306	incipient
1330	species
731	greater
1902	average
22835	manufacturing
1330	species
912	manufactured
1341	extent
1957	resemble
2149	varieties
994	differ
1461	usual
2719	amount
2178	difference
932	moreover
1330	species
712	larger
6233	genera
592	related
1296	manner
2149	varieties
1330	species
592	related
192	naturalist
53696	pretends
1330	species
2434	genus
3209	equally
2115	distinct
1538	generally
5038	divided
7271	sub
6233	genera
7202	sections
7536	lesser
2830	groups
29369	fries
6129	remarked
2830	groups
1330	species
1538	generally
9055	clustered
50965	satellites
1330	species
2149	varieties
2830	groups
2162	forms
5985	unequally
592	related
9055	clustered
2162	forms
2955	parent
1330	species
2825	undoubtedly
223	point
2178	difference
2149	varieties
1330	species
7117	namely
2719	amount
2178	difference
2149	varieties
894	compared
2955	parent
1330	species
1330	species
2434	genus
1070	come
11962	discuss
1151	principle
1113	call
46257	divergence
35	character
486	see
8494	explained
7536	lesser
2147	differences
2149	varieties
5421	tend
2764	increase
731	greater
2147	differences
1330	species
223	point
4727	worth
1733	notice
2149	varieties
1538	generally
21563	restricted
4473	ranges
6985	statement
815	indeed
4280	scarcely
39032	truism
4463	variety
670	found
442	wider
443	range
4480	supposed
2955	parent
1330	species
49915	denominations
5889	reversed
1765	reason
5363	believe
1330	species
796	closely
797	allied
1330	species
1957	resemble
2149	varieties
21563	restricted
4473	ranges
3282	instance
390	mr
21080	watson
437	marked
7715	sifted
173	london
19778	catalogue
447	plants
4024	th
80	edition
2471	sixty
447	plants
19149	therein
23458	ranked
1330	species
8776	considers
796	closely
797	allied
1330	species
7308	doubtful
463	value
2471	sixty
3754	reputed
1330	species
443	range
1902	average
11551	provinces
390	mr
21080	watson
5038	divided
790	great
7473	britain
19778	catalogue
1834	fifty
10464	acknowledged
2149	varieties
5396	recorded
443	range
11551	provinces
1330	species
2149	varieties
2937	belong
443	range
11551	provinces
10464	acknowledged
2149	varieties
813	nearly
21563	restricted
1902	average
443	range
796	closely
797	allied
2162	forms
437	marked
390	mr
21080	watson
7308	doubtful
1330	species
20962	universally
23458	ranked
5732	british
17403	botanists
1205	good
1330	species
22545	summary
4184	finally
2149	varieties
2971	distinguished
1330	species
6689	discovery
2196	intermediate
24522	linking
2162	forms
5040	secondly
3993	indefinite
2719	amount
2178	difference
2162	forms
6195	differing
1538	generally
23458	ranked
2149	varieties
796	closely
3553	connected
2719	amount
2178	difference
2092	considered
485	necessary
13	give
2162	forms
1570	rank
1330	species
7118	defined
6233	genera
1902	average
2554	number
1330	species
1093	country
1330	species
6233	genera
1902	average
2554	number
2149	varieties
6233	genera
1330	species
4583	apt
796	closely
5985	unequally
797	allied
763	forming
4653	clusters
1330	species
1330	species
796	closely
797	allied
1330	species
2022	apparently
21563	restricted
4473	ranges
845	respects
1330	species
6233	genera
2341	strong
2239	analogy
2149	varieties
2751	clearly
5860	understand
6750	analogies
1330	species
5061	existed
2149	varieties
659	thus
1299	originated
6750	analogies
10231	utterly
5696	inexplicable
1330	species
1558	independent
33721	creations
417	seen
10047	flourishing
8729	dominant
1330	species
712	larger
6233	genera
3195	class
1902	average
12343	yield
1611	greatest
2554	number
2149	varieties
2149	varieties
2995	hereafter
486	see
5421	tend
644	become
5392	converted
2115	distinct
1330	species
659	thus
712	larger
6233	genera
5421	tend
644	become
712	larger
439	nature
2162	forms
74	life
8729	dominant
5421	tend
644	become
8729	dominant
3428	leaving
6124	modified
8729	dominant
8275	descendants
3175	steps
2995	hereafter
8494	explained
712	larger
6233	genera
5421	tend
755	break
1353	smaller
6233	genera
659	thus
2162	forms
74	life
5097	universe
644	become
5038	divided
2830	groups
23757	subordinate
2830	groups
2851	chapter
252	iii
3075	struggle
844	existence
3297	bearing
4	natural
6819	selection
2481	term
1670	wide
2096	sense
6121	geometrical
41837	ratio
2764	increase
3790	rapid
2764	increase
58855	naturalised
293	animals
447	plants
439	nature
9560	checks
2764	increase
17513	competition
3463	universal
17321	effects
4168	climate
1816	protection
2554	number
2142	individuals
6319	complex
501	relations
293	animals
447	plants
439	nature
3075	struggle
74	life
3612	severe
2142	individuals
2149	varieties
1330	species
3612	severe
1330	species
2434	genus
313	relation
22183	organism
22183	organism
501	relations
6741	entering
427	subject
2851	chapter
473	make
23476	preliminary
2086	remarks
1725	show
3075	struggle
844	existence
3272	bears
4	natural
6819	selection
417	seen
2851	chapter
21627	organic
1021	beings
1032	state
439	nature
2143	individual
2122	variability
815	indeed
2224	aware
18503	disputed
39991	immaterial
617	multitude
7308	doubtful
2162	forms
661	called
1330	species
7271	sub
1330	species
2149	varieties
1570	rank
3282	instance
408	hundred
7308	doubtful
2162	forms
5732	british
447	plants
9243	entitled
1067	hold
844	existence
437	marked
2149	varieties
1301	admitted
2116	mere
844	existence
2143	individual
2122	variability
437	marked
2149	varieties
485	necessary
853	foundation
558	work
15234	helps
6479	understanding
1330	species
5952	arise
439	nature
4956	exquisite
7024	adaptations
839	part
12920	organisation
839	part
539	conditions
74	life
21627	organic
1058	perfected
486	see
541	beautiful
388	co
7024	adaptations
3733	plainly
404	woodpecker
54764	mistletoe
3733	plainly
32499	humblest
6493	parasite
8551	clings
2512	hairs
7068	quadruped
741	feathers
321	bird
679	structure
3758	beetle
20040	dives
635	water
67268	plumed
732	seed
48748	wafted
13719	gentlest
7924	breeze
486	see
541	beautiful
7024	adaptations
5525	everywhere
839	part
21627	organic
535	world
8041	asked
2149	varieties
661	called
22306	incipient
1330	species
644	become
7745	ultimately
5392	converted
1205	good
2115	distinct
1330	species
2643	cases
7010	obviously
994	differ
2149	varieties
1330	species
2830	groups
1330	species
1271	constitute
661	called
2115	distinct
6233	genera
994	differ
1330	species
2434	genus
5952	arise
5065	results
2536	fully
486	see
2851	chapter
5123	follow
3075	struggle
74	life
3357	owing
3075	struggle
6816	variations
972	slight
3893	cause
4183	proceeding
2069	degree
12100	profitable
2142	individuals
1330	species
12240	infinitely
6319	complex
501	relations
21627	organic
1021	beings
6151	physical
539	conditions
74	life
5421	tend
13231	preservation
2142	individuals
1538	generally
6959	inherited
1814	offspring
1814	offspring
659	thus
2717	chance
8721	surviving
2142	individuals
1330	species
34747	periodically
1140	born
2554	number
2732	survive
661	called
1151	principle
972	slight
2174	variation
5124	useful
6438	preserved
2481	term
4	natural
6819	selection
534	order
5684	mark
313	relation
303	man
1627	power
6819	selection
2744	expression
390	mr
8789	herbert
13974	spencer
33005	survival
35457	fittest
6277	accurate
3209	equally
1317	convenient
417	seen
303	man
6819	selection
1438	certainly
887	produce
790	great
5065	results
6828	adapt
21627	organic
1021	beings
5036	uses
4302	accumulation
972	slight
5124	useful
6816	variations
1510	given
418	hand
439	nature
4	natural
6819	selection
2995	hereafter
486	see
1627	power
959	incessantly
970	ready
469	action
11501	immeasurably
4513	superior
303	man
7246	feeble
4819	efforts
918	works
439	nature
201	art
11962	discuss
3239	detail
3075	struggle
844	existence
2984	future
558	work
427	subject
5947	treated
12956	deserves
731	greater
1758	length
11251	elder
1771	de
67254	candolle
44085	lyell
4596	largely
38671	philosophically
807	shown
21627	organic
1021	beings
4079	exposed
3612	severe
17513	competition
6812	regard
447	plants
5947	treated
427	subject
4360	spirit
6983	ability
8789	herbert
206	dean
23079	manchester
1762	evidently
1363	result
790	great
21313	horticultural
532	knowledge
7909	easier
5314	admit
523	words
462	truth
3463	universal
3075	struggle
74	life
1242	difficult
670	found
454	constantly
1969	bear
6630	conclusion
2443	mind
4182	thoroughly
13093	engrained
2443	mind
2876	economy
439	nature
714	fact
2622	distribution
11747	rarity
5064	abundance
20063	extinction
2174	variation
9950	dimly
417	seen
34125	misunderstood
5592	behold
401	face
439	nature
1095	bright
12292	gladness
486	see
4753	superabundance
966	food
486	see
4264	forget
294	birds
12330	idly
4427	singing
1941	mostly
1653	live
1699	insects
620	seeds
659	thus
454	constantly
5242	destroying
74	life
4264	forget
4596	largely
67269	songsters
753	eggs
2823	nestlings
2797	destroyed
294	birds
7127	beasts
332	prey
1969	bear
2443	mind
966	food
67270	superabundant
4948	seasons
37848	recurring
2658	year
2481	term
3075	struggle
844	existence
2096	sense
38895	premise
7	use
2481	term
56638	metaphorical
2096	sense
5384	including
6916	dependence
5384	including
74	life
2143	individual
3052	success
3428	leaving
3950	progeny
2216	canine
293	animals
607	time
22299	dearth
3138	truly
867	said
3075	struggle
919	get
966	food
1653	live
621	plant
3235	edge
3361	desert
867	said
3075	struggle
74	life
21334	drought
1913	properly
867	said
6907	dependent
3366	moisture
621	plant
5205	annually
2865	produces
496	thousand
620	seeds
1902	average
2637	comes
2760	maturity
3138	truly
867	said
3075	struggle
447	plants
2013	kinds
16755	clothe
626	ground
54764	mistletoe
6907	dependent
4178	apple
1377	trees
12164	fetched
2096	sense
867	said
3075	struggle
1377	trees
3110	parasites
881	grow
492	tree
67271	languishes
14563	dies
55772	seedling
67272	mistletoes
1832	growing
1596	branch
3138	truly
867	said
3075	struggle
54764	mistletoe
21575	disseminated
294	birds
844	existence
5261	depends
15616	metaphorically
867	said
3075	struggle
589	fruit
3297	bearing
447	plants
16501	tempting
294	birds
1701	devour
659	thus
6777	disseminate
620	seeds
7498	senses
587	pass
7	use
1233	convenience
7353	sake
915	general
2481	term
3075	struggle
844	existence
6121	geometrical
41837	ratio
2764	increase
3075	struggle
844	existence
6009	inevitably
5322	follows
2243	rate
21627	organic
1021	beings
5421	tend
2764	increase
4	natural
9831	lifetime
2865	produces
753	eggs
620	seeds
7623	suffer
3894	destruction
2772	period
74	life
2923	season
2255	occasional
2658	year
1151	principle
6121	geometrical
2764	increase
1159	numbers
2593	quickly
644	become
55607	inordinately
790	great
1093	country
1311	support
19308	product
2289	hence
2142	individuals
40	produced
3333	possibly
2732	survive
2331	case
3075	struggle
844	existence
2143	individual
1330	species
2142	individuals
2115	distinct
1330	species
6151	physical
539	conditions
74	life
14371	doctrine
67163	malthus
933	applied
3158	manifold
2245	force
67	animal
689	vegetable
27010	kingdoms
2331	case
4942	artificial
2764	increase
966	food
48093	prudential
4857	restraint
12158	marriage
1330	species
2767	increasing
3170	rapidly
1159	numbers
535	world
1067	hold
4318	exception
426	rule
21627	organic
1683	naturally
17329	increases
2243	rate
2797	destroyed
64	earth
740	covered
3950	progeny
2168	single
2762	pair
1818	slow
3338	breeding
303	man
4336	doubled
100	twenty
436	years
2243	rate
496	thousand
436	years
6654	literally
2284	standing
1137	room
3950	progeny
52796	linnaeus
1432	calculated
3607	annual
621	plant
40	produced
620	seeds
621	plant
23107	unproductive
18300	seedlings
2658	year
40	produced
100	twenty
436	years
2756	million
447	plants
2575	elephant
16559	reckoned
62769	slowest
67177	breeder
664	known
293	animals
976	taken
2720	pains
3119	estimate
855	probable
2840	minimum
2243	rate
4	natural
2764	increase
11487	safest
1563	assume
1030	begins
3338	breeding
2358	thirty
436	years
359	old
478	goes
3338	breeding
2735	ninety
436	years
359	old
2529	bringing
1144	forth
21	young
6882	interval
8721	surviving
408	hundred
436	years
359	old
2772	period
436	years
813	nearly
25288	nineteen
2756	million
2568	elephants
865	alive
3199	descended
2762	pair
1238	evidence
427	subject
2116	mere
22221	theoretical
6041	calculations
7117	namely
2552	numerous
5396	recorded
2643	cases
32541	astonishingly
3790	rapid
2764	increase
6	various
293	animals
1032	state
439	nature
2364	circumstances
14207	favourable
4948	seasons
1889	striking
1238	evidence
2897	domestic
293	animals
2013	kinds
1476	run
343	wild
748	parts
535	world
1780	statements
2243	rate
2764	increase
1818	slow
3338	breeding
4989	cattle
2741	horses
2627	south
1254	america
15662	latterly
3225	australia
19466	authenticated
16114	incredible
447	plants
2643	cases
1510	given
6389	introduced
447	plants
644	become
733	common
1333	islands
2772	period
1827	ten
436	years
447	plants
67273	cardoon
1380	tall
3882	thistle
2858	commonest
1670	wide
1790	plains
13545	la
24062	plata
10339	clothing
3735	square
11946	leagues
935	surface
9495	exclusion
621	plant
6389	introduced
7317	europe
447	plants
443	range
7284	india
550	hear
1355	dr
44804	falconer
2276	cape
34631	comorin
47358	himalaya
17305	imported
1254	america
6689	discovery
2643	cases
23231	endless
1025	others
1510	given
27280	supposes
22934	fertility
293	animals
447	plants
1099	suddenly
14256	temporarily
5105	increased
11415	sensible
2069	degree
799	obvious
6958	explanation
539	conditions
74	life
2089	highly
14207	favourable
5341	consequently
3894	destruction
359	old
21	young
813	nearly
21	young
3358	enabled
4602	breed
6121	geometrical
41837	ratio
2764	increase
1363	result
8477	fails
3166	surprising
911	simply
1023	explains
23628	extraordinarily
3790	rapid
2764	increase
1670	wide
7046	diffusion
5069	homes
1032	state
439	nature
498	full
2810	grown
621	plant
5205	annually
2865	produces
732	seed
293	animals
5205	annually
2762	pair
2289	hence
15841	confidently
5157	assert
447	plants
293	animals
8393	tending
2764	increase
6121	geometrical
41837	ratio
3170	rapidly
3020	stock
8937	station
875	exist
6121	geometrical
2424	tendency
2764	increase
2757	checked
3894	destruction
2772	period
74	life
7492	familiarity
712	larger
2897	domestic
293	animals
580	tends
1260	think
34196	mislead
486	see
790	great
3894	destruction
2105	falling
823	keep
2443	mind
2714	thousands
5205	annually
33367	slaughtered
966	food
1032	state
439	nature
2332	equal
2554	number
13224	somehow
3831	disposed
2178	difference
21525	organisms
5205	annually
887	produce
753	eggs
620	seeds
496	thousand
887	produce
2232	extremely
1818	slow
58772	breeders
1641	require
436	years
430	people
14207	favourable
539	conditions
5738	district
1506	let
289	condor
752	lays
2834	couple
753	eggs
3488	ostrich
4543	score
1093	country
289	condor
2552	numerous
67274	fulmar
67275	petrel
752	lays
683	egg
7717	believed
2552	numerous
321	bird
535	world
962	fly
3438	deposits
2791	hundreds
753	eggs
67276	hippobosca
2168	single
2178	difference
4283	determine
2142	individuals
1330	species
1990	supported
5738	district
2554	number
753	eggs
795	importance
1330	species
5107	depend
16254	fluctuating
2719	amount
966	food
24517	allows
3170	rapidly
2764	increase
2554	number
795	importance
2554	number
753	eggs
620	seeds
473	make
3894	destruction
2772	period
74	life
2772	period
790	great
3596	majority
2643	cases
67	animal
3455	protect
753	eggs
21	young
2554	number
40	produced
1902	average
3020	stock
2536	fully
984	kept
753	eggs
21	young
2797	destroyed
40	produced
1330	species
644	become
3469	extinct
3054	suffice
823	keep
498	full
2554	number
492	tree
1360	lived
1902	average
496	thousand
436	years
2168	single
732	seed
40	produced
496	thousand
436	years
732	seed
2797	destroyed
14141	ensured
21259	germinate
3818	fitting
1216	place
2643	cases
1902	average
2554	number
67	animal
621	plant
5261	depends
5293	indirectly
2554	number
753	eggs
620	seeds
3035	looking
439	nature
485	necessary
823	keep
5213	foregoing
8312	considerations
2443	mind
4264	forget
2168	single
21627	organic
867	said
12142	striving
6068	utmost
2764	increase
1159	numbers
1002	lives
3075	struggle
2772	period
74	life
4309	heavy
3894	destruction
6009	inevitably
6520	falls
21	young
359	old
1246	generation
28176	recurrent
3213	intervals
26111	lighten
5066	check
33911	mitigate
3894	destruction
2554	number
1330	species
1605	instantaneously
2764	increase
2719	amount
439	nature
9560	checks
2764	increase
6065	causes
5066	check
4	natural
2424	tendency
1330	species
2764	increase
7734	obscure
1851	look
6448	vigorous
1330	species
1094	swarms
1159	numbers
5421	tend
2764	increase
1012	further
420	know
2153	exactly
9560	checks
2168	single
3282	instance
1674	surprise
49092	reflects
6728	ignorant
747	head
6812	regard
5134	mankind
33207	incomparably
664	known
67	animal
427	subject
9560	checks
2764	increase
17357	ably
5947	treated
17166	authors
1206	hope
2984	future
558	work
11962	discuss
3267	considerable
1758	length
1731	especially
6812	regard
66717	feral
293	animals
2627	south
1254	america
473	make
2086	remarks
8404	recall
5352	reader
2443	mind
86	chief
2438	points
753	eggs
21	young
293	animals
1125	seem
1538	generally
7623	suffer
1454	invariably
2331	case
447	plants
1434	vast
3894	destruction
620	seeds
474	observations
413	made
851	appears
18300	seedlings
7623	suffer
18221	germinating
626	ground
2495	thickly
6806	stocked
447	plants
18300	seedlings
2797	destroyed
1434	vast
1159	numbers
6	various
2029	enemies
3282	instance
820	piece
626	ground
1346	feet
1670	wide
4043	dug
622	cleared
1565	where
13178	choking
447	plants
437	marked
18300	seedlings
2268	native
2988	weeds
2576	came
2797	destroyed
767	chiefly
353	slugs
1699	insects
7645	turf
52710	mown
2331	case
7645	turf
796	closely
51426	browsed
7260	quadrupeds
1506	let
881	grow
6448	vigorous
447	plants
945	gradually
5000	kill
6448	vigorous
2536	fully
2810	grown
447	plants
659	thus
100	twenty
1330	species
2810	grown
12817	plot
52710	mown
7645	turf
1346	feet
1926	nine
1330	species
8359	perished
1330	species
667	allowed
881	grow
2526	freely
2719	amount
966	food
1330	species
954	course
695	gives
1176	extreme
1375	limit
2764	increase
1365	frequently
9387	obtaining
966	food
1873	serving
332	prey
293	animals
1890	determines
1902	average
2554	number
1330	species
659	thus
1193	seems
3896	doubt
3020	stock
26702	partridges
3833	grouse
12689	hares
6580	estate
5261	depends
767	chiefly
3894	destruction
11869	vermin
747	head
5299	game
1164	shot
100	twenty
436	years
174	england
607	time
11869	vermin
2797	destroyed
2219	probability
5299	game
2791	hundreds
2714	thousands
5299	game
293	animals
5205	annually
1164	shot
418	hand
2643	cases
2575	elephant
2797	destroyed
7127	beasts
332	prey
3641	tiger
7284	india
1373	rarely
2075	attack
21	young
2575	elephant
4228	protected
7439	dam
4168	climate
5481	plays
839	part
4501	determining
1902	average
1159	numbers
1330	species
6928	periodical
4948	seasons
1176	extreme
634	cold
21334	drought
1125	seem
5845	effective
9560	checks
2088	estimated
767	chiefly
1414	greatly
2839	reduced
1159	numbers
311	nests
879	spring
309	winter
2797	destroyed
3590	fifths
294	birds
2367	grounds
10484	tremendous
3894	destruction
3198	remember
1827	ten
2736	cent
23628	extraordinarily
3612	severe
2734	mortality
33803	epidemics
303	man
469	action
4168	climate
1193	seems
3311	sight
1558	independent
3075	struggle
844	existence
4168	climate
767	chiefly
2684	acts
6199	reducing
966	food
520	brings
3612	severe
3075	struggle
2142	individuals
2115	distinct
1330	species
8780	subsist
958	kind
966	food
4168	climate
3282	instance
1176	extreme
634	cold
2684	acts
6448	vigorous
2142	individuals
3274	got
966	food
6175	advancing
309	winter
7623	suffer
5463	travel
2627	south
2278	north
3785	damp
2293	region
715	dry
1454	invariably
486	see
1330	species
945	gradually
3360	getting
7584	rarer
7584	rarer
4184	finally
6250	disappearing
889	change
4168	climate
2922	conspicuous
2674	tempted
7016	attribute
5087	effect
1304	direct
469	action
2006	false
4991	view
4264	forget
1330	species
1565	where
42862	abounds
454	constantly
10632	suffering
2584	enormous
3894	destruction
2772	period
74	life
2029	enemies
7290	competitors
1216	place
966	food
2029	enemies
7290	competitors
2069	degree
9629	favoured
972	slight
889	change
4168	climate
2764	increase
1159	numbers
2433	area
2536	fully
6806	stocked
6224	inhabitants
1330	species
21472	decrease
5463	travel
5008	southward
486	see
1330	species
21718	decreasing
1159	numbers
1190	feel
3893	cause
468	lies
1330	species
9629	favoured
4895	hurt
5463	travel
4442	northward
1026	somewhat
7536	lesser
2069	degree
2554	number
1330	species
2013	kinds
834	therefore
7290	competitors
21719	decreases
4442	northward
2289	hence
2892	going
4442	northward
5745	ascending
4464	mountain
2370	oftener
2188	meet
9104	stunted
2162	forms
384	due
3892	injurious
469	action
4168	climate
4183	proceeding
5008	southward
5744	descending
4464	mountain
4599	reach
8336	arctic
1282	regions
3937	snow
47191	capped
9045	summits
491	absolute
9150	deserts
3075	struggle
74	life
842	exclusively
808	elements
4168	climate
2684	acts
3217	main
839	part
5293	indirectly
39345	favouring
1330	species
2751	clearly
486	see
1391	prodigious
2554	number
447	plants
1577	gardens
1323	perfectly
10074	endure
4168	climate
644	become
58855	naturalised
21137	compete
2268	native
447	plants
2336	resist
3894	destruction
2268	native
293	animals
1330	species
3357	owing
2089	highly
14207	favourable
2364	circumstances
17329	increases
55607	inordinately
1159	numbers
22123	tract
33803	epidemics
1193	seems
1538	generally
1798	occur
5299	game
293	animals
16539	ensue
23501	limiting
5066	check
1558	independent
3075	struggle
74	life
661	called
33803	epidemics
860	appear
384	due
1885	parasitic
351	worms
3893	cause
3333	possibly
839	part
1917	facility
7046	diffusion
2800	crowded
293	animals
67277	disproportionally
9629	favoured
2637	comes
802	sort
3075	struggle
6493	parasite
332	prey
418	hand
2643	cases
3020	stock
2142	individuals
1330	species
2815	relatively
1159	numbers
2029	enemies
3126	absolutely
485	necessary
13231	preservation
659	thus
941	easily
1982	raise
766	plenty
819	corn
20072	rape
732	seed
197	etc
3779	fields
620	seeds
790	great
3702	excess
894	compared
2554	number
294	birds
2821	feed
294	birds
4753	superabundance
966	food
2923	season
2764	increase
2554	number
3495	proportionally
1003	supply
732	seed
1159	numbers
2757	checked
309	winter
2081	tried
965	knows
1836	troublesome
919	get
732	seed
603	wheat
447	plants
3602	garden
2331	case
465	lost
2168	single
732	seed
4991	view
4072	necessity
3020	stock
1330	species
13231	preservation
1023	explains
5363	believe
1634	singular
1651	facts
439	nature
1875	rare
447	plants
2232	extremely
1100	abundant
3651	spots
1565	where
875	exist
4311	social
447	plants
4311	social
14183	abounding
2142	individuals
1176	extreme
15753	verge
443	range
2643	cases
5363	believe
621	plant
875	exist
1565	where
539	conditions
74	life
14207	favourable
875	exist
659	thus
1330	species
3458	utter
3894	destruction
2976	add
1205	good
17321	effects
67060	intercrossing
17321	effects
65119	interbreeding
3896	doubt
1070	come
5809	play
2643	cases
28088	enlarge
427	subject
6319	complex
501	relations
293	animals
447	plants
3075	struggle
844	existence
2643	cases
5402	record
2301	showing
6319	complex
5871	unexpected
9560	checks
501	relations
21627	organic
1021	beings
3075	struggle
1093	country
13	give
2168	single
3282	instance
515	simple
4642	interested
7643	staffordshire
6580	estate
313	relation
1565	where
12684	ample
553	means
5211	investigation
2232	extremely
8159	barren
6945	heath
5705	touched
418	hand
303	man
408	hundred
4639	acres
2153	exactly
439	nature
3670	enclosed
100	twenty
436	years
4198	previously
7688	planted
20273	scotch
8204	fir
889	change
2268	native
3633	vegetation
7688	planted
839	part
6945	heath
841	remarkable
1538	generally
417	seen
450	passing
605	soil
22528	proportional
1159	numbers
6945	heath
447	plants
716	wholly
1086	changed
1609	twelve
1330	species
447	plants
11454	counting
4046	grasses
67278	carices
9180	flourished
2651	plantations
670	found
6945	heath
5087	effect
1699	insects
731	greater
3705	insectivorous
294	birds
733	common
2651	plantations
417	seen
6945	heath
6945	heath
2655	frequented
2115	distinct
3705	insectivorous
294	birds
486	see
12787	potent
5087	effect
599	introduction
2168	single
492	tree
2776	else
4318	exception
274	land
3670	enclosed
4989	cattle
874	enter
452	element
5679	enclosure
3733	plainly
338	saw
50890	farnham
7778	surrey
2123	extensive
40393	heaths
37994	clumps
359	old
20273	scotch
38011	firs
1595	distant
4922	hill
1379	tops
1827	ten
436	years
1608	spaces
3670	enclosed
3422	self
944	sown
38011	firs
12353	springing
11493	multitudes
1653	live
7656	ascertained
21	young
1377	trees
944	sown
7688	planted
4220	surprised
1159	numbers
4670	went
2438	points
4991	view
1761	whence
2150	examine
2791	hundreds
4639	acres
55049	unenclosed
6945	heath
6654	literally
486	see
2168	single
20273	scotch
8204	fir
359	old
7688	planted
37994	clumps
3035	looking
796	closely
2987	stems
6945	heath
670	found
617	multitude
18300	seedlings
1377	trees
14203	perpetually
51426	browsed
4989	cattle
3735	square
4092	yard
223	point
408	hundred
3314	yards
1595	distant
359	old
37994	clumps
4636	counted
2358	thirty
1377	trees
100	twenty
3730	rings
298	growth
436	years
2081	tried
1982	raise
747	head
2987	stems
6945	heath
6351	failed
296	wonder
274	land
3670	enclosed
4676	became
2495	thickly
7723	clothed
7276	vigorously
1832	growing
21	young
38011	firs
6945	heath
2232	extremely
8159	barren
2123	extensive
1548	imagined
4989	cattle
796	closely
8681	effectually
4641	searched
966	food
486	see
4989	cattle
3126	absolutely
4283	determine
844	existence
20273	scotch
8204	fir
748	parts
535	world
1699	insects
4283	determine
844	existence
4989	cattle
6543	paraguay
8417	offers
1918	curious
3282	instance
4989	cattle
2741	horses
5673	dogs
1476	run
343	wild
3837	swarm
5008	southward
4442	northward
66717	feral
1032	state
6542	azara
67279	rengger
807	shown
4377	caused
731	greater
2554	number
6543	paraguay
962	fly
752	lays
753	eggs
67280	navels
293	animals
1140	born
2764	increase
738	flies
2552	numerous
1562	habitually
2757	checked
553	means
1885	parasitic
1699	insects
2289	hence
3705	insectivorous
294	birds
21472	decrease
6543	paraguay
1885	parasitic
1699	insects
2764	increase
6891	lessen
2554	number
67281	navel
19814	frequenting
738	flies
4989	cattle
2741	horses
644	become
66717	feral
1438	certainly
1414	greatly
13789	alter
815	indeed
2202	observed
748	parts
2627	south
1254	america
3633	vegetation
4596	largely
1959	affect
1699	insects
417	seen
7643	staffordshire
3705	insectivorous
294	birds
9156	onwards
2767	increasing
5655	circles
7049	complexity
439	nature
501	relations
515	simple
3064	battle
3064	battle
4865	continually
37848	recurring
6422	varying
3052	success
1476	run
5484	forces
10000	nicely
5146	balanced
401	face
439	nature
525	remains
843	periods
607	time
3977	uniform
10576	assuredly
33429	merest
11510	trifle
13	give
13742	victory
21627	organic
7379	profound
9899	ignorance
12148	presumption
12570	marvel
550	hear
20063	extinction
21627	organic
486	see
3893	cause
22464	invoke
36233	cataclysms
5858	desolate
535	world
3363	invent
509	laws
4378	duration
2162	forms
74	life
2674	tempted
13	give
3282	instance
2301	showing
447	plants
293	animals
4174	remote
1028	scale
439	nature
1165	bound
3796	web
6319	complex
501	relations
2995	hereafter
1366	occasion
1725	show
18887	exotic
67282	lobelia
63647	fulgens
2641	visited
3602	garden
1699	insects
5341	consequently
1567	peculiar
679	structure
773	sets
732	seed
813	nearly
67283	orchidaceous
447	plants
3126	absolutely
1641	require
2054	visits
1699	insects
6159	remove
5829	pollen
2795	masses
659	thus
67284	fertilise
540	find
5700	experiments
5519	humble
5346	bees
4439	indispensable
67285	fertilisation
67225	heartsease
49682	viola
37384	tricolor
5346	bees
1279	visit
939	flower
670	found
2054	visits
5346	bees
485	necessary
67285	fertilisation
2013	kinds
40093	clover
3282	instance
100	twenty
888	heads
1359	dutch
40093	clover
67286	trifolium
21187	repens
7784	yielded
620	seeds
100	twenty
888	heads
4228	protected
5346	bees
40	produced
888	heads
3760	red
40093	clover
67287	pratense
40	produced
620	seeds
2554	number
4228	protected
888	heads
40	produced
2168	single
732	seed
5519	humble
5346	bees
1279	visit
3760	red
40093	clover
5346	bees
4599	reach
5827	nectar
1263	suggested
3918	moths
67284	fertilise
67288	clovers
3896	doubt
2331	case
3760	red
40093	clover
1973	weight
3948	sufficient
45462	depress
3875	wing
8413	petals
2289	hence
8474	infer
2089	highly
855	probable
2434	genus
5519	humble
5346	bees
4676	became
3469	extinct
1875	rare
174	england
67225	heartsease
3760	red
40093	clover
644	become
1875	rare
716	wholly
1088	disappear
2554	number
5519	humble
5346	bees
5738	district
5261	depends
790	great
4979	measure
2554	number
164	field
2827	mice
2244	destroy
5992	combs
311	nests
21097	colonel
40830	newman
5192	attended
1240	habits
5519	humble
5346	bees
7826	believes
1785	thirds
659	thus
2797	destroyed
174	england
2554	number
2827	mice
4596	largely
6907	dependent
965	knows
2554	number
8329	cats
21097	colonel
40830	newman
516	says
4472	villages
8908	towns
670	found
311	nests
5519	humble
5346	bees
2552	numerous
3468	elsewhere
7016	attribute
2554	number
8329	cats
2244	destroy
2827	mice
2289	hence
7827	credible
2287	presence
46292	feline
67	animal
1159	numbers
5738	district
4283	determine
33572	intervention
2827	mice
5346	bees
27963	frequency
588	flowers
5738	district
2331	case
1330	species
9560	checks
5135	acting
843	periods
74	life
4948	seasons
436	years
1070	come
5809	play
5066	check
1538	generally
12787	potent
37004	concur
4501	determining
1902	average
2554	number
844	existence
1330	species
2643	cases
807	shown
2585	widely
9560	checks
1178	act
1330	species
3362	districts
1851	look
447	plants
4148	bushes
10339	clothing
7653	entangled
3326	bank
2674	tempted
7016	attribute
22528	proportional
1159	numbers
2013	kinds
1113	call
2717	chance
2006	false
4991	view
1404	heard
2580	forest
1224	cut
3633	vegetation
5788	springs
2202	observed
4347	ancient
3228	indian
6561	ruins
4097	southern
124	united
125	states
2647	formerly
622	cleared
1377	trees
1566	display
541	beautiful
7466	diversity
537	proportion
2013	kinds
4147	surrounding
5073	virgin
1268	forests
3075	struggle
3410	gone
7736	centuries
2013	kinds
1377	trees
5205	annually
3960	scattering
620	seeds
496	thousand
4768	war
1083	insect
1083	insect
1699	insects
3565	snails
293	animals
294	birds
7127	beasts
332	prey
12142	striving
2764	increase
964	feeding
1377	trees
620	seeds
18300	seedlings
447	plants
7723	clothed
626	ground
659	thus
2757	checked
298	growth
1377	trees
1626	throw
632	handful
741	feathers
776	fall
626	ground
1123	according
893	definite
509	laws
515	simple
3379	problem
1565	where
776	fall
894	compared
469	action
6370	reaction
602	innumerable
447	plants
293	animals
5865	determined
954	course
7736	centuries
22528	proportional
1159	numbers
2013	kinds
1377	trees
1832	growing
359	old
3228	indian
6561	ruins
37845	dependency
21627	organic
6493	parasite
332	prey
468	lies
1538	generally
1021	beings
4174	remote
1028	scale
439	nature
2331	case
6020	strictly
867	said
3075	struggle
844	existence
2331	case
3185	locusts
2416	grass
964	feeding
7260	quadrupeds
3075	struggle
1454	invariably
3612	severe
2142	individuals
1330	species
2829	frequent
3362	districts
1641	require
966	food
4079	exposed
1286	dangers
2331	case
2149	varieties
1330	species
3075	struggle
1538	generally
3209	equally
3612	severe
486	see
2557	contest
2161	decided
3282	instance
2149	varieties
603	wheat
944	sown
633	mixed
732	seed
67289	resown
2149	varieties
1117	suit
605	soil
4168	climate
1683	naturally
7902	fertile
1107	beat
1025	others
12343	yield
732	seed
5341	consequently
436	years
19368	supplant
2149	varieties
823	keep
633	mixed
3020	stock
2232	extremely
2149	varieties
7994	variously
3288	coloured
5491	sweet
6059	peas
2658	year
5262	harvested
2242	separately
732	seed
633	mixed
384	due
537	proportion
3808	weaker
2013	kinds
8180	steadily
21472	decrease
2554	number
1088	disappear
2149	varieties
3885	sheep
1709	asserted
4464	mountain
2149	varieties
3176	starve
4464	mountain
2149	varieties
984	kept
1363	result
1189	followed
1509	keeping
2149	varieties
18429	medicinal
27218	leech
1560	doubted
2149	varieties
2897	domestic
447	plants
293	animals
2153	exactly
1431	strength
1240	habits
1948	constitution
493	original
814	proportions
633	mixed
3020	stock
5793	crossing
5183	prevented
984	kept
1328	half
1329	dozen
2811	generations
667	allowed
3075	struggle
1296	manner
1021	beings
1032	state
439	nature
732	seed
21	young
5205	annually
6438	preserved
384	due
537	proportion
3075	struggle
74	life
3612	severe
2142	individuals
2149	varieties
1330	species
1330	species
2434	genus
553	means
1454	invariably
2460	similarity
1240	habits
1948	constitution
679	structure
3075	struggle
1538	generally
3612	severe
1070	come
17513	competition
1330	species
2115	distinct
6233	genera
486	see
2405	recent
6069	extension
748	parts
124	united
125	states
1330	species
3898	swallow
4377	caused
21472	decrease
1330	species
2405	recent
2764	increase
59886	missel
4613	thrush
748	parts
20243	scotland
4377	caused
21472	decrease
572	song
4613	thrush
1365	frequently
550	hear
1330	species
7559	rat
900	taking
1216	place
1330	species
21201	climates
8468	russia
1332	asiatic
67000	cockroach
5525	everywhere
7096	driven
790	great
2457	congener
3225	australia
17305	imported
5866	hive
3942	bee
3170	rapidly
13388	exterminating
67290	stingless
2268	native
3942	bee
1330	species
67291	charlock
664	known
19368	supplant
1330	species
2643	cases
9950	dimly
486	see
876	why
17513	competition
3612	severe
797	allied
2162	forms
3055	fill
813	nearly
1216	place
2876	economy
439	nature
2331	case
2409	precisely
548	say
876	why
1330	species
13904	victorious
790	great
3064	battle
74	life
17307	corollary
2041	highest
795	importance
37756	deduced
5213	foregoing
2086	remarks
7117	namely
679	structure
21627	organic
592	related
852	essential
3852	hidden
1296	manner
21627	organic
1021	beings
2637	comes
17513	competition
966	food
6703	residence
1157	escape
7253	preys
799	obvious
679	structure
1225	teeth
52226	talons
3641	tiger
743	legs
4078	claws
6493	parasite
8551	clings
1821	hair
3641	tiger
739	body
5797	beautifully
67268	plumed
732	seed
5773	dandelion
3741	flattened
14241	fringed
743	legs
635	water
3758	beetle
313	relation
1193	seems
5200	confined
808	elements
821	air
635	water
3092	advantage
67268	plumed
620	seeds
3896	doubt
1310	stands
15800	closest
313	relation
274	land
2495	thickly
7723	clothed
447	plants
620	seeds
2585	widely
47	distributed
776	fall
34873	unoccupied
626	ground
635	water
3758	beetle
679	structure
743	legs
4233	adapted
49509	diving
24517	allows
21137	compete
3298	aquatic
1699	insects
5133	hunt
332	prey
1157	escape
1873	serving
332	prey
293	animals
6006	store
2014	nutriment
1185	laid
620	seeds
447	plants
1193	seems
3311	sight
802	sort
313	relation
447	plants
2341	strong
298	growth
21	young
447	plants
40	produced
620	seeds
6059	peas
11825	beans
944	sown
2416	grass
4199	suspected
86	chief
7	use
2014	nutriment
732	seed
9755	favour
298	growth
18300	seedlings
5707	struggling
447	plants
1832	growing
7276	vigorously
1851	look
621	plant
443	range
876	why
2169	double
56979	quadruple
1159	numbers
420	know
1323	perfectly
3609	withstand
3441	heat
634	cold
41484	dampness
21964	dryness
3468	elsewhere
4473	ranges
1495	slightly
24328	hotter
22367	colder
15440	damper
11305	drier
3362	districts
2331	case
2751	clearly
486	see
6119	wish
457	imagination
13	give
621	plant
1627	power
2767	increasing
1159	numbers
13	give
3092	advantage
7290	competitors
293	animals
332	prey
1946	confines
2426	geographical
443	range
889	change
1948	constitution
968	respect
4168	climate
2751	clearly
3092	advantage
621	plant
1765	reason
5363	believe
447	plants
293	animals
443	range
2797	destroyed
842	exclusively
52190	rigour
4168	climate
4599	reach
1176	extreme
1946	confines
74	life
8336	arctic
1282	regions
3890	borders
3458	utter
3361	desert
17513	competition
5420	cease
274	land
2232	extremely
634	cold
715	dry
17513	competition
1330	species
2142	individuals
1330	species
8921	warmest
67292	dampest
3651	spots
2289	hence
486	see
621	plant
67	animal
750	placed
1093	country
7290	competitors
539	conditions
74	life
1538	generally
1086	changed
852	essential
1296	manner
4168	climate
2153	exactly
116	former
1902	average
1159	numbers
2764	increase
22599	modify
2268	native
1093	country
13	give
3092	advantage
36	set
7290	competitors
2029	enemies
1205	good
659	thus
6596	try
457	imagination
13	give
1330	species
3092	advantage
2168	single
3282	instance
420	know
6743	convince
9899	ignorance
4187	mutual
501	relations
21627	organic
1021	beings
10687	conviction
485	necessary
1242	difficult
2348	acquire
823	keep
8180	steadily
2443	mind
21627	organic
12142	striving
2764	increase
6121	geometrical
41837	ratio
2772	period
74	life
2923	season
2658	year
1246	generation
3213	intervals
3075	struggle
74	life
7623	suffer
790	great
3894	destruction
9885	reflect
3075	struggle
14421	console
498	full
5542	belief
4768	war
439	nature
3160	incessant
4098	fear
2452	felt
2058	death
1538	generally
15558	prompt
6448	vigorous
3816	healthy
3465	happy
2732	survive
3169	multiply
2851	chapter
254	iv
4	natural
6819	selection
33005	survival
35457	fittest
4	natural
6819	selection
1627	power
894	compared
303	man
6819	selection
1627	power
7165	characters
6280	trifling
795	importance
1627	power
5050	ages
4342	sexes
8601	sexual
6819	selection
13563	generality
67142	intercrosses
2142	individuals
1330	species
2364	circumstances
14207	favourable
11423	unfavourable
5065	results
4	natural
6819	selection
7117	namely
67060	intercrossing
36209	isolation
2554	number
2142	individuals
1818	slow
469	action
20063	extinction
4377	caused
4	natural
6819	selection
46257	divergence
35	character
592	related
7466	diversity
6224	inhabitants
2433	area
58782	naturalisation
469	action
4	natural
6819	selection
46257	divergence
35	character
20063	extinction
8275	descendants
733	common
2955	parent
1023	explains
46250	grouping
21627	organic
1021	beings
2814	advance
12920	organisation
1788	low
2162	forms
6438	preserved
67143	convergence
35	character
3993	indefinite
16839	multiplication
1330	species
22545	summary
3075	struggle
844	existence
5010	briefly
11363	discussed
2851	chapter
1178	act
6812	regard
2174	variation
1151	principle
6819	selection
417	seen
12787	potent
643	hands
303	man
477	apply
439	nature
1260	think
486	see
1178	act
17492	efficiently
1506	let
23231	endless
2554	number
972	slight
6816	variations
2143	individual
2147	differences
6577	occurring
2897	domestic
26943	productions
7536	lesser
2069	degree
439	nature
2442	borne
2443	mind
1431	strength
33003	hereditary
2424	tendency
2345	domestication
3138	truly
867	said
12920	organisation
762	becomes
2069	degree
41336	plastic
2122	variability
20962	universally
2188	meet
2897	domestic
26943	productions
40	produced
49806	hooker
42272	asa
2497	gray
6129	remarked
303	man
11597	originate
2149	varieties
4971	prevent
2645	occurrence
1518	preserve
7414	accumulate
1798	occur
37005	unintentionally
52855	exposes
21627	organic
1021	beings
2615	changing
539	conditions
74	life
2122	variability
5264	ensues
706	similar
952	changes
539	conditions
1798	occur
439	nature
1506	let
2442	borne
2443	mind
12240	infinitely
6319	complex
3818	fitting
4187	mutual
501	relations
21627	organic
1021	beings
6151	physical
539	conditions
74	life
5341	consequently
12240	infinitely
2137	varied
37793	diversities
679	structure
7	use
2615	changing
539	conditions
74	life
1672	thought
5622	improbable
1751	seeing
6816	variations
5124	useful
303	man
2825	undoubtedly
7767	occurred
6816	variations
5124	useful
790	great
6319	complex
3064	battle
74	life
1798	occur
954	course
3697	successive
2811	generations
1798	occur
3896	doubt
5699	remembering
2142	individuals
1140	born
3333	possibly
2732	survive
2142	individuals
3092	advantage
972	slight
1025	others
2717	chance
8721	surviving
67293	procreating
958	kind
418	hand
1190	feel
2174	variation
2069	degree
3892	injurious
37804	rigidly
2797	destroyed
13231	preservation
14207	favourable
2143	individual
2147	differences
6816	variations
3894	destruction
3892	injurious
661	called
4	natural
6819	selection
33005	survival
35457	fittest
6816	variations
5124	useful
3892	injurious
5522	affected
4	natural
6819	selection
16254	fluctuating
452	element
486	see
67241	polymorphic
1330	species
7745	ultimately
644	become
604	fixed
3357	owing
439	nature
22183	organism
439	nature
539	conditions
7305	writers
67294	misapprehended
8387	objected
2481	term
4	natural
6819	selection
1548	imagined
4	natural
6819	selection
22573	induces
2122	variability
5343	implies
13231	preservation
6816	variations
5952	arise
3880	beneficial
539	conditions
74	life
502	objects
44334	agriculturists
2755	speaking
12787	potent
17321	effects
303	man
6819	selection
2331	case
2143	individual
2147	differences
1510	given
439	nature
303	man
1661	object
23764	selects
4072	necessity
1798	occur
1025	others
8387	objected
2481	term
6819	selection
5343	implies
6727	conscious
3045	choice
293	animals
644	become
6124	modified
1504	urged
447	plants
7037	volition
4	natural
6819	selection
9433	applicable
3634	literal
2096	sense
2472	word
3896	doubt
4	natural
6819	selection
2006	false
2481	term
8387	objected
11692	chemists
2755	speaking
50127	elective
43973	affinities
6	various
808	elements
922	acid
6020	strictly
867	said
9486	elect
1779	base
5338	preference
27895	combines
867	said
2842	speak
4	natural
6819	selection
735	active
1627	power
39172	deity
502	objects
26	author
2755	speaking
12390	attraction
5760	gravity
20870	ruling
1574	movements
26178	planets
965	knows
2074	meant
6840	implied
56638	metaphorical
10110	expressions
485	necessary
12766	brevity
1242	difficult
1700	avoid
59602	personifying
2472	word
439	nature
2725	mean
439	nature
23117	aggregate
469	action
19308	product
4	natural
509	laws
509	laws
37809	sequence
6631	events
7656	ascertained
7492	familiarity
7670	superficial
23735	objections
8214	forgotten
5860	understand
855	probable
954	course
4	natural
6819	selection
900	taking
2331	case
1093	country
14933	undergoing
972	slight
6151	physical
889	change
3282	instance
4168	climate
22528	proportional
1159	numbers
6224	inhabitants
3128	undergo
889	change
1330	species
644	become
3469	extinct
4410	conclude
417	seen
11519	intimate
6319	complex
1296	manner
6224	inhabitants
1093	country
1165	bound
889	change
35655	numerical
814	proportions
6224	inhabitants
3421	independently
889	change
4168	climate
15980	seriously
1959	affect
1025	others
1093	country
3890	borders
2162	forms
1438	certainly
67295	immigrate
15980	seriously
6713	disturb
501	relations
116	former
6224	inhabitants
1506	let
791	remembered
1439	powerful
5076	influence
2168	single
6389	introduced
492	tree
66181	mammal
807	shown
2331	case
5048	island
1093	country
1993	partly
3540	surrounded
13370	barriers
4233	adapted
2162	forms
2526	freely
874	enter
1184	places
2876	economy
439	nature
10576	assuredly
4987	filled
493	original
6224	inhabitants
1296	manner
6124	modified
2433	area
24741	immigration
1184	places
1645	seized
32739	intruders
2643	cases
972	slight
8343	modifications
9629	favoured
2142	individuals
1330	species
6775	adapting
5754	altered
539	conditions
5421	tend
6438	preserved
4	natural
6819	selection
2000	free
21438	scope
558	work
11299	improvement
1205	good
1765	reason
5363	believe
807	shown
2851	chapter
952	changes
539	conditions
74	life
13	give
2424	tendency
5105	increased
2122	variability
5213	foregoing
2643	cases
539	conditions
1086	changed
6083	manifestly
14207	favourable
4	natural
6819	selection
6665	affording
2717	chance
2645	occurrence
12100	profitable
6816	variations
1798	occur
4	natural
6819	selection
2481	term
6816	variations
8214	forgotten
2116	mere
2143	individual
2147	differences
16	included
303	man
887	produce
790	great
1363	result
2897	domestic
293	animals
447	plants
529	adding
1510	given
2073	direction
2143	individual
2147	differences
4	natural
6819	selection
941	easily
33207	incomparably
2543	longer
607	time
469	action
5363	believe
790	great
6151	physical
889	change
4168	climate
2314	unusual
2069	degree
36209	isolation
5066	check
24741	immigration
485	necessary
534	order
34873	unoccupied
1184	places
4	natural
6819	selection
3055	fill
10400	improving
6422	varying
6224	inhabitants
6224	inhabitants
1093	country
5707	struggling
10000	nicely
5146	balanced
5484	forces
2232	extremely
972	slight
8343	modifications
679	structure
1240	habits
1330	species
13	give
3092	advantage
1025	others
1012	further
8343	modifications
958	kind
1012	further
2764	increase
3092	advantage
1330	species
649	continued
539	conditions
74	life
33742	profited
706	similar
553	means
3171	subsistence
2084	defence
1093	country
7312	named
2268	native
6224	inhabitants
1323	perfectly
4233	adapted
6151	physical
539	conditions
1653	live
4233	adapted
7729	improved
7142	countries
1290	natives
8267	conquered
58855	naturalised
26943	productions
667	allowed
13993	foreigners
953	take
1872	firm
1453	possession
274	land
13993	foreigners
659	thus
1093	country
765	beaten
1290	natives
1218	safely
4410	conclude
1290	natives
6124	modified
3092	advantage
15329	resisted
32739	intruders
303	man
887	produce
1438	certainly
40	produced
790	great
1363	result
3964	methodical
5479	unconscious
553	means
6819	selection
4	natural
6819	selection
5087	effect
303	man
1178	act
2146	external
3550	visible
7165	characters
439	nature
667	allowed
67296	personify
4	natural
13231	preservation
33005	survival
35457	fittest
4335	cares
11246	appearances
5124	useful
1178	act
3013	internal
1412	organ
3679	shade
32094	constitutional
2178	difference
17234	machinery
74	life
303	man
23764	selects
1205	good
439	nature
580	tends
285	selected
35	character
2536	fully
14249	exercised
6840	implied
714	fact
6819	selection
303	man
1462	keeps
1290	natives
21201	climates
1093	country
2322	seldom
11381	exercises
285	selected
35	character
1567	peculiar
3818	fitting
1296	manner
1171	feeds
48144	beaked
2869	pigeon
966	food
1766	exercise
10856	backed
1486	legged
7068	quadruped
1567	peculiar
1296	manner
52855	exposes
3885	sheep
4142	wool
4168	climate
5278	allow
6448	vigorous
1806	males
3075	struggle
1710	females
37804	rigidly
2244	destroy
1041	inferior
293	animals
8781	protects
6422	varying
2923	season
468	lies
1627	power
26943	productions
1030	begins
6819	selection
1328	half
11161	monstrous
838	form
973	modification
2500	prominent
2104	catch
1315	eye
3733	plainly
5124	useful
439	nature
1614	slightest
2147	differences
679	structure
1948	constitution
1697	turn
10000	nicely
5146	balanced
1028	scale
3075	struggle
74	life
6438	preserved
15942	fleeting
1975	wishes
4819	efforts
303	man
607	time
5341	consequently
3255	poor
5065	results
894	compared
7673	accumulated
439	nature
6220	geological
843	periods
296	wonder
439	nature
26943	productions
24371	truer
35	character
303	man
26943	productions
12240	infinitely
4233	adapted
6319	complex
539	conditions
74	life
3733	plainly
1969	bear
19780	stamp
1027	higher
19768	workmanship
15616	metaphorically
867	said
4	natural
6819	selection
4542	daily
27780	hourly
51649	scrutinising
535	world
1614	slightest
6816	variations
33486	rejecting
2066	bad
39783	preserving
529	adding
1205	good
7237	silently
15352	insensibly
4814	working
3168	wherever
1478	opportunity
8417	offers
11299	improvement
21627	organic
313	relation
21627	organic
8500	inorganic
539	conditions
74	life
486	see
1818	slow
952	changes
1528	progress
418	hand
607	time
437	marked
6735	lapse
5050	ages
8027	imperfect
4991	view
6220	geological
5050	ages
486	see
2162	forms
74	life
2647	formerly
534	order
790	great
2719	amount
973	modification
1531	effected
1330	species
4463	variety
981	formed
6882	interval
607	time
847	vary
2143	individual
2147	differences
14207	favourable
439	nature
6438	preserved
5257	onward
1556	step
1556	step
1751	seeing
2143	individual
2147	differences
958	kind
14203	perpetually
8710	recur
2709	hardly
2092	considered
67297	unwarrantable
892	assumption
5210	judge
1751	seeing
26614	hypothesis
59309	accords
1023	explains
915	general
445	phenomena
439	nature
418	hand
1264	ordinary
5542	belief
2719	amount
2174	variation
6020	strictly
5045	limited
702	quantity
515	simple
892	assumption
4	natural
6819	selection
1178	act
1205	good
7165	characters
4560	structures
4583	apt
5191	consider
6280	trifling
795	importance
659	thus
5751	acted
486	see
334	leaf
4036	eating
1699	insects
880	green
3417	bark
5739	feeders
4250	mottled
10211	grey
33918	alpine
8338	ptarmigan
411	white
309	winter
3760	red
3833	grouse
9916	colour
9038	heather
5363	believe
4437	tints
5228	service
294	birds
1699	insects
39783	preserving
1470	danger
3833	grouse
2797	destroyed
2772	period
1002	lives
2764	increase
3359	countless
1159	numbers
664	known
7623	suffer
4596	largely
294	birds
332	prey
4101	hawks
425	guided
38927	eyesight
332	prey
748	parts
6973	continent
4858	persons
12624	warned
823	keep
411	white
4324	pigeons
4608	liable
3894	destruction
2289	hence
4	natural
6819	selection
5845	effective
1638	giving
514	proper
9916	colour
958	kind
3833	grouse
1509	keeping
9916	colour
1601	acquired
3137	constant
1260	think
2255	occasional
3894	destruction
67	animal
2917	particular
9916	colour
887	produce
5087	effect
3198	remember
852	essential
5593	flock
411	white
3885	sheep
2244	destroy
15145	lamb
16561	faintest
905	trace
410	black
417	seen
9916	colour
4029	hogs
2821	feed
15361	paint
611	root
3834	virginia
1890	determines
1653	live
872	die
447	plants
589	fruit
9916	colour
779	flesh
2092	considered
17403	botanists
7165	characters
6280	trifling
795	importance
550	hear
1447	excellent
5557	horticulturist
36143	downing
124	united
125	states
2134	smooth
8720	skinned
2614	fruits
7623	suffer
3758	beetle
55120	curculio
4166	purple
18849	plums
7623	suffer
5306	disease
402	yellow
18849	plums
5306	disease
3112	attacks
402	yellow
67298	fleshed
11435	peaches
3288	coloured
779	flesh
5284	aids
201	art
972	slight
2147	differences
473	make
790	great
2178	difference
5059	cultivating
2149	varieties
10576	assuredly
1032	state
439	nature
1565	where
1377	trees
3075	struggle
1377	trees
8217	host
2029	enemies
2147	differences
8681	effectually
7489	settle
4463	variety
2134	smooth
4246	downy
402	yellow
4166	purple
67298	fleshed
589	fruit
2415	succeed
3035	looking
2438	points
2178	difference
1330	species
9899	ignorance
2601	permits
5210	judge
1125	seem
17086	unimportant
4264	forget
4168	climate
966	food
197	etc
3896	doubt
40	produced
1304	direct
5087	effect
485	necessary
1969	bear
2443	mind
3357	owing
3174	law
67173	correlation
839	part
2172	varies
6816	variations
7673	accumulated
4	natural
6819	selection
8343	modifications
5871	unexpected
439	nature
16539	ensue
486	see
6816	variations
2345	domestication
860	appear
2917	particular
2772	period
74	life
5421	tend
14156	reappear
1814	offspring
2772	period
3282	instance
830	shape
885	size
10066	flavour
620	seeds
2149	varieties
3192	culinary
21712	agricultural
447	plants
3617	caterpillar
3509	cocoon
3429	stages
2149	varieties
55560	silkworm
753	eggs
5176	poultry
9916	colour
2856	chickens
16654	horns
3885	sheep
4989	cattle
813	nearly
1825	adult
1032	state
439	nature
4	natural
6819	selection
3358	enabled
1178	act
22599	modify
21627	organic
1021	beings
1829	age
4302	accumulation
6816	variations
12100	profitable
1829	age
1200	inheritance
7029	corresponding
1829	age
9519	profit
621	plant
620	seeds
2585	widely
21575	disseminated
7640	wind
486	see
731	greater
2125	difficulty
1531	effected
4	natural
6819	selection
4191	cotton
21242	planter
2767	increasing
10400	improving
6819	selection
6205	pods
4191	cotton
1377	trees
4	natural
6819	selection
22599	modify
6828	adapt
3639	larva
1083	insect
4543	score
38825	contingencies
716	wholly
4420	concern
3331	mature
1083	insect
8343	modifications
1959	affect
67173	correlation
679	structure
1825	adult
34682	conversely
8343	modifications
1825	adult
1959	affect
679	structure
3639	larva
2643	cases
4	natural
6819	selection
6447	ensure
3892	injurious
1330	species
644	become
3469	extinct
4	natural
6819	selection
22599	modify
679	structure
21	young
313	relation
2955	parent
2955	parent
313	relation
21	young
4311	social
293	animals
6828	adapt
679	structure
2143	individual
5125	benefit
2562	community
2562	community
9432	profits
285	selected
889	change
4	natural
6819	selection
22599	modify
679	structure
1330	species
1638	giving
3092	advantage
1205	good
1330	species
1780	statements
5087	effect
670	found
918	works
4	natural
5	history
540	find
2331	case
1969	bear
5211	investigation
679	structure
67	animal
74	life
795	importance
6124	modified
1341	extent
4	natural
6819	selection
3282	instance
790	great
2061	jaws
1393	possessed
1699	insects
842	exclusively
3576	opening
3509	cocoon
5623	tip
318	beak
67299	unhatched
294	birds
2039	breaking
753	eggs
1709	asserted
48144	beaked
7262	tumbler
4324	pigeons
731	greater
2554	number
4974	perish
683	egg
1172	able
919	get
64576	fanciers
1459	assist
1178	act
3129	hatching
439	nature
473	make
318	beak
498	full
2810	grown
2869	pigeon
321	bird
3092	advantage
648	process
973	modification
1818	slow
1526	simultaneously
22593	rigorous
6819	selection
21	young
294	birds
683	egg
1439	powerful
13642	hardest
2883	beaks
2193	weak
2883	beaks
6009	inevitably
4974	perish
1053	delicate
941	easily
1673	broken
488	shells
285	selected
4056	thickness
664	known
847	vary
679	structure
2447	remark
1021	beings
25852	fortuitous
3894	destruction
5076	influence
954	course
4	natural
6819	selection
3282	instance
1434	vast
2554	number
753	eggs
620	seeds
5205	annually
975	devoured
6124	modified
4	natural
6819	selection
2137	varied
1296	manner
4228	protected
2029	enemies
753	eggs
620	seeds
2797	destroyed
7784	yielded
2142	individuals
4233	adapted
539	conditions
74	life
5248	happened
2732	survive
1434	vast
2554	number
3331	mature
293	animals
447	plants
4233	adapted
539	conditions
5205	annually
2797	destroyed
4983	accidental
6065	causes
2069	degree
34165	mitigated
952	changes
679	structure
1948	constitution
446	ways
3880	beneficial
1330	species
1506	let
3894	destruction
3947	adults
4309	heavy
2554	number
875	exist
5738	district
716	wholly
984	kept
6065	causes
1506	let
3894	destruction
753	eggs
620	seeds
790	great
23714	hundredth
47428	thousandth
839	part
946	developed
2732	survive
4233	adapted
2142	individuals
2122	variability
14207	favourable
2073	direction
5421	tend
18389	propagate
958	kind
712	larger
1159	numbers
4233	adapted
1159	numbers
716	wholly
984	kept
6065	causes
7735	indicated
2331	case
4	natural
6819	selection
6511	powerless
3880	beneficial
5367	directions
17341	valid
12367	objection
5395	efficiency
884	times
446	ways
1765	reason
2309	suppose
1330	species
3128	undergo
973	modification
11299	improvement
607	time
2433	area
8601	sexual
6819	selection
14435	inasmuch
1197	peculiarities
860	appear
2345	domestication
2553	sex
644	become
35226	hereditarily
615	attached
2553	sex
3896	doubt
439	nature
659	thus
655	rendered
4342	sexes
6124	modified
4	natural
6819	selection
313	relation
1240	habits
74	life
2331	case
2553	sex
6124	modified
313	relation
2553	sex
1561	commonly
1787	occurs
1013	leads
548	say
523	words
661	called
8601	sexual
6819	selection
838	form
6819	selection
5261	depends
3075	struggle
844	existence
313	relation
21627	organic
1021	beings
2146	external
539	conditions
3075	struggle
2142	individuals
2553	sex
1538	generally
1806	males
1453	possession
2553	sex
1363	result
2058	death
6307	unsuccessful
23499	competitor
1814	offspring
8601	sexual
6819	selection
834	therefore
22593	rigorous
4	natural
6819	selection
1538	generally
6448	vigorous
1806	males
979	fitted
1184	places
439	nature
2026	leave
3950	progeny
2643	cases
13742	victory
5261	depends
915	general
12111	vigour
2082	weapons
5200	confined
1183	male
2553	sex
64136	hornless
33699	stag
67300	spurless
3207	cock
3255	poor
2717	chance
3428	leaving
2552	numerous
1814	offspring
8601	sexual
6819	selection
4928	allowing
6170	victor
4602	breed
6432	surely
13	give
33820	indomitable
4860	courage
1758	length
9117	spur
1431	strength
3875	wing
3761	strike
22537	spurred
1481	leg
813	nearly
1296	manner
20731	brutal
67301	cockfighter
805	careful
6819	selection
8330	cocks
1788	low
1028	scale
439	nature
3174	law
3064	battle
1865	descends
420	know
1183	male
3451	alligators
2395	described
3059	fighting
54149	bellowing
8804	whirling
7121	indians
4768	war
3917	dance
1453	possession
1710	females
1183	male
67302	salmons
2202	observed
3059	fighting
967	day
1183	male
33699	stag
3654	beetles
1969	bear
7311	wounds
2549	huge
6274	mandibles
1806	males
1806	males
67303	hymenopterous
1699	insects
1365	frequently
417	seen
28267	inimitable
1448	observer
6222	fabre
3059	fighting
2917	particular
1688	female
1848	sits
2022	apparently
39626	unconcerned
4915	beholder
3075	struggle
3322	retires
6361	conqueror
4768	war
47592	severest
1806	males
3289	polygamous
293	animals
1125	seem
28170	oftenest
2082	weapons
1806	males
2343	carnivorous
293	animals
2926	armed
1025	others
553	means
2084	defence
1510	given
553	means
8601	sexual
6819	selection
9111	mane
8318	lion
7219	hooked
2223	jaw
1183	male
17032	salmon
585	shield
13742	victory
10769	sword
14525	spear
294	birds
2557	contest
6745	peaceful
35	character
5192	attended
427	subject
5363	believe
47592	severest
34597	rivalry
1806	males
1330	species
1732	attract
4427	singing
1710	females
3146	rock
4613	thrush
3391	guiana
294	birds
20656	paradise
1025	others
5695	congregate
3697	successive
1806	males
1566	display
1767	elaborate
1237	care
1725	show
1296	manner
11619	gorgeous
4289	plumage
6633	perform
305	strange
7080	antics
1710	females
2284	standing
10594	spectators
9069	choose
432	attractive
2975	partner
796	closely
5192	attended
294	birds
7465	confinement
420	know
953	take
2143	individual
27901	preferences
51235	dislikes
659	thus
322	sir
32257	heron
2395	described
36541	pied
58787	peacock
1540	eminently
432	attractive
751	hen
294	birds
874	enter
485	necessary
6559	details
303	man
607	time
13	give
3920	beauty
7070	elegant
10642	carriage
67304	bantams
1123	according
1124	standard
3920	beauty
486	see
1205	good
1765	reason
3896	doubt
1688	female
294	birds
421	selecting
2714	thousands
2811	generations
14797	melodious
541	beautiful
1806	males
1123	according
1124	standard
3920	beauty
887	produce
437	marked
5087	effect
664	known
509	laws
968	respect
4289	plumage
1183	male
1688	female
294	birds
2675	comparison
4289	plumage
21	young
1993	partly
8494	explained
469	action
8601	sexual
6819	selection
6816	variations
6577	occurring
5050	ages
7954	transmitted
1806	males
4342	sexes
7029	corresponding
5050	ages
1057	space
874	enter
427	subject
659	thus
5363	believe
1806	males
1710	females
67	animal
915	general
1240	habits
74	life
994	differ
679	structure
9916	colour
10940	ornament
2147	differences
3180	mainly
4377	caused
8601	sexual
6819	selection
2143	individual
1806	males
3697	successive
2811	generations
972	slight
3092	advantage
1806	males
2082	weapons
553	means
2084	defence
5811	charms
7954	transmitted
1183	male
1814	offspring
6119	wish
7016	attribute
8601	sexual
2147	differences
7200	agency
486	see
2897	domestic
293	animals
1197	peculiarities
3262	arising
3504	becoming
615	attached
1183	male
2553	sex
2022	apparently
34598	augmented
6819	selection
303	man
4141	tuft
1821	hair
2960	breast
343	wild
4366	turkey
3207	cock
7	use
7308	doubtful
5774	ornamental
1740	eyes
1688	female
321	bird
815	indeed
4141	tuft
886	appeared
2345	domestication
661	called
2874	monstrosity
292	illustrations
469	action
4	natural
6819	selection
33005	survival
35457	fittest
534	order
473	make
431	clear
5363	believe
4	natural
6819	selection
2684	acts
10137	beg
389	permission
13	give
5182	imaginary
292	illustrations
1506	let
953	take
2331	case
4089	wolf
7253	preys
6	various
293	animals
6875	securing
12485	craft
1431	strength
67232	fleetness
1506	let
2309	suppose
67305	fleetest
332	prey
2742	deer
3282	instance
889	change
1093	country
5105	increased
1159	numbers
332	prey
7799	decreased
1159	numbers
2923	season
2658	year
4089	wolf
13642	hardest
3403	pressed
966	food
2364	circumstances
59131	swiftest
67306	slimmest
9109	wolves
2717	chance
8721	surviving
6438	preserved
285	selected
8434	retained
1431	strength
3398	master
332	prey
2772	period
2658	year
7373	compelled
332	prey
293	animals
486	see
1765	reason
3896	doubt
1363	result
303	man
1172	able
7716	improve
67232	fleetness
59182	greyhounds
805	careful
3964	methodical
6819	selection
958	kind
5479	unconscious
6819	selection
5322	follows
303	man
3150	trying
823	keep
5673	dogs
1672	thought
40741	modifying
4602	breed
2976	add
1123	according
390	mr
6141	pierce
2149	varieties
4089	wolf
4044	inhabiting
49511	catskill
1791	mountains
124	united
125	states
3104	light
65262	greyhound
838	form
26113	pursues
2742	deer
1442	bulky
1350	shorter
743	legs
1365	frequently
3112	attacks
5672	shepherd
5117	flocks
889	change
22528	proportional
1159	numbers
293	animals
4089	wolf
8774	preyed
41450	cub
1140	born
27594	innate
2424	tendency
12526	pursue
2013	kinds
332	prey
1672	thought
5622	improbable
1635	observe
790	great
2147	differences
4	natural
8725	tendencies
2897	domestic
293	animals
3423	cat
3282	instance
900	taking
2104	catch
8864	rats
2827	mice
3423	cat
1123	according
390	mr
6536	st
128	john
2529	bringing
3830	winged
5299	game
12689	hares
2828	rabbits
3466	hunting
13239	marshy
626	ground
14185	nightly
5807	catching
58796	woodcocks
67307	snipes
2424	tendency
2104	catch
8864	rats
2827	mice
664	known
6959	inherited
972	slight
27594	innate
889	change
479	habit
679	structure
24871	benefited
2143	individual
4089	wolf
2717	chance
8721	surviving
3428	leaving
1814	offspring
21	young
52462	inherit
1240	habits
679	structure
6839	repetition
648	process
4463	variety
981	formed
19368	supplant
60912	coexist
2955	parent
838	form
4089	wolf
9109	wolves
4044	inhabiting
2649	mountainous
5738	district
19814	frequenting
22908	lowlands
1683	naturally
7901	forced
5133	hunt
332	prey
649	continued
13231	preservation
2142	individuals
979	fitted
40355	sites
2149	varieties
1833	slowly
981	formed
2149	varieties
6474	cross
20833	blend
1565	where
1808	met
427	subject
67060	intercrossing
578	return
2976	add
1123	according
390	mr
6141	pierce
2149	varieties
4089	wolf
4044	inhabiting
49511	catskill
1791	mountains
124	united
125	states
3104	light
65262	greyhound
838	form
26113	pursues
2742	deer
1442	bulky
1350	shorter
743	legs
1365	frequently
3112	attacks
5672	shepherd
5117	flocks
2202	observed
288	illustration
2842	speak
67306	slimmest
2143	individual
9109	wolves
2168	single
800	strongly
437	marked
2174	variation
6438	preserved
116	former
9358	editions
558	work
1759	spoke
2330	latter
25942	alternative
1365	frequently
7767	occurred
338	saw
790	great
795	importance
2143	individual
2147	differences
441	led
2536	fully
11962	discuss
5065	results
5479	unconscious
6819	selection
303	man
5261	depends
13231	preservation
7259	valuable
2142	individuals
3894	destruction
3563	worst
338	saw
13231	preservation
1032	state
439	nature
2255	occasional
40143	deviation
679	structure
2874	monstrosity
1875	rare
4770	event
6438	preserved
1538	generally
465	lost
2440	subsequent
67060	intercrossing
1264	ordinary
2142	individuals
381	reading
1172	able
7259	valuable
2893	article
2278	north
5732	british
18872	review
3517	appreciate
1373	rarely
2168	single
6816	variations
972	slight
800	strongly
437	marked
6894	perpetuated
26	author
878	takes
2331	case
2762	pair
293	animals
5922	producing
9831	lifetime
408	hundred
1814	offspring
6	various
6065	causes
3894	destruction
1902	average
2732	survive
5184	pro
581	create
958	kind
1176	extreme
3119	estimate
1027	higher
293	animals
553	means
1879	lower
21525	organisms
2201	shows
2168	single
2143	individual
1140	born
2137	varied
1296	manner
1638	giving
1735	twice
1205	good
2717	chance
74	life
2142	individuals
1084	chances
800	strongly
33005	survival
2732	survive
4602	breed
1328	half
21	young
6959	inherited
14207	favourable
2174	variation
67308	reviewer
478	goes
1725	show
21	young
1495	slightly
2717	chance
8721	surviving
3338	breeding
2717	chance
1824	go
21718	decreasing
3343	succeeding
2811	generations
2441	justice
2086	remarks
1260	think
18503	disputed
3282	instance
321	bird
958	kind
19184	procure
966	food
941	easily
318	beak
1991	curved
1140	born
318	beak
800	strongly
1991	curved
5341	consequently
9180	flourished
3255	poor
2717	chance
2143	individual
6803	perpetuating
958	kind
9495	exclusion
733	common
838	form
2709	hardly
3896	doubt
7806	judging
486	see
900	taking
1216	place
2345	domestication
1363	result
5123	follow
13231	preservation
2811	generations
2554	number
2142	individuals
800	strongly
1991	curved
2883	beaks
3894	destruction
712	larger
2554	number
67309	straightest
2883	beaks
2819	overlooked
800	strongly
437	marked
6816	variations
1570	rank
2116	mere
2143	individual
2147	differences
1365	frequently
8710	recur
3357	owing
706	similar
12920	organisation
7062	similarly
5751	acted
714	fact
2552	numerous
2746	instances
1510	given
2897	domestic
26943	productions
2643	cases
6422	varying
2143	individual
2765	actually
27077	transmit
1814	offspring
10727	newly
1601	acquired
35	character
2825	undoubtedly
27077	transmit
1138	existing
539	conditions
1452	remained
3806	stronger
2424	tendency
847	vary
1296	manner
3896	doubt
2424	tendency
847	vary
1296	manner
2341	strong
2142	individuals
1330	species
7062	similarly
6124	modified
3277	aid
838	form
6819	selection
79	third
5957	fifth
2759	tenth
839	part
2142	individuals
659	thus
5522	affected
714	fact
2746	instances
1510	given
659	thus
67310	graba
5546	estimates
5957	fifth
67311	guillemots
67312	faroe
1333	islands
757	consist
4463	variety
437	marked
2647	formerly
23458	ranked
2115	distinct
1330	species
2109	name
67313	uria
67314	lacrymans
2643	cases
958	kind
2174	variation
3880	beneficial
439	nature
493	original
838	form
23695	supplanted
6124	modified
838	form
33005	survival
35457	fittest
17321	effects
67060	intercrossing
3094	eliminating
6816	variations
2013	kinds
8710	recur
6129	remarked
293	animals
447	plants
823	keep
514	proper
5069	homes
34121	needlessly
521	wander
486	see
3966	migratory
294	birds
578	return
1857	spot
5341	consequently
10727	newly
981	formed
4463	variety
1538	generally
2477	local
1193	seems
733	common
426	rule
2149	varieties
1032	state
439	nature
7062	similarly
6124	modified
2142	individuals
875	exist
739	body
4602	breed
4463	variety
1660	successful
3064	battle
74	life
1833	slowly
2432	spread
5634	central
5738	district
24424	competing
18697	conquering
11812	unchanged
2142	individuals
2195	margins
2767	increasing
5805	circle
4727	worth
13	give
6319	complex
288	illustration
469	action
4	natural
6819	selection
447	plants
6883	excrete
5491	sweet
6890	juice
2022	apparently
7353	sake
3094	eliminating
3892	injurious
21175	sap
1531	effected
3282	instance
7171	glands
1779	base
21219	stipules
67315	leguminosae
1232	backs
586	leaves
733	common
26116	laurel
6890	juice
702	quantity
1702	greedily
4809	sought
1699	insects
2054	visits
5125	benefit
621	plant
1506	let
2309	suppose
6890	juice
5827	nectar
67316	excreted
588	flowers
2554	number
447	plants
1330	species
1699	insects
3632	seeking
5827	nectar
919	get
54333	dusted
5829	pollen
13687	transport
939	flower
588	flowers
2115	distinct
2142	individuals
1330	species
659	thus
919	get
2356	crossed
1178	act
5793	crossing
2536	fully
2412	proved
695	gives
949	rise
6448	vigorous
18300	seedlings
5341	consequently
2717	chance
10047	flourishing
8721	surviving
447	plants
40	produced
588	flowers
1344	largest
7171	glands
67317	nectaries
6889	excreting
5827	nectar
28170	oftenest
2641	visited
1699	insects
28170	oftenest
2356	crossed
1476	run
5062	gain
1040	upper
418	hand
838	form
2477	local
4463	variety
588	flowers
5851	stamens
21233	pistils
750	placed
313	relation
885	size
1240	habits
2917	particular
1083	insect
2641	visited
9755	favour
2069	degree
67318	transportal
5829	pollen
9629	favoured
976	taken
2331	case
1699	insects
4859	visiting
588	flowers
7353	sake
1291	collecting
5829	pollen
2785	instead
5827	nectar
5829	pollen
981	formed
1554	sole
1091	purpose
67285	fertilisation
3894	destruction
851	appears
515	simple
6045	loss
621	plant
5829	pollen
3238	carried
1744	occasionally
1562	habitually
5829	pollen
974	devouring
1699	insects
939	flower
939	flower
6474	cross
659	thus
1531	effected
1926	nine
23535	tenths
5829	pollen
2797	destroyed
790	great
5062	gain
621	plant
659	thus
9705	robbed
2142	individuals
40	produced
5829	pollen
712	larger
21228	anthers
285	selected
621	plant
648	process
649	continued
655	rendered
2089	highly
432	attractive
1699	insects
37005	unintentionally
839	part
4947	regularly
1711	carry
5829	pollen
939	flower
939	flower
8681	effectually
941	easily
1725	show
1889	striking
1651	facts
13	give
22881	illustrating
1556	step
12135	separation
4342	sexes
447	plants
51424	holly
1377	trees
1969	bear
1183	male
588	flowers
5851	stamens
5922	producing
702	quantity
5829	pollen
943	rudimentary
17974	pistil
51424	holly
1377	trees
1969	bear
1688	female
588	flowers
498	full
3647	sized
17974	pistil
5851	stamens
13027	shrivelled
21228	anthers
698	grain
5829	pollen
2285	detected
670	found
1688	female
492	tree
2153	exactly
2471	sixty
3314	yards
1183	male
492	tree
640	put
67319	stigmas
100	twenty
588	flowers
976	taken
1543	branches
676	microscope
4318	exception
5829	pollen
619	grains
2716	profusion
7640	wind
36	set
259	days
1688	female
1183	male
492	tree
5829	pollen
659	thus
3238	carried
3693	weather
634	cold
2319	boisterous
834	therefore
14207	favourable
5346	bees
1688	female
939	flower
675	examined
8681	effectually
52274	fertilised
5346	bees
4587	flown
492	tree
492	tree
3019	search
5827	nectar
578	return
5182	imaginary
2331	case
621	plant
655	rendered
2089	highly
432	attractive
1699	insects
5829	pollen
4947	regularly
3238	carried
939	flower
939	flower
648	process
1322	commence
192	naturalist
11425	doubts
3092	advantage
661	called
7045	physiological
5319	division
10555	labour
2289	hence
5363	believe
6869	advantageous
621	plant
887	produce
5851	stamens
939	flower
621	plant
21233	pistils
939	flower
621	plant
447	plants
7063	culture
750	placed
539	conditions
74	life
1183	male
1589	organs
1688	female
1589	organs
644	become
8263	impotent
2309	suppose
1798	occur
972	slight
2069	degree
439	nature
5829	pollen
3238	carried
4947	regularly
939	flower
939	flower
4774	complete
12135	separation
4342	sexes
621	plant
6869	advantageous
1151	principle
5319	division
10555	labour
2142	individuals
2424	tendency
5105	increased
4865	continually
9629	favoured
285	selected
4774	complete
12135	separation
4342	sexes
1531	effected
953	take
1057	space
1725	show
6	various
3175	steps
67151	dimorphism
553	means
12135	separation
4342	sexes
447	plants
6	various
2013	kinds
2022	apparently
1528	progress
2976	add
1330	species
51424	holly
2278	north
1254	america
1123	according
42272	asa
2497	gray
2153	exactly
2196	intermediate
725	condition
19566	expresses
67320	dioeciously
3289	polygamous
1506	let
1697	turn
5827	nectar
964	feeding
1699	insects
2309	suppose
621	plant
1833	slowly
2767	increasing
5827	nectar
649	continued
6819	selection
733	common
621	plant
1699	insects
7681	depended
3217	main
839	part
5827	nectar
966	food
13	give
1651	facts
2301	showing
4157	anxious
5346	bees
607	time
3282	instance
479	habit
335	cutting
6423	holes
3983	sucking
5827	nectar
3369	bases
588	flowers
1212	trouble
874	enter
749	mouth
3297	bearing
1651	facts
2443	mind
7717	believed
2364	circumstances
2143	individual
2147	differences
41809	curvature
1758	length
48223	proboscis
197	etc
972	slight
13326	appreciated
9519	profit
3942	bee
1083	insect
2142	individuals
1172	able
705	obtain
966	food
2593	quickly
1025	others
659	thus
6785	communities
9027	belonged
9985	flourish
1626	throw
1094	swarms
1204	inheriting
1197	peculiarities
5842	tubes
17975	corolla
733	common
3760	red
51445	incarnate
67288	clovers
67286	trifolium
67287	pratense
67321	incarnatum
4855	hasty
1747	glance
860	appear
994	differ
1758	length
5866	hive
3942	bee
941	easily
5838	suck
5827	nectar
51445	incarnate
40093	clover
733	common
3760	red
40093	clover
2641	visited
5519	humble
5346	bees
3779	fields
3760	red
40093	clover
2160	offer
4394	vain
1100	abundant
1003	supply
3323	precious
5827	nectar
5866	hive
3942	bee
5827	nectar
4529	liked
5866	hive
3942	bee
4611	repeatedly
417	seen
3570	autumn
5866	hive
5346	bees
3983	sucking
588	flowers
6423	holes
6412	bitten
1779	base
3220	tube
5519	humble
5346	bees
2178	difference
1758	length
17975	corolla
2013	kinds
40093	clover
1890	determines
2054	visits
5866	hive
3942	bee
6280	trifling
7685	assured
3760	red
40093	clover
52710	mown
588	flowers
5112	crop
1026	somewhat
1353	smaller
2641	visited
5866	hive
5346	bees
420	know
6985	statement
6277	accurate
2437	published
6985	statement
12254	trusted
7117	namely
34892	ligurian
3942	bee
1538	generally
2092	considered
2116	mere
4463	variety
733	common
5866	hive
3942	bee
2526	freely
8649	crosses
1172	able
4599	reach
5838	suck
5827	nectar
3760	red
40093	clover
659	thus
1093	country
1565	where
958	kind
40093	clover
33472	abounded
790	great
3092	advantage
5866	hive
3942	bee
1495	slightly
2543	longer
5583	differently
4580	constructed
48223	proboscis
418	hand
22934	fertility
40093	clover
3126	absolutely
5261	depends
5346	bees
4859	visiting
588	flowers
5519	humble
5346	bees
644	become
1875	rare
1093	country
790	great
3092	advantage
621	plant
1350	shorter
3708	deeply
5038	divided
17975	corolla
5866	hive
5346	bees
3358	enabled
5838	suck
588	flowers
659	thus
5860	understand
939	flower
3942	bee
1833	slowly
644	become
1526	simultaneously
6124	modified
4233	adapted
947	perfect
1296	manner
649	continued
13231	preservation
2142	individuals
2179	presented
972	slight
28622	deviations
679	structure
8740	mutually
14207	favourable
2224	aware
14371	doctrine
4	natural
6819	selection
6592	exemplified
5182	imaginary
2746	instances
23735	objections
1504	urged
322	sir
194	charles
44085	lyell
9718	noble
14503	views
6050	modern
952	changes
64	earth
24792	illustrative
38061	geology
2322	seldom
550	hear
24479	agencies
486	see
558	work
5841	spoken
6280	trifling
5499	insignificant
13181	explaining
41974	excavation
8973	deepest
1388	valleys
7639	formation
4263	lines
1797	inland
5645	cliffs
4	natural
6819	selection
2684	acts
13231	preservation
4302	accumulation
6959	inherited
8343	modifications
12100	profitable
6438	preserved
6050	modern
38061	geology
6609	banished
14503	views
41974	excavation
790	great
5250	valley
2168	single
47277	diluvial
8429	wave
4	natural
6819	selection
19739	banish
5542	belief
649	continued
6824	creation
21627	organic
1021	beings
790	great
2079	sudden
973	modification
679	structure
67060	intercrossing
2142	individuals
6758	introduce
37862	digression
2331	case
293	animals
447	plants
942	separated
4342	sexes
954	course
799	obvious
2142	individuals
4318	exception
1918	curious
6343	understood
2643	cases
67322	parthenogenesis
8408	unite
1813	birth
2331	case
67323	hermaphrodites
799	obvious
1765	reason
5363	believe
67323	hermaphrodites
2142	individuals
1744	occasionally
1562	habitually
37004	concur
19069	reproduction
958	kind
4991	view
7948	doubtfully
1263	suggested
67324	sprengel
19788	knight
67169	kolreuter
4131	presently
486	see
795	importance
3473	treat
427	subject
1176	extreme
12766	brevity
917	materials
2453	prepared
12684	ample
8698	discussion
2748	vertebrate
293	animals
1699	insects
2830	groups
293	animals
2762	pair
1813	birth
6050	modern
9377	research
1354	diminished
2554	number
4480	supposed
67323	hermaphrodites
67323	hermaphrodites
2554	number
2762	pair
2142	individuals
4947	regularly
8408	unite
19069	reproduction
15353	concerns
67246	hermaphrodite
293	animals
1438	certainly
1562	habitually
2762	pair
1434	vast
3596	majority
447	plants
67323	hermaphrodites
1765	reason
8041	asked
2643	cases
2142	individuals
37004	concur
19069	reproduction
1579	impossible
874	enter
6559	details
1217	trust
915	general
8312	considerations
1216	place
760	collected
739	body
1651	facts
413	made
5700	experiments
2301	showing
7448	accordance
3463	universal
5542	belief
58772	breeders
293	animals
447	plants
6474	cross
2149	varieties
2142	individuals
4463	variety
4886	strain
695	gives
12111	vigour
22934	fertility
1814	offspring
418	hand
65119	interbreeding
7477	diminishes
12111	vigour
22934	fertility
1651	facts
6649	incline
5363	believe
915	general
3174	law
439	nature
21627	organic
67325	fertilises
33025	perpetuity
2811	generations
6474	cross
2143	individual
1744	occasionally
3213	intervals
607	time
4439	indispensable
5542	belief
3174	law
439	nature
1260	think
5860	understand
5039	classes
1651	facts
4991	view
5696	inexplicable
67326	hybridizer
965	knows
11423	unfavourable
21295	exposure
6449	wet
67285	fertilisation
939	flower
617	multitude
588	flowers
21228	anthers
67319	stigmas
2536	fully
4079	exposed
3693	weather
2255	occasional
6474	cross
4439	indispensable
621	plant
21228	anthers
17974	pistil
513	stand
6447	ensure
3422	self
67285	fertilisation
7298	fullest
2788	freedom
4278	entrance
5829	pollen
2143	individual
2177	explain
1032	state
21295	exposure
1589	organs
588	flowers
418	hand
1589	organs
67327	fructification
796	closely
3670	enclosed
790	great
67328	papilionaceous
18816	pea
1161	family
1454	invariably
541	beautiful
1918	curious
7024	adaptations
313	relation
2054	visits
1699	insects
485	necessary
2054	visits
5346	bees
67328	papilionaceous
588	flowers
22934	fertility
1414	greatly
1354	diminished
2054	visits
5183	prevented
4280	scarcely
1699	insects
962	fly
939	flower
939	flower
1711	carry
5829	pollen
790	great
1205	good
621	plant
1699	insects
1178	act
7069	camel
1821	hair
14166	pencil
3948	sufficient
6447	ensure
67285	fertilisation
503	touch
3471	brush
21228	anthers
939	flower
49180	stigma
4480	supposed
5346	bees
659	thus
887	produce
617	multitude
17449	hybrids
2115	distinct
1330	species
621	plant
5829	pollen
1330	species
750	placed
49180	stigma
116	former
67329	prepotent
1454	invariably
1628	completely
5106	destroys
807	shown
67330	gartner
5076	influence
6756	foreign
5829	pollen
5851	stamens
939	flower
1099	suddenly
879	spring
17974	pistil
1833	slowly
504	move
28665	contrivance
1193	seems
4233	adapted
5258	solely
6447	ensure
3422	self
67285	fertilisation
3896	doubt
5124	useful
612	end
7200	agency
1699	insects
6441	required
3893	cause
5851	stamens
879	spring
1507	forward
67169	kolreuter
807	shown
2331	case
67331	barberry
2434	genus
1193	seems
28665	contrivance
3422	self
67285	fertilisation
664	known
796	closely
797	allied
2162	forms
2149	varieties
7688	planted
2709	hardly
1982	raise
719	pure
18300	seedlings
4596	largely
1683	naturally
6474	cross
2552	numerous
2643	cases
3422	self
67285	fertilisation
9629	favoured
11550	contrivances
8681	effectually
4971	prevent
49180	stigma
2654	receiving
5829	pollen
939	flower
1725	show
918	works
67324	sprengel
1025	others
474	observations
3282	instance
67282	lobelia
63647	fulgens
541	beautiful
1767	elaborate
28665	contrivance
12240	infinitely
2552	numerous
5829	pollen
23517	granules
5900	swept
61532	conjoined
21228	anthers
939	flower
49180	stigma
2143	individual
939	flower
970	ready
2107	receive
939	flower
2641	visited
3602	garden
1699	insects
773	sets
732	seed
1525	placing
5829	pollen
939	flower
49180	stigma
1982	raise
766	plenty
18300	seedlings
1330	species
67282	lobelia
2641	visited
5346	bees
620	seeds
2526	freely
3602	garden
2643	cases
5994	mechanical
28665	contrivance
4971	prevent
49180	stigma
2654	receiving
5829	pollen
939	flower
67324	sprengel
4461	recently
33246	hildebrand
1025	others
807	shown
7524	confirm
21228	anthers
8239	burst
49180	stigma
970	ready
67285	fertilisation
49180	stigma
970	ready
5829	pollen
939	flower
970	ready
7312	named
67332	dichogamous
447	plants
714	fact
942	separated
4342	sexes
1562	habitually
2356	crossed
56559	reciprocally
21205	dimorphic
67333	trimorphic
447	plants
4198	previously
8449	alluded
305	strange
1651	facts
305	strange
5829	pollen
67334	stigmatic
935	surface
939	flower
750	placed
1091	purpose
3422	self
67285	fertilisation
2643	cases
8740	mutually
5281	useless
911	simply
1651	facts
8494	explained
4991	view
2255	occasional
6474	cross
2115	distinct
2143	individual
6869	advantageous
4439	indispensable
2149	varieties
40077	cabbage
56547	radish
6295	onion
447	plants
667	allowed
732	seed
3596	majority
18300	seedlings
659	thus
1516	raised
1697	turn
670	found
67153	mongrels
3282	instance
1516	raised
55772	seedling
36430	cabbages
447	plants
2149	varieties
1832	growing
958	kind
1323	perfectly
17974	pistil
40077	cabbage
939	flower
3540	surrounded
5851	stamens
588	flowers
621	plant
5829	pollen
939	flower
1443	readily
1925	gets
49180	stigma
1083	insect
7200	agency
670	found
447	plants
1214	carefully
4228	protected
1699	insects
887	produce
498	full
2554	number
6205	pods
2637	comes
1434	vast
2554	number
18300	seedlings
67335	mongrelized
5952	arise
5829	pollen
2115	distinct
4463	variety
67329	prepotent
5087	effect
939	flower
5829	pollen
839	part
915	general
3174	law
1205	good
835	derived
67060	intercrossing
2115	distinct
2142	individuals
1330	species
2115	distinct
1330	species
2356	crossed
2331	case
5889	reversed
621	plant
5829	pollen
67329	prepotent
6756	foreign
5829	pollen
427	subject
578	return
2984	future
2851	chapter
2331	case
492	tree
740	covered
602	innumerable
588	flowers
8387	objected
5829	pollen
2322	seldom
3238	carried
492	tree
492	tree
939	flower
939	flower
492	tree
588	flowers
492	tree
2092	considered
2115	distinct
2142	individuals
5045	limited
2096	sense
5363	believe
12367	objection
17341	valid
439	nature
4596	largely
1638	giving
1377	trees
2341	strong
2424	tendency
1969	bear
588	flowers
942	separated
4342	sexes
4342	sexes
942	separated
1183	male
1688	female
588	flowers
40	produced
492	tree
5829	pollen
4947	regularly
3238	carried
939	flower
939	flower
13	give
2717	chance
5829	pollen
1744	occasionally
3238	carried
492	tree
492	tree
1377	trees
5238	belonging
5873	orders
4342	sexes
942	separated
447	plants
540	find
2331	case
1093	country
9426	request
1355	dr
49806	hooker
41545	tabulated
1377	trees
7756	zealand
1355	dr
42272	asa
2497	gray
124	united
125	states
1363	result
16175	anticipated
418	hand
1355	dr
49806	hooker
6968	informs
426	rule
1067	hold
1205	good
3225	australia
3470	australian
1377	trees
67332	dichogamous
1363	result
5123	follow
4304	bore
588	flowers
942	separated
4342	sexes
413	made
2086	remarks
1377	trees
911	simply
1113	call
1663	attention
427	subject
5070	turning
5194	brief
1057	space
293	animals
6	various
3300	terrestrial
1330	species
67323	hermaphrodites
274	land
64675	mollusca
64	earth
351	worms
2762	pair
670	found
2168	single
3300	terrestrial
67	animal
67284	fertilise
841	remarkable
714	fact
8417	offers
2341	strong
7738	contrast
3300	terrestrial
447	plants
11717	intelligible
4991	view
2255	occasional
6474	cross
4439	indispensable
3357	owing
439	nature
67336	fertilising
452	element
553	means
3285	analogous
469	action
1699	insects
7640	wind
447	plants
2255	occasional
6474	cross
1531	effected
3300	terrestrial
293	animals
37861	concurrence
2142	individuals
3298	aquatic
293	animals
3422	self
67336	fertilising
67323	hermaphrodites
5556	currents
635	water
2160	offer
799	obvious
553	means
2255	occasional
6474	cross
2331	case
588	flowers
6351	failed
4158	consultation
2041	highest
6811	authorities
7117	namely
200	professor
297	huxley
4123	discover
2168	single
67246	hermaphrodite
67	animal
1589	organs
19069	reproduction
1323	perfectly
3670	enclosed
9388	access
2255	occasional
5076	influence
2115	distinct
2143	individual
807	shown
1247	physically
1579	impossible
67337	cirripedes
886	appeared
223	point
4991	view
2331	case
790	great
2125	difficulty
3358	enabled
11497	fortunate
2717	chance
2182	prove
2142	individuals
3422	self
67336	fertilising
67323	hermaphrodites
6474	cross
6185	struck
415	naturalists
305	strange
34875	anomaly
293	animals
447	plants
1330	species
1161	family
2434	genus
7273	agreeing
796	closely
12920	organisation
67323	hermaphrodites
67338	unisexual
714	fact
67323	hermaphrodites
1744	occasionally
67253	intercross
2178	difference
67338	unisexual
1330	species
5970	function
6076	concerned
8312	considerations
1651	facts
760	collected
2630	unable
13	give
851	appears
293	animals
447	plants
2255	occasional
67253	intercross
2115	distinct
2142	individuals
915	general
3463	universal
3174	law
439	nature
2364	circumstances
14207	favourable
9506	production
2162	forms
4	natural
6819	selection
2232	extremely
4660	intricate
427	subject
790	great
2719	amount
2122	variability
2481	term
2143	individual
2147	differences
16	included
1762	evidently
14207	favourable
2554	number
2142	individuals
1638	giving
2717	chance
1510	given
2772	period
1615	appearance
12100	profitable
6816	variations
13893	compensate
7536	lesser
2719	amount
2122	variability
2143	individual
5363	believe
2089	highly
452	element
3052	success
439	nature
23509	grants
843	periods
607	time
558	work
4	natural
6819	selection
228	grant
3993	indefinite
2772	period
21627	organic
1021	beings
12142	striving
1466	seize
1216	place
2876	economy
439	nature
1330	species
644	become
6124	modified
7729	improved
7029	corresponding
2069	degree
7290	competitors
7828	exterminated
14207	favourable
6816	variations
6959	inherited
1814	offspring
1531	effected
4	natural
6819	selection
2424	tendency
3205	reversion
5066	check
4971	prevent
558	work
2424	tendency
5183	prevented
303	man
763	forming
6819	selection
2552	numerous
2897	domestic
2117	races
876	why
8381	prevail
4	natural
6819	selection
2331	case
3964	methodical
6819	selection
67177	breeder
23764	selects
893	definite
1661	object
2142	individuals
667	allowed
2526	freely
67253	intercross
558	work
1628	completely
2605	fail
276	men
8633	intending
13789	alter
4602	breed
813	nearly
733	common
1124	standard
6148	perfection
6596	try
19184	procure
4602	breed
293	animals
11299	improvement
6432	surely
1833	slowly
5322	follows
5479	unconscious
648	process
6819	selection
12135	separation
285	selected
2142	individuals
659	thus
439	nature
5200	confined
2433	area
1216	place
4	natural
67339	polity
1323	perfectly
1753	occupied
2142	individuals
6422	varying
2073	direction
5627	degrees
5421	tend
6438	preserved
2433	area
3362	districts
1438	certainly
539	conditions
74	life
1330	species
3394	undergoes
973	modification
3362	districts
10727	newly
981	formed
2149	varieties
67253	intercross
1946	confines
486	see
2850	sixth
2851	chapter
2196	intermediate
2149	varieties
4044	inhabiting
2196	intermediate
3362	districts
1476	run
1538	generally
23695	supplanted
4881	adjoining
2149	varieties
67060	intercrossing
767	chiefly
1959	affect
293	animals
8408	unite
1813	birth
521	wander
4602	breed
1473	quick
2243	rate
2289	hence
293	animals
439	nature
3282	instance
294	birds
2149	varieties
1538	generally
5200	confined
942	separated
7142	countries
540	find
2331	case
67246	hermaphrodite
21525	organisms
6474	cross
1744	occasionally
293	animals
8408	unite
1813	birth
521	wander
2764	increase
3790	rapid
2243	rate
7729	improved
4463	variety
2593	quickly
981	formed
1857	spot
1837	maintain
739	body
4712	afterward
2432	spread
2142	individuals
4463	variety
767	chiefly
6474	cross
1151	principle
67228	nurserymen
12012	prefer
732	seed
739	body
447	plants
2717	chance
67060	intercrossing
659	thus
10861	lessened
293	animals
8408	unite
1813	birth
18389	propagate
3170	rapidly
1563	assume
2000	free
67060	intercrossing
22017	eliminate
17321	effects
4	natural
6819	selection
2739	bring
1507	forward
3267	considerable
739	body
1651	facts
2301	showing
2433	area
2149	varieties
67	animal
656	remain
2115	distinct
8686	haunting
22713	stations
3338	breeding
1495	slightly
4948	seasons
2142	individuals
4463	variety
42698	preferring
2762	pair
67060	intercrossing
5481	plays
839	part
439	nature
1509	keeping
2142	individuals
1330	species
4463	variety
3977	uniform
35	character
7010	obviously
659	thus
1178	act
17492	efficiently
293	animals
8408	unite
1813	birth
1912	stated
1765	reason
5363	believe
2255	occasional
67142	intercrosses
953	take
1216	place
293	animals
447	plants
953	take
1216	place
3213	intervals
607	time
21	young
659	thus
40	produced
5062	gain
12111	vigour
22934	fertility
1814	offspring
649	continued
3422	self
67285	fertilisation
2717	chance
8721	surviving
4374	propagating
958	kind
659	thus
1476	run
5076	influence
8649	crosses
1875	rare
3213	intervals
790	great
968	respect
21627	organic
1021	beings
2232	extremely
1788	low
1028	scale
18389	propagate
67340	sexually
67341	conjugate
3333	possibly
67253	intercross
10563	uniformity
35	character
8434	retained
539	conditions
74	life
1151	principle
1200	inheritance
4	natural
6819	selection
2244	destroy
2142	individuals
13246	departing
514	proper
2713	type
539	conditions
74	life
889	change
838	form
3394	undergoes
973	modification
10563	uniformity
35	character
1510	given
6124	modified
1814	offspring
5258	solely
4	natural
6819	selection
39783	preserving
706	similar
14207	favourable
6816	variations
36209	isolation
452	element
973	modification
1330	species
4	natural
6819	selection
5200	confined
3905	isolated
2433	area
21627	organic
8500	inorganic
539	conditions
74	life
1538	generally
3977	uniform
4	natural
6819	selection
5421	tend
22599	modify
6422	varying
2142	individuals
1330	species
1296	manner
67060	intercrossing
6224	inhabitants
4147	surrounding
3362	districts
659	thus
5183	prevented
27661	moritz
25163	wagner
2359	lately
2437	published
429	interesting
27610	essay
427	subject
807	shown
5228	service
655	rendered
36209	isolation
3102	preventing
8649	crosses
10727	newly
981	formed
2149	varieties
731	greater
4480	supposed
8492	reasons
10005	assigned
553	means
993	agree
192	naturalist
3963	migration
36209	isolation
485	necessary
808	elements
7639	formation
1330	species
795	importance
36209	isolation
790	great
3102	preventing
6151	physical
889	change
539	conditions
4168	climate
7256	elevation
274	land
197	etc
24741	immigration
4233	adapted
21525	organisms
659	thus
1184	places
4	natural
2876	economy
5738	district
4987	filled
973	modification
359	old
6224	inhabitants
5177	lastly
36209	isolation
13	give
607	time
4463	variety
7729	improved
1818	slow
2243	rate
795	importance
3905	isolated
2433	area
3540	surrounded
13370	barriers
1567	peculiar
6151	physical
539	conditions
5891	total
2554	number
6224	inhabitants
22252	retard
9506	production
1330	species
4	natural
6819	selection
21718	decreasing
1084	chances
14207	favourable
6816	variations
3262	arising
2116	mere
6735	lapse
607	time
4	natural
6819	selection
1032	state
2355	erroneously
1709	asserted
452	element
607	time
2283	assumed
5809	play
839	part
40741	modifying
1330	species
2162	forms
74	life
5327	necessarily
14933	undergoing
889	change
27594	innate
3174	law
6735	lapse
607	time
795	importance
968	respect
790	great
695	gives
2717	chance
3880	beneficial
6816	variations
3262	arising
285	selected
7673	accumulated
604	fixed
580	tends
2764	increase
1304	direct
469	action
6151	physical
539	conditions
74	life
313	relation
1948	constitution
22183	organism
1697	turn
439	nature
2710	test
462	truth
2086	remarks
1851	look
3905	isolated
2433	area
49883	oceanic
5048	island
2554	number
1330	species
4044	inhabiting
486	see
2851	chapter
2426	geographical
2622	distribution
1330	species
537	proportion
42590	endemic
40	produced
2644	nowhere
2776	else
535	world
2289	hence
49883	oceanic
5048	island
3311	sight
1193	seems
2089	highly
14207	favourable
9506	production
1330	species
659	thus
1631	deceive
5085	ascertain
3905	isolated
2433	area
2433	area
6973	continent
14207	favourable
9506	production
21627	organic
2162	forms
473	make
2675	comparison
2332	equal
884	times
11414	incapable
36209	isolation
790	great
795	importance
9506	production
1330	species
2547	inclined
5363	believe
67342	largeness
2433	area
1731	especially
9506	production
1330	species
2182	prove
1822	capable
4096	enduring
2772	period
4894	spreading
2585	widely
790	great
2433	area
2717	chance
14207	favourable
6816	variations
3262	arising
2554	number
2142	individuals
1330	species
1990	supported
539	conditions
74	life
6319	complex
2554	number
1138	existing
1330	species
1330	species
644	become
6124	modified
7729	improved
1025	others
7729	improved
7029	corresponding
2069	degree
7828	exterminated
838	form
7729	improved
1172	able
2432	spread
7657	continuous
2433	area
659	thus
1070	come
17513	competition
2162	forms
932	moreover
790	great
22441	areas
7657	continuous
3357	owing
116	former
4939	oscillations
1456	level
5061	existed
1673	broken
725	condition
1205	good
17321	effects
36209	isolation
1538	generally
1341	extent
19225	concurred
4184	finally
4410	conclude
3905	isolated
22441	areas
845	respects
2089	highly
14207	favourable
9506	production
1330	species
954	course
973	modification
1538	generally
3790	rapid
22441	areas
2162	forms
40	produced
22441	areas
13904	victorious
7290	competitors
2432	spread
2585	widely
13	give
949	rise
1611	greatest
2554	number
2149	varieties
1330	species
659	thus
5809	play
839	part
2615	changing
5	history
21627	organic
535	world
7448	accordance
4991	view
5860	understand
1651	facts
8449	alluded
2851	chapter
2426	geographical
2622	distribution
3282	instance
714	fact
26943	productions
1353	smaller
6973	continent
3225	australia
850	yielding
712	larger
67343	europaeo
1332	asiatic
2433	area
659	thus
18896	continental
26943	productions
5525	everywhere
644	become
4596	largely
58855	naturalised
1333	islands
5048	island
3093	race
74	life
3612	severe
973	modification
12628	extermination
2289	hence
5860	understand
18329	flora
21077	madeira
1123	according
22535	oswald
29607	heer
2425	resembles
1341	extent
3469	extinct
8144	tertiary
18329	flora
7317	europe
568	fresh
635	water
19748	basins
976	taken
473	make
2433	area
894	compared
65	sea
274	land
5341	consequently
17513	competition
568	fresh
635	water
26943	productions
3612	severe
3468	elsewhere
2162	forms
1833	slowly
40	produced
359	old
2162	forms
1833	slowly
7828	exterminated
568	fresh
635	water
19748	basins
540	find
3980	seven
6233	genera
67344	ganoid
295	fishes
21871	remnants
67345	preponderant
534	order
568	fresh
635	water
540	find
34968	anomalous
2162	forms
664	known
535	world
67346	ornithorhynchus
67347	lepidosiren
44957	fossils
6503	connect
1341	extent
5873	orders
2585	widely
942	separated
4	natural
1028	scale
34968	anomalous
2162	forms
661	called
44957	fossils
13383	endured
967	day
2648	inhabited
5200	confined
2433	area
4079	exposed
2137	varied
834	therefore
3612	severe
17513	competition
12222	sum
1176	extreme
67348	intricacy
427	subject
2601	permits
2364	circumstances
14207	favourable
11423	unfavourable
9506	production
1330	species
4	natural
6819	selection
4410	conclude
3300	terrestrial
26943	productions
18896	continental
2433	area
3668	undergone
4939	oscillations
1456	level
14207	favourable
9506	production
2162	forms
74	life
979	fitted
10074	endure
607	time
2432	spread
2585	widely
2433	area
5061	existed
6973	continent
6224	inhabitants
2552	numerous
2142	individuals
2013	kinds
6664	subjected
3612	severe
17513	competition
5392	converted
15033	subsidence
929	separate
1333	islands
5061	existed
2142	individuals
1330	species
5048	island
67060	intercrossing
1946	confines
443	range
1330	species
2757	checked
6151	physical
952	changes
958	kind
24741	immigration
5183	prevented
1184	places
67339	polity
5048	island
4987	filled
973	modification
359	old
6224	inhabitants
607	time
667	allowed
2149	varieties
644	become
6124	modified
1058	perfected
8220	renewed
7256	elevation
1333	islands
67349	reconverted
18896	continental
2433	area
3612	severe
17513	competition
9629	favoured
7729	improved
2149	varieties
3358	enabled
2432	spread
20063	extinction
7729	improved
2162	forms
730	relative
22528	proportional
1159	numbers
6	various
6224	inhabitants
13785	reunited
6973	continent
1086	changed
2980	fair
164	field
4	natural
6819	selection
7716	improve
1012	further
6224	inhabitants
659	thus
887	produce
1330	species
4	natural
6819	selection
1538	generally
1178	act
1176	extreme
14532	slowness
2536	fully
5314	admit
1178	act
1184	places
4	natural
67339	polity
5738	district
1753	occupied
973	modification
1138	existing
6224	inhabitants
2645	occurrence
1184	places
5107	depend
6151	physical
952	changes
1538	generally
953	take
1216	place
1833	slowly
24741	immigration
4233	adapted
2162	forms
5183	prevented
359	old
6224	inhabitants
644	become
6124	modified
4187	mutual
501	relations
1025	others
3743	disturbed
581	create
1184	places
970	ready
4987	filled
4233	adapted
2162	forms
953	take
1216	place
1833	slowly
2142	individuals
1330	species
994	differ
972	slight
2069	degree
2147	differences
439	nature
6	various
748	parts
12920	organisation
1798	occur
1363	result
1414	greatly
13492	retarded
2000	free
67060	intercrossing
14599	exclaim
6065	causes
6687	amply
3948	sufficient
60573	neutralise
1627	power
4	natural
6819	selection
5363	believe
5363	believe
4	natural
6819	selection
1538	generally
1178	act
1833	slowly
3213	intervals
607	time
6224	inhabitants
2293	region
1012	further
5363	believe
1818	slow
33779	intermittent
5065	results
11064	accord
38061	geology
3091	tells
2243	rate
1296	manner
6224	inhabitants
535	world
1086	changed
1818	slow
648	process
6819	selection
7246	feeble
303	man
4942	artificial
6819	selection
486	see
1375	limit
2719	amount
889	change
3920	beauty
7049	complexity
67064	coadaptations
21627	organic
1021	beings
6151	physical
539	conditions
74	life
1531	effected
954	course
607	time
439	nature
1627	power
6819	selection
33005	survival
35457	fittest
20063	extinction
4377	caused
4	natural
6819	selection
427	subject
2536	fully
11363	discussed
2851	chapter
38061	geology
8449	alluded
25735	intimately
3553	connected
4	natural
6819	selection
4	natural
6819	selection
2684	acts
5258	solely
13231	preservation
6816	variations
6869	advantageous
5341	consequently
10074	endure
3357	owing
6121	geometrical
2243	rate
2764	increase
21627	organic
1021	beings
2433	area
2536	fully
6806	stocked
6224	inhabitants
5322	follows
9629	favoured
2162	forms
2764	increase
2554	number
1538	generally
9629	favoured
21472	decrease
644	become
1875	rare
11747	rarity
38061	geology
3091	tells
20349	precursor
20063	extinction
486	see
838	form
595	represented
2142	individuals
1476	run
1205	good
2717	chance
3458	utter
20063	extinction
790	great
23477	fluctuations
439	nature
4948	seasons
4020	temporary
2764	increase
2554	number
2029	enemies
1824	go
1012	further
2162	forms
40	produced
5314	admit
7817	specific
2162	forms
1824	go
848	indefinitely
2767	increasing
2554	number
359	old
2162	forms
644	become
3469	extinct
2554	number
7817	specific
2162	forms
848	indefinitely
5105	increased
38061	geology
3733	plainly
3091	tells
4131	presently
2033	attempt
1725	show
876	why
2554	number
1330	species
535	world
644	become
11501	immeasurably
790	great
417	seen
1330	species
2552	numerous
2142	individuals
2717	chance
5922	producing
14207	favourable
6816	variations
1510	given
2772	period
1238	evidence
1651	facts
1912	stated
2851	chapter
2301	showing
733	common
937	diffused
8729	dominant
1330	species
2160	offer
1611	greatest
2554	number
5396	recorded
2149	varieties
2289	hence
1875	rare
1330	species
2593	quickly
6124	modified
7729	improved
1510	given
2772	period
5341	consequently
765	beaten
3093	race
74	life
6124	modified
7729	improved
8275	descendants
20187	commoner
1330	species
8312	considerations
1260	think
6009	inevitably
5322	follows
1330	species
954	course
607	time
981	formed
4	natural
6819	selection
1025	others
644	become
7584	rarer
7584	rarer
4184	finally
3469	extinct
2162	forms
513	stand
15800	closest
17513	competition
14933	undergoing
973	modification
11299	improvement
1683	naturally
7623	suffer
417	seen
2851	chapter
3075	struggle
844	existence
796	closely
797	allied
2162	forms
2149	varieties
1330	species
1330	species
2434	genus
592	related
6233	genera
813	nearly
679	structure
1948	constitution
1240	habits
1538	generally
1070	come
47592	severest
17513	competition
5341	consequently
4463	variety
1330	species
1528	progress
7639	formation
1538	generally
111	press
13642	hardest
4424	nearest
3524	kindred
5421	tend
11813	exterminate
486	see
648	process
12628	extermination
2017	domesticated
26943	productions
6819	selection
7729	improved
2162	forms
303	man
1918	curious
2746	instances
1510	given
2301	showing
2593	quickly
5047	breeds
4989	cattle
3885	sheep
293	animals
2149	varieties
588	flowers
953	take
1216	place
8388	older
1041	inferior
2013	kinds
28277	yorkshire
34001	historically
664	known
4347	ancient
410	black
4989	cattle
7789	displaced
16654	horns
5900	swept
16654	horns
1578	quote
523	words
21712	agricultural
152	writer
10384	murderous
13853	pestilence
46257	divergence
35	character
1151	principle
19496	designated
2481	term
795	importance
1023	explains
5363	believe
1651	facts
1216	place
2149	varieties
800	strongly
437	marked
938	ones
1026	somewhat
35	character
1330	species
807	shown
8555	hopeless
11425	doubts
2643	cases
1570	rank
1438	certainly
994	differ
1205	good
2115	distinct
1330	species
1123	according
4991	view
2149	varieties
1330	species
648	process
7639	formation
661	called
22306	incipient
1330	species
7536	lesser
2178	difference
2149	varieties
644	become
34598	augmented
731	greater
2178	difference
1330	species
1562	habitually
650	happen
8474	infer
602	innumerable
1330	species
439	nature
2590	presenting
437	marked
2147	differences
2149	varieties
4480	supposed
20840	prototypes
1203	parents
2984	future
437	marked
1330	species
972	slight
7118	defined
2147	differences
2116	mere
2717	chance
1113	call
3893	cause
4463	variety
994	differ
35	character
1203	parents
1814	offspring
4463	variety
994	differ
2955	parent
35	character
731	greater
2069	degree
1089	account
2450	habitual
2069	degree
2178	difference
1330	species
2434	genus
3082	practice
4809	sought
3104	light
747	head
2897	domestic
26943	productions
540	find
3285	analogous
1301	admitted
9506	production
2117	races
769	horn
43535	hereford
4989	cattle
3093	race
4651	cart
2741	horses
5047	breeds
4324	pigeons
197	etc
1531	effected
2116	mere
2717	chance
4302	accumulation
706	similar
6816	variations
3697	successive
2811	generations
3082	practice
67211	fancier
3282	instance
6185	struck
2869	pigeon
1495	slightly
1350	shorter
318	beak
67211	fancier
6185	struck
2869	pigeon
2543	longer
318	beak
10464	acknowledged
1151	principle
64576	fanciers
12833	admire
3646	medium
1124	standard
6978	extremes
1824	go
2765	actually
7767	occurred
7271	sub
5047	breeds
7262	tumbler
2869	pigeon
4662	choosing
3338	breeding
294	birds
2543	longer
2543	longer
2883	beaks
1350	shorter
1350	shorter
2883	beaks
2309	suppose
2772	period
5	history
276	men
6566	nation
5738	district
6441	required
49150	swifter
2741	horses
6441	required
3806	stronger
62266	bulkier
2741	horses
2147	differences
972	slight
954	course
607	time
649	continued
6819	selection
49150	swifter
2741	horses
2331	case
3806	stronger
938	ones
2147	differences
644	become
731	greater
4294	noted
763	forming
7271	sub
5047	breeds
7745	ultimately
6735	lapse
7736	centuries
7271	sub
5047	breeds
644	become
5392	converted
2237	established
2115	distinct
5047	breeds
2147	differences
4676	became
731	greater
1041	inferior
293	animals
2196	intermediate
7165	characters
7221	swift
2341	strong
3338	breeding
659	thus
2817	tended
1088	disappear
486	see
303	man
26943	productions
469	action
661	called
1151	principle
46257	divergence
6871	causing
2147	differences
4627	barely
22203	appreciable
8180	steadily
2764	increase
5047	breeds
49380	diverge
35	character
733	common
2955	parent
8041	asked
3285	analogous
1151	principle
477	apply
439	nature
5363	believe
477	apply
17492	efficiently
607	time
338	saw
515	simple
2373	circumstance
8525	diversified
8275	descendants
1330	species
644	become
679	structure
1948	constitution
1240	habits
3358	enabled
1466	seize
2585	widely
8525	diversified
1184	places
67339	polity
439	nature
3358	enabled
2764	increase
1159	numbers
2751	clearly
6619	discern
2331	case
293	animals
515	simple
1240	habits
953	take
2331	case
2343	carnivorous
7068	quadruped
2554	number
1990	supported
1093	country
7319	arrived
498	full
1902	average
4	natural
1627	power
2764	increase
667	allowed
1178	act
2415	succeed
2767	increasing
1093	country
14933	undergoing
889	change
539	conditions
6422	varying
8275	descendants
1625	seizing
1184	places
1753	occupied
293	animals
3282	instance
3358	enabled
2821	feed
2013	kinds
332	prey
873	dead
865	alive
4044	inhabiting
22713	stations
1480	climbing
1377	trees
19814	frequenting
635	water
3504	becoming
2343	carnivorous
8525	diversified
1240	habits
679	structure
8275	descendants
2343	carnivorous
293	animals
644	become
1184	places
3358	enabled
3855	occupy
8612	applies
67	animal
477	apply
607	time
293	animals
847	vary
4	natural
6819	selection
5087	effect
447	plants
8448	experimentally
2412	proved
12817	plot
626	ground
944	sown
1330	species
2416	grass
706	similar
12817	plot
944	sown
2115	distinct
6233	genera
4046	grasses
731	greater
2554	number
447	plants
731	greater
1973	weight
715	dry
1840	herbage
1516	raised
2330	latter
116	former
2331	case
670	found
1067	hold
1205	good
4463	variety
633	mixed
2149	varieties
603	wheat
944	sown
2332	equal
1608	spaces
626	ground
2289	hence
1330	species
2416	grass
1824	go
6422	varying
2149	varieties
4865	continually
285	selected
7649	differed
1296	manner
972	slight
2069	degree
2115	distinct
1330	species
6233	genera
4046	grasses
731	greater
2554	number
2143	individual
447	plants
1330	species
5384	including
6124	modified
8275	descendants
2415	succeed
820	piece
626	ground
420	know
1330	species
4463	variety
2416	grass
5205	annually
23072	sowing
3359	countless
620	seeds
659	thus
12142	striving
867	said
6068	utmost
2764	increase
2554	number
5341	consequently
954	course
496	thousand
2811	generations
2115	distinct
2149	varieties
1330	species
2416	grass
2717	chance
3343	succeeding
2767	increasing
1159	numbers
659	thus
67350	supplanting
2115	distinct
2149	varieties
2149	varieties
655	rendered
2115	distinct
953	take
1570	rank
1330	species
462	truth
1151	principle
1611	greatest
2719	amount
74	life
1990	supported
790	great
50568	diversification
679	structure
417	seen
4	natural
2364	circumstances
2232	extremely
2433	area
1731	especially
2526	freely
24741	immigration
1565	where
2557	contest
2143	individual
2143	individual
3612	severe
540	find
790	great
7466	diversity
6224	inhabitants
3282	instance
670	found
820	piece
7645	turf
1346	feet
885	size
4079	exposed
436	years
2153	exactly
539	conditions
1990	supported
100	twenty
1330	species
447	plants
9027	belonged
1610	eighteen
6233	genera
2770	eight
5873	orders
2201	shows
447	plants
7649	differed
447	plants
1699	insects
3977	uniform
32605	islets
2793	ponds
568	fresh
635	water
7765	farmers
540	find
1982	raise
966	food
19710	rotation
447	plants
5238	belonging
5873	orders
439	nature
5322	follows
661	called
17118	simultaneous
19710	rotation
293	animals
447	plants
1653	live
820	piece
626	ground
1653	live
439	nature
1567	peculiar
867	said
12142	striving
6068	utmost
1653	live
417	seen
1565	where
1070	come
15800	closest
17513	competition
3057	advantages
50568	diversification
679	structure
3232	accompanying
2147	differences
479	habit
1948	constitution
4283	determine
6224	inhabitants
659	thus
26920	jostle
796	closely
915	general
426	rule
2937	belong
1113	call
6233	genera
5873	orders
1151	principle
417	seen
58782	naturalisation
447	plants
303	man
7200	agency
6756	foreign
56	lands
2896	expected
447	plants
2415	succeed
3504	becoming
58855	naturalised
274	land
1538	generally
796	closely
797	allied
67351	indigenes
1561	commonly
4391	looked
2204	specially
2826	created
4233	adapted
1093	country
2896	expected
58855	naturalised
447	plants
9027	belonged
2830	groups
1731	especially
4233	adapted
22713	stations
5069	homes
2331	case
67352	alph
1771	de
67254	candolle
6129	remarked
790	great
4417	admirable
558	work
67247	floras
5062	gain
58782	naturalisation
3495	proportionally
2554	number
2268	native
6233	genera
1330	species
6233	genera
1330	species
13	give
2168	single
3282	instance
80	edition
1355	dr
42272	asa
2497	gray
9274	manual
18329	flora
3752	northern
124	united
125	states
58855	naturalised
447	plants
8613	enumerated
2937	belong
6233	genera
659	thus
486	see
58855	naturalised
447	plants
2089	highly
8525	diversified
439	nature
994	differ
932	moreover
1341	extent
67351	indigenes
58855	naturalised
6233	genera
6233	genera
18208	indigenous
659	thus
22528	proportional
903	addition
413	made
6233	genera
124	united
125	states
439	nature
447	plants
293	animals
1093	country
9808	struggled
8986	successfully
67351	indigenes
644	become
58855	naturalised
5062	gain
8705	crude
1581	idea
1296	manner
1290	natives
6124	modified
534	order
5062	gain
3092	advantage
35569	compatriots
8474	infer
50568	diversification
679	structure
8486	amounting
18590	generic
2147	differences
12100	profitable
3092	advantage
50568	diversification
679	structure
6224	inhabitants
2293	region
714	fact
7045	physiological
5319	division
10555	labour
1589	organs
2143	individual
739	body
427	subject
54442	elucidated
45135	milne
19525	edwards
7040	physiologist
11425	doubts
977	stomach
4233	adapted
2879	digest
689	vegetable
428	matter
779	flesh
1181	draws
2014	nutriment
691	substances
915	general
2876	economy
274	land
2585	widely
1323	perfectly
293	animals
447	plants
8525	diversified
1240	habits
74	life
731	greater
2554	number
2142	individuals
1822	capable
14295	supporting
36	set
293	animals
12920	organisation
8525	diversified
2709	hardly
21137	compete
36	set
1323	perfectly
8525	diversified
679	structure
1560	doubted
3282	instance
3470	australian
67353	marsupials
5038	divided
2830	groups
6195	differing
9955	feebly
2005	representing
390	mr
1435	waterhouse
1025	others
6129	remarked
2343	carnivorous
64882	ruminant
60350	rodent
1572	mammals
8986	successfully
21137	compete
946	developed
5873	orders
3470	australian
1572	mammals
486	see
648	process
50568	diversification
9458	incomplete
2798	stage
955	development
855	probable
17321	effects
469	action
4	natural
6819	selection
46257	divergence
35	character
20063	extinction
8275	descendants
733	common
8288	ancestor
5213	foregoing
8698	discussion
9415	compressed
1563	assume
6124	modified
8275	descendants
1330	species
2415	succeed
644	become
8525	diversified
679	structure
659	thus
3358	enabled
40186	encroach
1184	places
1753	occupied
1021	beings
1506	let
486	see
1151	principle
5125	benefit
835	derived
46257	divergence
35	character
727	combined
7546	principles
4	natural
6819	selection
20063	extinction
580	tends
1178	act
3232	accompanying
7664	diagram
3277	aid
6479	understanding
34060	perplexing
427	subject
1506	let
3475	represent
1330	species
2434	genus
1093	country
1330	species
4480	supposed
1957	resemble
7705	unequal
5627	degrees
1538	generally
2331	case
439	nature
595	represented
7664	diagram
9216	letters
2284	standing
7705	unequal
1619	distances
867	said
2434	genus
338	saw
2851	chapter
1902	average
1330	species
847	vary
6233	genera
6233	genera
6422	varying
1330	species
6233	genera
731	greater
2554	number
2149	varieties
417	seen
1330	species
2858	commonest
2585	widely
937	diffused
847	vary
1875	rare
21563	restricted
1330	species
1506	let
733	common
2585	widely
937	diffused
6422	varying
1330	species
5238	belonging
2434	genus
1093	country
4482	branching
4064	diverging
4262	dotted
4263	lines
7705	unequal
13798	lengths
4183	proceeding
3475	represent
6422	varying
1814	offspring
6816	variations
4480	supposed
2232	extremely
972	slight
8525	diversified
439	nature
4480	supposed
860	appear
1526	simultaneously
3213	intervals
607	time
4480	supposed
10074	endure
2332	equal
843	periods
6816	variations
12100	profitable
6438	preserved
1683	naturally
285	selected
795	importance
1151	principle
5125	benefit
835	derived
46257	divergence
35	character
2637	comes
1538	generally
4066	lead
8542	divergent
6816	variations
595	represented
934	outer
4262	dotted
4263	lines
6438	preserved
7673	accumulated
4	natural
6819	selection
4262	dotted
3915	line
3527	reaches
4772	horizontal
4263	lines
437	marked
2790	numbered
8111	letter
3948	sufficient
2719	amount
2174	variation
4480	supposed
7673	accumulated
838	form
8733	fairly
437	marked
4463	variety
1672	thought
3997	worthy
5402	record
8249	systematic
558	work
3213	intervals
4772	horizontal
4263	lines
7664	diagram
3475	represent
496	thousand
2811	generations
496	thousand
2811	generations
1330	species
4480	supposed
40	produced
8733	fairly
437	marked
2149	varieties
7117	namely
2149	varieties
1538	generally
4079	exposed
539	conditions
413	made
1203	parents
925	variable
2424	tendency
2122	variability
33003	hereditary
5341	consequently
5421	tend
847	vary
1561	commonly
813	nearly
1296	manner
1203	parents
932	moreover
2149	varieties
1495	slightly
6124	modified
2162	forms
5421	tend
52462	inherit
3057	advantages
413	made
2955	parent
2552	numerous
6224	inhabitants
1093	country
5215	partake
915	general
3057	advantages
413	made
2434	genus
2955	parent
1330	species
9027	belonged
2434	genus
1093	country
2364	circumstances
14207	favourable
9506	production
2149	varieties
2149	varieties
925	variable
8542	divergent
6816	variations
1538	generally
6438	preserved
496	thousand
2811	generations
6882	interval
4463	variety
4480	supposed
7664	diagram
40	produced
4463	variety
3357	owing
1151	principle
46257	divergence
994	differ
4463	variety
4463	variety
4480	supposed
40	produced
2149	varieties
7117	namely
6195	differing
2173	considerably
733	common
2955	parent
1160	continue
648	process
706	similar
3175	steps
1758	length
607	time
2149	varieties
496	thousand
2811	generations
5922	producing
2168	single
4463	variety
6124	modified
725	condition
5922	producing
2149	varieties
887	produce
659	thus
2149	varieties
6124	modified
8275	descendants
733	common
2955	parent
1538	generally
1824	go
2767	increasing
2554	number
4064	diverging
35	character
7664	diagram
648	process
595	represented
1827	ten
47428	thousandth
1246	generation
828	condensed
7634	simplified
838	form
5544	fourteen
47428	thousandth
1246	generation
2447	remark
2309	suppose
648	process
478	goes
4947	regularly
595	represented
7664	diagram
413	made
1026	somewhat
565	irregular
478	goes
7304	continuously
855	probable
838	form
525	remains
843	periods
12845	unaltered
3394	undergoes
973	modification
2309	suppose
8542	divergent
2149	varieties
1454	invariably
6438	preserved
3646	medium
838	form
10074	endure
887	produce
6124	modified
25979	descendant
4	natural
6819	selection
1178	act
1123	according
439	nature
1184	places
34873	unoccupied
1323	perfectly
1753	occupied
1021	beings
5107	depend
12240	infinitely
6319	complex
501	relations
915	general
426	rule
8525	diversified
679	structure
8275	descendants
1330	species
655	rendered
1184	places
3358	enabled
1466	seize
6124	modified
3950	progeny
2764	increase
7664	diagram
3915	line
1607	succession
1673	broken
950	regular
3213	intervals
2790	numbered
9216	letters
4952	marking
3697	successive
2162	forms
644	become
5758	sufficiently
2115	distinct
5396	recorded
2149	varieties
3585	breaks
5182	imaginary
15016	inserted
8	anywhere
3213	intervals
5278	allow
4302	accumulation
3267	considerable
2719	amount
8542	divergent
2174	variation
6124	modified
8275	descendants
733	common
2585	widely
937	diffused
1330	species
5238	belonging
2434	genus
5421	tend
5215	partake
3057	advantages
413	made
2955	parent
1660	successful
74	life
1538	generally
1824	go
20180	multiplying
2554	number
4064	diverging
35	character
595	represented
7664	diagram
8542	divergent
1543	branches
4183	proceeding
6124	modified
1814	offspring
2089	highly
7729	improved
1543	branches
4263	lines
5736	descent
855	probable
953	take
1216	place
2244	destroy
1297	earlier
7729	improved
1543	branches
595	represented
7664	diagram
1879	lower
1543	branches
1831	reaching
1040	upper
4772	horizontal
4263	lines
2643	cases
3896	doubt
648	process
973	modification
5200	confined
2168	single
3915	line
5736	descent
2554	number
6124	modified
8275	descendants
5105	increased
2719	amount
8542	divergent
973	modification
34598	augmented
2331	case
595	represented
7664	diagram
4263	lines
4183	proceeding
4308	removed
67354	racehorse
49321	pointer
2022	apparently
3410	gone
1833	slowly
4064	diverging
35	character
493	original
21025	stocks
1510	given
568	fresh
1543	branches
2117	races
1827	ten
496	thousand
2811	generations
1330	species
4480	supposed
40	produced
2162	forms
32797	diverged
35	character
3697	successive
2811	generations
1070	come
994	differ
4596	largely
5985	unequally
733	common
2955	parent
2309	suppose
2719	amount
889	change
4772	horizontal
3915	line
7664	diagram
6668	excessively
2162	forms
437	marked
2149	varieties
2309	suppose
3175	steps
648	process
973	modification
2552	numerous
731	greater
2719	amount
9413	convert
2162	forms
7308	doubtful
7118	defined
1330	species
659	thus
7664	diagram
24445	illustrates
3175	steps
2147	differences
3561	distinguishing
2149	varieties
5105	increased
712	larger
2147	differences
3561	distinguishing
1330	species
4719	continuing
648	process
731	greater
2554	number
2811	generations
807	shown
7664	diagram
828	condensed
7634	simplified
1296	manner
919	get
2770	eight
1330	species
437	marked
9216	letters
3199	descended
659	thus
5363	believe
1330	species
5882	multiplied
6233	genera
981	formed
2434	genus
855	probable
1330	species
847	vary
7664	diagram
2283	assumed
1330	species
40	produced
3285	analogous
3175	steps
1827	ten
496	thousand
2811	generations
437	marked
2149	varieties
1330	species
1123	according
2719	amount
889	change
4480	supposed
595	represented
4772	horizontal
4263	lines
5544	fourteen
496	thousand
2811	generations
1330	species
437	marked
9216	letters
4480	supposed
40	produced
2434	genus
1330	species
35	character
1538	generally
5421	tend
887	produce
1611	greatest
2554	number
6124	modified
8275	descendants
2717	chance
1625	seizing
2585	widely
1184	places
67339	polity
439	nature
2289	hence
7664	diagram
4186	chosen
1176	extreme
1330	species
813	nearly
1176	extreme
1330	species
4596	largely
2137	varied
1510	given
949	rise
2149	varieties
1330	species
1926	nine
1330	species
437	marked
9691	capital
9216	letters
493	original
2434	genus
7705	unequal
843	periods
1160	continue
27077	transmit
12845	unaltered
8275	descendants
807	shown
7664	diagram
4262	dotted
4263	lines
5985	unequally
2583	prolonged
5675	upwards
648	process
973	modification
595	represented
7664	diagram
7546	principles
7117	namely
20063	extinction
2100	played
839	part
2536	fully
6806	stocked
1093	country
4	natural
6819	selection
5327	necessarily
2684	acts
285	selected
838	form
3092	advantage
3075	struggle
74	life
2162	forms
3137	constant
2424	tendency
7729	improved
8275	descendants
1330	species
19368	supplant
11813	exterminate
2798	stage
5736	descent
5973	predecessors
493	original
18262	progenitor
791	remembered
17513	competition
1538	generally
3612	severe
2162	forms
813	nearly
592	related
1240	habits
1948	constitution
679	structure
2289	hence
2196	intermediate
2162	forms
1297	earlier
125	states
7729	improved
125	states
1330	species
493	original
2955	parent
1330	species
1538	generally
5421	tend
644	become
3469	extinct
23505	collateral
4263	lines
5736	descent
8267	conquered
7729	improved
4263	lines
6124	modified
1814	offspring
1330	species
919	get
2115	distinct
1093	country
644	become
2593	quickly
4233	adapted
8937	station
1814	offspring
18262	progenitor
1070	come
17513	competition
1160	continue
875	exist
7664	diagram
2283	assumed
3475	represent
3267	considerable
2719	amount
973	modification
1330	species
1297	earlier
2149	varieties
644	become
3469	extinct
2930	replaced
2770	eight
1330	species
1330	species
2930	replaced
1330	species
1824	go
1012	further
493	original
1330	species
2434	genus
4480	supposed
1957	resemble
7705	unequal
5627	degrees
1538	generally
2331	case
439	nature
1330	species
813	nearly
592	related
1330	species
1330	species
1025	others
1330	species
4480	supposed
733	common
2585	widely
937	diffused
1330	species
6818	originally
3092	advantage
1330	species
2434	genus
6124	modified
8275	descendants
5544	fourteen
2554	number
5544	fourteen
47428	thousandth
1246	generation
6959	inherited
3057	advantages
6124	modified
7729	improved
8525	diversified
1296	manner
2798	stage
5736	descent
644	become
4233	adapted
592	related
1184	places
4	natural
2876	economy
1093	country
1193	seems
834	therefore
2232	extremely
855	probable
976	taken
1184	places
659	thus
7828	exterminated
1203	parents
493	original
1330	species
813	nearly
592	related
1203	parents
2289	hence
493	original
1330	species
7954	transmitted
1814	offspring
5544	fourteen
47428	thousandth
1246	generation
2309	suppose
1330	species
796	closely
592	related
1926	nine
493	original
1330	species
7954	transmitted
8275	descendants
1927	late
2798	stage
5736	descent
1330	species
7664	diagram
3199	descended
493	original
6298	eleven
1330	species
1828	fifteen
2554	number
3357	owing
8542	divergent
2424	tendency
4	natural
6819	selection
1176	extreme
2719	amount
2178	difference
35	character
1330	species
731	greater
2115	distinct
493	original
6298	eleven
1330	species
1330	species
932	moreover
797	allied
2585	widely
1296	manner
2770	eight
8275	descendants
437	marked
813	nearly
592	related
4461	recently
13295	branched
32797	diverged
1297	earlier
2772	period
2069	degree
2115	distinct
7312	named
1330	species
5177	lastly
813	nearly
592	related
32797	diverged
7277	commencement
648	process
973	modification
2585	widely
1330	species
1271	constitute
7271	sub
2434	genus
2115	distinct
2434	genus
8275	descendants
838	form
7271	sub
6233	genera
6233	genera
493	original
1330	species
7649	differed
4596	largely
2284	standing
813	nearly
1176	extreme
612	end
493	original
2434	genus
8275	descendants
3357	owing
1200	inheritance
994	differ
2173	considerably
2770	eight
8275	descendants
2830	groups
932	moreover
4480	supposed
3410	gone
4064	diverging
5367	directions
2196	intermediate
1330	species
5118	consideration
3553	connected
493	original
1330	species
644	become
3469	extinct
8275	descendants
2289	hence
1330	species
3199	descended
2770	eight
8275	descendants
23458	ranked
2115	distinct
6233	genera
2115	distinct
7271	sub
2718	families
659	thus
5363	believe
6233	genera
40	produced
5736	descent
973	modification
1330	species
2434	genus
2955	parent
1330	species
4480	supposed
3199	descended
1330	species
1297	earlier
2434	genus
7664	diagram
7735	indicated
1673	broken
4263	lines
9691	capital
9216	letters
32552	converging
7271	sub
1543	branches
6519	downwards
2168	single
223	point
223	point
7194	represents
1330	species
4480	supposed
18262	progenitor
7271	sub
6233	genera
6233	genera
4727	worth
9885	reflect
1087	moment
35	character
1330	species
4480	supposed
32797	diverged
35	character
8434	retained
838	form
12845	unaltered
5754	altered
972	slight
2069	degree
2331	case
43973	affinities
5544	fourteen
1330	species
1918	curious
67355	circuitous
439	nature
3199	descended
838	form
4332	stood
2955	parent
1330	species
4480	supposed
3469	extinct
1191	unknown
2069	degree
2196	intermediate
35	character
2830	groups
3199	descended
1330	species
2830	groups
3410	gone
4064	diverging
35	character
2713	type
1203	parents
1330	species
2196	intermediate
2727	types
2830	groups
192	naturalist
1172	able
1113	call
2643	cases
2443	mind
7664	diagram
4772	horizontal
3915	line
10150	hitherto
4480	supposed
3475	represent
496	thousand
2811	generations
3475	represent
2756	million
2811	generations
3475	represent
6029	section
3697	successive
6016	strata
64	earth
3533	crust
5384	including
3469	extinct
525	remains
1070	come
2851	chapter
38061	geology
1367	refer
427	subject
1260	think
486	see
7664	diagram
1650	throws
3104	light
43973	affinities
3469	extinct
1021	beings
1538	generally
5238	belonging
5873	orders
2718	families
6233	genera
2069	degree
2196	intermediate
35	character
1138	existing
2830	groups
5860	understand
714	fact
3469	extinct
1330	species
1360	lived
6	various
4174	remote
41334	epochs
4482	branching
4263	lines
5736	descent
32797	diverged
486	see
1765	reason
1375	limit
648	process
973	modification
8494	explained
7639	formation
6233	genera
7664	diagram
2309	suppose
2719	amount
889	change
595	represented
3697	successive
2846	group
4064	diverging
4262	dotted
4263	lines
790	great
2162	forms
437	marked
437	marked
437	marked
838	form
2115	distinct
6233	genera
2115	distinct
6233	genera
3199	descended
6195	differing
2585	widely
8275	descendants
2830	groups
6233	genera
659	thus
838	form
2115	distinct
2718	families
5873	orders
1123	according
2719	amount
8542	divergent
973	modification
4480	supposed
595	represented
7664	diagram
2718	families
5873	orders
3199	descended
1330	species
493	original
2434	genus
4480	supposed
3199	descended
4347	ancient
1191	unknown
838	form
417	seen
1093	country
1330	species
5238	belonging
712	larger
6233	genera
28170	oftenest
2149	varieties
22306	incipient
1330	species
815	indeed
2896	expected
4	natural
6819	selection
2684	acts
838	form
3092	advantage
2162	forms
3075	struggle
844	existence
767	chiefly
1178	act
3092	advantage
67342	largeness
2846	group
2201	shows
1330	species
6959	inherited
733	common
8288	ancestor
3092	advantage
733	common
2289	hence
3075	struggle
9506	production
6124	modified
8275	descendants
3180	mainly
3275	lie
712	larger
2830	groups
3150	trying
2764	increase
2554	number
2846	group
1833	slowly
19432	conquer
2846	group
6975	reduce
2554	number
659	thus
6891	lessen
2717	chance
1012	further
2174	variation
11299	improvement
2846	group
2089	highly
1058	perfected
7271	sub
2830	groups
4482	branching
1625	seizing
1184	places
67339	polity
439	nature
454	constantly
5421	tend
19368	supplant
2244	destroy
1297	earlier
7729	improved
7271	sub
2830	groups
1673	broken
2830	groups
7271	sub
2830	groups
4184	finally
1088	disappear
3035	looking
2984	future
39575	predict
2830	groups
21627	organic
1021	beings
10697	triumphant
1673	broken
10194	suffered
20063	extinction
2772	period
1160	continue
2764	increase
2830	groups
7745	ultimately
8381	prevail
303	man
39575	predict
420	know
2830	groups
2647	formerly
5203	extensively
946	developed
644	become
3469	extinct
3035	looking
11673	remotely
2984	future
39575	predict
3357	owing
649	continued
5756	steady
2764	increase
712	larger
2830	groups
617	multitude
1353	smaller
2830	groups
644	become
10231	utterly
3469	extinct
2026	leave
6124	modified
8275	descendants
5341	consequently
1330	species
2772	period
2232	extremely
27077	transmit
8275	descendants
4174	remote
49139	futurity
578	return
427	subject
2851	chapter
7167	classification
2976	add
1123	according
4991	view
2232	extremely
4347	ancient
1330	species
7954	transmitted
8275	descendants
967	day
8275	descendants
1330	species
838	form
3195	class
5860	understand
875	exist
5039	classes
3217	main
5319	division
67	animal
689	vegetable
27010	kingdoms
4347	ancient
1330	species
6124	modified
8275	descendants
4174	remote
6220	geological
843	periods
64	earth
10361	peopled
1330	species
6233	genera
2718	families
5873	orders
5039	classes
967	day
2069	degree
12920	organisation
580	tends
2814	advance
4	natural
6819	selection
2684	acts
842	exclusively
13231	preservation
4302	accumulation
6816	variations
3880	beneficial
21627	organic
8500	inorganic
539	conditions
736	creature
4079	exposed
843	periods
74	life
13737	ultimate
1363	result
736	creature
580	tends
644	become
7729	improved
313	relation
539	conditions
11299	improvement
6009	inevitably
1013	leads
1642	gradual
20156	advancement
12920	organisation
731	greater
2554	number
1021	beings
535	world
874	enter
4660	intricate
427	subject
415	naturalists
7118	defined
1127	satisfaction
2074	meant
2814	advance
12920	organisation
7204	vertebrata
2069	degree
6309	intellect
1469	approach
679	structure
303	man
2751	clearly
1070	come
5809	play
1672	thought
2719	amount
889	change
6	various
748	parts
1589	organs
587	pass
955	development
17631	embryo
2760	maturity
3054	suffice
1124	standard
2675	comparison
2643	cases
1885	parasitic
3728	crustaceans
748	parts
679	structure
644	become
947	perfect
3331	mature
67	animal
661	called
1027	higher
3639	larva
7757	von
67137	baer
1124	standard
1193	seems
2585	widely
9433	applicable
7117	namely
2719	amount
21320	differentiation
748	parts
21627	organic
1825	adult
1032	state
2547	inclined
2976	add
67356	specialisation
1024	functions
45135	milne
19525	edwards
9491	express
9873	completeness
5319	division
7045	physiological
10555	labour
486	see
7734	obscure
427	subject
1851	look
3282	instance
295	fishes
415	naturalists
1570	rank
2041	highest
17048	sharks
1469	approach
4424	nearest
2783	amphibians
415	naturalists
1570	rank
733	common
2190	bony
67357	teleostean
295	fishes
2041	highest
14435	inasmuch
6020	strictly
355	fish
994	differ
2748	vertebrate
5039	classes
486	see
3733	plainly
9993	obscurity
427	subject
5070	turning
447	plants
1124	standard
6309	intellect
954	course
822	excluded
17403	botanists
1570	rank
447	plants
2041	highest
1412	organ
21388	sepals
8413	petals
5851	stamens
21233	pistils
2536	fully
946	developed
939	flower
17403	botanists
462	truth
1851	look
447	plants
1589	organs
6124	modified
2839	reduced
2554	number
2041	highest
953	take
1124	standard
12920	organisation
2719	amount
21320	differentiation
67356	specialisation
1589	organs
1825	adult
6991	include
20156	advancement
6088	brain
9385	intellectual
1045	purposes
4	natural
6819	selection
2751	clearly
1013	leads
1124	standard
67358	physiologists
5314	admit
67356	specialisation
1589	organs
14435	inasmuch
1032	state
6633	perform
1024	functions
3092	advantage
2289	hence
4302	accumulation
6816	variations
8393	tending
67356	specialisation
21438	scope
4	natural
6819	selection
418	hand
486	see
3297	bearing
2443	mind
21627	organic
1021	beings
12142	striving
2764	increase
41837	ratio
1466	seize
34873	unoccupied
1753	occupied
1216	place
2876	economy
439	nature
4	natural
6819	selection
945	gradually
1878	fit
4462	situation
1589	organs
34154	superfluous
5281	useless
2643	cases
32630	retrogression
1028	scale
12920	organisation
12920	organisation
2765	actually
2738	advanced
49101	remotest
6220	geological
843	periods
967	day
16648	conveniently
11363	discussed
2851	chapter
6220	geological
1607	succession
8387	objected
21627	organic
1021	beings
659	thus
5421	tend
949	rise
1028	scale
535	world
617	multitude
2749	lowest
2162	forms
875	exist
790	great
3195	class
2162	forms
2089	highly
946	developed
1025	others
876	why
2089	highly
946	developed
2162	forms
1565	where
23695	supplanted
7828	exterminated
1879	lower
48208	lamarck
7717	believed
27594	innate
12831	inevitable
2424	tendency
6148	perfection
21627	organic
1021	beings
1193	seems
2452	felt
2125	difficulty
800	strongly
441	led
2309	suppose
515	simple
2162	forms
4865	continually
40	produced
3519	spontaneous
1246	generation
392	science
2412	proved
462	truth
5542	belief
2984	future
12219	reveal
6055	theory
649	continued
844	existence
2854	lowly
21525	organisms
8417	offers
2125	difficulty
4	natural
6819	selection
33005	survival
35457	fittest
5327	necessarily
6991	include
3430	progressive
955	development
878	takes
3092	advantage
6816	variations
5952	arise
3880	beneficial
736	creature
6319	complex
501	relations
74	life
8041	asked
3092	advantage
486	see
67359	infusorian
56353	animalcule
22125	intestinal
963	worm
64	earth
963	worm
2089	highly
60453	organised
3092	advantage
2162	forms
4	natural
6819	selection
67360	unimproved
7729	improved
656	remain
3993	indefinite
5050	ages
2854	lowly
725	condition
38061	geology
3091	tells
2749	lowest
2162	forms
56355	infusoria
67361	rhizopods
1452	remained
2584	enormous
2772	period
813	nearly
1032	state
2309	suppose
1138	existing
1788	low
2162	forms
2738	advanced
3545	dawn
74	life
2232	extremely
4409	rash
192	naturalist
5256	dissected
1021	beings
23458	ranked
1788	low
1028	scale
6185	struck
20080	wondrous
541	beautiful
12920	organisation
813	nearly
2086	remarks
9433	applicable
1851	look
3202	grades
12920	organisation
790	great
2846	group
3282	instance
7204	vertebrata
388	co
844	existence
1572	mammals
355	fish
7172	mammalia
388	co
844	existence
303	man
67346	ornithorhynchus
295	fishes
388	co
844	existence
17047	shark
67362	lancelet
67363	amphioxus
2330	latter
355	fish
1176	extreme
582	simplicity
679	structure
2594	approaches
9253	invertebrate
5039	classes
1572	mammals
355	fish
2709	hardly
1070	come
17513	competition
20156	advancement
3195	class
1572	mammals
2376	members
3195	class
2041	highest
3499	grade
4066	lead
900	taking
1216	place
295	fishes
67358	physiologists
5363	believe
6088	brain
12662	bathed
3454	warm
1103	blood
2089	highly
735	active
971	requires
37451	aerial
22416	respiration
3454	warm
1061	blooded
1572	mammals
4044	inhabiting
635	water
3275	lie
8392	disadvantage
1070	come
4865	continually
935	surface
1069	breathe
295	fishes
2376	members
17047	shark
1161	family
5421	tend
19368	supplant
67362	lancelet
67362	lancelet
550	hear
31999	fritz
27889	muller
1554	sole
9601	companion
23499	competitor
8159	barren
3891	sandy
2787	shore
2627	south
3392	brazil
34968	anomalous
67364	annelid
2749	lowest
5873	orders
1572	mammals
7117	namely
67353	marsupials
64094	edentata
4027	rodents
388	co
875	exist
2627	south
1254	america
2293	region
2552	numerous
8661	monkeys
5939	interfere
12920	organisation
2738	advanced
6175	advancing
535	world
1028	scale
5627	degrees
6148	perfection
20156	advancement
5039	classes
2376	members
3195	class
5327	necessarily
4066	lead
20063	extinction
2830	groups
874	enter
17513	competition
2643	cases
2995	hereafter
486	see
2854	lowly
60453	organised
2162	forms
860	appear
6438	preserved
967	day
4044	inhabiting
5200	confined
1567	peculiar
22713	stations
1565	where
6664	subjected
3612	severe
17513	competition
1565	where
7672	scanty
1159	numbers
13492	retarded
2717	chance
14207	favourable
6816	variations
3262	arising
4184	finally
5363	believe
2854	lowly
60453	organised
2162	forms
875	exist
535	world
6	various
6065	causes
2643	cases
6816	variations
2143	individual
2147	differences
14207	favourable
439	nature
8662	arisen
4	natural
6819	selection
1178	act
7414	accumulate
2331	case
607	time
32912	sufficed
6068	utmost
2719	amount
955	development
2643	cases
1113	call
32630	retrogression
12920	organisation
3217	main
3893	cause
468	lies
714	fact
515	simple
539	conditions
74	life
12920	organisation
5228	service
3333	possibly
5274	actual
40149	disservice
1053	delicate
439	nature
4608	liable
640	put
534	order
1692	injured
3035	looking
3545	dawn
74	life
21627	organic
1021	beings
5363	believe
2179	presented
6980	simplest
679	structure
8041	asked
1556	step
20156	advancement
21320	differentiation
748	parts
8662	arisen
390	mr
8789	herbert
13974	spencer
579	answer
515	simple
46031	unicellular
21525	organisms
2576	came
298	growth
5319	division
17366	compounded
3551	cells
4676	became
615	attached
14295	supporting
935	surface
3174	law
27996	homologous
14408	units
534	order
644	become
18025	differentiated
537	proportion
501	relations
6581	incident
5484	forces
644	become
1070	come
469	action
1651	facts
6207	guide
18601	speculation
427	subject
5281	useless
18323	error
2309	suppose
3075	struggle
844	existence
5341	consequently
4	natural
6819	selection
2162	forms
40	produced
6816	variations
2168	single
1330	species
4044	inhabiting
3905	isolated
8937	station
3880	beneficial
659	thus
119	mass
2142	individuals
6124	modified
2115	distinct
2162	forms
5952	arise
6129	remarked
599	introduction
1190	feel
1674	surprise
2194	remaining
13710	unexplained
2474	origin
1330	species
473	make
384	due
7056	allowance
7379	profound
9899	ignorance
4187	mutual
501	relations
6224	inhabitants
535	world
607	time
5050	ages
67143	convergence
35	character
390	mr
21080	watson
2119	thinks
39949	overrated
795	importance
46257	divergence
35	character
2022	apparently
7826	believes
67143	convergence
661	called
2100	played
839	part
1330	species
5238	belonging
2115	distinct
797	allied
6233	genera
40	produced
2554	number
8542	divergent
2162	forms
12842	conceivable
1469	approach
796	closely
5198	classed
2434	genus
659	thus
8275	descendants
2115	distinct
6233	genera
39477	converge
2643	cases
2232	extremely
4409	rash
7016	attribute
67143	convergence
915	general
2460	similarity
679	structure
6124	modified
8275	descendants
2585	widely
2115	distinct
2162	forms
830	shape
895	crystal
5865	determined
5258	solely
41041	molecular
5484	forces
3166	surprising
8347	dissimilar
691	substances
1563	assume
838	form
21627	organic
1021	beings
1969	bear
2443	mind
838	form
5261	depends
52215	infinitude
6319	complex
501	relations
7117	namely
6816	variations
8662	arisen
384	due
6065	causes
4660	intricate
1189	followed
439	nature
6816	variations
6438	preserved
285	selected
5261	depends
4147	surrounding
6151	physical
539	conditions
1027	higher
2069	degree
4147	surrounding
21525	organisms
1070	come
17513	competition
5177	lastly
1200	inheritance
16254	fluctuating
452	element
602	innumerable
18252	progenitors
2162	forms
5865	determined
3209	equally
6319	complex
501	relations
16114	incredible
8275	descendants
21525	organisms
6818	originally
7649	differed
437	marked
1296	manner
4367	afterwards
39477	converge
796	closely
4066	lead
1469	approach
21886	identity
12920	organisation
7767	occurred
2188	meet
838	form
3421	independently
67365	genetic
2446	connection
37848	recurring
2585	widely
942	separated
6220	geological
41338	formations
1492	balance
1238	evidence
12744	opposed
11465	admission
390	mr
21080	watson
8387	objected
649	continued
469	action
4	natural
6819	selection
46257	divergence
35	character
5421	tend
473	make
3993	indefinite
2554	number
7817	specific
2162	forms
2116	mere
8500	inorganic
539	conditions
6076	concerned
1193	seems
855	probable
3948	sufficient
2554	number
1330	species
644	become
4233	adapted
3267	considerable
37793	diversities
3441	heat
3366	moisture
197	etc
2536	fully
5314	admit
4187	mutual
501	relations
21627	organic
1021	beings
2554	number
1330	species
1093	country
478	goes
2767	increasing
21627	organic
539	conditions
74	life
644	become
6319	complex
5341	consequently
1193	seems
1375	limit
2719	amount
12100	profitable
50568	diversification
679	structure
834	therefore
1375	limit
2554	number
1330	species
40	produced
420	know
1153	prolific
2433	area
2536	fully
6806	stocked
7817	specific
2162	forms
2276	cape
1205	good
1206	hope
3225	australia
1311	support
2312	astonishing
2554	number
1330	species
1305	european
447	plants
644	become
58855	naturalised
38061	geology
2201	shows
839	part
8144	tertiary
2772	period
2554	number
1330	species
488	shells
2221	middle
839	part
2772	period
2554	number
1572	mammals
1414	greatly
5105	increased
9560	checks
3993	indefinite
2764	increase
2554	number
1330	species
2719	amount
74	life
2725	mean
2554	number
7817	specific
2162	forms
1990	supported
2433	area
1375	limit
6910	depending
4596	largely
6151	physical
539	conditions
834	therefore
2433	area
2648	inhabited
1330	species
813	nearly
1330	species
595	represented
2142	individuals
1330	species
4608	liable
12628	extermination
4983	accidental
23477	fluctuations
439	nature
4948	seasons
2554	number
2029	enemies
648	process
12628	extermination
2643	cases
3790	rapid
9506	production
1330	species
1818	slow
5929	imagine
1176	extreme
2331	case
1330	species
2142	individuals
174	england
3612	severe
309	winter
715	dry
3593	summer
11813	exterminate
2714	thousands
2714	thousands
1330	species
1875	rare
1330	species
1330	species
644	become
1875	rare
2554	number
1330	species
1093	country
762	becomes
848	indefinitely
5105	increased
230	principal
8494	explained
1510	given
2772	period
14207	favourable
6816	variations
5341	consequently
648	process
1638	giving
1813	birth
7817	specific
2162	forms
659	thus
13492	retarded
1330	species
762	becomes
1875	rare
65119	interbreeding
1220	help
11813	exterminate
17166	authors
1672	thought
2637	comes
5809	play
17053	accounting
21890	deterioration
67366	aurochs
50969	lithuania
3760	red
2742	deer
20243	scotland
3272	bears
9665	norway
197	etc
5177	lastly
2547	inclined
1260	think
452	element
8729	dominant
1330	species
765	beaten
7290	competitors
5421	tend
2432	spread
19368	supplant
1025	others
67352	alph
1771	de
67254	candolle
807	shown
1330	species
2432	spread
2585	widely
5421	tend
1538	generally
2432	spread
2585	widely
5341	consequently
5421	tend
19368	supplant
11813	exterminate
1330	species
22441	areas
659	thus
5066	check
49830	inordinate
2764	increase
7817	specific
2162	forms
535	world
1355	dr
49806	hooker
4461	recently
807	shown
20993	southeast
7134	corner
3225	australia
1565	where
2022	apparently
6431	invaders
2895	quarters
17083	globe
42590	endemic
3470	australian
1330	species
1414	greatly
2839	reduced
2554	number
1973	weight
7016	attribute
8312	considerations
2671	pretend
548	say
32580	conjointly
1375	limit
1093	country
2424	tendency
3993	indefinite
39737	augmentation
7817	specific
2162	forms
22545	summary
2851	chapter
2615	changing
539	conditions
74	life
21627	organic
1021	beings
2143	individual
2147	differences
839	part
679	structure
18503	disputed
3357	owing
6121	geometrical
2243	rate
2764	increase
3612	severe
3075	struggle
74	life
1829	age
2923	season
2658	year
1438	certainly
18503	disputed
6481	infinite
7049	complexity
501	relations
21627	organic
1021	beings
539	conditions
74	life
6871	causing
6481	infinite
7466	diversity
679	structure
1948	constitution
1240	habits
6869	advantageous
6094	extraordinary
714	fact
6816	variations
7767	occurred
5124	useful
5119	welfare
1296	manner
6816	variations
7767	occurred
5124	useful
303	man
6816	variations
5124	useful
21627	organic
1798	occur
10576	assuredly
2142	individuals
659	thus
12259	characterised
2717	chance
6438	preserved
3075	struggle
74	life
2341	strong
1151	principle
1200	inheritance
5421	tend
887	produce
1814	offspring
7062	similarly
12259	characterised
1151	principle
13231	preservation
33005	survival
35457	fittest
661	called
4	natural
6819	selection
1013	leads
11299	improvement
736	creature
313	relation
21627	organic
8500	inorganic
539	conditions
74	life
5341	consequently
2643	cases
5703	regarded
2814	advance
12920	organisation
1788	low
515	simple
2162	forms
10074	endure
979	fitted
515	simple
539	conditions
74	life
4	natural
6819	selection
1151	principle
5331	qualities
6959	inherited
7029	corresponding
5050	ages
22599	modify
683	egg
732	seed
21	young
941	easily
1825	adult
293	animals
8601	sexual
6819	selection
1510	given
3277	aid
1264	ordinary
6819	selection
18664	assuring
6448	vigorous
4233	adapted
1806	males
1611	greatest
2554	number
1814	offspring
8601	sexual
6819	selection
13	give
7165	characters
5124	useful
1806	males
6352	struggles
34597	rivalry
1806	males
7165	characters
7954	transmitted
2553	sex
4342	sexes
1123	according
838	form
1200	inheritance
7505	prevails
4	natural
6819	selection
659	thus
5751	acted
6775	adapting
6	various
2162	forms
74	life
539	conditions
22713	stations
5329	judged
915	general
67367	tenour
1492	balance
1238	evidence
1510	given
8311	chapters
417	seen
21587	entails
20063	extinction
4596	largely
20063	extinction
5751	acted
535	world
5	history
38061	geology
3733	plainly
20153	declares
4	natural
6819	selection
1013	leads
46257	divergence
35	character
21627	organic
1021	beings
49380	diverge
679	structure
1240	habits
1948	constitution
2554	number
1990	supported
2433	area
486	see
4810	proof
3035	looking
6224	inhabitants
1857	spot
26943	productions
58855	naturalised
6756	foreign
56	lands
834	therefore
973	modification
8275	descendants
1330	species
3160	incessant
3075	struggle
1330	species
2764	increase
1159	numbers
8525	diversified
8275	descendants
644	become
2717	chance
3052	success
3064	battle
74	life
659	thus
2147	differences
3561	distinguishing
2149	varieties
1330	species
8180	steadily
5421	tend
2764	increase
2332	equal
731	greater
2147	differences
1330	species
2434	genus
2115	distinct
6233	genera
417	seen
733	common
2585	widely
937	diffused
2585	widely
9785	ranging
1330	species
5238	belonging
712	larger
6233	genera
3195	class
847	vary
5421	tend
27077	transmit
6124	modified
1814	offspring
13911	superiority
1961	makes
8729	dominant
7142	countries
4	natural
6819	selection
6129	remarked
1013	leads
46257	divergence
35	character
20063	extinction
7729	improved
2196	intermediate
2162	forms
74	life
7546	principles
439	nature
43973	affinities
1538	generally
7118	defined
12809	distinctions
602	innumerable
21627	organic
1021	beings
3195	class
535	world
8494	explained
3138	truly
327	wonderful
714	fact
296	wonder
4583	apt
15594	overlook
7492	familiarity
293	animals
447	plants
607	time
1057	space
592	related
2830	groups
23757	subordinate
2830	groups
1296	manner
5525	everywhere
5592	behold
7117	namely
2149	varieties
1330	species
796	closely
592	related
1330	species
2434	genus
796	closely
5985	unequally
592	related
763	forming
7202	sections
7271	sub
6233	genera
1330	species
2115	distinct
6233	genera
796	closely
592	related
6233	genera
592	related
5627	degrees
763	forming
7271	sub
2718	families
2718	families
5873	orders
7271	sub
5039	classes
5039	classes
23757	subordinate
2830	groups
3195	class
23458	ranked
2168	single
6943	file
1125	seem
9055	clustered
2438	points
2438	points
23231	endless
45934	cycles
1330	species
3421	independently
2826	created
6958	explanation
958	kind
7167	classification
8494	explained
1200	inheritance
6319	complex
469	action
4	natural
6819	selection
36074	entailing
20063	extinction
46257	divergence
35	character
417	seen
103	illustrated
7664	diagram
43973	affinities
1021	beings
3195	class
595	represented
790	great
492	tree
5363	believe
39308	simile
4596	largely
1536	speaks
462	truth
880	green
15802	budding
1906	twigs
3475	represent
1138	existing
1330	species
40	produced
116	former
436	years
3475	represent
1607	succession
3469	extinct
1330	species
2772	period
298	growth
1832	growing
1906	twigs
2081	tried
1596	branch
584	sides
67368	overtop
5000	kill
4147	surrounding
1906	twigs
1543	branches
1296	manner
1330	species
2830	groups
1330	species
884	times
39246	overmastered
1330	species
790	great
3064	battle
74	life
1533	limbs
5038	divided
790	great
1543	branches
7536	lesser
7536	lesser
1543	branches
492	tree
21	young
15802	budding
1906	twigs
39519	connexion
116	former
3600	buds
67369	ramifying
1543	branches
3475	represent
7167	classification
3469	extinct
1330	species
2830	groups
23757	subordinate
2830	groups
1906	twigs
9180	flourished
492	tree
2116	mere
4515	bush
2810	grown
790	great
1543	branches
2732	survive
1969	bear
1543	branches
1330	species
1360	lived
6220	geological
843	periods
6124	modified
8275	descendants
298	growth
492	tree
2311	limb
1596	branch
4205	decayed
1162	dropped
3881	fallen
1543	branches
6	various
3840	sizes
3475	represent
5873	orders
2718	families
6233	genera
3946	representatives
664	known
6834	fossil
1032	state
486	see
2607	thin
11297	straggling
1596	branch
12353	springing
4124	fork
1788	low
492	tree
2717	chance
9629	favoured
865	alive
1876	summit
1744	occasionally
486	see
67	animal
67346	ornithorhynchus
67347	lepidosiren
2069	degree
27797	connects
43973	affinities
1543	branches
74	life
2022	apparently
7123	saved
2413	fatal
17513	competition
2648	inhabited
4228	protected
8937	station
3600	buds
13	give
949	rise
298	growth
568	fresh
3600	buds
6448	vigorous
1596	branch
67368	overtop
584	sides
10250	feebler
1596	branch
1246	generation
5363	believe
790	great
492	tree
74	life
1043	fills
873	dead
1673	broken
1543	branches
3533	crust
64	earth
1932	covers
935	surface
4482	branching
541	beautiful
7528	ramifications
2851	chapter
509	laws
2174	variation
17321	effects
1086	changed
539	conditions
7	use
10544	disuse
727	combined
4	natural
6819	selection
1589	organs
1644	flight
2097	vision
67144	acclimatisation
67141	correlated
2174	variation
23758	compensation
2876	economy
298	growth
2006	false
67145	correlations
41493	multiple
943	rudimentary
2854	lowly
60453	organised
4560	structures
925	variable
748	parts
946	developed
2314	unusual
1296	manner
2089	highly
925	variable
7817	specific
7165	characters
925	variable
18590	generic
16491	secondary
8601	sexual
7165	characters
925	variable
1330	species
2434	genus
847	vary
3285	analogous
1296	manner
67146	reversions
465	lost
7165	characters
22545	summary
10150	hitherto
5841	spoken
6816	variations
733	common
32790	multiform
21627	organic
1021	beings
2345	domestication
7536	lesser
2069	degree
439	nature
384	due
2717	chance
954	course
716	wholly
8777	incorrect
2744	expression
2002	serves
14273	acknowledge
3733	plainly
9899	ignorance
3893	cause
2917	particular
2174	variation
17166	authors
5363	believe
5970	function
61494	reproductive
4412	system
887	produce
2143	individual
2147	differences
972	slight
28622	deviations
679	structure
473	make
505	child
1203	parents
714	fact
6816	variations
56385	monstrosities
6577	occurring
1365	frequently
2345	domestication
439	nature
731	greater
2122	variability
1330	species
1670	wide
4473	ranges
21563	restricted
4473	ranges
4066	lead
6630	conclusion
2122	variability
1538	generally
592	related
539	conditions
74	life
1330	species
4079	exposed
3697	successive
2811	generations
2851	chapter
2225	attempted
1725	show
1086	changed
539	conditions
1178	act
446	ways
12920	organisation
748	parts
5293	indirectly
61494	reproductive
4412	system
2643	cases
6977	factors
439	nature
22183	organism
439	nature
539	conditions
1304	direct
469	action
1086	changed
539	conditions
1013	leads
893	definite
3993	indefinite
5065	results
2330	latter
2331	case
12920	organisation
1193	seems
644	become
41336	plastic
16254	fluctuating
2122	variability
116	former
2331	case
439	nature
22183	organism
782	yields
1443	readily
6664	subjected
539	conditions
813	nearly
2142	individuals
644	become
6124	modified
1242	difficult
2455	decide
1086	changed
539	conditions
4168	climate
966	food
197	etc
5751	acted
893	definite
1296	manner
1765	reason
5363	believe
954	course
607	time
17321	effects
731	greater
2412	proved
431	clear
1238	evidence
1218	safely
4410	conclude
602	innumerable
6319	complex
388	co
7024	adaptations
679	structure
486	see
439	nature
6	various
21627	organic
1021	beings
7011	attributed
911	simply
469	action
2643	cases
539	conditions
1125	seem
40	produced
972	slight
893	definite
5087	effect
5440	forbes
2326	asserts
488	shells
4097	southern
1375	limit
4305	shallow
635	water
7911	brightly
3288	coloured
1330	species
1012	further
2278	north
731	greater
2503	depth
1438	certainly
1067	hold
1205	good
390	mr
5825	gould
7826	believes
294	birds
1330	species
7911	brightly
3288	coloured
431	clear
920	atmosphere
2642	coast
1333	islands
45679	wollaston
8773	convinced
6703	residence
65	sea
6037	affects
3038	colours
1699	insects
67370	moquin
67371	tandon
695	gives
245	list
447	plants
1832	growing
65	sea
2787	shore
586	leaves
2069	degree
5776	fleshy
3468	elsewhere
5776	fleshy
1495	slightly
6422	varying
21525	organisms
429	interesting
7165	characters
3285	analogous
1393	possessed
1330	species
5200	confined
706	similar
539	conditions
2174	variation
1614	slightest
7	use
490	tell
7016	attribute
67220	accumulative
469	action
4	natural
6819	selection
893	definite
469	action
539	conditions
74	life
659	thus
664	known
46741	furriers
293	animals
1330	species
4573	thicker
7282	fur
1012	further
2278	north
1653	live
490	tell
2178	difference
384	due
8921	warmest
4432	clad
2142	individuals
9629	favoured
6438	preserved
2811	generations
469	action
3612	severe
4168	climate
860	appear
4168	climate
1304	direct
469	action
1821	hair
2897	domestic
7260	quadrupeds
2746	instances
1510	given
706	similar
2149	varieties
40	produced
1330	species
2146	external
539	conditions
74	life
6927	conceived
418	hand
8347	dissimilar
2149	varieties
40	produced
2022	apparently
2146	external
539	conditions
602	innumerable
2746	instances
664	known
192	naturalist
1330	species
1509	keeping
6422	varying
583	opposite
21201	climates
8312	considerations
6649	incline
1090	lay
1973	weight
1304	direct
469	action
4147	surrounding
539	conditions
2424	tendency
847	vary
384	due
6065	causes
6728	ignorant
2096	sense
539	conditions
74	life
867	said
3893	cause
2122	variability
5293	indirectly
6991	include
4	natural
6819	selection
539	conditions
4283	determine
4463	variety
2732	survive
303	man
421	selecting
6193	agent
2751	clearly
486	see
808	elements
889	change
2115	distinct
2122	variability
1296	manner
4725	excited
303	man
5272	accumulates
6816	variations
2073	direction
2330	latter
7200	agency
2875	answers
33005	survival
35457	fittest
439	nature
17321	effects
5105	increased
7	use
10544	disuse
748	parts
14911	controlled
4	natural
6819	selection
1651	facts
8449	alluded
2851	chapter
1260	think
3896	doubt
7	use
2897	domestic
293	animals
6500	strengthened
2304	enlarged
748	parts
10544	disuse
1354	diminished
8343	modifications
6959	inherited
2000	free
439	nature
1124	standard
2675	comparison
5210	judge
17321	effects
649	continued
7	use
10544	disuse
420	know
2955	parent
2162	forms
293	animals
1302	possess
4560	structures
8494	explained
17321	effects
10544	disuse
200	professor
2213	owen
6129	remarked
731	greater
34875	anomaly
439	nature
321	bird
962	fly
1032	state
67372	logger
3252	headed
5578	duck
2627	south
1254	america
5741	flap
935	surface
635	water
742	wings
813	nearly
725	condition
2897	domestic
47175	aylesbury
5578	duck
841	remarkable
714	fact
21	young
294	birds
1123	according
390	mr
27246	cunningham
962	fly
3947	adults
465	lost
1627	power
712	larger
626	ground
964	feeding
294	birds
2322	seldom
953	take
1644	flight
1157	escape
1470	danger
855	probable
813	nearly
3718	wingless
725	condition
294	birds
4044	inhabiting
2359	lately
2648	inhabited
49883	oceanic
1333	islands
51436	tenanted
7127	beasts
332	prey
4377	caused
10544	disuse
3488	ostrich
815	indeed
2623	inhabits
15296	continents
4079	exposed
1470	danger
1157	escape
1644	flight
2034	defend
7953	kicking
2029	enemies
17492	efficiently
7260	quadrupeds
5363	believe
18262	progenitor
3488	ostrich
2434	genus
1240	habits
44332	bustard
885	size
1973	weight
739	body
5105	increased
3697	successive
2811	generations
743	legs
742	wings
4676	became
11414	incapable
1644	flight
6078	kirby
6129	remarked
2202	observed
714	fact
6354	anterior
66074	tarsi
1346	feet
1183	male
5442	dung
964	feeding
3654	beetles
1673	broken
675	examined
5552	seventeen
2656	specimens
9394	collection
16587	relic
67373	onites
67374	apelles
66074	tarsi
1562	habitually
465	lost
1083	insect
2395	described
6233	genera
943	rudimentary
725	condition
67375	ateuchus
1209	sacred
3758	beetle
18841	egyptians
6594	totally
9646	deficient
1238	evidence
4983	accidental
60127	mutilations
6959	inherited
22373	decisive
841	remarkable
2643	cases
2202	observed
239	brown
67376	sequard
2490	guinea
9678	pigs
6959	inherited
17321	effects
3015	operations
473	make
13102	cautious
6802	denying
2424	tendency
2289	hence
11487	safest
1851	look
3308	entire
4815	absence
6354	anterior
66074	tarsi
67375	ateuchus
943	rudimentary
725	condition
6233	genera
2643	cases
6959	inherited
60127	mutilations
384	due
17321	effects
649	continued
10544	disuse
5442	dung
964	feeding
3654	beetles
1538	generally
670	found
66074	tarsi
465	lost
650	happen
74	life
834	therefore
66074	tarsi
795	importance
1699	insects
2643	cases
941	easily
640	put
10544	disuse
8343	modifications
679	structure
716	wholly
3180	mainly
384	due
4	natural
6819	selection
390	mr
45679	wollaston
2396	discovered
841	remarkable
714	fact
3654	beetles
1330	species
664	known
4044	inhabiting
21077	madeira
9646	deficient
742	wings
962	fly
100	twenty
1926	nine
42590	endemic
6233	genera
100	twenty
1330	species
725	condition
1651	facts
7117	namely
3654	beetles
748	parts
535	world
1365	frequently
8021	blown
65	sea
4974	perish
3654	beetles
21077	madeira
2202	observed
390	mr
45679	wollaston
3275	lie
4254	concealed
7640	wind
56285	lulls
1921	sun
22735	shines
537	proportion
3718	wingless
3654	beetles
712	larger
4079	exposed
67377	desertas
21077	madeira
1731	especially
6094	extraordinary
714	fact
800	strongly
455	insisted
390	mr
45679	wollaston
2830	groups
3654	beetles
3468	elsewhere
6668	excessively
2552	numerous
3126	absolutely
1641	require
7	use
742	wings
781	entirely
7733	absent
8312	considerations
473	make
5363	believe
3718	wingless
725	condition
21077	madeira
3654	beetles
3180	mainly
384	due
469	action
4	natural
6819	selection
727	combined
10544	disuse
3697	successive
2811	generations
2143	individual
3758	beetle
4190	flew
742	wings
1323	perfectly
946	developed
32608	indolent
479	habit
2717	chance
8721	surviving
8021	blown
65	sea
418	hand
3654	beetles
1443	readily
1754	took
1644	flight
28170	oftenest
8021	blown
65	sea
659	thus
2797	destroyed
1699	insects
21077	madeira
626	ground
5739	feeders
939	flower
964	feeding
3854	coleoptera
8471	lepidoptera
1562	habitually
7	use
742	wings
5062	gain
3171	subsistence
390	mr
45679	wollaston
34796	suspects
742	wings
2839	reduced
2304	enlarged
9578	compatible
469	action
4	natural
6819	selection
1083	insect
7319	arrived
5048	island
2424	tendency
4	natural
6819	selection
28088	enlarge
6975	reduce
742	wings
5107	depend
731	greater
2554	number
2142	individuals
7123	saved
8986	successfully
36891	battling
3809	winds
1638	giving
2033	attempt
1373	rarely
1571	flying
20953	mariners
26735	shipwrecked
2642	coast
1205	good
3256	swimmers
1172	able
1110	swim
1012	further
2066	bad
3256	swimmers
1172	able
1110	swim
4062	stuck
10214	wreck
1740	eyes
3706	moles
3572	burrowing
4027	rodents
943	rudimentary
885	size
2643	cases
740	covered
2298	skin
7282	fur
1032	state
1740	eyes
384	due
1642	gradual
21893	reduction
10544	disuse
7820	aided
4	natural
6819	selection
2627	south
1254	america
3572	burrowing
60350	rodent
67378	tuco
67378	tuco
67379	ctenomys
8352	subterranean
1240	habits
8845	mole
7685	assured
16416	spaniard
1657	caught
1365	frequently
6082	blind
984	kept
865	alive
1438	certainly
725	condition
3893	cause
886	appeared
29004	dissection
7533	inflammation
64991	nictitating
3588	membrane
2829	frequent
7533	inflammation
1740	eyes
3892	injurious
67	animal
1740	eyes
1438	certainly
485	necessary
293	animals
8352	subterranean
1240	habits
21893	reduction
885	size
32840	adhesion
13131	eyelids
298	growth
7282	fur
2331	case
3092	advantage
4	natural
6819	selection
3277	aid
17321	effects
10544	disuse
664	known
293	animals
5238	belonging
5039	classes
2476	inhabit
4074	caves
34566	carniola
25658	kentucky
6082	blind
64351	crabs
1482	foot
6463	stalk
1315	eye
525	remains
1315	eye
3410	gone
513	stand
16812	telescope
16812	telescope
8936	glasses
465	lost
1242	difficult
5929	imagine
1740	eyes
5281	useless
3892	injurious
293	animals
3562	darkness
6045	loss
7011	attributed
10544	disuse
6082	blind
293	animals
7117	namely
7417	cave
7559	rat
67380	neotoma
2335	captured
200	professor
67381	silliman
1328	half
4634	mile
1405	distance
749	mouth
7417	cave
834	therefore
67382	profoundest
7814	depths
1740	eyes
3037	lustrous
885	size
293	animals
2638	informed
200	professor
67381	silliman
4079	exposed
2064	month
6919	graduated
3104	light
1601	acquired
4718	dim
6941	perception
502	objects
1242	difficult
5929	imagine
539	conditions
74	life
706	similar
1860	deep
16511	limestone
4916	caverns
813	nearly
706	similar
4168	climate
7448	accordance
359	old
4991	view
6082	blind
293	animals
2242	separately
2826	created
1305	european
4916	caverns
2460	similarity
12920	organisation
43973	affinities
2896	expected
1438	certainly
2331	case
1851	look
67383	faunas
968	respect
1699	insects
67384	schiodte
6129	remarked
8380	accordingly
5183	prevented
3308	entire
13228	phenomenon
3104	light
6064	purely
2477	local
2460	similarity
2659	exhibited
2162	forms
8297	mammoth
7417	cave
25658	kentucky
4074	caves
34566	carniola
4597	plain
2744	expression
2239	analogy
55935	subsists
1538	generally
43972	fauna
7317	europe
2278	north
1254	america
4991	view
2309	suppose
293	animals
2643	cases
1264	ordinary
508	powers
2097	vision
1833	slowly
8732	migrated
3697	successive
2811	generations
934	outer
535	world
3958	deeper
3958	deeper
7503	recesses
25658	kentucky
4074	caves
1305	european
293	animals
4074	caves
7317	europe
1238	evidence
67047	gradation
479	habit
67384	schiodte
2086	remarks
8380	accordingly
1851	look
8352	subterranean
67383	faunas
7528	ramifications
4136	penetrated
64	earth
25242	geographically
5045	limited
67383	faunas
9671	adjacent
16279	tracts
2600	extended
3562	darkness
20963	accommodated
4147	surrounding
2364	circumstances
293	animals
4174	remote
1264	ordinary
2162	forms
4010	prepare
6008	transition
3104	light
3562	darkness
5123	follow
4580	constructed
1928	twilight
3603	destined
5891	total
3562	darkness
7639	formation
1567	peculiar
2086	remarks
67384	schiodte
6343	understood
477	apply
2115	distinct
1330	species
607	time
67	animal
4620	reached
6720	numberless
2811	generations
8973	deepest
7503	recesses
10544	disuse
4991	view
1323	perfectly
10583	obliterated
1740	eyes
4	natural
6819	selection
1531	effected
952	changes
2764	increase
1758	length
54287	antennae
67385	palpi
23758	compensation
13337	blindness
8343	modifications
8353	expect
486	see
7417	cave
293	animals
1254	america
43973	affinities
6224	inhabitants
6973	continent
7317	europe
6224	inhabitants
1305	european
6973	continent
2331	case
7417	cave
293	animals
550	hear
200	professor
17189	dana
1305	european
7417	cave
1699	insects
796	closely
797	allied
4147	surrounding
1093	country
1242	difficult
13	give
6960	rational
6958	explanation
43973	affinities
6082	blind
7417	cave
293	animals
6224	inhabitants
15296	continents
1264	ordinary
4991	view
1558	independent
6824	creation
6224	inhabitants
4074	caves
359	old
15061	worlds
796	closely
592	related
8353	expect
664	known
6892	relationship
26943	productions
6082	blind
1330	species
67386	bathyscia
670	found
5064	abundance
12969	shady
487	rocks
4074	caves
6045	loss
2097	vision
7417	cave
1330	species
2434	genus
313	relation
2516	dark
1273	habitation
4	natural
1083	insect
18848	deprived
2097	vision
1443	readily
644	become
4233	adapted
2516	dark
4916	caverns
6082	blind
2434	genus
67387	anophthalmus
8417	offers
841	remarkable
2939	peculiarity
1330	species
390	mr
17980	murray
2126	observes
670	found
8	anywhere
4074	caves
2476	inhabit
4074	caves
7317	europe
1254	america
2115	distinct
18252	progenitors
1330	species
4975	furnished
1740	eyes
2647	formerly
5443	ranged
15296	continents
644	become
3469	extinct
4266	secluded
2352	abodes
6369	feeling
1674	surprise
7417	cave
293	animals
34968	anomalous
517	agassiz
6129	remarked
6812	regard
6082	blind
355	fish
67388	amblyopsis
2331	case
6082	blind
55903	proteus
4601	reference
2813	reptiles
7317	europe
4220	surprised
13130	wrecks
4347	ancient
74	life
6438	preserved
3357	owing
3612	severe
17513	competition
7672	scanty
6224	inhabitants
2516	dark
2352	abodes
4079	exposed
67144	acclimatisation
479	habit
33003	hereditary
447	plants
2772	period
17619	flowering
607	time
1098	sleep
2719	amount
2106	rain
19364	requisite
620	seeds
21259	germinate
197	etc
1013	leads
548	say
523	words
67144	acclimatisation
2232	extremely
733	common
2115	distinct
1330	species
5238	belonging
2434	genus
2476	inhabit
3478	hot
634	cold
7142	countries
1330	species
2434	genus
3199	descended
2168	single
2955	parent
838	form
67144	acclimatisation
1443	readily
1531	effected
954	course
5736	descent
14343	notorious
1330	species
4233	adapted
4168	climate
1330	species
8336	arctic
3512	temperate
2293	region
10074	endure
1252	tropical
4168	climate
34682	conversely
47333	succulent
447	plants
10074	endure
3785	damp
4168	climate
2069	degree
6997	adaptation
1330	species
21201	climates
1653	live
39949	overrated
8474	infer
2829	frequent
6709	inability
39575	predict
17305	imported
621	plant
10074	endure
4168	climate
2554	number
447	plants
293	animals
2657	brought
7142	countries
1323	perfectly
3816	healthy
1765	reason
5363	believe
1330	species
1032	state
439	nature
796	closely
5045	limited
4473	ranges
17513	competition
21627	organic
1021	beings
6997	adaptation
2917	particular
21201	climates
6997	adaptation
2643	cases
1238	evidence
447	plants
3504	becoming
1341	extent
1683	naturally
37819	habituated
21202	temperatures
644	become
58746	acclimatised
659	thus
8053	pines
67389	rhododendrons
1516	raised
732	seed
760	collected
1355	dr
49806	hooker
1330	species
1832	growing
9139	heights
34667	himalayas
670	found
1302	possess
1093	country
32094	constitutional
508	powers
21014	resisting
634	cold
390	mr
49785	thwaites
6968	informs
2202	observed
706	similar
1651	facts
18231	ceylon
3285	analogous
474	observations
413	made
390	mr
21080	watson
1305	european
1330	species
447	plants
2657	brought
34005	azores
174	england
13	give
2643	cases
6812	regard
293	animals
19014	authentic
2746	instances
2248	adduced
1330	species
4596	largely
2600	extended
158	historical
884	times
443	range
3482	warmer
22367	colder
12107	latitudes
34682	conversely
7655	positively
420	know
293	animals
6020	strictly
4233	adapted
2268	native
4168	climate
1264	ordinary
2643	cases
1563	assume
2331	case
420	know
7669	subsequently
644	become
2204	specially
58746	acclimatised
5069	homes
979	fitted
8474	infer
2897	domestic
293	animals
6818	originally
4186	chosen
66225	uncivilised
303	man
5124	useful
6932	bred
1443	readily
7465	confinement
7669	subsequently
670	found
1822	capable
2600	extended
17571	transportation
733	common
6094	extraordinary
10107	capacity
2897	domestic
293	animals
41458	withstanding
21201	climates
1323	perfectly
7902	fertile
16123	severer
2710	test
2247	argument
537	proportion
293	animals
1032	state
439	nature
941	easily
2657	brought
1969	bear
2585	widely
21201	climates
17090	push
5213	foregoing
2247	argument
1089	account
855	probable
2474	origin
2897	domestic
293	animals
343	wild
21025	stocks
1103	blood
3282	instance
1252	tropical
8336	arctic
4089	wolf
10618	mingled
2897	domestic
5047	breeds
7559	rat
4746	mouse
2092	considered
2897	domestic
293	animals
18230	transported
303	man
748	parts
535	world
442	wider
443	range
60350	rodent
1653	live
634	cold
4168	climate
67312	faroe
2278	north
44450	falklands
2627	south
5048	island
21294	torrid
4569	zones
2289	hence
6997	adaptation
4168	climate
4391	looked
11549	quality
1443	readily
57651	grafted
27594	innate
1670	wide
6150	flexibility
1948	constitution
733	common
293	animals
4991	view
10107	capacity
4096	enduring
21201	climates
303	man
2897	domestic
293	animals
714	fact
3469	extinct
2575	elephant
9186	rhinoceros
2647	formerly
13383	endured
8260	glacial
4168	climate
1330	species
1252	tropical
7271	sub
1252	tropical
1240	habits
4391	looked
34118	anomalies
2894	examples
733	common
6150	flexibility
1948	constitution
2657	brought
1567	peculiar
2364	circumstances
469	action
67144	acclimatisation
1330	species
1567	peculiar
4168	climate
384	due
2116	mere
479	habit
4	natural
6819	selection
2149	varieties
27594	innate
22292	constitutions
553	means
727	combined
7734	obscure
577	question
479	habit
8632	custom
5076	influence
5363	believe
2239	analogy
3160	incessant
3278	advice
1510	given
21712	agricultural
918	works
4347	ancient
67390	encyclopaedias
3231	china
13102	cautious
17477	transporting
293	animals
5738	district
4340	likely
303	man
2808	succeeded
421	selecting
5047	breeds
7271	sub
5047	breeds
22292	constitutions
2204	specially
979	fitted
3362	districts
1363	result
1260	think
384	due
479	habit
418	hand
4	natural
6819	selection
6009	inevitably
5421	tend
1518	preserve
2142	individuals
1140	born
22292	constitutions
4233	adapted
1093	country
2648	inhabited
32403	treatises
2013	kinds
3435	cultivated
447	plants
2149	varieties
867	said
3609	withstand
21201	climates
1025	others
8333	strikingly
807	shown
918	works
589	fruit
1377	trees
2437	published
124	united
125	states
2149	varieties
1562	habitually
14304	recommended
3752	northern
1025	others
4097	southern
125	states
2149	varieties
2405	recent
2474	origin
8693	owe
32094	constitutional
2147	differences
479	habit
2331	case
17837	jerusalem
58699	artichoke
6821	propagated
174	england
732	seed
5341	consequently
2149	varieties
40	produced
2738	advanced
28492	proving
67144	acclimatisation
1531	effected
3151	tender
2331	case
22439	kidney
6306	bean
1394	cited
706	similar
1091	purpose
731	greater
1973	weight
12078	sow
4543	score
2811	generations
22439	kidney
11825	beans
537	proportion
2797	destroyed
3526	frost
688	collect
732	seed
3085	survivors
1237	care
4971	prevent
4983	accidental
8649	crosses
919	get
732	seed
18300	seedlings
11041	precautions
4530	experiment
867	said
2081	tried
1506	let
4480	supposed
2147	differences
1948	constitution
55772	seedling
22439	kidney
11825	beans
860	appear
1089	account
2437	published
4099	hardy
18300	seedlings
1025	others
714	fact
2202	observed
1889	striking
2746	instances
4410	conclude
479	habit
7	use
10544	disuse
2643	cases
2100	played
3267	considerable
839	part
973	modification
1948	constitution
679	structure
17321	effects
4596	largely
727	combined
39246	overmastered
4	natural
6819	selection
27594	innate
6816	variations
67141	correlated
2174	variation
2725	mean
2744	expression
12920	organisation
636	tied
298	growth
955	development
972	slight
6816	variations
839	part
1798	occur
7673	accumulated
4	natural
6819	selection
748	parts
644	become
6124	modified
427	subject
8495	imperfectly
6343	understood
3896	doubt
716	wholly
5039	classes
1651	facts
941	easily
2461	confounded
4131	presently
486	see
515	simple
1200	inheritance
695	gives
2006	false
1615	appearance
67173	correlation
799	obvious
2643	cases
6816	variations
679	structure
3262	arising
21	young
22771	larvae
1683	naturally
5421	tend
1959	affect
679	structure
3331	mature
67	animal
748	parts
27996	homologous
46159	embryonic
2772	period
997	identical
679	structure
5327	necessarily
4079	exposed
706	similar
539	conditions
1125	seem
1540	eminently
4608	liable
847	vary
1296	manner
486	see
584	sides
739	body
6422	varying
1296	manner
4925	front
1532	hind
743	legs
2061	jaws
1533	limbs
6422	varying
1879	lower
2223	jaw
7717	believed
66214	anatomists
27996	homologous
1533	limbs
8725	tendencies
3896	doubt
33644	mastered
1628	completely
4	natural
6819	selection
659	thus
1161	family
58571	stags
5061	existed
66826	antler
1503	side
790	great
7	use
4602	breed
655	rendered
2361	permanent
4	natural
6819	selection
27996	homologous
748	parts
6129	remarked
17166	authors
5421	tend
67391	cohere
417	seen
11161	monstrous
447	plants
733	common
397	union
27996	homologous
748	parts
21725	normal
4560	structures
397	union
8413	petals
3220	tube
748	parts
1125	seem
1959	affect
838	form
4881	adjoining
1896	soft
748	parts
7717	believed
17166	authors
294	birds
7466	diversity
830	shape
1951	pelvis
6065	causes
841	remarkable
7466	diversity
830	shape
22121	kidneys
1025	others
5363	believe
830	shape
1951	pelvis
2019	human
1199	mother
20093	influences
6070	pressure
830	shape
747	head
505	child
347	snakes
1123	according
1778	schlegel
830	shape
739	body
1296	manner
961	swallowing
4283	determine
1464	position
838	form
2667	viscera
439	nature
13729	bond
1365	frequently
7734	obscure
56926	geoffroy
6536	st
37528	hilaire
6578	forcibly
6129	remarked
67392	malconformations
1365	frequently
1025	others
1373	rarely
60912	coexist
1172	able
21596	assign
1765	reason
1634	singular
313	relation
8329	cats
4774	complete
10988	whiteness
4422	blue
1740	eyes
36643	deafness
4006	tortoise
9916	colour
1688	female
2553	sex
4324	pigeons
5166	feathered
1346	feet
2298	skin
934	outer
1992	toes
2287	presence
21	young
2869	pigeon
991	hatched
2984	future
9916	colour
4289	plumage
313	relation
1821	hair
1225	teeth
2515	naked
17161	turkish
2093	dog
3896	doubt
67393	homology
2637	comes
5809	play
968	respect
2330	latter
2331	case
67173	correlation
1260	think
2709	hardly
4983	accidental
5873	orders
1572	mammals
5092	abnormal
61221	dermal
1936	covering
5294	viz
7178	cetacea
7176	whales
64094	edentata
67394	armadilloes
5765	scaly
339	ant
4084	eaters
197	etc
5092	abnormal
1225	teeth
3216	exceptions
426	rule
390	mr
7532	mivart
6129	remarked
463	value
420	know
2331	case
4233	adapted
1725	show
795	importance
509	laws
67173	correlation
2174	variation
3421	independently
6033	utility
834	therefore
4	natural
6819	selection
2178	difference
934	outer
1997	inner
588	flowers
67395	compositous
67396	umbelliferous
447	plants
2456	familiar
2178	difference
8360	ray
5634	central
67397	florets
3282	instance
16798	daisy
2178	difference
891	accompanied
3204	partial
4774	complete
23263	abortion
61494	reproductive
1589	organs
447	plants
620	seeds
994	differ
830	shape
17549	sculpture
2147	differences
7011	attributed
6070	pressure
67398	involucra
67397	florets
4187	mutual
6070	pressure
830	shape
620	seeds
8360	ray
67397	florets
67399	compositae
11026	countenances
1581	idea
67400	umbelliferae
553	means
1355	dr
49806	hooker
6968	informs
1330	species
1793	densest
888	heads
1365	frequently
994	differ
1997	inner
934	outer
588	flowers
1672	thought
955	development
8360	ray
8413	petals
1929	drawing
1170	nourishment
61494	reproductive
1589	organs
6065	causes
23263	abortion
2709	hardly
1554	sole
2331	case
67399	compositae
620	seeds
934	outer
1997	inner
67397	florets
994	differ
2178	difference
17975	corolla
3333	possibly
2147	differences
3553	connected
756	flow
2014	nutriment
5634	central
2146	external
588	flowers
420	know
565	irregular
588	flowers
4424	nearest
16951	axis
427	subject
67401	peloria
644	become
24341	abnormally
14984	symmetrical
2976	add
3282	instance
714	fact
1889	striking
2331	case
67173	correlation
67402	pelargoniums
1040	upper
8413	petals
5634	central
939	flower
41803	truss
12634	lose
6242	patches
1387	darker
9916	colour
1787	occurs
15199	adherent
67403	nectary
67191	aborted
5634	central
939	flower
659	thus
3504	becoming
67404	peloric
950	regular
9916	colour
7733	absent
1040	upper
8413	petals
67403	nectary
67191	aborted
13211	shortened
968	respect
955	development
17975	corolla
67324	sprengel
1581	idea
8360	ray
67397	florets
5879	serve
1732	attract
1699	insects
7200	agency
2089	highly
6869	advantageous
485	necessary
67285	fertilisation
447	plants
2089	highly
855	probable
4	natural
6819	selection
1070	come
5809	play
968	respect
620	seeds
1193	seems
1579	impossible
2147	differences
830	shape
67141	correlated
2178	difference
17975	corolla
3880	beneficial
67400	umbelliferae
2147	differences
2745	apparent
795	importance
620	seeds
67405	orthospermous
902	exterior
588	flowers
67406	coelospermous
5634	central
588	flowers
11251	elder
1771	de
67254	candolle
6671	founded
3217	main
1015	divisions
534	order
7165	characters
2289	hence
8343	modifications
679	structure
5731	viewed
65720	systematists
463	value
716	wholly
384	due
509	laws
2174	variation
67173	correlation
5210	judge
1614	slightest
5228	service
1330	species
10965	falsely
7016	attribute
67141	correlated
2174	variation
4560	structures
733	common
2830	groups
1330	species
462	truth
911	simply
384	due
1200	inheritance
4347	ancient
18262	progenitor
1601	acquired
4	natural
6819	selection
973	modification
679	structure
2714	thousands
2811	generations
1558	independent
973	modification
8343	modifications
7954	transmitted
2846	group
8275	descendants
19760	diverse
1240	habits
1683	naturally
1672	thought
485	necessary
1296	manner
67141	correlated
67145	correlations
2022	apparently
384	due
1296	manner
4	natural
6819	selection
1178	act
3282	instance
67352	alph
1771	de
67254	candolle
6129	remarked
3830	winged
620	seeds
670	found
2614	fruits
2177	explain
426	rule
13368	impossibility
620	seeds
945	gradually
3504	becoming
3830	winged
4	natural
6819	selection
25956	capsules
2331	case
620	seeds
4233	adapted
48748	wafted
7640	wind
5062	gain
3092	advantage
1025	others
979	fitted
1670	wide
10244	dispersal
23758	compensation
2876	economy
298	growth
11251	elder
56926	geoffroy
33956	goethe
44406	propounded
607	time
3174	law
23758	compensation
67407	balancement
298	growth
33956	goethe
6814	expressed
534	order
308	spend
1503	side
439	nature
7901	forced
66978	economise
1503	side
1260	think
1853	holds
1341	extent
2897	domestic
26943	productions
1170	nourishment
1104	flows
839	part
1412	organ
3702	excess
1373	rarely
1104	flows
3702	excess
839	part
659	thus
1242	difficult
919	get
356	cow
13	give
2835	milk
39043	fatten
1443	readily
2149	varieties
40077	cabbage
12343	yield
1100	abundant
3812	nutritious
4638	foliage
26092	copious
1003	supply
2387	oil
3297	bearing
620	seeds
620	seeds
2614	fruits
644	become
62143	atrophied
589	fruit
8602	gains
4596	largely
885	size
11549	quality
5176	poultry
4141	tuft
741	feathers
747	head
1538	generally
891	accompanied
1354	diminished
5982	comb
10558	beard
1354	diminished
56505	wattles
1330	species
1032	state
439	nature
2709	hardly
6896	maintained
3174	law
3463	universal
6666	application
1205	good
1389	observers
1731	especially
17403	botanists
5363	believe
462	truth
13	give
2746	instances
486	see
2709	hardly
3561	distinguishing
17321	effects
418	hand
839	part
4596	largely
946	developed
4	natural
6819	selection
4881	adjoining
839	part
2839	reduced
648	process
10544	disuse
418	hand
5274	actual
5079	withdrawal
2014	nutriment
839	part
3357	owing
3702	excess
298	growth
4881	adjoining
839	part
4777	suspect
2643	cases
23758	compensation
2738	advanced
1651	facts
11102	merged
915	general
1151	principle
7117	namely
4	natural
6819	selection
4865	continually
3150	trying
66978	economise
839	part
12920	organisation
1086	changed
539	conditions
74	life
679	structure
5124	useful
762	becomes
5124	useful
22184	diminution
9629	favoured
9519	profit
2143	individual
2014	nutriment
6495	wasted
467	building
5281	useless
679	structure
659	thus
5860	understand
714	fact
6185	struck
7702	examining
67337	cirripedes
2746	instances
1510	given
7117	namely
67408	cirripede
1885	parasitic
67408	cirripede
659	thus
4228	protected
3339	loses
1628	completely
67409	carapace
2331	case
1183	male
67410	ibla
3138	truly
6094	extraordinary
1296	manner
67411	proteolepas
67409	carapace
67337	cirripedes
608	consists
2089	highly
6354	anterior
3742	segments
747	head
19382	enormously
946	developed
4975	furnished
790	great
5712	nerves
2132	muscles
1885	parasitic
4228	protected
67411	proteolepas
6354	anterior
839	part
747	head
2839	reduced
33429	merest
983	rudiment
615	attached
3369	bases
64416	prehensile
54287	antennae
6319	complex
679	structure
655	rendered
34154	superfluous
2161	decided
3092	advantage
3697	successive
2143	individual
1330	species
3075	struggle
74	life
67	animal
4079	exposed
2717	chance
14295	supporting
2014	nutriment
6495	wasted
659	thus
5363	believe
4	natural
6819	selection
5421	tend
1476	run
6975	reduce
839	part
12920	organisation
762	becomes
1086	changed
1240	habits
34154	superfluous
553	means
6871	causing
839	part
4596	largely
946	developed
7029	corresponding
2069	degree
34682	conversely
4	natural
6819	selection
1323	perfectly
2415	succeed
4596	largely
6692	developing
1412	organ
1551	requiring
485	necessary
23758	compensation
21893	reduction
4881	adjoining
839	part
41493	multiple
943	rudimentary
2854	lowly
60453	organised
4560	structures
925	variable
1193	seems
426	rule
6129	remarked
56926	geoffroy
6536	st
37528	hilaire
2149	varieties
1330	species
839	part
1412	organ
652	repeated
884	times
2143	individual
65018	vertebrae
347	snakes
5851	stamens
67412	polyandrous
588	flowers
2554	number
925	variable
2554	number
839	part
1412	organ
1787	occurs
7536	lesser
1159	numbers
3137	constant
26	author
17403	botanists
1012	further
6129	remarked
41493	multiple
748	parts
2232	extremely
4608	liable
847	vary
679	structure
37867	vegetative
6839	repetition
7	use
200	professor
2213	owen
2744	expression
2206	sign
1788	low
12920	organisation
5213	foregoing
1780	statements
11064	accord
733	common
6702	opinion
415	naturalists
1021	beings
513	stand
1788	low
1028	scale
439	nature
925	variable
1027	higher
10151	presume
63103	lowness
553	means
748	parts
12920	organisation
60481	specialised
2917	particular
1024	functions
839	part
6633	perform
8525	diversified
558	work
486	see
876	why
656	remain
925	variable
876	why
4	natural
6819	selection
6438	preserved
6468	rejected
40143	deviation
838	form
1214	carefully
839	part
5879	serve
1091	purpose
5020	knife
1224	cut
2933	sorts
530	things
830	shape
4129	tool
2917	particular
1091	purpose
2917	particular
830	shape
4	natural
6819	selection
8214	forgotten
1178	act
5258	solely
3092	advantage
943	rudimentary
748	parts
1538	generally
1301	admitted
4583	apt
2089	highly
925	variable
8710	recur
427	subject
2976	add
2122	variability
1193	seems
1363	result
28617	uselessness
5341	consequently
4	natural
6819	selection
1627	power
5066	check
28622	deviations
679	structure
839	part
946	developed
1330	species
6094	extraordinary
2069	degree
1296	manner
2675	comparison
839	part
797	allied
1330	species
580	tends
2089	highly
925	variable
436	years
6185	struck
2447	remark
5087	effect
413	made
390	mr
1435	waterhouse
200	professor
2213	owen
1193	seems
1070	come
813	nearly
706	similar
6630	conclusion
8555	hopeless
2033	attempt
6743	convince
462	truth
8596	proposition
1638	giving
9539	array
1651	facts
760	collected
3333	possibly
6389	introduced
1032	state
10687	conviction
426	rule
13563	generality
2224	aware
6065	causes
18323	error
1206	hope
413	made
384	due
23767	allowances
6343	understood
426	rule
553	means
8612	applies
839	part
1815	unusually
946	developed
1815	unusually
946	developed
1330	species
1330	species
2675	comparison
839	part
796	closely
797	allied
1330	species
659	thus
3875	wing
407	bat
5092	abnormal
679	structure
3195	class
1572	mammals
426	rule
477	apply
2846	group
345	bats
4110	possesses
742	wings
477	apply
1330	species
742	wings
946	developed
841	remarkable
1296	manner
2675	comparison
1330	species
2434	genus
426	rule
8612	applies
800	strongly
2331	case
16491	secondary
8601	sexual
7165	characters
4361	displayed
2314	unusual
1296	manner
2481	term
16491	secondary
8601	sexual
7165	characters
1803	hunter
1308	relates
7165	characters
615	attached
2553	sex
3553	connected
1178	act
19069	reproduction
426	rule
8612	applies
1806	males
1710	females
1373	rarely
1710	females
2322	seldom
2160	offer
841	remarkable
16491	secondary
8601	sexual
7165	characters
426	rule
3733	plainly
9433	applicable
2331	case
16491	secondary
8601	sexual
7165	characters
384	due
790	great
2122	variability
7165	characters
4361	displayed
2314	unusual
1296	manner
714	fact
1260	think
3896	doubt
426	rule
5200	confined
16491	secondary
8601	sexual
7165	characters
2751	clearly
807	shown
2331	case
67246	hermaphrodite
67337	cirripedes
1944	particularly
5192	attended
390	mr
1435	waterhouse
2447	remark
6244	investigating
534	order
2536	fully
8773	convinced
426	rule
1853	holds
1205	good
2984	future
558	work
13	give
245	list
841	remarkable
2643	cases
13	give
24445	illustrates
426	rule
1344	largest
6666	application
67413	opercular
37880	valves
61427	sessile
67337	cirripedes
3146	rock
54291	barnacles
2096	sense
2472	word
4560	structures
994	differ
2232	extremely
2115	distinct
6233	genera
1330	species
2434	genus
67414	pyrgoma
37880	valves
1842	marvellous
2719	amount
50568	diversification
27996	homologous
37880	valves
1330	species
716	wholly
830	shape
2719	amount
2174	variation
2142	individuals
1330	species
790	great
11302	exaggeration
1032	state
2149	varieties
1330	species
994	differ
7165	characters
835	derived
1589	organs
1330	species
5238	belonging
2115	distinct
6233	genera
294	birds
2142	individuals
1330	species
4044	inhabiting
1093	country
847	vary
2232	extremely
1944	particularly
5192	attended
426	rule
1438	certainly
1193	seems
1067	hold
1205	good
3195	class
473	make
8612	applies
447	plants
15980	seriously
10635	shaken
5542	belief
462	truth
790	great
2122	variability
447	plants
413	made
1944	particularly
1242	difficult
6049	compare
730	relative
5627	degrees
2122	variability
486	see
839	part
1412	organ
946	developed
841	remarkable
2069	degree
1296	manner
1330	species
2980	fair
12148	presumption
795	importance
1330	species
2331	case
1540	eminently
4608	liable
2174	variation
876	why
4991	view
1330	species
3421	independently
2826	created
748	parts
486	see
486	see
6958	explanation
4991	view
2830	groups
1330	species
3199	descended
1330	species
6124	modified
4	natural
6819	selection
1260	think
705	obtain
3104	light
1506	let
473	make
23476	preliminary
2086	remarks
2897	domestic
293	animals
839	part
67	animal
6445	neglected
6819	selection
933	applied
839	part
3282	instance
5982	comb
37513	dorking
734	fowl
4602	breed
5420	cease
3977	uniform
35	character
4602	breed
867	said
49008	degenerating
943	rudimentary
1589	organs
60481	specialised
2917	particular
1091	purpose
67241	polymorphic
2830	groups
486	see
813	nearly
5987	parallel
2331	case
2643	cases
4	natural
6819	selection
1070	come
498	full
5809	play
659	thus
12920	organisation
16254	fluctuating
725	condition
1944	particularly
15353	concerns
2438	points
2897	domestic
293	animals
607	time
14933	undergoing
3790	rapid
889	change
649	continued
6819	selection
1540	eminently
4608	liable
2174	variation
1851	look
2142	individuals
4602	breed
2869	pigeon
486	see
1391	prodigious
2719	amount
2178	difference
318	beak
28374	tumblers
318	beak
43761	wattle
23589	carriers
10642	carriage
3136	tail
67202	fantails
197	etc
2438	points
3180	mainly
5192	attended
64576	fanciers
7271	sub
4602	breed
8093	faced
7262	tumbler
32560	notoriously
1242	difficult
4602	breed
813	nearly
947	perfect
294	birds
13246	departing
2585	widely
1124	standard
3138	truly
867	said
3137	constant
3075	struggle
2892	going
418	hand
2424	tendency
3205	reversion
947	perfect
1032	state
27594	innate
2424	tendency
6816	variations
418	hand
1627	power
5756	steady
6819	selection
823	keep
4602	breed
1476	run
6819	selection
8602	gains
967	day
8353	expect
2605	fail
1628	completely
4602	breed
321	bird
637	coarse
733	common
7262	tumbler
2869	pigeon
1205	good
8093	faced
4886	strain
6819	selection
3170	rapidly
2892	going
2122	variability
748	parts
14933	undergoing
973	modification
2896	expected
1506	let
1697	turn
439	nature
839	part
946	developed
6094	extraordinary
1296	manner
1330	species
894	compared
1330	species
2434	genus
4410	conclude
839	part
3668	undergone
6094	extraordinary
2719	amount
973	modification
2772	period
1330	species
13295	branched
733	common
18262	progenitor
2434	genus
2772	period
2322	seldom
4174	remote
1176	extreme
2069	degree
1330	species
1373	rarely
10074	endure
6220	geological
2772	period
6094	extraordinary
2719	amount
973	modification
5343	implies
1815	unusually
649	continued
2719	amount
2122	variability
4865	continually
7673	accumulated
4	natural
6819	selection
5125	benefit
1330	species
2122	variability
23628	extraordinarily
946	developed
839	part
1412	organ
790	great
649	continued
2772	period
6668	excessively
4174	remote
915	general
426	rule
8353	expect
540	find
2122	variability
748	parts
748	parts
12920	organisation
1452	remained
2543	longer
2772	period
813	nearly
3137	constant
8773	convinced
2331	case
3075	struggle
4	natural
6819	selection
418	hand
2424	tendency
3205	reversion
2122	variability
418	hand
954	course
607	time
5420	cease
24341	abnormally
946	developed
1589	organs
413	made
3137	constant
486	see
1765	reason
3896	doubt
2289	hence
1412	organ
5092	abnormal
7954	transmitted
22624	approximately
725	condition
6124	modified
8275	descendants
2331	case
3875	wing
407	bat
5061	existed
1123	according
6055	theory
2032	immense
2772	period
813	nearly
1032	state
659	thus
1070	come
925	variable
679	structure
2643	cases
973	modification
1062	comparatively
2405	recent
23628	extraordinarily
790	great
540	find
62410	generative
2122	variability
661	called
2069	degree
2331	case
2122	variability
2322	seldom
604	fixed
649	continued
6819	selection
2142	individuals
6422	varying
6441	required
1296	manner
2069	degree
649	continued
13000	rejection
8393	tending
33023	revert
116	former
6124	modified
725	condition
7817	specific
7165	characters
925	variable
18590	generic
7165	characters
1151	principle
11363	discussed
13068	heading
933	applied
427	subject
14343	notorious
7817	specific
7165	characters
925	variable
18590	generic
2177	explain
515	simple
699	example
2074	meant
2434	genus
447	plants
1330	species
4422	blue
588	flowers
3760	red
9916	colour
7817	specific
35	character
4220	surprised
4422	blue
1330	species
6422	varying
3760	red
34682	conversely
1330	species
4422	blue
588	flowers
9916	colour
644	become
18590	generic
35	character
2174	variation
2314	unusual
2373	circumstance
4186	chosen
699	example
6958	explanation
415	naturalists
2814	advance
9433	applicable
7117	namely
7817	specific
7165	characters
925	variable
18590	generic
976	taken
748	parts
7045	physiological
795	importance
1561	commonly
28701	classing
6233	genera
5363	believe
6958	explanation
1993	partly
5293	indirectly
578	return
223	point
2851	chapter
7167	classification
34154	superfluous
38496	adduce
1238	evidence
1311	support
6985	statement
1264	ordinary
7817	specific
7165	characters
925	variable
18590	generic
968	respect
7165	characters
4611	repeatedly
4180	noticed
918	works
4	natural
5	history
26	author
2086	remarks
1674	surprise
1412	organ
839	part
1538	generally
3137	constant
2846	group
1330	species
8723	differs
2173	considerably
796	closely
797	allied
1330	species
925	variable
2142	individuals
1330	species
714	fact
2201	shows
35	character
1538	generally
18590	generic
463	value
7771	sinks
463	value
762	becomes
7817	specific
463	value
762	becomes
925	variable
7045	physiological
795	importance
656	remain
958	kind
8612	applies
56385	monstrosities
56926	geoffroy
6536	st
37528	hilaire
2022	apparently
67415	entertains
3896	doubt
1412	organ
21534	normally
8723	differs
1330	species
2846	group
427	subject
34118	anomalies
2142	individuals
1264	ordinary
4991	view
1330	species
3421	independently
2826	created
876	why
839	part
679	structure
8723	differs
839	part
3421	independently
2826	created
1330	species
2434	genus
925	variable
748	parts
796	closely
2154	alike
1330	species
486	see
6958	explanation
1510	given
4991	view
1330	species
800	strongly
437	marked
604	fixed
2149	varieties
8353	expect
540	find
4719	continuing
847	vary
748	parts
679	structure
2137	varied
7800	moderately
2405	recent
2772	period
659	thus
1070	come
994	differ
1032	state
2331	case
1296	manner
2438	points
1330	species
2434	genus
1957	resemble
994	differ
797	allied
6233	genera
661	called
18590	generic
7165	characters
7165	characters
7011	attributed
1200	inheritance
733	common
18262	progenitor
1373	rarely
5248	happened
4	natural
6819	selection
6124	modified
2115	distinct
1330	species
979	fitted
2585	widely
1240	habits
2153	exactly
1296	manner
661	called
18590	generic
7165	characters
6959	inherited
2772	period
1330	species
13295	branched
733	common
18262	progenitor
7669	subsequently
2137	varied
1070	come
994	differ
2069	degree
972	slight
2069	degree
855	probable
847	vary
967	day
418	hand
2438	points
1330	species
994	differ
1330	species
2434	genus
661	called
7817	specific
7165	characters
7817	specific
7165	characters
2137	varied
1070	come
994	differ
2772	period
1330	species
13295	branched
733	common
18262	progenitor
855	probable
2069	degree
925	variable
925	variable
748	parts
12920	organisation
2772	period
1452	remained
3137	constant
16491	secondary
8601	sexual
7165	characters
925	variable
1260	think
1301	admitted
415	naturalists
6741	entering
6559	details
16491	secondary
8601	sexual
7165	characters
2089	highly
925	variable
1301	admitted
1330	species
2846	group
994	differ
2585	widely
16491	secondary
8601	sexual
7165	characters
748	parts
12920	organisation
6049	compare
3282	instance
2719	amount
2178	difference
1806	males
44124	gallinaceous
294	birds
16491	secondary
8601	sexual
7165	characters
800	strongly
4361	displayed
2719	amount
2178	difference
1710	females
3893	cause
493	original
2122	variability
7165	characters
2346	manifest
486	see
876	why
655	rendered
3137	constant
3977	uniform
1025	others
7673	accumulated
8601	sexual
6819	selection
6774	rigid
469	action
1264	ordinary
6819	selection
42224	entail
2058	death
695	gives
2712	fewer
1814	offspring
9629	favoured
1806	males
3893	cause
2122	variability
16491	secondary
8601	sexual
7165	characters
2089	highly
925	variable
8601	sexual
6819	selection
1670	wide
21438	scope
469	action
659	thus
2808	succeeded
1638	giving
1330	species
2846	group
731	greater
2719	amount
2178	difference
845	respects
841	remarkable
714	fact
16491	secondary
2147	differences
4342	sexes
1330	species
1538	generally
4361	displayed
748	parts
12920	organisation
1330	species
2434	genus
994	differ
714	fact
13	give
288	illustration
2746	instances
650	happen
513	stand
245	list
2147	differences
2643	cases
2314	unusual
439	nature
313	relation
2709	hardly
4983	accidental
2554	number
1999	joints
66074	tarsi
35	character
733	common
2830	groups
3654	beetles
67416	engidae
64357	westwood
6129	remarked
2554	number
2172	varies
1414	greatly
2554	number
8723	differs
4342	sexes
1330	species
64909	fossorial
6754	hymenoptera
67417	neuration
742	wings
35	character
2041	highest
795	importance
733	common
2830	groups
6233	genera
67417	neuration
8723	differs
1330	species
4342	sexes
1330	species
322	sir
364	lubbock
4461	recently
6129	remarked
673	minute
3728	crustaceans
2160	offer
1447	excellent
292	illustrations
3174	law
67418	pontella
3282	instance
8601	sexual
7165	characters
6582	afforded
3180	mainly
6354	anterior
54287	antennae
5957	fifth
2762	pair
743	legs
7817	specific
2147	differences
5437	principally
1510	given
1589	organs
313	relation
431	clear
3778	meaning
4991	view
1851	look
1330	species
2434	genus
1438	certainly
3199	descended
18262	progenitor
4342	sexes
1330	species
5341	consequently
839	part
679	structure
733	common
18262	progenitor
8275	descendants
4676	became
925	variable
6816	variations
839	part
2089	highly
855	probable
976	taken
3092	advantage
4	natural
8601	sexual
6819	selection
534	order
1878	fit
1184	places
2876	economy
439	nature
1878	fit
4342	sexes
1330	species
1878	fit
1806	males
3075	struggle
1806	males
1453	possession
1710	females
4184	finally
4410	conclude
731	greater
2122	variability
7817	specific
7165	characters
877	distinguish
1330	species
1330	species
18590	generic
7165	characters
1393	possessed
1330	species
2829	frequent
1176	extreme
2122	variability
839	part
946	developed
1330	species
6094	extraordinary
1296	manner
2675	comparison
839	part
46296	congeners
972	slight
2069	degree
2122	variability
839	part
23628	extraordinarily
946	developed
733	common
2846	group
1330	species
790	great
2122	variability
16491	secondary
8601	sexual
7165	characters
790	great
2178	difference
796	closely
797	allied
1330	species
16491	secondary
8601	sexual
1264	ordinary
7817	specific
2147	differences
1538	generally
4361	displayed
748	parts
12920	organisation
7546	principles
796	closely
3553	connected
3180	mainly
384	due
1330	species
2846	group
8275	descendants
733	common
18262	progenitor
6959	inherited
733	common
748	parts
4461	recently
4596	largely
2137	varied
4340	likely
1824	go
6422	varying
748	parts
6959	inherited
2137	varied
4	natural
6819	selection
1628	completely
1123	according
6735	lapse
607	time
39246	overmastered
2424	tendency
3205	reversion
1012	further
2122	variability
8601	sexual
6819	selection
6774	rigid
1264	ordinary
6819	selection
6816	variations
748	parts
7673	accumulated
4	natural
8601	sexual
6819	selection
659	thus
4233	adapted
16491	secondary
8601	sexual
1264	ordinary
1045	purposes
2115	distinct
1330	species
3285	analogous
6816	variations
4463	variety
1330	species
1984	assumes
35	character
514	proper
797	allied
1330	species
67179	reverts
7165	characters
18262	progenitor
33907	propositions
1443	readily
6343	understood
3035	looking
2897	domestic
2117	races
2115	distinct
5047	breeds
2869	pigeon
7142	countries
2585	widely
1812	apart
7271	sub
2149	varieties
5889	reversed
741	feathers
747	head
741	feathers
1346	feet
7165	characters
1393	possessed
42913	aboriginal
3146	rock
2869	pigeon
3285	analogous
6816	variations
2115	distinct
2117	races
2829	frequent
2287	presence
5544	fourteen
3740	sixteen
3136	tail
741	feathers
67188	pouter
2092	considered
2174	variation
2005	representing
21725	normal
679	structure
3093	race
67190	fantail
10151	presume
3896	doubt
3285	analogous
6816	variations
384	due
2117	races
2869	pigeon
6959	inherited
733	common
2955	parent
1948	constitution
2424	tendency
2174	variation
5751	acted
706	similar
1191	unknown
20093	influences
689	vegetable
3725	kingdom
2331	case
3285	analogous
2174	variation
2304	enlarged
2987	stems
1561	commonly
661	called
948	roots
7158	swedish
20266	turnip
67419	ruta
67420	baga
447	plants
17403	botanists
1570	rank
2149	varieties
40	produced
17131	cultivation
733	common
2955	parent
2331	case
3285	analogous
2174	variation
661	called
2115	distinct
1330	species
79	third
901	added
7117	namely
733	common
20266	turnip
1123	according
1264	ordinary
4991	view
1330	species
3421	independently
2826	created
7016	attribute
2460	similarity
2304	enlarged
2987	stems
447	plants
18385	vera
39025	causa
2562	community
5736	descent
6600	consequent
2424	tendency
847	vary
1296	manner
929	separate
796	closely
592	related
2684	acts
6824	creation
706	similar
2643	cases
3285	analogous
2174	variation
2202	observed
67091	naudin
790	great
4258	gourd
1161	family
6	various
17166	authors
21863	cereals
706	similar
2643	cases
6577	occurring
1699	insects
4	natural
539	conditions
2359	lately
11363	discussed
6983	ability
390	mr
17133	walsh
11172	grouped
3174	law
22849	equable
2122	variability
4324	pigeons
2331	case
7117	namely
2255	occasional
1615	appearance
5047	breeds
41392	slaty
4422	blue
294	birds
410	black
2077	bars
742	wings
411	white
14965	loins
612	end
3136	tail
934	outer
741	feathers
41551	externally
7878	edged
3369	bases
411	white
6206	marks
906	characteristic
2955	parent
3146	rock
2869	pigeon
10151	presume
3896	doubt
2331	case
3205	reversion
3285	analogous
2174	variation
4475	appearing
5047	breeds
1260	think
15841	confidently
1070	come
6630	conclusion
417	seen
3288	coloured
6206	marks
1540	eminently
4608	liable
860	appear
2356	crossed
1814	offspring
2115	distinct
5583	differently
3288	coloured
5047	breeds
2331	case
2146	external
539	conditions
74	life
3893	cause
33574	reappearance
41392	slaty
4422	blue
6206	marks
5076	influence
2116	mere
1178	act
5793	crossing
509	laws
1200	inheritance
3896	doubt
3166	surprising
714	fact
7165	characters
14156	reappear
465	lost
2791	hundreds
2811	generations
4602	breed
2356	crossed
4602	breed
1814	offspring
1744	occasionally
1725	show
2811	generations
2424	tendency
33023	revert
35	character
6756	foreign
4602	breed
548	say
1329	dozen
4543	score
2811	generations
1609	twelve
2811	generations
537	proportion
1103	blood
7	use
733	common
2744	expression
8288	ancestor
486	see
1538	generally
7717	believed
2424	tendency
3205	reversion
8434	retained
3416	remnant
6756	foreign
1103	blood
4602	breed
2356	crossed
1203	parents
465	lost
35	character
18262	progenitor
1393	possessed
2424	tendency
2341	strong
2193	weak
957	reproduce
465	lost
35	character
2647	formerly
6129	remarked
486	see
1945	contrary
7954	transmitted
2554	number
2811	generations
35	character
465	lost
4602	breed
5642	reappears
790	great
2554	number
2811	generations
855	probable
26614	hypothesis
2143	individual
1099	suddenly
878	takes
8288	ancestor
4308	removed
408	hundred
2811	generations
3697	successive
1246	generation
35	character
577	question
3315	lying
13385	latent
1191	unknown
14207	favourable
539	conditions
946	developed
26449	barb
2869	pigeon
3282	instance
1373	rarely
2865	produces
4422	blue
321	bird
855	probable
13385	latent
2424	tendency
1246	generation
887	produce
4422	blue
4289	plumage
19719	abstract
35033	improbability
2424	tendency
7954	transmitted
1434	vast
2554	number
2811	generations
731	greater
5281	useless
943	rudimentary
1589	organs
7062	similarly
7954	transmitted
2116	mere
2424	tendency
887	produce
983	rudiment
815	indeed
659	thus
6959	inherited
1330	species
2434	genus
4480	supposed
3199	descended
733	common
18262	progenitor
2896	expected
1744	occasionally
847	vary
3285	analogous
1296	manner
2149	varieties
1330	species
1957	resemble
4463	variety
1330	species
1957	resemble
7165	characters
2115	distinct
1330	species
1330	species
1123	according
4991	view
437	marked
2361	permanent
4463	variety
7165	characters
842	exclusively
384	due
3285	analogous
2174	variation
17086	unimportant
439	nature
13231	preservation
67421	functionally
7165	characters
5865	determined
4	natural
6819	selection
7448	accordance
1240	habits
1330	species
1012	further
2896	expected
1330	species
2434	genus
1744	occasionally
2393	exhibit
67146	reversions
465	lost
7165	characters
420	know
733	common
8288	ancestor
4	natural
2846	group
877	distinguish
10866	reversionary
3285	analogous
7165	characters
3282	instance
420	know
2955	parent
3146	rock
2869	pigeon
4790	feather
3794	footed
1697	turn
14887	crowned
282	told
7165	characters
2897	domestic
5047	breeds
67146	reversions
3285	analogous
6816	variations
12512	inferred
4422	blue
9916	colour
2331	case
3205	reversion
2554	number
4326	markings
67141	correlated
7281	tint
886	appeared
515	simple
2174	variation
1731	especially
12512	inferred
4422	blue
9916	colour
6206	marks
4475	appearing
5583	differently
3288	coloured
5047	breeds
2356	crossed
2289	hence
439	nature
1538	generally
7308	doubtful
2643	cases
67146	reversions
2647	formerly
1138	existing
7165	characters
3285	analogous
6816	variations
6055	theory
540	find
6422	varying
1814	offspring
1330	species
12912	assuming
7165	characters
2376	members
2846	group
2825	undoubtedly
2331	case
2125	difficulty
3561	distinguishing
925	variable
1330	species
4596	largely
384	due
2149	varieties
5529	mocking
1330	species
2434	genus
3267	considerable
19778	catalogue
1510	given
2162	forms
2196	intermediate
2162	forms
7948	doubtfully
23458	ranked
1330	species
2201	shows
796	closely
797	allied
2162	forms
2092	considered
3421	independently
2826	created
1330	species
6422	varying
2283	assumed
7165	characters
1025	others
1238	evidence
3285	analogous
6816	variations
6582	afforded
748	parts
1589	organs
1538	generally
3137	constant
35	character
1744	occasionally
847	vary
1957	resemble
2069	degree
839	part
1412	organ
797	allied
1330	species
760	collected
245	list
2643	cases
3275	lie
790	great
8392	disadvantage
1172	able
13	give
6744	repeat
2643	cases
1438	certainly
1798	occur
1125	seem
841	remarkable
13	give
1918	curious
6319	complex
2331	case
815	indeed
4646	affecting
35	character
6577	occurring
1330	species
2434	genus
1993	partly
2345	domestication
1993	partly
439	nature
2331	case
1438	certainly
3205	reversion
8320	ass
2115	distinct
2523	transverse
2077	bars
743	legs
743	legs
9215	zebra
1709	asserted
39984	plainest
2832	foal
8470	inquiries
413	made
5363	believe
9134	stripe
7190	shoulder
2169	double
925	variable
1758	length
5981	outline
411	white
8320	ass
64340	albino
2395	described
22117	spinal
7190	shoulder
9134	stripe
7916	stripes
7734	obscure
2765	actually
465	lost
2516	dark
3288	coloured
9204	asses
66280	koulan
57560	pallas
867	said
417	seen
2169	double
7190	shoulder
9134	stripe
390	mr
32328	blyth
417	seen
2091	specimen
9122	hemionus
2115	distinct
7190	shoulder
9134	stripe
1913	properly
2638	informed
21097	colonel
51399	poole
66290	foals
1330	species
1538	generally
7865	striped
743	legs
11103	faintly
7190	shoulder
66273	quagga
3733	plainly
8595	barred
9215	zebra
739	body
2077	bars
743	legs
1355	dr
2497	gray
20764	figured
2091	specimen
2115	distinct
9215	zebra
2077	bars
66794	hocks
968	respect
2870	horse
760	collected
2643	cases
174	england
22117	spinal
9134	stripe
2741	horses
2115	distinct
5047	breeds
3038	colours
2523	transverse
2077	bars
743	legs
1875	rare
67422	duns
4746	mouse
67422	duns
3282	instance
4773	chestnut
7139	faint
7190	shoulder
9134	stripe
417	seen
67422	duns
417	seen
905	trace
6173	bay
2870	horse
6901	son
413	made
805	careful
899	examination
3233	sketch
10751	dun
9288	belgian
4651	cart
2870	horse
2169	double
9134	stripe
7190	shoulder
1481	leg
7916	stripes
417	seen
10751	dun
9136	devonshire
8299	pony
10751	dun
240	welsh
8299	pony
1214	carefully
2395	described
5987	parallel
7916	stripes
7190	shoulder
20434	northwest
839	part
7284	india
67423	kattywar
4602	breed
2741	horses
1538	generally
7865	striped
550	hear
21097	colonel
51399	poole
675	examined
4602	breed
3228	indian
9285	government
2870	horse
7916	stripes
2092	considered
6064	purely
6932	bred
7333	spine
7865	striped
743	legs
1538	generally
8595	barred
7190	shoulder
9134	stripe
2169	double
10048	treble
733	common
1503	side
401	face
932	moreover
7865	striped
7916	stripes
39984	plainest
2832	foal
1088	disappear
359	old
2741	horses
21097	colonel
51399	poole
417	seen
2497	gray
6173	bay
67423	kattywar
2741	horses
7865	striped
14479	foaled
1765	reason
4777	suspect
696	information
1510	given
390	mr
19525	edwards
3093	race
2870	horse
22117	spinal
9134	stripe
20187	commoner
2832	foal
498	full
2810	grown
67	animal
4461	recently
6932	bred
2832	foal
6173	bay
9882	mare
1814	offspring
67424	turkoman
2870	horse
27630	flemish
9882	mare
6173	bay
3093	race
2870	horse
2832	foal
4163	week
359	old
437	marked
1949	hinder
2895	quarters
10106	forehead
2552	numerous
1005	narrow
2516	dark
9215	zebra
2077	bars
743	legs
9955	feebly
7865	striped
7916	stripes
6738	disappeared
1628	completely
6741	entering
1012	further
6559	details
1032	state
760	collected
2643	cases
1481	leg
7190	shoulder
7916	stripes
2741	horses
5047	breeds
6	various
7142	countries
7473	britain
1361	eastern
3231	china
9665	norway
2278	north
9308	malay
1362	archipelago
2627	south
748	parts
535	world
7916	stripes
1798	occur
28170	oftenest
67422	duns
4746	mouse
67422	duns
2481	term
10751	dun
443	range
9916	colour
16	included
239	brown
410	black
1469	approach
15686	cream
9916	colour
2224	aware
21097	colonel
91	hamilton
3644	smith
5528	written
427	subject
7826	believes
5047	breeds
2870	horse
3199	descended
42913	aboriginal
1330	species
10751	dun
7865	striped
2395	described
11246	appearances
384	due
4347	ancient
8649	crosses
10751	dun
3020	stock
4991	view
1218	safely
6468	rejected
2089	highly
5622	improbable
4309	heavy
9288	belgian
4651	cart
2870	horse
240	welsh
374	ponies
23641	norwegian
15702	cobs
65074	lanky
67423	kattywar
3093	race
197	etc
4044	inhabiting
1595	distant
748	parts
535	world
2356	crossed
4480	supposed
42913	aboriginal
3020	stock
1506	let
1697	turn
17321	effects
5793	crossing
1330	species
2870	horse
2434	genus
54481	rollin
2326	asserts
733	common
17705	mule
8320	ass
2870	horse
1944	particularly
4583	apt
2077	bars
743	legs
1123	according
390	mr
67425	gosse
748	parts
124	united
125	states
1926	nine
1827	ten
7332	mules
7865	striped
743	legs
338	saw
17705	mule
743	legs
7865	striped
1672	thought
21265	hybrid
9215	zebra
390	mr
1425	martin
1447	excellent
18410	treatise
2870	horse
1510	given
8719	figure
706	similar
17705	mule
3288	coloured
17204	drawings
417	seen
17449	hybrids
8320	ass
9215	zebra
743	legs
3733	plainly
8595	barred
1994	rest
739	body
2169	double
7190	shoulder
9134	stripe
3397	lord
20023	morton
253	famous
21265	hybrid
4773	chestnut
9882	mare
1183	male
66273	quagga
21265	hybrid
719	pure
1814	offspring
7669	subsequently
40	produced
9882	mare
410	black
14582	arabian
27399	sire
3733	plainly
8595	barred
743	legs
719	pure
66273	quagga
5177	lastly
841	remarkable
2331	case
21265	hybrid
20764	figured
1355	dr
2497	gray
6968	informs
965	knows
2331	case
8320	ass
9122	hemionus
21265	hybrid
8320	ass
1744	occasionally
7916	stripes
743	legs
9122	hemionus
7190	shoulder
9134	stripe
743	legs
8595	barred
7190	shoulder
7916	stripes
10751	dun
9136	devonshire
240	welsh
374	ponies
9215	zebra
7916	stripes
584	sides
401	face
968	respect
714	fact
8773	convinced
9134	stripe
9916	colour
851	appears
1561	commonly
661	called
2717	chance
441	led
5258	solely
2645	occurrence
401	face
7916	stripes
21265	hybrid
8320	ass
9122	hemionus
8836	ask
21097	colonel
51399	poole
401	face
7916	stripes
7767	occurred
1540	eminently
7865	striped
67423	kattywar
4602	breed
2741	horses
417	seen
4885	answered
11288	affirmative
548	say
1651	facts
486	see
2115	distinct
1330	species
2870	horse
2434	genus
3504	becoming
515	simple
2174	variation
7865	striped
743	legs
9215	zebra
7865	striped
2494	shoulders
8320	ass
2870	horse
486	see
2424	tendency
2341	strong
10751	dun
7281	tint
851	appears
7281	tint
2594	approaches
915	general
39969	colouring
1330	species
2434	genus
1615	appearance
7916	stripes
891	accompanied
889	change
838	form
35	character
486	see
2424	tendency
644	become
7865	striped
800	strongly
4361	displayed
17449	hybrids
2115	distinct
1330	species
1635	observe
2331	case
5047	breeds
4324	pigeons
3199	descended
2869	pigeon
5384	including
7271	sub
1330	species
2426	geographical
2117	races
8419	bluish
9916	colour
2077	bars
6206	marks
4602	breed
1984	assumes
515	simple
2174	variation
8419	bluish
7281	tint
2077	bars
6206	marks
1454	invariably
14156	reappear
889	change
838	form
35	character
2646	oldest
13782	truest
5047	breeds
6	various
3038	colours
2356	crossed
486	see
2341	strong
2424	tendency
4422	blue
7281	tint
2077	bars
6206	marks
14156	reappear
67153	mongrels
1912	stated
855	probable
26614	hypothesis
1089	account
33574	reappearance
4347	ancient
7165	characters
2424	tendency
21	young
3697	successive
1246	generation
887	produce
465	lost
35	character
2424	tendency
1191	unknown
6065	causes
7505	prevails
417	seen
1330	species
2870	horse
2434	genus
7916	stripes
8432	plainer
860	appear
1561	commonly
21	young
359	old
1113	call
5047	breeds
4324	pigeons
6932	bred
7736	centuries
1330	species
2153	exactly
5987	parallel
2331	case
1330	species
2870	horse
2434	genus
3257	venture
15841	confidently
1851	look
2714	thousands
2714	thousands
2811	generations
486	see
67	animal
7865	striped
9215	zebra
5583	differently
4580	constructed
733	common
2955	parent
2897	domestic
2870	horse
3199	descended
343	wild
21025	stocks
8320	ass
9122	hemionus
66273	quagga
9215	zebra
7826	believes
9171	equine
1330	species
3421	independently
2826	created
10151	presume
5157	assert
1330	species
2826	created
2424	tendency
847	vary
439	nature
2345	domestication
2917	particular
1296	manner
644	become
7865	striped
1330	species
2434	genus
2826	created
2341	strong
2424	tendency
2356	crossed
1330	species
4044	inhabiting
1595	distant
2895	quarters
535	world
887	produce
17449	hybrids
1398	resembling
7916	stripes
1203	parents
1330	species
2434	genus
5314	admit
4991	view
1193	seems
2347	reject
13523	unreal
1191	unknown
3893	cause
1961	makes
918	works
5096	god
2116	mere
38969	mockery
8453	deception
5363	believe
359	old
6728	ignorant
67426	cosmogonists
6834	fossil
488	shells
1360	lived
2826	created
4534	stone
12722	mock
488	shells
65	sea
2787	shore
22545	summary
9899	ignorance
509	laws
2174	variation
7379	profound
2331	case
408	hundred
2671	pretend
21596	assign
1765	reason
876	why
839	part
2137	varied
553	means
34544	instituting
2675	comparison
509	laws
860	appear
5751	acted
5922	producing
7536	lesser
2147	differences
2149	varieties
1330	species
731	greater
2147	differences
1330	species
2434	genus
1086	changed
539	conditions
1538	generally
12774	induce
2116	mere
16254	fluctuating
2122	variability
3893	cause
1304	direct
893	definite
17321	effects
644	become
800	strongly
437	marked
954	course
607	time
3948	sufficient
1238	evidence
747	head
479	habit
5922	producing
32094	constitutional
1197	peculiarities
7	use
6966	strengthening
10544	disuse
16526	weakening
1416	diminishing
1589	organs
860	appear
2643	cases
12787	potent
17321	effects
27996	homologous
748	parts
5421	tend
847	vary
1296	manner
27996	homologous
748	parts
5421	tend
67391	cohere
8343	modifications
748	parts
2146	external
748	parts
1959	affect
8196	softer
3013	internal
748	parts
839	part
4596	largely
946	developed
580	tends
2338	draw
1170	nourishment
4881	adjoining
748	parts
839	part
679	structure
7123	saved
11301	detriment
7123	saved
952	changes
679	structure
1829	age
1959	affect
748	parts
7669	subsequently
946	developed
2643	cases
67141	correlated
2174	variation
439	nature
2630	unable
5860	understand
2825	undoubtedly
1798	occur
41493	multiple
748	parts
925	variable
2554	number
679	structure
3262	arising
748	parts
796	closely
60481	specialised
2917	particular
5970	function
8343	modifications
796	closely
2757	checked
4	natural
6819	selection
5322	follows
3893	cause
21627	organic
1021	beings
1788	low
1028	scale
925	variable
2284	standing
1027	higher
1028	scale
12920	organisation
60481	specialised
943	rudimentary
1589	organs
5281	useless
20105	regulated
4	natural
6819	selection
2289	hence
925	variable
7817	specific
7165	characters
7165	characters
1070	come
994	differ
1330	species
2434	genus
13295	branched
733	common
2955	parent
925	variable
18590	generic
7165	characters
6959	inherited
7649	differed
2772	period
2086	remarks
2272	referred
748	parts
1589	organs
925	variable
4461	recently
2137	varied
659	thus
1070	come
994	differ
417	seen
2851	chapter
1151	principle
8612	applies
2143	individual
5738	district
1565	where
1330	species
2434	genus
670	found
1565	where
116	former
2174	variation
21320	differentiation
1565	where
24615	manufactory
7817	specific
2162	forms
3547	actively
558	work
5738	district
1330	species
540	find
1902	average
2149	varieties
16491	secondary
8601	sexual
7165	characters
2089	highly
925	variable
7165	characters
994	differ
1330	species
2846	group
2122	variability
748	parts
12920	organisation
1538	generally
976	taken
3092	advantage
1638	giving
16491	secondary
8601	sexual
2147	differences
4342	sexes
1330	species
7817	specific
2147	differences
1330	species
2434	genus
839	part
1412	organ
946	developed
6094	extraordinary
885	size
6094	extraordinary
1296	manner
2675	comparison
839	part
1412	organ
797	allied
1330	species
3410	gone
6094	extraordinary
2719	amount
973	modification
2434	genus
9935	arose
659	thus
5860	understand
876	why
925	variable
1027	higher
2069	degree
748	parts
2174	variation
649	continued
1818	slow
648	process
4	natural
6819	selection
2643	cases
607	time
7078	overcome
2424	tendency
1012	further
2122	variability
3205	reversion
6124	modified
1032	state
1330	species
23628	extraordinarily
946	developed
1412	organ
644	become
2955	parent
6124	modified
8275	descendants
4991	view
1818	slow
648	process
1551	requiring
6735	lapse
607	time
2331	case
4	natural
6819	selection
2808	succeeded
1638	giving
604	fixed
35	character
1412	organ
6094	extraordinary
1296	manner
946	developed
1330	species
1204	inheriting
813	nearly
1948	constitution
733	common
2955	parent
4079	exposed
706	similar
20093	influences
1683	naturally
5421	tend
3285	analogous
6816	variations
1330	species
1744	occasionally
33023	revert
7165	characters
4347	ancient
18252	progenitors
8343	modifications
5952	arise
3205	reversion
3285	analogous
2174	variation
8343	modifications
2976	add
541	beautiful
6748	harmonious
7466	diversity
439	nature
3893	cause
972	slight
2178	difference
1814	offspring
1203	parents
3893	cause
875	exist
1765	reason
5363	believe
5756	steady
4302	accumulation
3880	beneficial
2147	differences
1510	given
949	rise
8343	modifications
679	structure
313	relation
1240	habits
1330	species
2851	chapter
257	vi
1276	difficulties
6055	theory
1276	difficulties
6055	theory
5736	descent
973	modification
4815	absence
11747	rarity
18118	transitional
2149	varieties
57315	transitions
1240	habits
74	life
8525	diversified
1240	habits
1330	species
1330	species
1240	habits
2585	widely
2252	allies
1589	organs
1176	extreme
6148	perfection
20270	modes
6008	transition
2643	cases
2125	difficulty
67147	natura
8682	non
56862	facit
67148	saltum
1589	organs
795	importance
1589	organs
2643	cases
3126	absolutely
947	perfect
3174	law
25249	unity
2713	type
539	conditions
844	existence
7711	embraced
6055	theory
4	natural
6819	selection
5352	reader
7319	arrived
839	part
558	work
5868	crowd
1276	difficulties
7767	occurred
576	serious
967	day
2709	hardly
9885	reflect
2069	degree
8104	staggered
6701	judgment
731	greater
2554	number
2745	apparent
1260	think
2413	fatal
6055	theory
1276	difficulties
23735	objections
5198	classed
888	heads
876	why
1330	species
3199	descended
1330	species
627	fine
10254	gradations
5525	everywhere
486	see
602	innumerable
18118	transitional
2162	forms
876	why
439	nature
5035	confusion
2785	instead
1330	species
486	see
7118	defined
5040	secondly
67	animal
3282	instance
679	structure
1240	habits
407	bat
981	formed
973	modification
67	animal
2585	widely
1240	habits
679	structure
5363	believe
4	natural
6819	selection
887	produce
418	hand
1412	organ
6280	trifling
795	importance
3136	tail
43977	giraffe
2002	serves
962	fly
17030	flapper
418	hand
1412	organ
327	wonderful
1315	eye
5042	thirdly
3187	instincts
1601	acquired
6124	modified
4	natural
6819	selection
548	say
1174	instinct
1013	leads
3942	bee
473	make
3551	cells
2766	practically
16175	anticipated
4672	discoveries
7379	profound
37812	mathematicians
5044	fourthly
1089	account
1330	species
2356	crossed
32691	sterile
5922	producing
32691	sterile
1814	offspring
2149	varieties
2356	crossed
22934	fertility
14227	unimpaired
888	heads
11363	discussed
9727	miscellaneous
23735	objections
2851	chapter
1174	instinct
67150	hybridism
3343	succeeding
8311	chapters
4815	absence
11747	rarity
18118	transitional
2149	varieties
4	natural
6819	selection
2684	acts
5258	solely
13231	preservation
12100	profitable
8343	modifications
838	form
5421	tend
2536	fully
6806	stocked
1093	country
953	take
1216	place
4184	finally
11813	exterminate
7729	improved
2955	parent
838	form
9629	favoured
2162	forms
2637	comes
17513	competition
659	thus
20063	extinction
4	natural
6819	selection
1824	go
418	hand
418	hand
2289	hence
1851	look
1330	species
3199	descended
1191	unknown
838	form
2955	parent
18118	transitional
2149	varieties
1538	generally
7828	exterminated
648	process
7639	formation
6148	perfection
838	form
6055	theory
602	innumerable
18118	transitional
2162	forms
5061	existed
876	why
540	find
7813	embedded
3359	countless
1159	numbers
3533	crust
64	earth
1317	convenient
11962	discuss
577	question
2851	chapter
37840	imperfection
6220	geological
5402	record
1032	state
5363	believe
579	answer
3180	mainly
468	lies
5402	record
33207	incomparably
947	perfect
1538	generally
4480	supposed
3533	crust
64	earth
1434	vast
2200	museum
4	natural
1257	collections
8495	imperfectly
413	made
3213	intervals
607	time
1504	urged
796	closely
797	allied
1330	species
2476	inhabit
2465	territory
6432	surely
540	find
607	time
18118	transitional
2162	forms
1506	let
953	take
515	simple
2331	case
4271	travelling
2278	north
2627	south
6973	continent
1538	generally
2188	meet
3697	successive
3213	intervals
796	closely
797	allied
4848	representative
1330	species
1762	evidently
10185	filling
813	nearly
1216	place
4	natural
2876	economy
274	land
4848	representative
1330	species
2188	meet
67427	interlock
762	becomes
7584	rarer
7584	rarer
762	becomes
2829	frequent
3123	replaces
6049	compare
1330	species
1565	where
67428	intermingle
1538	generally
3126	absolutely
2115	distinct
3239	detail
679	structure
2656	specimens
976	taken
20873	metropolis
2648	inhabited
6055	theory
797	allied
1330	species
3199	descended
733	common
2955	parent
648	process
973	modification
644	become
4233	adapted
539	conditions
74	life
2293	region
23695	supplanted
7828	exterminated
493	original
2955	parent
838	form
18118	transitional
2149	varieties
125	states
2289	hence
8353	expect
607	time
2188	meet
2552	numerous
18118	transitional
2149	varieties
2293	region
5061	existed
7813	embedded
6834	fossil
725	condition
2196	intermediate
2293	region
2196	intermediate
539	conditions
74	life
876	why
540	find
796	closely
24522	linking
2196	intermediate
2149	varieties
2125	difficulty
607	time
2461	confounded
1260	think
839	part
8494	explained
1216	place
2232	extremely
13102	cautious
8358	inferring
2433	area
7657	continuous
7657	continuous
2772	period
38061	geology
4066	lead
5363	believe
15296	continents
1673	broken
1333	islands
8144	tertiary
843	periods
1333	islands
2115	distinct
1330	species
2242	separately
981	formed
9485	possibility
2196	intermediate
2149	varieties
1138	existing
2196	intermediate
4569	zones
952	changes
838	form
274	land
4168	climate
5604	marine
22441	areas
7657	continuous
5061	existed
2405	recent
884	times
7657	continuous
3977	uniform
725	condition
587	pass
1479	escaping
2125	difficulty
5363	believe
1323	perfectly
7118	defined
1330	species
981	formed
6020	strictly
7657	continuous
22441	areas
3896	doubt
2647	formerly
1673	broken
725	condition
22441	areas
7657	continuous
2100	played
839	part
7639	formation
1330	species
1731	especially
2526	freely
5793	crossing
3813	wandering
293	animals
3035	looking
1330	species
47	distributed
1670	wide
2433	area
1538	generally
540	find
1500	tolerably
2552	numerous
2465	territory
3504	becoming
1026	somewhat
7075	abruptly
7584	rarer
7584	rarer
1946	confines
4184	finally
6250	disappearing
2289	hence
4436	neutral
2465	territory
4848	representative
1330	species
1538	generally
1005	narrow
2675	comparison
2465	territory
514	proper
486	see
714	fact
5745	ascending
1791	mountains
841	remarkable
7075	abruptly
67352	alph
1771	de
67254	candolle
2202	observed
733	common
33918	alpine
1330	species
4629	disappears
714	fact
4180	noticed
5440	forbes
2489	sounding
7814	depths
65	sea
50655	dredge
1851	look
4168	climate
6151	physical
539	conditions
74	life
808	elements
2622	distribution
1651	facts
3893	cause
1674	surprise
4168	climate
1347	height
2503	depth
25304	graduate
15352	insensibly
1969	bear
2443	mind
1330	species
20873	metropolis
2764	increase
23274	immensely
1159	numbers
24424	competing
1330	species
813	nearly
332	prey
5879	serve
332	prey
1025	others
21627	organic
5293	indirectly
592	related
1296	manner
21627	organic
1021	beings
486	see
443	range
6224	inhabitants
1093	country
553	means
842	exclusively
5261	depends
15352	insensibly
2615	changing
6151	physical
539	conditions
839	part
2287	presence
1330	species
1002	lives
2797	destroyed
2637	comes
17513	competition
1330	species
7118	defined
502	objects
13888	blending
10232	insensible
10254	gradations
443	range
1330	species
6910	depending
443	range
1025	others
5421	tend
3757	sharply
7118	defined
932	moreover
1330	species
1946	confines
443	range
1565	where
3419	exists
10861	lessened
1159	numbers
23477	fluctuations
2554	number
2029	enemies
332	prey
439	nature
4948	seasons
2232	extremely
4608	liable
3458	utter
12628	extermination
659	thus
2426	geographical
443	range
1070	come
3757	sharply
7118	defined
797	allied
4848	representative
1330	species
4044	inhabiting
7657	continuous
2433	area
1538	generally
47	distributed
1296	manner
1670	wide
443	range
1062	comparatively
1005	narrow
4436	neutral
2465	territory
644	become
1099	suddenly
7584	rarer
7584	rarer
2149	varieties
484	essentially
994	differ
1330	species
426	rule
477	apply
953	take
6422	varying
1330	species
4044	inhabiting
2433	area
6828	adapt
2149	varieties
22441	areas
79	third
4463	variety
1005	narrow
2196	intermediate
3513	zone
2196	intermediate
4463	variety
5341	consequently
875	exist
7536	lesser
1159	numbers
4044	inhabiting
1005	narrow
7536	lesser
2433	area
2766	practically
473	make
426	rule
1853	holds
1205	good
2149	varieties
1032	state
439	nature
1808	met
1889	striking
2746	instances
426	rule
2331	case
2149	varieties
2196	intermediate
437	marked
2149	varieties
2434	genus
67429	balanus
860	appear
696	information
1510	given
390	mr
21080	watson
1355	dr
42272	asa
2497	gray
390	mr
45679	wollaston
1538	generally
2149	varieties
2196	intermediate
2162	forms
1798	occur
7584	rarer
35636	numerically
2162	forms
6503	connect
1217	trust
1651	facts
18117	inferences
4410	conclude
2149	varieties
24522	linking
2149	varieties
1538	generally
5061	existed
7536	lesser
1159	numbers
2162	forms
6503	connect
5860	understand
876	why
2196	intermediate
2149	varieties
10074	endure
843	periods
876	why
915	general
426	rule
7828	exterminated
1088	disappear
1383	sooner
2162	forms
6818	originally
9410	linked
838	form
1138	existing
7536	lesser
1159	numbers
6129	remarked
1476	run
731	greater
2717	chance
7828	exterminated
1138	existing
1159	numbers
2917	particular
2331	case
2196	intermediate
838	form
1540	eminently
4608	liable
5084	inroads
796	closely
797	allied
2162	forms
1138	existing
584	sides
5118	consideration
648	process
1012	further
973	modification
2149	varieties
4480	supposed
5392	converted
1058	perfected
2115	distinct
1330	species
875	exist
712	larger
1159	numbers
4044	inhabiting
712	larger
22441	areas
790	great
3092	advantage
2196	intermediate
4463	variety
3419	exists
1353	smaller
1159	numbers
1005	narrow
2196	intermediate
3513	zone
2162	forms
1138	existing
712	larger
1159	numbers
2717	chance
1510	given
2772	period
2590	presenting
1012	further
14207	favourable
6816	variations
4	natural
6819	selection
1466	seize
7584	rarer
2162	forms
875	exist
7536	lesser
1159	numbers
2289	hence
733	common
2162	forms
3093	race
74	life
5421	tend
1107	beat
19368	supplant
733	common
2162	forms
1833	slowly
6124	modified
7729	improved
1151	principle
5363	believe
1298	accounts
733	common
1330	species
1093	country
807	shown
2851	chapter
2590	presenting
1902	average
731	greater
2554	number
437	marked
2149	varieties
7584	rarer
1330	species
8788	illustrate
2725	mean
2149	varieties
3885	sheep
984	kept
4233	adapted
2123	extensive
2649	mountainous
2293	region
1062	comparatively
1005	narrow
22734	hilly
22123	tract
79	third
1670	wide
1790	plains
1779	base
6224	inhabitants
3150	trying
2332	equal
22590	steadiness
3005	skill
7716	improve
21025	stocks
6819	selection
1084	chances
2331	case
800	strongly
9755	favour
790	great
27580	holders
1791	mountains
1790	plains
10400	improving
5047	breeds
2593	quickly
27580	holders
2196	intermediate
1005	narrow
22734	hilly
22123	tract
5341	consequently
7729	improved
4464	mountain
4597	plain
4602	breed
953	take
1216	place
7729	improved
4922	hill
4602	breed
659	thus
5047	breeds
6818	originally
5061	existed
731	greater
1159	numbers
1070	come
1211	contact
39713	interposition
23695	supplanted
2196	intermediate
4922	hill
4463	variety
12222	sum
5363	believe
1330	species
1070	come
1500	tolerably
7118	defined
502	objects
2772	period
51877	inextricable
15297	chaos
6422	varying
2196	intermediate
4343	links
2149	varieties
1833	slowly
981	formed
2174	variation
1818	slow
648	process
4	natural
6819	selection
14207	favourable
2143	individual
2147	differences
6816	variations
1798	occur
1216	place
4	natural
67339	polity
1093	country
4987	filled
973	modification
6224	inhabitants
1184	places
5107	depend
1818	slow
952	changes
4168	climate
2255	occasional
24741	immigration
6224	inhabitants
2069	degree
359	old
6224	inhabitants
3504	becoming
1833	slowly
6124	modified
2162	forms
659	thus
40	produced
359	old
938	ones
5135	acting
60402	reacting
2293	region
607	time
486	see
1330	species
2590	presenting
972	slight
8343	modifications
679	structure
2069	degree
2361	permanent
10576	assuredly
486	see
5040	secondly
22441	areas
7657	continuous
5061	existed
2405	recent
2772	period
3905	isolated
4825	portions
2162	forms
1731	especially
5039	classes
8408	unite
1813	birth
521	wander
2242	separately
655	rendered
5758	sufficiently
2115	distinct
1570	rank
4848	representative
1330	species
2331	case
2196	intermediate
2149	varieties
4848	representative
1330	species
733	common
2955	parent
2647	formerly
5061	existed
3905	isolated
2508	portion
274	land
4343	links
648	process
4	natural
6819	selection
23695	supplanted
7828	exterminated
2543	longer
670	found
1032	state
5042	thirdly
2149	varieties
981	formed
4825	portions
6020	strictly
7657	continuous
2433	area
2196	intermediate
2149	varieties
855	probable
981	formed
2196	intermediate
4569	zones
1538	generally
4378	duration
2196	intermediate
2149	varieties
8492	reasons
10005	assigned
7117	namely
420	know
5274	actual
2622	distribution
796	closely
797	allied
4848	representative
1330	species
10464	acknowledged
2149	varieties
875	exist
2196	intermediate
4569	zones
7536	lesser
1159	numbers
2149	varieties
5421	tend
6503	connect
3893	cause
2196	intermediate
2149	varieties
4608	liable
4983	accidental
12628	extermination
648	process
1012	further
973	modification
4	natural
6819	selection
1438	certainly
765	beaten
23695	supplanted
2162	forms
6503	connect
1138	existing
731	greater
1159	numbers
23117	aggregate
2149	varieties
659	thus
1012	further
7729	improved
4	natural
6819	selection
5062	gain
1012	further
3057	advantages
5177	lastly
3035	looking
607	time
607	time
6055	theory
6720	numberless
2196	intermediate
2149	varieties
24522	linking
796	closely
1330	species
2846	group
10576	assuredly
5061	existed
648	process
4	natural
6819	selection
454	constantly
580	tends
6129	remarked
11813	exterminate
2955	parent
2162	forms
2196	intermediate
4343	links
5341	consequently
1238	evidence
116	former
844	existence
670	found
6834	fossil
525	remains
6438	preserved
2033	attempt
1725	show
2984	future
2851	chapter
2232	extremely
8027	imperfect
33779	intermittent
5402	record
2474	origin
6008	transition
21627	organic
1021	beings
1567	peculiar
1240	habits
679	structure
8041	asked
18863	opponents
14503	views
1067	hold
3282	instance
274	land
2343	carnivorous
67	animal
5392	converted
3298	aquatic
1240	habits
67	animal
18118	transitional
1032	state
27159	subsisted
914	easy
1725	show
875	exist
2343	carnivorous
293	animals
2590	presenting
2196	intermediate
3202	grades
6020	strictly
3300	terrestrial
3298	aquatic
1240	habits
3419	exists
3075	struggle
74	life
431	clear
4233	adapted
1216	place
439	nature
1851	look
63670	mustela
63671	vison
2278	north
1254	america
8983	webbed
1346	feet
2425	resembles
8909	otter
7282	fur
743	legs
838	form
3136	tail
3593	summer
67	animal
20040	dives
7253	preys
355	fish
309	winter
586	leaves
3694	frozen
2635	waters
7253	preys
67430	polecats
2827	mice
274	land
293	animals
2331	case
976	taken
8041	asked
3705	insectivorous
7068	quadruped
3333	possibly
5392	converted
1571	flying
407	bat
577	question
1242	difficult
579	answer
1260	think
1276	difficulties
1973	weight
1484	occasions
3275	lie
4309	heavy
8392	disadvantage
1889	striking
2643	cases
760	collected
13	give
2746	instances
18118	transitional
1240	habits
4560	structures
797	allied
1330	species
8525	diversified
1240	habits
3137	constant
2255	occasional
1330	species
1193	seems
245	list
2643	cases
3948	sufficient
6891	lessen
2125	difficulty
2917	particular
2331	case
407	bat
1851	look
1161	family
4034	squirrels
3824	finest
67047	gradation
293	animals
1223	tails
1495	slightly
3741	flattened
1025	others
322	sir
20352	richardson
6129	remarked
1514	posterior
839	part
718	bodies
1670	wide
2298	skin
9115	flanks
498	full
661	called
1571	flying
4034	squirrels
1571	flying
4034	squirrels
1533	limbs
1779	base
3136	tail
124	united
995	broad
8962	expanse
2298	skin
2002	serves
5814	parachute
24517	allows
5520	glide
821	air
2312	astonishing
1405	distance
492	tree
492	tree
3896	doubt
679	structure
7	use
958	kind
8925	squirrel
1093	country
1458	enabling
1157	escape
294	birds
7127	beasts
332	prey
688	collect
966	food
2593	quickly
1765	reason
5363	believe
6891	lessen
1470	danger
2255	occasional
6520	falls
5123	follow
714	fact
679	structure
8925	squirrel
6597	conceive
539	conditions
1506	let
4168	climate
3633	vegetation
889	change
1506	let
24424	competing
4027	rodents
7127	beasts
332	prey
67295	immigrate
359	old
938	ones
644	become
6124	modified
2239	analogy
4066	lead
5363	believe
4034	squirrels
21472	decrease
1159	numbers
644	become
7828	exterminated
644	become
6124	modified
7729	improved
679	structure
7029	corresponding
1296	manner
834	therefore
486	see
2125	difficulty
1731	especially
2615	changing
539	conditions
74	life
649	continued
13231	preservation
2142	individuals
2957	fuller
2957	fuller
36701	flank
3575	membranes
973	modification
5124	useful
6821	propagated
7673	accumulated
17321	effects
648	process
4	natural
6819	selection
947	perfect
661	called
1571	flying
8925	squirrel
40	produced
1851	look
64140	galeopithecus
661	called
1571	flying
63435	lemur
2647	formerly
23458	ranked
345	bats
7717	believed
2937	belong
63569	insectivora
2232	extremely
1670	wide
36701	flank
3588	membrane
8222	stretches
7230	corners
2223	jaw
3136	tail
5043	includes
1533	limbs
7797	elongated
1706	fingers
36701	flank
3588	membrane
4975	furnished
61553	extensor
2184	muscle
6919	graduated
4343	links
679	structure
979	fitted
5763	gliding
821	air
6503	connect
64140	galeopithecus
63569	insectivora
2125	difficulty
4343	links
2647	formerly
5061	existed
946	developed
1296	manner
1323	perfectly
5763	gliding
4034	squirrels
3499	grade
679	structure
5124	useful
3389	possessor
486	see
39994	insuperable
2125	difficulty
1012	further
1321	believing
3588	membrane
3553	connected
1706	fingers
7181	fore
1497	arm
64140	galeopithecus
1414	greatly
6521	lengthened
4	natural
6819	selection
1589	organs
1644	flight
6076	concerned
5392	converted
67	animal
407	bat
345	bats
3875	wing
3588	membrane
2629	extends
1863	top
7190	shoulder
3136	tail
5043	includes
1532	hind
743	legs
486	see
6836	traces
3560	apparatus
6818	originally
979	fitted
5763	gliding
821	air
1644	flight
1329	dozen
6233	genera
294	birds
644	become
3469	extinct
8461	ventured
14195	surmise
294	birds
5061	existed
742	wings
5258	solely
17023	flappers
67372	logger
3252	headed
5578	duck
67431	micropterus
67432	eyton
2784	fins
635	water
4925	front
743	legs
274	land
67433	penguin
26256	sails
3488	ostrich
67421	functionally
1091	purpose
67068	apteryx
679	structure
294	birds
1205	good
539	conditions
74	life
4079	exposed
1653	live
3075	struggle
5327	necessarily
539	conditions
12512	inferred
2086	remarks
3202	grades
3875	wing
679	structure
8449	alluded
1363	result
10544	disuse
2342	indicate
3175	steps
294	birds
2765	actually
1601	acquired
947	perfect
1627	power
1644	flight
5879	serve
1725	show
8525	diversified
553	means
6008	transition
1751	seeing
2376	members
635	water
1044	breathing
5039	classes
64676	crustacea
64675	mollusca
4233	adapted
1653	live
274	land
1751	seeing
1571	flying
294	birds
1572	mammals
1571	flying
1699	insects
8525	diversified
2727	types
2647	formerly
1571	flying
2813	reptiles
12842	conceivable
1571	flying
355	fish
5520	glide
821	air
1495	slightly
4689	rising
5070	turning
3277	aid
4826	fluttering
2784	fins
6124	modified
1323	perfectly
3830	winged
293	animals
1531	effected
1548	imagined
18118	transitional
1032	state
6224	inhabitants
3229	ocean
22306	incipient
1589	organs
1644	flight
842	exclusively
420	know
1157	escape
975	devoured
355	fish
486	see
679	structure
2089	highly
1058	perfected
2917	particular
479	habit
742	wings
321	bird
1644	flight
1969	bear
2443	mind
293	animals
1542	displaying
18118	transitional
3202	grades
679	structure
2322	seldom
7443	survived
967	day
23695	supplanted
25286	successors
945	gradually
655	rendered
947	perfect
4	natural
6819	selection
6034	furthermore
4410	conclude
18118	transitional
125	states
4560	structures
979	fitted
1240	habits
74	life
1373	rarely
946	developed
2772	period
790	great
1159	numbers
23757	subordinate
2162	forms
659	thus
578	return
5182	imaginary
288	illustration
1571	flying
355	fish
1125	seem
855	probable
295	fishes
1822	capable
1644	flight
946	developed
23757	subordinate
2162	forms
900	taking
332	prey
2013	kinds
446	ways
274	land
635	water
1589	organs
1644	flight
1070	come
2798	stage
6148	perfection
1510	given
2161	decided
3092	advantage
293	animals
3064	battle
74	life
2289	hence
2717	chance
4735	discovering
1330	species
18118	transitional
3202	grades
679	structure
6834	fossil
725	condition
5061	existed
7536	lesser
1159	numbers
2331	case
1330	species
2536	fully
946	developed
4560	structures
13	give
2746	instances
8525	diversified
1086	changed
1240	habits
2142	individuals
1330	species
2331	case
914	easy
4	natural
6819	selection
6828	adapt
679	structure
67	animal
1086	changed
1240	habits
842	exclusively
1240	habits
1242	difficult
2455	decide
39991	immaterial
1240	habits
1538	generally
889	change
679	structure
4367	afterwards
972	slight
8343	modifications
679	structure
4066	lead
1086	changed
1240	habits
6577	occurring
1526	simultaneously
2643	cases
1086	changed
1240	habits
3054	suffice
449	merely
8411	allude
5732	british
1699	insects
2821	feed
18887	exotic
447	plants
842	exclusively
4942	artificial
691	substances
8525	diversified
1240	habits
602	innumerable
2746	instances
1510	given
1742	watched
8291	tyrant
4966	flycatcher
67434	saurophagus
67435	sulphuratus
2627	south
1254	america
3936	hovering
1857	spot
4183	proceeding
67436	kestrel
884	times
2284	standing
6522	stationary
7917	margin
635	water
38432	dashing
7960	kingfisher
355	fish
1093	country
712	larger
67437	titmouse
67438	parus
6470	major
417	seen
1480	climbing
1543	branches
67439	creeper
64660	shrike
16856	kills
294	birds
8764	blows
747	head
884	times
417	seen
1404	heard
4196	hammering
620	seeds
16399	yew
1596	branch
659	thus
2039	breaking
67440	nuthatch
2278	north
1254	america
410	black
1969	bear
417	seen
47038	hearne
7098	swimming
668	hours
2585	widely
749	mouth
659	thus
5807	catching
19603	whale
1699	insects
635	water
486	see
2142	individuals
1240	habits
514	proper
1330	species
1330	species
2434	genus
8353	expect
2142	individuals
1744	occasionally
13	give
949	rise
1330	species
34968	anomalous
1240	habits
679	structure
1495	slightly
2173	considerably
6124	modified
2713	type
2746	instances
1798	occur
439	nature
1889	striking
3282	instance
6997	adaptation
1510	given
404	woodpecker
1480	climbing
1377	trees
1625	seizing
1699	insects
10519	chinks
3417	bark
2278	north
1254	america
3709	woodpeckers
2821	feed
4596	largely
589	fruit
1025	others
7797	elongated
742	wings
7226	chase
1699	insects
3875	wing
1790	plains
13545	la
24062	plata
1565	where
2709	hardly
492	tree
531	grows
404	woodpecker
67441	colaptes
67442	campestris
1992	toes
5572	pointed
1077	tongue
5572	pointed
3136	tail
741	feathers
5758	sufficiently
3620	stiff
1311	support
321	bird
3914	vertical
1464	position
166	post
3620	stiff
3724	typical
786	wood
8775	peckers
1852	straight
2341	strong
318	beak
318	beak
1852	straight
2341	strong
3724	typical
3709	woodpeckers
2341	strong
4304	bore
786	wood
2289	hence
67441	colaptes
852	essential
748	parts
679	structure
404	woodpecker
6280	trifling
7165	characters
39969	colouring
5598	harsh
4710	tone
1392	voice
41112	undulatory
1644	flight
1103	blood
6892	relationship
733	common
404	woodpecker
3733	plainly
13324	declared
5157	assert
474	observations
6277	accurate
6542	azara
3362	districts
1468	climb
1377	trees
1961	makes
340	nest
6423	holes
2469	banks
3362	districts
404	woodpecker
390	mr
5014	hudson
125	states
2859	frequents
1377	trees
21367	bores
6423	holes
4206	trunk
340	nest
4906	mention
288	illustration
2137	varied
1240	habits
2434	genus
17656	mexican
67441	colaptes
2395	described
1771	de
67443	saussure
3653	boring
6423	holes
786	wood
534	order
1090	lay
6006	store
21985	acorns
57639	petrels
37451	aerial
49883	oceanic
294	birds
3528	quiet
1399	sounds
7085	tierra
7086	del
7087	fuego
67444	puffinuria
67445	berardi
915	general
1240	habits
2312	astonishing
1627	power
49509	diving
1296	manner
7098	swimming
1571	flying
413	made
953	take
1644	flight
6673	mistaken
67446	auk
60216	grebe
484	essentially
67275	petrel
748	parts
12920	organisation
12761	profoundly
6124	modified
313	relation
1240	habits
74	life
404	woodpecker
13545	la
24062	plata
679	structure
1495	slightly
6124	modified
2331	case
635	water
47147	ouzel
67447	acutest
1448	observer
7702	examining
873	dead
739	body
4199	suspected
7271	sub
3298	aquatic
1240	habits
321	bird
797	allied
4613	thrush
1161	family
55935	subsists
49509	diving
1527	using
742	wings
635	water
1649	grasping
1156	stones
1346	feet
2376	members
790	great
534	order
67303	hymenopterous
1699	insects
3300	terrestrial
2434	genus
67448	proctotrupes
322	sir
128	john
364	lubbock
2396	discovered
3298	aquatic
1240	habits
4244	enters
635	water
20040	dives
7	use
743	legs
742	wings
525	remains
668	hours
935	surface
1586	exhibits
973	modification
679	structure
7448	accordance
5092	abnormal
1240	habits
7826	believes
2826	created
486	see
1744	occasionally
2452	felt
1674	surprise
1808	met
67	animal
1240	habits
679	structure
7801	agreement
8432	plainer
8983	webbed
1346	feet
4373	ducks
5212	geese
981	formed
7098	swimming
23145	upland
5212	geese
8983	webbed
1346	feet
1373	rarely
1824	go
635	water
4327	audubon
417	seen
42334	frigate
321	bird
1992	toes
8983	webbed
4153	alight
935	surface
3229	ocean
418	hand
5195	grebes
67449	coots
1540	eminently
3298	aquatic
1992	toes
5802	bordered
3588	membrane
1193	seems
8432	plainer
1992	toes
4975	furnished
3588	membrane
67450	grallatores
981	formed
1513	walking
1131	swamps
11459	floating
447	plants
635	water
751	hen
67451	landrail
2376	members
534	order
813	nearly
3298	aquatic
42996	coot
813	nearly
3300	terrestrial
5239	quail
21185	partridge
2643	cases
1025	others
1510	given
1240	habits
1086	changed
7029	corresponding
889	change
679	structure
8983	webbed
1346	feet
23145	upland
7840	goose
867	said
644	become
943	rudimentary
5970	function
679	structure
42334	frigate
321	bird
3708	deeply
16676	scooped
3588	membrane
1992	toes
2201	shows
679	structure
4164	begun
889	change
7826	believes
929	separate
602	innumerable
2684	acts
6824	creation
548	say
2643	cases
11280	pleased
9981	creator
3893	cause
2713	type
953	take
1216	place
5238	belonging
2713	type
1193	seems
67452	restating
714	fact
15034	dignified
34	language
7826	believes
3075	struggle
844	existence
1151	principle
4	natural
6819	selection
14273	acknowledge
21627	organic
454	constantly
10574	endeavouring
2764	increase
1159	numbers
2172	varies
1240	habits
679	structure
659	thus
8602	gains
3092	advantage
8760	inhabitant
1093	country
1466	seize
1216	place
8760	inhabitant
1216	place
2289	hence
3893	cause
1674	surprise
5212	geese
42334	frigate
294	birds
8983	webbed
1346	feet
715	dry
274	land
1373	rarely
4241	alighting
635	water
9191	toed
67453	corncrakes
5226	meadows
2785	instead
1131	swamps
3709	woodpeckers
1565	where
2709	hardly
492	tree
531	grows
49509	diving
5375	thrushes
49509	diving
6754	hymenoptera
57639	petrels
1240	habits
67454	auks
1589	organs
1176	extreme
6148	perfection
45547	complication
2309	suppose
1315	eye
28267	inimitable
11550	contrivances
12492	adjusting
8394	focus
1619	distances
7197	admitting
21326	amounts
3104	light
11964	correction
5770	spherical
48333	chromatic
54458	aberration
981	formed
4	natural
6819	selection
1193	seems
2526	freely
2952	confess
2873	absurd
2041	highest
2069	degree
867	said
1921	sun
4332	stood
535	world
2295	turned
733	common
2096	sense
5134	mankind
13324	declared
14371	doctrine
2006	false
359	old
6149	saying
67455	vox
67456	populi
67455	vox
28910	dei
11805	philosopher
965	knows
12254	trusted
392	science
1765	reason
3091	tells
2552	numerous
10254	gradations
515	simple
8027	imperfect
1315	eye
6319	complex
947	perfect
807	shown
875	exist
3499	grade
5124	useful
3389	possessor
1438	certainly
2331	case
1012	further
1315	eye
2172	varies
6816	variations
6959	inherited
1438	certainly
2331	case
6816	variations
5124	useful
67	animal
2615	changing
539	conditions
74	life
2125	difficulty
1321	believing
947	perfect
6319	complex
1315	eye
981	formed
4	natural
6819	selection
39994	insuperable
457	imagination
2092	considered
34978	subversive
6055	theory
3555	nerve
2637	comes
3529	sensitive
3104	light
2709	hardly
15353	concerns
74	life
1299	originated
2447	remark
2749	lowest
21525	organisms
5712	nerves
2285	detected
1822	capable
1743	perceiving
3104	light
1125	seem
1579	impossible
3529	sensitive
808	elements
67457	sarcode
644	become
25829	aggregated
946	developed
5712	nerves
7497	endowed
7028	sensibility
3713	searching
10254	gradations
1412	organ
1330	species
1058	perfected
1851	look
842	exclusively
67166	lineal
18252	progenitors
4280	scarcely
7901	forced
1851	look
1330	species
6233	genera
2846	group
23505	collateral
8275	descendants
2955	parent
838	form
534	order
486	see
10254	gradations
2717	chance
10254	gradations
7954	transmitted
12845	unaltered
5754	altered
725	condition
1032	state
1412	organ
2115	distinct
5039	classes
8787	incidentally
1626	throw
3104	light
3175	steps
1058	perfected
6980	simplest
1412	organ
661	called
1315	eye
608	consists
49421	optic
3555	nerve
3540	surrounded
41487	pigment
3551	cells
740	covered
24107	translucent
2298	skin
7703	lens
41088	refractive
739	body
1123	according
18027	jourdain
1381	descend
1556	step
1879	lower
540	find
47723	aggregates
41487	pigment
3551	cells
2022	apparently
1873	serving
1589	organs
2097	vision
5712	nerves
1930	resting
449	merely
67458	sarcodic
12971	tissue
1740	eyes
515	simple
439	nature
1822	capable
2115	distinct
2097	vision
5879	serve
877	distinguish
3104	light
3562	darkness
8855	star
295	fishes
8194	depressions
4927	layer
41487	pigment
3375	surrounds
3555	nerve
4987	filled
2395	described
26	author
2228	quoted
1166	transparent
60525	gelatinous
428	matter
2692	projecting
8752	convex
935	surface
61274	cornea
1027	higher
293	animals
6154	suggests
2002	serves
838	form
6951	image
8223	concentrate
13271	luminous
6504	rays
4322	render
6941	perception
914	easy
11981	concentration
6504	rays
5062	gain
1556	step
7639	formation
6953	picture
763	forming
1315	eye
1216	place
2515	naked
7212	extremity
49421	optic
3555	nerve
1879	lower
293	animals
468	lies
3708	deeply
3720	buried
739	body
935	surface
1405	distance
35428	concentrating
3560	apparatus
6951	image
981	formed
790	great
3195	class
67459	articulata
39	start
49421	optic
3555	nerve
911	simply
14866	coated
41487	pigment
2330	latter
763	forming
802	sort
8431	pupil
4578	destitute
7703	lens
38034	optical
28665	contrivance
1699	insects
664	known
2552	numerous
66271	facets
61274	cornea
790	great
832	compound
1740	eyes
838	form
35097	lenses
8543	cones
6991	include
6933	curiously
6124	modified
3558	nervous
8490	filaments
1589	organs
67459	articulata
8525	diversified
27889	muller
2647	formerly
413	made
3217	main
5039	classes
3980	seven
1019	subdivisions
5956	fourth
3217	main
3195	class
25829	aggregated
515	simple
1740	eyes
9885	reflect
1651	facts
1510	given
5010	briefly
968	respect
1670	wide
8525	diversified
6919	graduated
443	range
679	structure
1740	eyes
1879	lower
293	animals
1969	bear
2443	mind
2554	number
2162	forms
2675	comparison
644	become
3469	extinct
2125	difficulty
4590	ceases
790	great
1321	believing
4	natural
6819	selection
5392	converted
515	simple
3560	apparatus
49421	optic
3555	nerve
14866	coated
41487	pigment
12129	invested
1166	transparent
3588	membrane
38034	optical
3869	instrument
947	perfect
1393	possessed
6779	member
67459	articulata
3195	class
1824	go
659	thus
9083	hesitate
1824	go
1556	step
1012	further
506	finds
5953	finishing
24	volume
718	bodies
1651	facts
5696	inexplicable
8494	explained
6055	theory
973	modification
4	natural
6819	selection
5314	admit
679	structure
947	perfect
4771	eagle
1315	eye
659	thus
981	formed
2331	case
420	know
18118	transitional
125	states
8387	objected
534	order
22599	modify
1315	eye
1518	preserve
947	perfect
3869	instrument
952	changes
1531	effected
1526	simultaneously
2283	assumed
4	natural
6819	selection
2225	attempted
1725	show
558	work
2174	variation
2897	domestic
293	animals
485	necessary
2309	suppose
8343	modifications
17118	simultaneous
2232	extremely
972	slight
1642	gradual
2013	kinds
973	modification
5879	serve
915	general
1091	purpose
390	mr
323	wallace
6129	remarked
7703	lens
8394	focus
19988	amended
9508	alteration
41809	curvature
9508	alteration
21566	density
41809	curvature
565	irregular
6504	rays
39477	converge
223	point
5105	increased
4260	regularity
41809	curvature
11299	improvement
7992	contraction
2964	iris
5790	muscular
1574	movements
1315	eye
852	essential
2097	vision
10696	improvements
901	added
1058	perfected
2798	stage
2354	construction
3869	instrument
2041	highest
5319	division
67	animal
3725	kingdom
7117	namely
7204	vertebrata
39	start
1315	eye
515	simple
608	consists
67362	lancelet
3259	sack
1166	transparent
2298	skin
4975	furnished
3555	nerve
4715	lined
41487	pigment
4578	destitute
3560	apparatus
295	fishes
2813	reptiles
2213	owen
6129	remarked
443	range
67047	gradation
41097	dioptric
4560	structures
790	great
4496	significant
714	fact
303	man
1123	according
2323	authority
31040	virchow
541	beautiful
41087	crystalline
7703	lens
981	formed
17631	embryo
4302	accumulation
67460	epidermic
3551	cells
3315	lying
3259	sack
3261	fold
2298	skin
41391	vitreous
739	body
981	formed
46159	embryonic
22482	subcutaneous
12971	tissue
1826	arrive
6630	conclusion
1245	regarding
7639	formation
1315	eye
1842	marvellous
3126	absolutely
947	perfect
7165	characters
4439	indispensable
1765	reason
19432	conquer
457	imagination
2452	felt
2125	difficulty
13684	keenly
4220	surprised
1025	others
10165	hesitating
1795	extend
1151	principle
4	natural
6819	selection
1623	startling
1758	length
4280	scarcely
1700	avoid
5325	comparing
1315	eye
16812	telescope
420	know
3869	instrument
1058	perfected
649	continued
4819	efforts
2041	highest
2019	human
39636	intellects
1683	naturally
8474	infer
1315	eye
981	formed
1026	somewhat
3285	analogous
648	process
14030	inference
34240	presumptuous
1563	assume
9981	creator
918	works
9385	intellectual
508	powers
303	man
6049	compare
1315	eye
38034	optical
3869	instrument
457	imagination
953	take
1904	thick
4927	layer
1166	transparent
12971	tissue
1608	spaces
4987	filled
672	fluid
3555	nerve
3529	sensitive
3104	light
2309	suppose
839	part
4927	layer
4865	continually
2615	changing
1833	slowly
21566	density
929	separate
3823	layers
54346	densities
5989	thicknesses
750	placed
1619	distances
7223	surfaces
4927	layer
1833	slowly
2615	changing
838	form
1012	further
2309	suppose
1627	power
595	represented
4	natural
6819	selection
33005	survival
35457	fittest
2407	intently
2406	watching
972	slight
9508	alteration
1166	transparent
3823	layers
1214	carefully
39783	preserving
2137	varied
2364	circumstances
2069	degree
580	tends
887	produce
67461	distincter
6951	image
2309	suppose
1032	state
3869	instrument
5882	multiplied
2756	million
6438	preserved
40	produced
359	old
938	ones
2797	destroyed
718	bodies
2174	variation
3893	cause
972	slight
9508	alteration
1246	generation
3169	multiply
12240	infinitely
4	natural
6819	selection
2824	pick
5462	unerring
3005	skill
11299	improvement
1506	let
648	process
1824	go
2771	millions
436	years
2658	year
2771	millions
2142	individuals
2013	kinds
5363	believe
38034	optical
3869	instrument
659	thus
981	formed
4513	superior
3152	glass
918	works
9981	creator
303	man
20270	modes
6008	transition
2251	demonstrated
6319	complex
1412	organ
5061	existed
3333	possibly
981	formed
2552	numerous
3697	successive
972	slight
8343	modifications
6055	theory
3126	absolutely
755	break
540	find
2331	case
3896	doubt
1589	organs
875	exist
420	know
18118	transitional
3202	grades
1731	especially
1851	look
3905	isolated
1330	species
1123	according
6055	theory
20063	extinction
953	take
1412	organ
733	common
2376	members
3195	class
2330	latter
2331	case
1412	organ
6818	originally
981	formed
4174	remote
2772	period
2376	members
3195	class
946	developed
534	order
4123	discover
18118	transitional
3202	grades
1412	organ
2076	passed
1851	look
4347	ancient
10905	ancestral
2162	forms
644	become
3469	extinct
2232	extremely
13102	cautious
14524	concluding
1412	organ
981	formed
18118	transitional
10254	gradations
958	kind
2552	numerous
2643	cases
1510	given
1879	lower
293	animals
1412	organ
3916	performing
607	time
716	wholly
2115	distinct
1024	functions
659	thus
3639	larva
7925	dragon
962	fly
355	fish
67462	cobites
17462	alimentary
5613	canal
67463	respires
2888	digests
67464	excretes
54051	hydra
67	animal
2295	turned
902	exterior
935	surface
2879	digest
977	stomach
67465	respire
2643	cases
4	natural
6819	selection
67466	specialise
3092	advantage
659	thus
4874	gained
839	part
1412	organ
4198	previously
1146	performed
1024	functions
5970	function
659	thus
10232	insensible
3175	steps
1414	greatly
889	change
439	nature
447	plants
664	known
4947	regularly
887	produce
607	time
5583	differently
4580	constructed
588	flowers
447	plants
887	produce
958	kind
790	great
889	change
1531	effected
2506	comparative
10610	suddenness
35	character
1330	species
855	probable
2933	sorts
588	flowers
2442	borne
621	plant
6818	originally
18025	differentiated
19985	finely
6919	graduated
3175	steps
1189	followed
2643	cases
2115	distinct
1589	organs
1412	organ
2162	forms
1526	simultaneously
6633	perform
2143	individual
5970	function
2232	extremely
553	means
6008	transition
13	give
3282	instance
355	fish
1034	gills
67467	branchiae
1069	breathe
821	air
728	dissolved
635	water
607	time
1069	breathe
2000	free
821	air
1110	swim
58833	bladders
2330	latter
1412	organ
5038	divided
2089	highly
21405	vascular
5876	partitions
67468	ductus
67469	pneumaticus
1003	supply
821	air
13	give
3282	instance
689	vegetable
3725	kingdom
447	plants
1468	climb
2115	distinct
553	means
46120	spirally
52016	twining
8546	clasping
1311	support
3529	sensitive
56342	tendrils
67470	emission
37451	aerial
7712	rootlets
553	means
670	found
2115	distinct
2830	groups
1330	species
2393	exhibit
553	means
727	combined
2143	individual
2643	cases
1589	organs
1443	readily
6124	modified
1058	perfected
6633	perform
558	work
7820	aided
1528	progress
973	modification
1412	organ
1412	organ
6124	modified
2115	distinct
1091	purpose
716	wholly
10583	obliterated
288	illustration
1110	swim
1050	bladder
295	fishes
1205	good
2201	shows
2751	clearly
2089	highly
714	fact
1412	organ
6818	originally
4580	constructed
1091	purpose
7117	namely
50746	flotation
5392	converted
2585	widely
1091	purpose
7117	namely
22416	respiration
1110	swim
1050	bladder
4103	worked
46107	accessory
14334	auditory
1589	organs
295	fishes
67358	physiologists
5314	admit
1110	swim
1050	bladder
27996	homologous
8702	ideally
706	similar
1464	position
679	structure
1037	lungs
1027	higher
2748	vertebrate
293	animals
2289	hence
1765	reason
3896	doubt
1110	swim
1050	bladder
2765	actually
5392	converted
1037	lungs
1412	organ
842	exclusively
22416	respiration
1123	according
4991	view
12512	inferred
2748	vertebrate
293	animals
1037	lungs
3199	descended
1264	ordinary
1246	generation
4347	ancient
1191	unknown
20205	prototype
4975	furnished
11459	floating
3560	apparatus
1110	swim
1050	bladder
659	thus
8474	infer
200	professor
2213	owen
429	interesting
3998	description
748	parts
5860	understand
305	strange
714	fact
12881	particle
966	food
1704	drink
3898	swallow
587	pass
4488	orifice
61354	trachea
4549	risk
2105	falling
1037	lungs
541	beautiful
28665	contrivance
61021	glottis
6283	closed
1027	higher
7204	vertebrata
67467	branchiae
716	wholly
6738	disappeared
17631	embryo
27898	slits
584	sides
745	neck
4526	loop
954	course
7530	arteries
5684	mark
116	former
1464	position
12842	conceivable
10231	utterly
465	lost
67467	branchiae
945	gradually
4103	worked
4	natural
6819	selection
2115	distinct
1091	purpose
3282	instance
67471	landois
807	shown
742	wings
1699	insects
946	developed
61354	trachea
834	therefore
2089	highly
855	probable
790	great
3195	class
1589	organs
6266	served
22416	respiration
2765	actually
5392	converted
1589	organs
1644	flight
57315	transitions
1589	organs
1969	bear
2443	mind
2219	probability
11451	conversion
5970	function
13	give
3282	instance
60292	pedunculated
67337	cirripedes
673	minute
2300	folds
2298	skin
661	called
67472	ovigerous
67473	frena
5879	serve
553	means
654	sticky
3574	secretion
3695	retain
753	eggs
991	hatched
3259	sack
67337	cirripedes
67467	branchiae
935	surface
739	body
3259	sack
67473	frena
1873	serving
22416	respiration
67474	balanidae
61427	sessile
67337	cirripedes
418	hand
67472	ovigerous
67473	frena
753	eggs
3315	lying
1654	loose
671	bottom
3259	sack
3670	enclosed
730	relative
1464	position
67473	frena
3934	folded
3575	membranes
2526	freely
10129	communicate
31410	circulatory
67475	lacunae
3259	sack
739	body
2092	considered
415	naturalists
1178	act
67467	branchiae
1260	think
2226	dispute
67472	ovigerous
67473	frena
1161	family
6020	strictly
27996	homologous
67467	branchiae
1161	family
815	indeed
25304	graduate
834	therefore
1560	doubted
2300	folds
2298	skin
6818	originally
6266	served
67472	ovigerous
67473	frena
1495	slightly
7820	aided
1178	act
22416	respiration
945	gradually
5392	converted
4	natural
6819	selection
67467	branchiae
911	simply
2764	increase
885	size
46754	obliteration
41377	adhesive
7171	glands
60292	pedunculated
67337	cirripedes
644	become
3469	extinct
10194	suffered
20063	extinction
61427	sessile
67337	cirripedes
1548	imagined
67467	branchiae
2330	latter
1161	family
6818	originally
5061	existed
1589	organs
3102	preventing
67476	ova
666	washed
3259	sack
1241	mode
6008	transition
7117	namely
21522	acceleration
22584	retardation
2772	period
19069	reproduction
2359	lately
455	insisted
200	professor
12894	cope
1025	others
124	united
125	states
664	known
293	animals
1822	capable
19069	reproduction
1829	age
1601	acquired
947	perfect
7165	characters
1627	power
4676	became
4182	thoroughly
946	developed
1330	species
1193	seems
855	probable
1825	adult
2798	stage
955	development
1383	sooner
465	lost
2331	case
1731	especially
3639	larva
7649	differed
3331	mature
838	form
35	character
1330	species
1414	greatly
1086	changed
12319	degraded
293	animals
7569	arriving
2760	maturity
1824	go
2615	changing
35	character
813	nearly
1002	lives
1572	mammals
3282	instance
838	form
2183	skull
5754	altered
1829	age
1355	dr
65558	murie
1510	given
1889	striking
2746	instances
17031	seals
965	knows
16654	horns
58571	stags
644	become
13295	branched
3345	plumes
294	birds
644	become
19985	finely
946	developed
881	grow
8388	older
200	professor
12894	cope
125	states
1225	teeth
2812	lizards
889	change
830	shape
6175	advancing
436	years
3728	crustaceans
12073	trivial
748	parts
1563	assume
35	character
5396	recorded
31999	fritz
27889	muller
2760	maturity
2643	cases
1510	given
1829	age
19069	reproduction
13492	retarded
35	character
1330	species
1825	adult
1032	state
6124	modified
5622	improbable
5254	previous
1297	earlier
3429	stages
955	development
2643	cases
4138	hurried
4184	finally
465	lost
1330	species
6124	modified
1062	comparatively
2079	sudden
1241	mode
6008	transition
838	form
6702	opinion
7767	occurred
855	probable
2147	differences
21	young
3331	mature
3331	mature
359	old
67477	primordially
1601	acquired
6919	graduated
3175	steps
1276	difficulties
6055	theory
4	natural
6819	selection
2232	extremely
13102	cautious
14524	concluding
1412	organ
40	produced
3697	successive
18118	transitional
10254	gradations
2825	undoubtedly
576	serious
2643	cases
2125	difficulty
1798	occur
576	serious
6809	neuter
1699	insects
5583	differently
4580	constructed
1806	males
7902	fertile
1710	females
2331	case
5947	treated
2851	chapter
15267	electric
1589	organs
295	fishes
2160	offer
2331	case
2125	difficulty
1579	impossible
6597	conceive
3175	steps
20080	wondrous
1589	organs
40	produced
3166	surprising
420	know
7	use
67478	gymnotus
35499	torpedo
3896	doubt
5879	serve
1439	powerful
553	means
2084	defence
6875	securing
332	prey
8360	ray
2202	observed
67479	matteucci
3285	analogous
1412	organ
3136	tail
4419	manifests
17489	electricity
67	animal
1414	greatly
1687	irritated
2709	hardly
7	use
1045	purposes
932	moreover
8360	ray
1412	organ
2272	referred
1355	dr
67480	mcdonnell
807	shown
1412	organ
747	head
664	known
25790	electrical
851	appears
67481	homologue
15267	electric
16285	battery
35499	torpedo
1538	generally
1301	admitted
3419	exists
1589	organs
1264	ordinary
2184	muscle
2239	analogy
11519	intimate
679	structure
2622	distribution
5712	nerves
1296	manner
5751	acted
6	various
53141	reagents
1731	especially
2202	observed
5790	muscular
7992	contraction
891	accompanied
25790	electrical
6979	discharge
1355	dr
20233	radcliffe
24349	insists
25790	electrical
3560	apparatus
35499	torpedo
1994	rest
1125	seem
2944	charge
968	respect
1808	met
2184	muscle
3555	nerve
1994	rest
6979	discharge
35499	torpedo
2785	instead
1567	peculiar
838	form
6979	discharge
16997	attends
469	action
2184	muscle
7004	motor
3555	nerve
1824	go
6958	explanation
420	know
5036	uses
1589	organs
420	know
1240	habits
679	structure
18252	progenitors
1138	existing
15267	electric
295	fishes
2232	extremely
4091	bold
1837	maintain
7438	serviceable
57315	transitions
1589	organs
945	gradually
946	developed
1589	organs
860	appear
2160	offer
576	serious
2125	difficulty
1798	occur
1329	dozen
2013	kinds
355	fish
2585	widely
4174	remote
43973	affinities
1412	organ
670	found
2376	members
3195	class
1731	especially
2376	members
1240	habits
74	life
1538	generally
7016	attribute
2287	presence
1200	inheritance
733	common
8288	ancestor
4815	absence
2376	members
6045	loss
10544	disuse
4	natural
6819	selection
15267	electric
1589	organs
6959	inherited
4347	ancient
18262	progenitor
2896	expected
15267	electric
295	fishes
2204	specially
592	related
2331	case
38061	geology
4066	lead
5542	belief
295	fishes
2647	formerly
1393	possessed
15267	electric
1589	organs
6124	modified
8275	descendants
465	lost
1851	look
427	subject
796	closely
540	find
295	fishes
15267	electric
1589	organs
1901	situated
748	parts
739	body
994	differ
2354	construction
2496	arrangement
5931	plates
1123	according
67482	pacini
648	process
553	means
17489	electricity
4725	excited
5177	lastly
910	supplied
5712	nerves
4183	proceeding
2274	sources
2147	differences
2289	hence
295	fishes
4975	furnished
15267	electric
1589	organs
2092	considered
27996	homologous
3285	analogous
5970	function
5341	consequently
1765	reason
2309	suppose
6959	inherited
733	common
18262	progenitor
2331	case
796	closely
2209	resembled
845	respects
659	thus
2125	difficulty
1412	organ
2022	apparently
3262	arising
11673	remotely
797	allied
1330	species
4629	disappears
3428	leaving
7536	lesser
790	great
2125	difficulty
7117	namely
6919	graduated
3175	steps
1589	organs
946	developed
929	separate
2846	group
295	fishes
13271	luminous
1589	organs
1798	occur
1699	insects
5238	belonging
2585	widely
2718	families
1901	situated
748	parts
739	body
2160	offer
1032	state
9899	ignorance
2125	difficulty
2153	exactly
5987	parallel
15267	electric
1589	organs
706	similar
2643	cases
1510	given
3282	instance
447	plants
1918	curious
28665	contrivance
119	mass
5829	pollen
619	grains
2442	borne
1482	foot
6463	stalk
41377	adhesive
60264	gland
2022	apparently
66346	orchis
4851	asclepias
6233	genera
4174	remote
17619	flowering
447	plants
748	parts
27996	homologous
2643	cases
1021	beings
4308	removed
1028	scale
12920	organisation
4975	furnished
706	similar
1567	peculiar
1589	organs
670	found
915	general
1615	appearance
5970	function
1589	organs
998	fundamental
2147	differences
2285	detected
3282	instance
1740	eyes
46551	cephalopods
354	cuttle
355	fish
2748	vertebrate
293	animals
860	appear
6376	wonderfully
2154	alike
2585	widely
33444	sundered
2830	groups
839	part
7383	resemblance
384	due
1200	inheritance
733	common
18262	progenitor
390	mr
7532	mivart
2738	advanced
2331	case
2125	difficulty
2630	unable
486	see
2245	force
2247	argument
1412	organ
2097	vision
981	formed
1166	transparent
12971	tissue
6991	include
802	sort
7703	lens
1972	throwing
6951	image
11913	darkened
4059	chamber
7670	superficial
7383	resemblance
2709	hardly
2460	similarity
1740	eyes
354	cuttle
355	fish
2750	vertebrates
417	seen
11473	consulting
7769	hensen
4417	admirable
41558	memoir
1589	organs
67483	cephalopoda
1579	impossible
874	enter
6559	details
48457	specify
2438	points
2178	difference
41087	crystalline
7703	lens
1027	higher
354	cuttle
355	fish
608	consists
748	parts
750	placed
35097	lenses
679	structure
1198	disposition
1787	occurs
7204	vertebrata
49387	retina
716	wholly
5274	actual
13594	inversion
37308	elemental
748	parts
3558	nervous
6321	ganglion
16	included
3575	membranes
1315	eye
501	relations
2132	muscles
6597	conceive
2438	points
2289	hence
1242	difficult
2455	decide
14	terms
5601	employed
1449	describing
1740	eyes
67483	cephalopoda
7204	vertebrata
954	course
11398	deny
1315	eye
2331	case
946	developed
4	natural
6819	selection
3697	successive
972	slight
6816	variations
1301	admitted
2331	case
2751	clearly
998	fundamental
2147	differences
679	structure
3559	visual
1589	organs
2830	groups
16175	anticipated
7448	accordance
4991	view
1296	manner
7639	formation
276	men
3421	independently
3368	hit
10776	invention
5213	foregoing
2643	cases
851	appears
4	natural
6819	selection
4814	working
1205	good
900	taking
3092	advantage
14207	favourable
6816	variations
40	produced
706	similar
1589	organs
5970	function
6076	concerned
2115	distinct
21627	organic
1021	beings
8693	owe
679	structure
733	common
1200	inheritance
733	common
18262	progenitor
31999	fritz
27889	muller
534	order
2710	test
1262	conclusions
7319	arrived
24	volume
1189	followed
1237	care
813	nearly
706	similar
3915	line
2247	argument
2718	families
3728	crustaceans
6991	include
1330	species
4095	possessing
821	air
1044	breathing
3560	apparatus
979	fitted
1653	live
635	water
2718	families
1731	especially
675	examined
27889	muller
813	nearly
592	related
1330	species
993	agree
796	closely
7165	characters
7117	namely
2096	sense
1589	organs
41448	circulating
9586	systems
1464	position
4744	tufts
1821	hair
6319	complex
5255	stomachs
5177	lastly
679	structure
635	water
1044	breathing
67467	branchiae
21702	microscopical
7374	hooks
24596	cleansed
2289	hence
2896	expected
1330	species
5238	belonging
2718	families
1653	live
274	land
3209	equally
821	air
1044	breathing
3560	apparatus
876	why
3560	apparatus
1510	given
1091	purpose
413	made
994	differ
1589	organs
796	closely
706	similar
997	identical
31999	fritz
27889	muller
6817	argues
2460	similarity
2438	points
679	structure
7448	accordance
14503	views
2738	advanced
7523	accounted
1200	inheritance
733	common
18262	progenitor
1434	vast
3596	majority
1330	species
2718	families
3728	crustaceans
3298	aquatic
1240	habits
5622	improbable
2041	highest
2069	degree
733	common
18262	progenitor
4233	adapted
1044	breathing
821	air
27889	muller
659	thus
441	led
1214	carefully
2150	examine
3560	apparatus
821	air
1044	breathing
1330	species
670	found
994	differ
2438	points
1464	position
37881	orifices
1296	manner
2586	opened
6283	closed
46107	accessory
6559	details
2147	differences
11717	intelligible
2896	expected
6841	supposition
1330	species
5238	belonging
2115	distinct
2718	families
1833	slowly
644	become
4233	adapted
1653	live
635	water
1069	breathe
821	air
1330	species
5238	belonging
2115	distinct
2718	families
7649	differed
1341	extent
7448	accordance
1151	principle
439	nature
2174	variation
5261	depends
6977	factors
5294	viz
439	nature
22183	organism
4147	surrounding
539	conditions
2122	variability
10576	assuredly
2153	exactly
5341	consequently
4	natural
6819	selection
917	materials
6816	variations
558	work
534	order
1826	arrive
22339	functional
1363	result
4560	structures
659	thus
1601	acquired
5327	necessarily
7649	differed
26614	hypothesis
929	separate
2684	acts
6824	creation
2331	case
525	remains
6192	unintelligible
3915	line
2247	argument
1193	seems
790	great
1973	weight
4633	leading
31999	fritz
27889	muller
9384	accept
14503	views
6896	maintained
24	volume
2971	distinguished
43035	zoologist
1927	late
200	professor
67484	claparede
8437	argued
1296	manner
7319	arrived
1363	result
2201	shows
1885	parasitic
67485	mites
67486	acaridae
5238	belonging
2115	distinct
7271	sub
2718	families
2718	families
4975	furnished
1821	hair
67487	claspers
1589	organs
3421	independently
946	developed
6959	inherited
733	common
18262	progenitor
2830	groups
981	formed
973	modification
7181	fore
743	legs
1532	hind
743	legs
65252	maxillae
2049	lips
3732	appendages
1503	side
1532	hind
839	part
739	body
5213	foregoing
2643	cases
486	see
612	end
4874	gained
5970	function
1146	performed
1021	beings
11673	remotely
797	allied
1589	organs
1615	appearance
955	development
796	closely
706	similar
418	hand
733	common
426	rule
439	nature
612	end
4874	gained
2331	case
796	closely
592	related
1021	beings
8525	diversified
553	means
5583	differently
4580	constructed
5166	feathered
3875	wing
321	bird
3588	membrane
740	covered
3875	wing
407	bat
742	wings
3925	butterfly
742	wings
962	fly
742	wings
8757	elytra
3758	beetle
67488	bivalve
488	shells
413	made
7513	shut
2554	number
8704	patterns
7207	hinge
4580	constructed
5702	row
3021	neatly
67489	interlocking
1225	teeth
67490	nucula
515	simple
60799	ligament
58770	mussel
620	seeds
21575	disseminated
22424	minuteness
46013	capsule
5392	converted
3104	light
1054	balloon
8373	envelope
7813	embedded
2388	pulp
779	flesh
981	formed
19760	diverse
748	parts
655	rendered
3812	nutritious
8332	conspicuously
3288	coloured
1732	attract
975	devoured
294	birds
7374	hooks
67491	grapnels
2013	kinds
47332	serrated
67492	awns
21377	adhere
7282	fur
7260	quadrupeds
4975	furnished
742	wings
3345	plumes
830	shape
7070	elegant
679	structure
48748	wafted
7924	breeze
13	give
3282	instance
427	subject
612	end
4874	gained
8525	diversified
553	means
12956	deserves
1663	attention
17166	authors
1837	maintain
21627	organic
1021	beings
981	formed
446	ways
7353	sake
2116	mere
4463	variety
14787	toys
8945	shop
4991	view
439	nature
16114	incredible
447	plants
942	separated
4342	sexes
67323	hermaphrodites
5829	pollen
26088	spontaneously
776	fall
49180	stigma
3277	aid
485	necessary
67285	fertilisation
2013	kinds
1531	effected
5829	pollen
619	grains
3104	light
38791	incoherent
8021	blown
7640	wind
2116	mere
2717	chance
49180	stigma
6980	simplest
3365	plan
6927	conceived
3209	equally
515	simple
3365	plan
1787	occurs
447	plants
14984	symmetrical
939	flower
66812	secretes
4557	drops
5827	nectar
5341	consequently
2641	visited
1699	insects
1711	carry
5829	pollen
21228	anthers
49180	stigma
515	simple
2798	stage
587	pass
33869	inexhaustible
2554	number
11550	contrivances
1091	purpose
1531	effected
484	essentially
1296	manner
36074	entailing
952	changes
839	part
939	flower
5827	nectar
4032	stored
7994	variously
3803	shaped
24292	receptacles
5851	stamens
21233	pistils
6124	modified
446	ways
763	forming
8667	trap
11550	contrivances
1822	capable
3021	neatly
4233	adapted
1574	movements
22446	irritability
1555	elasticity
4560	structures
2814	advance
1070	come
2331	case
6094	extraordinary
6997	adaptation
2359	lately
2395	described
1355	dr
24892	cruger
67493	coryanthes
67494	orchid
839	part
67495	labellum
1879	lower
2099	lip
27950	hollowed
790	great
14748	bucket
4557	drops
719	pure
635	water
4865	continually
776	fall
2866	secreting
16654	horns
513	stand
14748	bucket
1328	half
498	full
635	water
53604	overflows
24384	spout
1503	side
46183	basal
839	part
67495	labellum
1310	stands
14748	bucket
27950	hollowed
802	sort
4059	chamber
2127	lateral
6450	entrances
4059	chamber
1918	curious
5776	fleshy
2130	ridges
3364	ingenious
303	man
2672	witnessed
878	takes
1216	place
1548	imagined
1091	purpose
748	parts
5879	serve
1355	dr
24892	cruger
338	saw
6096	crowds
5519	humble
5346	bees
4859	visiting
2752	gigantic
588	flowers
67494	orchid
534	order
5838	suck
5827	nectar
53236	gnaw
2130	ridges
4059	chamber
14748	bucket
1365	frequently
5704	pushed
14748	bucket
742	wings
659	thus
12979	wetted
962	fly
7373	compelled
3571	crawl
1658	passage
981	formed
24384	spout
40987	overflow
1355	dr
24892	cruger
338	saw
4080	continual
9663	procession
5346	bees
659	thus
3546	crawling
10142	involuntary
368	bath
1658	passage
1005	narrow
6695	roofed
5835	column
3942	bee
12990	forcing
3415	rubs
45533	viscid
49180	stigma
45533	viscid
7171	glands
5829	pollen
2795	masses
5829	pollen
2795	masses
659	thus
8635	glued
3942	bee
3244	happens
3571	crawl
1658	passage
2359	lately
1954	expanded
939	flower
659	thus
3238	carried
1355	dr
24892	cruger
4834	sent
939	flower
8274	spirits
9594	wine
3942	bee
2031	killed
7128	crawled
5829	pollen
119	mass
1078	fastened
3942	bee
659	thus
738	flies
939	flower
939	flower
607	time
5704	pushed
5019	comrades
14748	bucket
37357	crawls
1658	passage
5829	pollen
119	mass
5327	necessarily
2637	comes
1211	contact
45533	viscid
49180	stigma
41486	adheres
939	flower
52274	fertilised
486	see
498	full
7	use
839	part
939	flower
635	water
2866	secreting
16654	horns
14748	bucket
1328	half
498	full
635	water
5903	prevents
5346	bees
1571	flying
5484	forces
3571	crawl
24384	spout
4115	rub
1913	properly
750	placed
45533	viscid
5829	pollen
2795	masses
45533	viscid
49180	stigma
2354	construction
939	flower
796	closely
797	allied
67494	orchid
7117	namely
67496	catasetum
2585	widely
1873	serving
612	end
3209	equally
1918	curious
5346	bees
1279	visit
588	flowers
67493	coryanthes
534	order
53236	gnaw
67495	labellum
6009	inevitably
503	touch
7211	tapering
3529	sensitive
2157	projection
661	called
67497	antenna
67497	antenna
5705	touched
41859	transmits
10948	sensation
42009	vibration
3588	membrane
46219	ruptured
773	sets
2000	free
879	spring
5829	pollen
119	mass
1164	shot
1144	forth
7980	arrow
2073	direction
41486	adheres
45533	viscid
7212	extremity
3942	bee
5829	pollen
119	mass
1183	male
621	plant
4342	sexes
929	separate
67494	orchid
659	thus
3238	carried
939	flower
1688	female
621	plant
1565	where
2657	brought
1211	contact
49180	stigma
45533	viscid
755	break
5579	elastic
3011	threads
3695	retain
5829	pollen
659	thus
21911	effecting
67285	fertilisation
8041	asked
5213	foregoing
602	innumerable
2746	instances
5860	understand
6919	graduated
1028	scale
7049	complexity
6763	multifarious
553	means
3090	gaining
612	end
579	answer
3896	doubt
6129	remarked
2162	forms
847	vary
994	differ
972	slight
2069	degree
2122	variability
4734	exact
439	nature
5341	consequently
5065	results
660	obtained
4	natural
6819	selection
915	general
1091	purpose
1969	bear
2443	mind
2089	highly
946	developed
22183	organism
2076	passed
952	changes
6124	modified
679	structure
580	tends
6959	inherited
973	modification
1443	readily
465	lost
1012	further
5754	altered
2289	hence
679	structure
839	part
1330	species
1091	purpose
5879	serve
12222	sum
6959	inherited
952	changes
1330	species
2076	passed
3697	successive
7024	adaptations
1086	changed
1240	habits
539	conditions
74	life
4184	finally
2643	cases
1242	difficult
18602	conjecture
57315	transitions
1589	organs
7319	arrived
1032	state
537	proportion
664	known
2162	forms
3469	extinct
1191	unknown
3203	astonished
1373	rarely
1412	organ
7312	named
18118	transitional
3499	grade
664	known
4066	lead
1438	certainly
1589	organs
4475	appearing
2826	created
1091	purpose
1373	rarely
860	appear
815	indeed
807	shown
359	old
1026	somewhat
6684	exaggerated
8321	canon
4	natural
5	history
67147	natura
8682	non
56862	facit
67148	saltum
2188	meet
11465	admission
414	writings
17314	experienced
192	naturalist
45135	milne
19525	edwards
6814	expressed
439	nature
38751	prodigal
4463	variety
28099	niggard
33123	innovation
876	why
6055	theory
6824	creation
4463	variety
12745	novelty
876	why
748	parts
1589	organs
1558	independent
1021	beings
4480	supposed
2242	separately
2826	created
514	proper
1216	place
439	nature
1561	commonly
9410	linked
6919	graduated
3175	steps
876	why
439	nature
953	take
2079	sudden
1109	leap
679	structure
679	structure
6055	theory
4	natural
6819	selection
2751	clearly
5860	understand
876	why
4	natural
6819	selection
2684	acts
900	taking
3092	advantage
972	slight
3697	successive
6816	variations
953	take
790	great
2079	sudden
1109	leap
2814	advance
1818	slow
3175	steps
1589	organs
2745	apparent
795	importance
5522	affected
4	natural
6819	selection
4	natural
6819	selection
2684	acts
74	life
2058	death
33005	survival
35457	fittest
3894	destruction
979	fitted
2142	individuals
2452	felt
790	great
2125	difficulty
6479	understanding
2474	origin
7639	formation
748	parts
795	importance
790	great
958	kind
2331	case
947	perfect
6319	complex
1589	organs
1216	place
6728	ignorant
6812	regard
2876	economy
21627	organic
548	say
972	slight
8343	modifications
795	importance
116	former
2851	chapter
1510	given
2746	instances
6280	trifling
7165	characters
589	fruit
9916	colour
779	flesh
9916	colour
2298	skin
1821	hair
7260	quadrupeds
67141	correlated
32094	constitutional
2147	differences
4501	determining
3112	attacks
1699	insects
10576	assuredly
5751	acted
4	natural
6819	selection
3136	tail
43977	giraffe
3241	looks
11728	artificially
4580	constructed
962	fly
17030	flapper
1193	seems
16114	incredible
4233	adapted
1091	purpose
3697	successive
972	slight
8343	modifications
979	fitted
6280	trifling
1661	object
3153	drive
738	flies
4282	pause
5328	positive
2331	case
420	know
2622	distribution
844	existence
4989	cattle
293	animals
2627	south
1254	america
3126	absolutely
5107	depend
1627	power
21014	resisting
3112	attacks
1699	insects
2142	individuals
553	means
2034	defend
2029	enemies
1172	able
443	range
5227	pastures
659	thus
5062	gain
790	great
3092	advantage
712	larger
7260	quadrupeds
2765	actually
2797	destroyed
1875	rare
2643	cases
738	flies
959	incessantly
15216	harassed
1431	strength
2839	reduced
427	subject
5306	disease
3358	enabled
2943	coming
22299	dearth
3019	search
966	food
1157	escape
7127	beasts
332	prey
1589	organs
6280	trifling
795	importance
2643	cases
795	importance
18262	progenitor
1833	slowly
1058	perfected
116	former
2772	period
7954	transmitted
1138	existing
1330	species
813	nearly
1032	state
972	slight
7	use
2765	actually
3892	injurious
28622	deviations
679	structure
954	course
2757	checked
4	natural
6819	selection
1751	seeing
1412	organ
1590	locomotion
3136	tail
3298	aquatic
293	animals
915	general
2287	presence
7	use
1045	purposes
274	land
293	animals
1037	lungs
6124	modified
1110	swim
58833	bladders
8980	betray
3298	aquatic
2474	origin
659	thus
7523	accounted
946	developed
3136	tail
981	formed
3298	aquatic
67	animal
7669	subsequently
1070	come
4103	worked
2933	sorts
1045	purposes
962	fly
17030	flapper
1412	organ
67498	prehension
3277	aid
5070	turning
2331	case
2093	dog
3277	aid
2330	latter
968	respect
972	slight
8335	hare
2709	hardly
3136	tail
2169	double
2593	quickly
1216	place
941	easily
33256	err
27195	attributing
795	importance
7165	characters
1321	believing
946	developed
4	natural
6819	selection
553	means
15594	overlook
17321	effects
893	definite
469	action
1086	changed
539	conditions
74	life
661	called
3519	spontaneous
6816	variations
1125	seem
5107	depend
23757	subordinate
2069	degree
439	nature
539	conditions
2424	tendency
3205	reversion
465	lost
7165	characters
6319	complex
509	laws
298	growth
67173	correlation
7050	comprehension
6070	pressure
839	part
197	etc
4184	finally
8601	sexual
6819	selection
7165	characters
7	use
2553	sex
4874	gained
7954	transmitted
1323	perfectly
2553	sex
7	use
2553	sex
4560	structures
659	thus
5293	indirectly
4874	gained
3092	advantage
1330	species
7669	subsequently
976	taken
3092	advantage
6124	modified
8275	descendants
539	conditions
74	life
10727	newly
1601	acquired
1240	habits
880	green
3709	woodpeckers
5061	existed
420	know
410	black
36541	pied
2013	kinds
548	say
1672	thought
880	green
9916	colour
541	beautiful
6997	adaptation
4321	conceal
492	tree
19814	frequenting
321	bird
2029	enemies
5341	consequently
35	character
795	importance
1601	acquired
4	natural
6819	selection
9916	colour
86	chief
839	part
384	due
8601	sexual
6819	selection
14451	trailing
2389	palm
9308	malay
1362	archipelago
1862	climbs
11653	loftiest
1377	trees
3277	aid
2918	exquisitely
4580	constructed
7374	hooks
9055	clustered
610	ends
1543	branches
28665	contrivance
3896	doubt
2041	highest
5228	service
621	plant
486	see
813	nearly
706	similar
7374	hooks
1377	trees
2308	climbers
1765	reason
5363	believe
2622	distribution
5450	thorn
3297	bearing
1330	species
1270	africa
2627	south
1254	america
5879	serve
2084	defence
50664	browsing
7260	quadrupeds
10838	spikes
2389	palm
946	developed
1661	object
7669	subsequently
7729	improved
976	taken
3092	advantage
621	plant
14350	underwent
1012	further
973	modification
4676	became
4355	climber
2515	naked
2298	skin
747	head
5300	vulture
1538	generally
2092	considered
1304	direct
6997	adaptation
67499	wallowing
67500	putridity
3333	possibly
384	due
1304	direct
469	action
5137	putrid
428	matter
13102	cautious
1929	drawing
14030	inference
486	see
2298	skin
747	head
4261	clean
964	feeding
1183	male
4366	turkey
2515	naked
60468	sutures
2181	skulls
21	young
1572	mammals
2738	advanced
541	beautiful
6997	adaptation
22607	aiding
61449	parturition
3896	doubt
14521	facilitate
4439	indispensable
1178	act
60468	sutures
1798	occur
2181	skulls
21	young
294	birds
2813	reptiles
1157	escape
1673	broken
683	egg
8474	infer
679	structure
8662	arisen
509	laws
298	growth
976	taken
3092	advantage
61449	parturition
1027	higher
293	animals
12761	profoundly
6728	ignorant
3893	cause
972	slight
2174	variation
2143	individual
2178	difference
413	made
6727	conscious
11122	reflecting
2147	differences
5047	breeds
2017	domesticated
293	animals
7142	countries
1731	especially
3496	civilized
7142	countries
1565	where
3964	methodical
6819	selection
293	animals
984	kept
3493	savages
7142	countries
3075	struggle
3171	subsistence
4079	exposed
1341	extent
4	natural
6819	selection
2142	individuals
1495	slightly
22292	constitutions
2415	succeed
21201	climates
4989	cattle
12753	susceptibility
3112	attacks
738	flies
67141	correlated
9916	colour
9475	liability
7594	poisoned
447	plants
9916	colour
659	thus
6664	subjected
469	action
4	natural
6819	selection
1389	observers
8773	convinced
3785	damp
4168	climate
6037	affects
298	growth
1821	hair
1821	hair
16654	horns
67141	correlated
4464	mountain
5047	breeds
994	differ
21223	lowland
5047	breeds
2649	mountainous
1093	country
1959	affect
1532	hind
1533	limbs
15312	exercising
3333	possibly
838	form
1951	pelvis
3174	law
27996	homologous
2174	variation
4925	front
1533	limbs
747	head
5522	affected
830	shape
1951	pelvis
1959	affect
6070	pressure
830	shape
748	parts
21	young
37893	womb
3132	laborious
1044	breathing
485	necessary
1282	regions
580	tends
1205	good
1765	reason
5363	believe
2764	increase
885	size
2535	chest
67173	correlation
1070	come
5809	play
17321	effects
10861	lessened
1766	exercise
1100	abundant
966	food
12920	organisation
7757	von
67501	nathusius
2359	lately
807	shown
1447	excellent
18410	treatise
2022	apparently
86	chief
3893	cause
790	great
973	modification
5047	breeds
48007	swine
3668	undergone
6728	ignorant
6898	speculate
730	relative
795	importance
664	known
1191	unknown
6065	causes
2174	variation
413	made
2086	remarks
1725	show
2630	unable
1089	account
906	characteristic
2147	differences
2897	domestic
5047	breeds
1538	generally
1301	admitted
8662	arisen
1264	ordinary
1246	generation
2955	parent
21025	stocks
1090	lay
10220	stress
9899	ignorance
4478	precise
3893	cause
972	slight
3285	analogous
2147	differences
1330	species
24623	utilitarian
14371	doctrine
3920	beauty
1601	acquired
5213	foregoing
2086	remarks
4066	lead
548	say
523	words
7613	protest
2359	lately
413	made
415	naturalists
24623	utilitarian
14371	doctrine
3239	detail
679	structure
40	produced
1205	good
3389	possessor
5363	believe
4560	structures
2826	created
7353	sake
3920	beauty
569	delight
303	man
9981	creator
2330	latter
223	point
21438	scope
3426	scientific
8698	discussion
7353	sake
2116	mere
4463	variety
4991	view
11363	discussed
13405	doctrines
3126	absolutely
2413	fatal
6055	theory
2536	fully
5314	admit
4560	structures
1304	direct
7	use
33855	possessors
7	use
18252	progenitors
2182	prove
981	formed
5258	solely
3920	beauty
4463	variety
3896	doubt
893	definite
469	action
1086	changed
539	conditions
6	various
6065	causes
8343	modifications
2359	lately
9427	specified
40	produced
5087	effect
790	great
5087	effect
3421	independently
3092	advantage
659	thus
4874	gained
5118	consideration
86	chief
839	part
12920	organisation
736	creature
384	due
1200	inheritance
5341	consequently
10576	assuredly
979	fitted
1216	place
439	nature
4560	structures
1304	direct
313	relation
1240	habits
74	life
659	thus
2709	hardly
5363	believe
8983	webbed
1346	feet
23145	upland
7840	goose
42334	frigate
321	bird
7	use
294	birds
5363	believe
706	similar
778	bones
1497	arm
21252	monkey
7181	fore
1481	leg
2870	horse
3875	wing
407	bat
67502	flipper
9273	seal
7	use
293	animals
1218	safely
7016	attribute
4560	structures
1200	inheritance
8983	webbed
1346	feet
3896	doubt
5124	useful
18262	progenitor
23145	upland
7840	goose
42334	frigate
321	bird
3298	aquatic
294	birds
5363	believe
18262	progenitor
9273	seal
1302	possess
67502	flipper
1482	foot
1992	toes
979	fitted
1513	walking
1649	grasping
1012	further
3257	venture
5363	believe
778	bones
1533	limbs
21252	monkey
2870	horse
407	bat
6818	originally
946	developed
1151	principle
6033	utility
21893	reduction
2552	numerous
778	bones
2929	fin
4347	ancient
355	fish
18262	progenitor
3195	class
4280	scarcely
2455	decide
7056	allowance
413	made
6065	causes
889	change
893	definite
469	action
2146	external
539	conditions
661	called
3519	spontaneous
6816	variations
6319	complex
509	laws
298	growth
3216	exceptions
4410	conclude
679	structure
736	creature
2647	formerly
1304	direct
8502	indirect
7	use
3389	possessor
968	respect
5542	belief
21627	organic
1021	beings
2826	created
541	beautiful
569	delight
303	man
5542	belief
10894	pronounced
34978	subversive
6055	theory
2447	remark
2096	sense
3920	beauty
7010	obviously
5261	depends
439	nature
2443	mind
36010	irrespective
11549	quality
14282	admired
1661	object
1581	idea
541	beautiful
27594	innate
44639	unalterable
486	see
3282	instance
276	men
2117	races
8076	admiring
781	entirely
1124	standard
3920	beauty
2566	women
541	beautiful
502	objects
2826	created
5258	solely
303	man
16186	gratification
807	shown
303	man
886	appeared
3920	beauty
401	face
64	earth
2576	came
2798	stage
541	beautiful
67503	volute
5890	cone
488	shells
9192	eocene
8131	epoch
4016	gracefully
12687	sculptured
44309	ammonites
16491	secondary
2772	period
2826	created
303	man
5050	ages
4367	afterwards
12833	admire
8518	cabinet
502	objects
541	beautiful
673	minute
41333	siliceous
2643	cases
67504	diatomaceae
2826	created
675	examined
14282	admired
1027	higher
508	powers
676	microscope
3920	beauty
2330	latter
2331	case
1025	others
2022	apparently
716	wholly
384	due
4797	symmetry
298	growth
588	flowers
1570	rank
541	beautiful
26943	productions
439	nature
655	rendered
2922	conspicuous
7738	contrast
880	green
586	leaves
1817	consequence
607	time
541	beautiful
941	easily
2202	observed
1699	insects
1070	come
6630	conclusion
480	finding
4300	invariable
426	rule
939	flower
52274	fertilised
7640	wind
8331	gaily
3288	coloured
17975	corolla
447	plants
1562	habitually
887	produce
2013	kinds
588	flowers
958	kind
3288	coloured
1732	attract
1699	insects
6283	closed
3288	coloured
4578	destitute
5827	nectar
2641	visited
1699	insects
2289	hence
4410	conclude
1699	insects
946	developed
401	face
64	earth
447	plants
15097	decked
541	beautiful
588	flowers
40	produced
3255	poor
588	flowers
486	see
8204	fir
4201	oak
2390	nut
19268	ash
1377	trees
4046	grasses
67505	spinach
17720	docks
53596	nettles
52274	fertilised
7200	agency
7640	wind
706	similar
3915	line
2247	argument
1853	holds
1205	good
2614	fruits
940	ripe
21280	strawberry
4125	cherry
5459	pleasing
1315	eye
7890	palate
8331	gaily
3288	coloured
589	fruit
7495	spindle
786	wood
492	tree
4213	scarlet
5438	berries
51424	holly
541	beautiful
502	objects
1301	admitted
3920	beauty
2002	serves
449	merely
6207	guide
294	birds
7127	beasts
534	order
589	fruit
975	devoured
21514	matured
620	seeds
21575	disseminated
8474	infer
2331	case
670	found
4318	exception
426	rule
620	seeds
659	thus
21575	disseminated
7813	embedded
589	fruit
958	kind
5776	fleshy
3396	pulpy
8373	envelope
3288	coloured
3024	brilliant
7281	tint
655	rendered
2922	conspicuous
411	white
410	black
418	hand
6987	willingly
5314	admit
790	great
2554	number
1183	male
293	animals
11619	gorgeous
294	birds
295	fishes
2813	reptiles
1572	mammals
8217	host
12223	magnificently
3288	coloured
3659	butterflies
655	rendered
541	beautiful
3920	beauty
7353	sake
1531	effected
8601	sexual
6819	selection
541	beautiful
1806	males
4865	continually
7563	preferred
1710	females
569	delight
303	man
3870	music
294	birds
8474	infer
813	nearly
706	similar
6286	taste
541	beautiful
3038	colours
1122	musical
1399	sounds
737	runs
839	part
67	animal
3725	kingdom
1688	female
5797	beautifully
3288	coloured
1183	male
1373	rarely
2331	case
294	birds
3659	butterflies
3893	cause
2022	apparently
468	lies
3038	colours
1601	acquired
8601	sexual
6819	selection
7954	transmitted
4342	sexes
2785	instead
1806	males
2096	sense
3920	beauty
6980	simplest
838	form
7435	reception
1567	peculiar
958	kind
4430	pleasure
3038	colours
2162	forms
1399	sounds
946	developed
2443	mind
303	man
1879	lower
293	animals
7734	obscure
427	subject
802	sort
2125	difficulty
2179	presented
67506	enquire
67507	flavours
12716	odours
13	give
4430	pleasure
1025	others
14463	displeasure
479	habit
2643	cases
851	appears
1070	come
1341	extent
5809	play
998	fundamental
3893	cause
1948	constitution
3558	nervous
4412	system
1330	species
4	natural
6819	selection
3333	possibly
887	produce
973	modification
1330	species
842	exclusively
1205	good
1330	species
439	nature
1330	species
959	incessantly
878	takes
3092	advantage
9432	profits
4560	structures
1025	others
4	natural
6819	selection
887	produce
4560	structures
1304	direct
1958	injury
293	animals
486	see
51615	fang
2862	adder
67508	ovipositor
8690	ichneumon
753	eggs
680	deposited
718	bodies
1699	insects
2412	proved
839	part
679	structure
1330	species
981	formed
6993	exclusive
1205	good
1330	species
18291	annihilate
6055	theory
40	produced
4	natural
6819	selection
1780	statements
670	found
918	works
4	natural
5	history
5087	effect
540	find
1193	seems
1973	weight
1301	admitted
15900	rattlesnake
6516	poison
51615	fang
2084	defence
3894	destruction
332	prey
17166	authors
2309	suppose
607	time
4975	furnished
9768	rattle
1958	injury
7117	namely
8504	warn
332	prey
5363	believe
3423	cat
3625	curls
612	end
3136	tail
4880	preparing
879	spring
534	order
8504	warn
7576	doomed
4746	mouse
855	probable
4991	view
15900	rattlesnake
5036	uses
9768	rattle
55662	cobra
23896	expands
12091	frill
13244	puff
2862	adder
14614	swells
3872	hissing
10234	loudly
13455	harshly
534	order
4139	alarm
294	birds
7127	beasts
664	known
2075	attack
3755	venomous
1330	species
347	snakes
1178	act
1151	principle
1961	makes
751	hen
11870	ruffle
741	feathers
23461	expand
742	wings
2093	dog
2594	approaches
2856	chickens
1057	space
28088	enlarge
446	ways
293	animals
11384	endeavour
6164	frighten
2029	enemies
4	natural
6819	selection
887	produce
679	structure
3892	injurious
3880	beneficial
4	natural
6819	selection
2684	acts
5258	solely
1205	good
1412	organ
981	formed
67509	paley
6129	remarked
1091	purpose
6871	causing
7325	pain
1958	injury
3389	possessor
2980	fair
1492	balance
6185	struck
1205	good
5077	evil
4377	caused
839	part
670	found
6869	advantageous
6735	lapse
607	time
2615	changing
539	conditions
74	life
839	part
2637	comes
3892	injurious
6124	modified
644	become
3469	extinct
3613	myriads
644	become
3469	extinct
4	natural
6819	selection
580	tends
473	make
21627	organic
947	perfect
1495	slightly
947	perfect
6224	inhabitants
1093	country
2637	comes
17513	competition
486	see
1124	standard
6148	perfection
1603	attained
439	nature
42590	endemic
26943	productions
7756	zealand
3282	instance
947	perfect
894	compared
3170	rapidly
850	yielding
6175	advancing
32532	legions
447	plants
293	animals
6389	introduced
7317	europe
4	natural
6819	selection
887	produce
491	absolute
6148	perfection
2188	meet
5210	judge
1124	standard
439	nature
11964	correction
54458	aberration
3104	light
867	said
27889	muller
947	perfect
947	perfect
1412	organ
2019	human
1315	eye
63160	helmholtz
6701	judgment
2226	dispute
1449	describing
2186	strongest
14	terms
327	wonderful
508	powers
2019	human
1315	eye
2569	adds
841	remarkable
523	words
2396	discovered
57090	inexactness
37840	imperfection
38034	optical
7014	machine
6951	image
49387	retina
2675	comparison
67510	incongruities
1070	come
7066	domain
7030	sensations
548	say
439	nature
976	taken
569	delight
13452	accumulating
33733	contradictions
534	order
6159	remove
853	foundation
6055	theory
1539	pre
1138	existing
14696	harmony
2146	external
3013	internal
15061	worlds
1765	reason
1013	leads
12833	admire
556	enthusiasm
617	multitude
28267	inimitable
11550	contrivances
439	nature
1765	reason
3091	tells
941	easily
33256	err
584	sides
11550	contrivances
947	perfect
5191	consider
6323	sting
3942	bee
947	perfect
2013	kinds
2029	enemies
3263	withdrawn
3357	owing
2505	backward
67511	serratures
659	thus
6009	inevitably
6065	causes
2058	death
1083	insect
4853	tearing
2667	viscera
1851	look
6323	sting
3942	bee
5061	existed
4174	remote
18262	progenitor
3653	boring
47332	serrated
3869	instrument
2376	members
790	great
534	order
6124	modified
1058	perfected
1091	purpose
6516	poison
6818	originally
4233	adapted
1661	object
887	produce
67512	galls
13636	intensified
5860	understand
7	use
6323	sting
3893	cause
1083	insect
2058	death
1627	power
6234	stinging
5124	useful
4311	social
2562	community
41649	fulfil
9407	requirements
4	natural
6819	selection
3893	cause
2058	death
2376	members
12833	admire
3138	truly
327	wonderful
1627	power
8481	scent
1806	males
1699	insects
540	find
1710	females
12833	admire
9506	production
2168	single
1091	purpose
2714	thousands
5347	drones
10231	utterly
5281	useless
2562	community
1091	purpose
7745	ultimately
33367	slaughtered
6226	industrious
32691	sterile
11034	sisters
1242	difficult
12833	admire
2271	savage
6191	instinctive
14284	hatred
231	queen
3942	bee
32215	urges
2244	destroy
21	young
6800	queens
1196	daughters
1140	born
4974	perish
15405	combat
2825	undoubtedly
1205	good
2562	community
1229	maternal
557	love
1229	maternal
14284	hatred
2330	latter
6183	fortunately
1875	rare
3172	inexorable
7546	principles
4	natural
6819	selection
12833	admire
3364	ingenious
11550	contrivances
1886	orchids
447	plants
52274	fertilised
1083	insect
7200	agency
5191	consider
3209	equally
947	perfect
16541	elaboration
1267	dense
7986	clouds
5829	pollen
8204	fir
1377	trees
23517	granules
48748	wafted
2717	chance
21393	ovules
22545	summary
3174	law
25249	unity
2713	type
539	conditions
844	existence
7711	embraced
6055	theory
4	natural
6819	selection
2851	chapter
11363	discussed
1276	difficulties
23735	objections
1504	urged
6055	theory
576	serious
1260	think
8698	discussion
3104	light
2694	thrown
1651	facts
5542	belief
1558	independent
2684	acts
6824	creation
10231	utterly
7734	obscure
417	seen
1330	species
2772	period
848	indefinitely
925	variable
9410	linked
617	multitude
2196	intermediate
10254	gradations
1993	partly
648	process
4	natural
6819	selection
1818	slow
607	time
2684	acts
2162	forms
1993	partly
648	process
4	natural
6819	selection
5343	implies
4080	continual
67350	supplanting
20063	extinction
2436	preceding
2196	intermediate
10254	gradations
796	closely
797	allied
1330	species
7657	continuous
2433	area
981	formed
2433	area
7657	continuous
539	conditions
74	life
15352	insensibly
25304	graduate
839	part
2149	varieties
981	formed
3362	districts
7657	continuous
2433	area
2196	intermediate
4463	variety
981	formed
979	fitted
2196	intermediate
3513	zone
8492	reasons
10005	assigned
2196	intermediate
4463	variety
875	exist
7536	lesser
1159	numbers
2162	forms
27797	connects
5341	consequently
2330	latter
954	course
1012	further
973	modification
1138	existing
731	greater
1159	numbers
790	great
3092	advantage
2552	numerous
2196	intermediate
4463	variety
659	thus
1538	generally
2415	succeed
67350	supplanting
13388	exterminating
417	seen
2851	chapter
13102	cautious
14524	concluding
1240	habits
74	life
25304	graduate
407	bat
3282	instance
981	formed
4	natural
6819	selection
67	animal
5746	glided
821	air
417	seen
1330	species
539	conditions
74	life
889	change
1240	habits
8525	diversified
1240	habits
4424	nearest
46296	congeners
2289	hence
5860	understand
3297	bearing
2443	mind
21627	organic
3150	trying
1653	live
3168	wherever
1653	live
8662	arisen
23145	upland
5212	geese
8983	webbed
1346	feet
626	ground
3709	woodpeckers
49509	diving
5375	thrushes
57639	petrels
1240	habits
67454	auks
5542	belief
1412	organ
947	perfect
1315	eye
981	formed
4	natural
6819	selection
26921	stagger
2331	case
1412	organ
420	know
951	series
10254	gradations
7049	complexity
1205	good
3389	possessor
2615	changing
539	conditions
74	life
1576	logical
13368	impossibility
6825	acquirement
12842	conceivable
2069	degree
6148	perfection
4	natural
6819	selection
2643	cases
420	know
2196	intermediate
18118	transitional
125	states
2232	extremely
13102	cautious
14524	concluding
5061	existed
19172	metamorphoses
1589	organs
1725	show
327	wonderful
952	changes
5970	function
3282	instance
1110	swim
1050	bladder
2022	apparently
5392	converted
821	air
1044	breathing
1042	lung
1412	organ
1146	performed
1526	simultaneously
1024	functions
839	part
60481	specialised
5970	function
2115	distinct
1589	organs
1146	performed
607	time
5970	function
1058	perfected
7820	aided
4596	largely
7450	facilitated
57315	transitions
417	seen
1021	beings
2585	widely
4174	remote
4	natural
1028	scale
1589	organs
1873	serving
1091	purpose
2146	external
1615	appearance
796	closely
706	similar
2242	separately
3421	independently
981	formed
1589	organs
796	closely
675	examined
852	essential
2147	differences
679	structure
2285	detected
1683	naturally
5322	follows
1151	principle
4	natural
6819	selection
418	hand
733	common
426	rule
439	nature
6481	infinite
7466	diversity
679	structure
3090	gaining
612	end
1683	naturally
5322	follows
790	great
1151	principle
2643	cases
6728	ignorant
3358	enabled
5157	assert
839	part
1412	organ
17086	unimportant
5119	welfare
1330	species
8343	modifications
679	structure
1833	slowly
7673	accumulated
553	means
4	natural
6819	selection
2643	cases
8343	modifications
1304	direct
1363	result
509	laws
2174	variation
298	growth
3421	independently
1205	good
659	thus
4874	gained
4560	structures
1190	feel
7685	assured
7669	subsequently
976	taken
3092	advantage
1012	further
6124	modified
1205	good
1330	species
539	conditions
74	life
5363	believe
839	part
2647	formerly
795	importance
1365	frequently
8434	retained
3136	tail
3298	aquatic
67	animal
3300	terrestrial
8275	descendants
644	become
795	importance
1032	state
1601	acquired
553	means
4	natural
6819	selection
4	natural
6819	selection
887	produce
1330	species
6993	exclusive
1205	good
1958	injury
887	produce
748	parts
1589	organs
22461	excretions
2089	highly
5124	useful
4439	indispensable
2089	highly
3892	injurious
1330	species
2643	cases
607	time
5124	useful
3389	possessor
6806	stocked
1093	country
4	natural
6819	selection
2684	acts
17513	competition
6224	inhabitants
5341	consequently
1013	leads
3052	success
3064	battle
74	life
7448	accordance
1124	standard
2917	particular
1093	country
2289	hence
6224	inhabitants
1093	country
1538	generally
1353	smaller
12343	yield
6224	inhabitants
1538	generally
712	larger
1093	country
712	larger
1093	country
5061	existed
2142	individuals
8525	diversified
2162	forms
17513	competition
16123	severer
659	thus
1124	standard
6148	perfection
655	rendered
1027	higher
4	natural
6819	selection
5327	necessarily
4066	lead
491	absolute
6148	perfection
5210	judge
5045	limited
2087	faculties
491	absolute
6148	perfection
5525	everywhere
10439	predicated
6055	theory
4	natural
6819	selection
2751	clearly
5860	understand
498	full
3778	meaning
359	old
8321	canon
4	natural
5	history
67147	natura
8682	non
56862	facit
67148	saltum
8321	canon
1851	look
6224	inhabitants
535	world
6020	strictly
1244	correct
6991	include
884	times
664	known
1191	unknown
6055	theory
6020	strictly
1538	generally
10464	acknowledged
21627	organic
1021	beings
981	formed
790	great
509	laws
25249	unity
2713	type
539	conditions
844	existence
25249	unity
2713	type
2074	meant
998	fundamental
7801	agreement
679	structure
486	see
21627	organic
1021	beings
3195	class
1558	independent
1240	habits
74	life
6055	theory
25249	unity
2713	type
8494	explained
25249	unity
5736	descent
2744	expression
539	conditions
844	existence
455	insisted
9711	illustrious
2090	cuvier
2536	fully
7711	embraced
1151	principle
4	natural
6819	selection
4	natural
6819	selection
2684	acts
6775	adapting
6422	varying
748	parts
21627	organic
8500	inorganic
539	conditions
74	life
4233	adapted
843	periods
607	time
7024	adaptations
7820	aided
2643	cases
5105	increased
7	use
10544	disuse
748	parts
5522	affected
1304	direct
469	action
2146	external
539	conditions
74	life
6664	subjected
2643	cases
509	laws
298	growth
2174	variation
2289	hence
714	fact
3174	law
539	conditions
844	existence
1027	higher
3174	law
5043	includes
1200	inheritance
116	former
6816	variations
7024	adaptations
25249	unity
2713	type
2851	chapter
258	vii
9727	miscellaneous
23735	objections
6055	theory
4	natural
6819	selection
10019	longevity
8343	modifications
5327	necessarily
17118	simultaneous
8343	modifications
2022	apparently
1304	direct
5228	service
3430	progressive
955	development
7165	characters
22339	functional
795	importance
3137	constant
4480	supposed
6996	incompetence
4	natural
6819	selection
1089	account
22306	incipient
3429	stages
5124	useful
4560	structures
6065	causes
5939	interfere
8503	acquisition
4	natural
6819	selection
5124	useful
4560	structures
10254	gradations
679	structure
1086	changed
1024	functions
2585	widely
1589	organs
2376	members
3195	class
946	developed
3597	source
8492	reasons
65515	disbelieving
790	great
10518	abrupt
8343	modifications
6765	devote
2851	chapter
5118	consideration
6	various
9727	miscellaneous
23735	objections
2738	advanced
14503	views
5254	previous
18920	discussions
659	thus
413	made
9623	clearer
5281	useless
11962	discuss
413	made
7305	writers
976	taken
1212	trouble
5860	understand
427	subject
659	thus
2971	distinguished
7157	german
192	naturalist
1709	asserted
12637	weakest
839	part
6055	theory
5191	consider
21627	organic
1021	beings
8027	imperfect
867	said
947	perfect
313	relation
539	conditions
807	shown
2331	case
2268	native
2162	forms
2895	quarters
535	world
7784	yielded
1184	places
4778	intruding
13993	foreigners
21627	organic
1021	beings
607	time
1323	perfectly
4233	adapted
539	conditions
74	life
1452	remained
539	conditions
1086	changed
1086	changed
2226	dispute
6151	physical
539	conditions
1093	country
2554	number
2013	kinds
6224	inhabitants
3668	undergone
57554	mutations
26205	critic
2359	lately
455	insisted
14091	parade
6040	mathematical
2227	accuracy
10019	longevity
790	great
3092	advantage
1330	species
7826	believes
4	natural
6819	selection
4784	arrange
35154	genealogical
492	tree
1296	manner
8275	descendants
2543	longer
1002	lives
18252	progenitors
27004	critics
6597	conceive
67513	biennial
621	plant
1879	lower
293	animals
443	range
634	cold
4168	climate
4974	perish
309	winter
3357	owing
3057	advantages
4874	gained
4	natural
6819	selection
2732	survive
2658	year
2658	year
553	means
620	seeds
67476	ova
390	mr
8360	ray
67514	lankester
4461	recently
11363	discussed
427	subject
2203	concludes
1176	extreme
7049	complexity
24517	allows
838	form
6701	judgment
10019	longevity
1538	generally
592	related
1124	standard
1330	species
1028	scale
12920	organisation
2719	amount
24466	expenditure
19069	reproduction
915	general
1545	activity
539	conditions
855	probable
4596	largely
5865	determined
4	natural
6819	selection
8437	argued
293	animals
447	plants
17393	egypt
420	know
1086	changed
496	thousand
436	years
839	part
535	world
390	mr
42827	lewes
6129	remarked
3915	line
2247	argument
2610	proves
4347	ancient
2897	domestic
2117	races
20764	figured
18788	egyptian
19981	monuments
5151	embalmed
796	closely
706	similar
997	identical
415	naturalists
5314	admit
2117	races
40	produced
973	modification
493	original
2727	types
293	animals
1452	remained
11812	unchanged
7277	commencement
8260	glacial
2772	period
33207	incomparably
3806	stronger
2331	case
4079	exposed
790	great
952	changes
4168	climate
8732	migrated
790	great
1619	distances
17393	egypt
496	thousand
436	years
539	conditions
74	life
420	know
1452	remained
3126	absolutely
3977	uniform
714	fact
973	modification
1531	effected
8260	glacial
2772	period
5928	avail
5363	believe
27594	innate
485	necessary
3174	law
955	development
6511	powerless
14371	doctrine
4	natural
6819	selection
33005	survival
35457	fittest
5343	implies
6816	variations
2143	individual
2147	differences
3880	beneficial
439	nature
650	happen
5952	arise
6438	preserved
1531	effected
14207	favourable
2364	circumstances
17383	celebrated
67115	palaeontologist
45661	bronn
7157	german
17371	translation
558	work
5551	asks
1151	principle
4	natural
6819	selection
4463	variety
1653	live
1503	side
1503	side
2955	parent
1330	species
644	become
979	fitted
1495	slightly
1240	habits
74	life
539	conditions
1653	live
1090	lay
1503	side
67241	polymorphic
1330	species
2122	variability
1193	seems
1567	peculiar
439	nature
2116	mere
4020	temporary
6816	variations
885	size
67178	albinism
197	etc
2361	permanent
2149	varieties
1538	generally
670	found
4123	discover
4044	inhabiting
2115	distinct
22713	stations
274	land
1788	low
274	land
715	dry
10040	moist
3362	districts
932	moreover
2331	case
293	animals
521	wander
6474	cross
2526	freely
2149	varieties
1125	seem
1538	generally
5200	confined
2115	distinct
1282	regions
45661	bronn
24349	insists
2115	distinct
1330	species
994	differ
2168	single
7165	characters
748	parts
5551	asks
2637	comes
748	parts
12920	organisation
6124	modified
607	time
2174	variation
4	natural
6819	selection
4072	necessity
748	parts
1526	simultaneously
6124	modified
1889	striking
8343	modifications
33868	excellently
4233	adapted
1091	purpose
2647	formerly
6129	remarked
1601	acquired
3697	successive
6816	variations
972	slight
839	part
7954	transmitted
860	appear
1526	simultaneously
946	developed
579	answer
12367	objection
6582	afforded
2897	domestic
2117	races
6124	modified
767	chiefly
303	man
1627	power
6819	selection
1091	purpose
1851	look
3093	race
39143	dray
2870	horse
65262	greyhound
38463	mastiff
16902	frames
6194	mental
7182	characteristics
6124	modified
905	trace
1556	step
5	history
7728	transformation
2330	latter
3175	steps
3431	traced
486	see
790	great
17118	simultaneous
952	changes
839	part
1495	slightly
6124	modified
7729	improved
6819	selection
933	applied
303	man
35	character
3435	cultivated
447	plants
2160	offer
2746	instances
1454	invariably
670	found
839	part
939	flower
589	fruit
586	leaves
1414	greatly
1086	changed
748	parts
1495	slightly
6124	modified
7011	attributed
1993	partly
1151	principle
67141	correlated
298	growth
1993	partly
661	called
3519	spontaneous
2174	variation
576	serious
12367	objection
1504	urged
45661	bronn
4461	recently
44876	broca
7117	namely
7165	characters
860	appear
5228	service
33855	possessors
834	therefore
18073	influenced
4	natural
6819	selection
45661	bronn
67515	adduces
1758	length
890	ears
1223	tails
1330	species
12689	hares
2827	mice
6319	complex
2300	folds
26153	enamel
1225	teeth
293	animals
617	multitude
3285	analogous
2643	cases
968	respect
447	plants
427	subject
11363	discussed
67516	nageli
4417	admirable
27610	essay
6965	admits
4	natural
6819	selection
1531	effected
24349	insists
2718	families
447	plants
994	differ
767	chiefly
67517	morphological
7165	characters
860	appear
17086	unimportant
5119	welfare
1330	species
5341	consequently
7826	believes
27594	innate
2424	tendency
3430	progressive
947	perfect
955	development
23722	specifies
2496	arrangement
3551	cells
5393	tissues
586	leaves
16951	axis
2643	cases
4	natural
6819	selection
5751	acted
901	added
35655	numerical
1015	divisions
748	parts
939	flower
1464	position
21393	ovules
830	shape
732	seed
7	use
19703	dissemination
197	etc
2245	force
12367	objection
1216	place
2232	extremely
13102	cautious
8924	pretending
2455	decide
4560	structures
2647	formerly
7	use
1330	species
1216	place
2442	borne
2443	mind
839	part
6124	modified
748	parts
9950	dimly
417	seen
6065	causes
5105	increased
1354	diminished
756	flow
2014	nutriment
839	part
4187	mutual
6070	pressure
946	developed
839	part
4646	affecting
7669	subsequently
946	developed
1144	forth
6065	causes
4066	lead
1008	mysterious
2643	cases
67173	correlation
5860	understand
24479	agencies
11172	grouped
7353	sake
12766	brevity
2744	expression
509	laws
298	growth
79	third
1216	place
5278	allow
1304	direct
893	definite
469	action
1086	changed
539	conditions
74	life
661	called
3519	spontaneous
6816	variations
439	nature
539	conditions
2022	apparently
5481	plays
23757	subordinate
839	part
46214	bud
6816	variations
1615	appearance
4122	moss
2071	rose
733	common
2071	rose
67518	nectarine
5487	peach
492	tree
2160	offer
1205	good
2746	instances
3519	spontaneous
6816	variations
2643	cases
1969	bear
2443	mind
1627	power
673	minute
1155	drop
6516	poison
5922	producing
6319	complex
67512	galls
1190	feel
6816	variations
5087	effect
2477	local
889	change
439	nature
21175	sap
384	due
889	change
539	conditions
2253	efficient
3893	cause
972	slight
2143	individual
2178	difference
800	strongly
437	marked
6816	variations
1744	occasionally
5952	arise
1191	unknown
3893	cause
1178	act
6377	persistently
2142	individuals
1330	species
7062	similarly
6124	modified
1297	earlier
9358	editions
558	work
40170	underrated
1193	seems
855	probable
27963	frequency
795	importance
8343	modifications
384	due
3519	spontaneous
2122	variability
1579	impossible
7016	attribute
3893	cause
602	innumerable
4560	structures
4233	adapted
1240	habits
74	life
1330	species
5363	believe
4233	adapted
838	form
3093	race
2870	horse
65262	greyhound
1151	principle
6819	selection
303	man
6343	understood
4725	excited
1674	surprise
2462	minds
8388	older
415	naturalists
659	thus
8494	explained
4727	worth
8788	illustrate
5213	foregoing
2086	remarks
968	respect
2283	assumed
67519	inutility
6	various
748	parts
1589	organs
2709	hardly
485	necessary
1635	observe
1027	higher
664	known
293	animals
4560	structures
875	exist
2089	highly
946	developed
11425	doubts
795	importance
7	use
4461	recently
7656	ascertained
45661	bronn
695	gives
1758	length
890	ears
3136	tail
1330	species
2827	mice
2746	instances
6280	trifling
938	ones
2147	differences
679	structure
7	use
4906	mention
1123	according
1355	dr
67520	schobl
2146	external
890	ears
733	common
4746	mouse
910	supplied
6094	extraordinary
1296	manner
5712	nerves
3896	doubt
5879	serve
62038	tactile
1589	organs
2289	hence
1758	length
890	ears
2709	hardly
17086	unimportant
4131	presently
486	see
3136	tail
2089	highly
5124	useful
64416	prehensile
1412	organ
1330	species
7	use
5076	influence
1758	length
968	respect
447	plants
1089	account
67516	nageli
27610	essay
5927	confine
2086	remarks
1301	admitted
588	flowers
1886	orchids
617	multitude
1918	curious
4560	structures
436	years
2092	considered
2116	mere
67517	morphological
2147	differences
5970	function
664	known
2041	highest
795	importance
67285	fertilisation
1330	species
3277	aid
1699	insects
4874	gained
4	natural
6819	selection
2359	lately
1548	imagined
21205	dimorphic
67333	trimorphic
447	plants
13798	lengths
5851	stamens
21233	pistils
2496	arrangement
5228	service
420	know
2331	case
2830	groups
447	plants
21393	ovules
513	stand
1444	erect
1025	others
729	suspended
67521	ovarium
447	plants
21394	ovule
1853	holds
116	former
21394	ovule
2330	latter
1464	position
1856	positions
1125	seem
6064	purely
67517	morphological
7045	physiological
29230	signification
1355	dr
49806	hooker
6968	informs
67521	ovarium
1040	upper
21393	ovules
2643	cases
1025	others
1879	lower
938	ones
52274	fertilised
6154	suggests
5261	depends
2073	direction
5829	pollen
5842	tubes
874	enter
67521	ovarium
1464	position
21393	ovules
1444	erect
729	suspended
67521	ovarium
5123	follow
6819	selection
972	slight
28622	deviations
1464	position
9629	favoured
67285	fertilisation
9506	production
732	seed
447	plants
5238	belonging
2115	distinct
5873	orders
1562	habitually
887	produce
588	flowers
2013	kinds
1264	ordinary
679	structure
6283	closed
8027	imperfect
2013	kinds
588	flowers
994	differ
6376	wonderfully
679	structure
417	seen
25304	graduate
621	plant
1264	ordinary
588	flowers
67165	intercrossed
5140	benefits
1438	certainly
835	derived
648	process
659	thus
5597	secured
6283	closed
8027	imperfect
588	flowers
6083	manifestly
795	importance
12343	yield
6068	utmost
2030	safety
3020	stock
732	seed
24466	expenditure
6376	wonderfully
5829	pollen
2013	kinds
588	flowers
994	differ
1912	stated
679	structure
8413	petals
8027	imperfect
588	flowers
757	consist
2116	mere
7034	rudiments
5829	pollen
619	grains
2839	reduced
3804	diameter
67522	ononis
67523	columnae
1606	alternate
5851	stamens
943	rudimentary
1330	species
49682	viola
5851	stamens
1032	state
7266	retaining
514	proper
5970	function
885	size
2358	thirty
6283	closed
588	flowers
3228	indian
8430	violet
2109	name
1191	unknown
447	plants
40	produced
947	perfect
588	flowers
21388	sepals
2839	reduced
21725	normal
2554	number
6029	section
67524	malpighiaceae
6283	closed
588	flowers
1123	according
1771	de
18261	jussieu
1012	further
6124	modified
5851	stamens
513	stand
583	opposite
21388	sepals
67191	aborted
2850	sixth
67525	stamen
2284	standing
583	opposite
65747	petal
946	developed
67525	stamen
1264	ordinary
588	flowers
1330	species
433	style
67191	aborted
67526	ovaria
2839	reduced
4	natural
6819	selection
1627	power
4971	prevent
588	flowers
3663	expanding
6975	reduce
2719	amount
5829	pollen
655	rendered
50767	closure
588	flowers
34154	superfluous
2709	hardly
8343	modifications
659	thus
5865	determined
1189	followed
509	laws
298	growth
5384	including
22339	functional
26123	inactivity
748	parts
1528	progress
21893	reduction
5829	pollen
50767	closure
588	flowers
485	necessary
3517	appreciate
17321	effects
509	laws
298	growth
13	give
1313	additional
2643	cases
958	kind
7117	namely
2147	differences
839	part
1412	organ
384	due
2147	differences
730	relative
1464	position
621	plant
15379	spanish
4773	chestnut
8204	fir
1377	trees
5576	angles
46257	divergence
586	leaves
994	differ
1123	according
67527	schacht
813	nearly
4772	horizontal
1535	upright
1543	branches
733	common
14331	rue
447	plants
939	flower
5634	central
5506	terminal
24498	opens
21388	sepals
8413	petals
1015	divisions
67521	ovarium
588	flowers
621	plant
67528	tetramerous
5732	british
67529	adoxa
13403	uppermost
939	flower
1538	generally
21230	calyx
46064	lobes
1589	organs
67528	tetramerous
4147	surrounding
588	flowers
1538	generally
21230	calyx
46064	lobes
1589	organs
67530	pentamerous
67399	compositae
67400	umbelliferae
447	plants
67531	circumferential
588	flowers
21315	corollas
946	developed
1907	centre
1193	seems
3553	connected
23263	abortion
61494	reproductive
1589	organs
1918	curious
714	fact
4198	previously
2272	referred
67532	achenes
620	seeds
1786	circumference
1907	centre
994	differ
1414	greatly
838	form
9916	colour
7165	characters
67533	carthamus
67399	compositae
5634	central
67532	achenes
4975	furnished
67534	pappus
67535	hyoseris
747	head
782	yields
67532	achenes
2162	forms
67400	umbelliferae
902	exterior
620	seeds
1123	according
67536	tausch
67405	orthospermous
5634	central
67406	coelospermous
35	character
2092	considered
1771	de
67254	candolle
1330	species
2041	highest
8249	systematic
795	importance
200	professor
24853	braun
8800	mentions
67537	fumariaceous
2434	genus
588	flowers
1879	lower
839	part
45292	spike
1969	bear
618	oval
24288	ribbed
67538	seeded
67539	nutlets
1040	upper
839	part
45292	spike
21213	lanceolate
67540	valved
67538	seeded
67541	siliques
2643	cases
4318	exception
946	developed
8360	ray
67397	florets
5228	service
1422	making
588	flowers
2922	conspicuous
1699	insects
4	natural
6819	selection
5210	judge
1070	come
5809	play
23757	subordinate
1296	manner
8343	modifications
5123	follow
730	relative
1464	position
21805	inter
469	action
748	parts
2709	hardly
1560	doubted
588	flowers
586	leaves
621	plant
6664	subjected
2146	external
3013	internal
725	condition
588	flowers
586	leaves
1856	positions
6124	modified
1296	manner
2552	numerous
2643	cases
540	find
8343	modifications
679	structure
2092	considered
17403	botanists
1538	generally
2089	highly
439	nature
4646	affecting
588	flowers
621	plant
6577	occurring
2115	distinct
447	plants
881	grow
539	conditions
6816	variations
1125	seem
7	use
447	plants
18073	influenced
4	natural
6819	selection
3893	cause
6728	ignorant
7016	attribute
3195	class
2643	cases
67542	proximate
7200	agency
730	relative
1464	position
13	give
2746	instances
733	common
1635	observe
621	plant
588	flowers
12026	indifferently
67528	tetramerous
67530	pentamerous
197	etc
13	give
2894	examples
35655	numerical
6816	variations
1062	comparatively
1875	rare
748	parts
4906	mention
1123	according
1771	de
67254	candolle
588	flowers
67543	papaver
67544	bracteatum
2160	offer
21388	sepals
8413	petals
733	common
2713	type
40503	poppies
21388	sepals
8413	petals
1296	manner
8413	petals
3934	folded
46214	bud
2830	groups
3137	constant
67517	morphological
35	character
200	professor
42272	asa
2497	gray
125	states
1330	species
67545	mimulus
67546	aestivation
1365	frequently
67547	rhinanthideae
67548	antirrhinideae
2330	latter
2377	tribe
2434	genus
559	belongs
9257	aug
6536	st
37528	hilaire
695	gives
2643	cases
2434	genus
67549	zanthoxylon
559	belongs
5319	division
46900	rutaceae
2168	single
21162	ovary
1330	species
588	flowers
670	found
621	plant
45360	panicle
67550	ovaries
67551	helianthemum
46013	capsule
2395	described
61529	unilocular
13496	tri
67552	locular
67553	mutabile
27366	une
10264	lame
16849	ou
59276	moins
67554	etend
47993	entre
9290	le
67555	pericarpe
18414	et
9290	le
60825	placenta
588	flowers
67556	saponaria
48398	officinalis
1355	dr
6917	masters
2202	observed
2746	instances
8651	marginal
2000	free
5634	central
67557	placentation
5177	lastly
6536	st
37528	hilaire
670	found
4097	southern
1176	extreme
443	range
67558	gomphia
67559	oleaeformis
2162	forms
3896	doubt
2115	distinct
1330	species
7669	subsequently
338	saw
1832	growing
4515	bush
2569	adds
28583	voila
51383	donc
26188	dans
12439	un
51564	meme
67560	individu
8606	des
67561	loges
18414	et
12439	un
433	style
29400	qui
20280	se
67562	rattachent
67563	tantot
12439	un
10998	axe
67564	verticale
18414	et
67563	tantot
12439	un
67565	gynobase
659	thus
486	see
447	plants
67517	morphological
952	changes
7011	attributed
509	laws
298	growth
21805	inter
469	action
748	parts
3421	independently
4	natural
6819	selection
968	respect
67516	nageli
14371	doctrine
27594	innate
2424	tendency
6148	perfection
3430	progressive
955	development
867	said
2331	case
800	strongly
10894	pronounced
6816	variations
447	plants
1657	caught
1178	act
6368	progressing
1027	higher
1032	state
955	development
1945	contrary
8474	infer
2116	mere
714	fact
748	parts
577	question
6195	differing
6422	varying
1414	greatly
621	plant
8343	modifications
2232	extremely
795	importance
447	plants
795	importance
1538	generally
46254	classifications
8503	acquisition
5281	useless
839	part
2709	hardly
867	said
1982	raise
22183	organism
4	natural
1028	scale
2331	case
8027	imperfect
6283	closed
588	flowers
2395	described
1151	principle
35908	invoked
32630	retrogression
1524	progression
1885	parasitic
12319	degraded
293	animals
6728	ignorant
8798	exciting
3893	cause
9427	specified
8343	modifications
1191	unknown
3893	cause
1178	act
4577	uniformly
1758	length
607	time
8474	infer
1363	result
3977	uniform
2331	case
2142	individuals
1330	species
6124	modified
1296	manner
714	fact
7165	characters
17086	unimportant
5119	welfare
1330	species
972	slight
6816	variations
7767	occurred
7673	accumulated
34598	augmented
4	natural
6819	selection
679	structure
946	developed
649	continued
6819	selection
4590	ceases
5228	service
1330	species
1538	generally
762	becomes
925	variable
486	see
943	rudimentary
1589	organs
2543	longer
20105	regulated
1627	power
6819	selection
439	nature
22183	organism
539	conditions
8343	modifications
3046	induced
17086	unimportant
5119	welfare
1330	species
2022	apparently
7954	transmitted
813	nearly
1032	state
2552	numerous
6124	modified
8275	descendants
795	importance
731	greater
2554	number
1572	mammals
294	birds
2813	reptiles
7723	clothed
1821	hair
741	feathers
5110	scales
1821	hair
7954	transmitted
1572	mammals
741	feathers
294	birds
5110	scales
2813	reptiles
679	structure
733	common
797	allied
2162	forms
23458	ranked
8249	systematic
795	importance
5341	consequently
2283	assumed
1158	vital
795	importance
1330	species
659	thus
2547	inclined
5363	believe
67517	morphological
2147	differences
5191	consider
2496	arrangement
586	leaves
1015	divisions
939	flower
67521	ovarium
1464	position
21393	ovules
197	etc
886	appeared
2643	cases
16254	fluctuating
6816	variations
1383	sooner
4676	became
3137	constant
439	nature
22183	organism
4147	surrounding
539	conditions
67060	intercrossing
2115	distinct
2142	individuals
4	natural
6819	selection
67517	morphological
7165	characters
1959	affect
5119	welfare
1330	species
972	slight
28622	deviations
13499	governed
7673	accumulated
2330	latter
7200	agency
305	strange
1363	result
659	thus
1826	arrive
7117	namely
7165	characters
972	slight
1158	vital
795	importance
1330	species
7151	systematist
2995	hereafter
486	see
3473	treat
67365	genetic
1151	principle
7167	classification
553	means
37935	paradoxical
860	appear
1205	good
1238	evidence
844	existence
21627	organic
1021	beings
27594	innate
2424	tendency
3430	progressive
955	development
5327	necessarily
5322	follows
2225	attempted
1725	show
5956	fourth
2851	chapter
649	continued
469	action
4	natural
6819	selection
6988	definition
1510	given
1124	standard
12920	organisation
2069	degree
748	parts
60481	specialised
18025	differentiated
4	natural
6819	selection
580	tends
612	end
14435	inasmuch
748	parts
659	thus
3358	enabled
6633	perform
1024	functions
17492	efficiently
2971	distinguished
43035	zoologist
390	mr
6536	st
121	george
7532	mivart
4461	recently
760	collected
23735	objections
2738	advanced
1025	others
6055	theory
4	natural
6819	selection
44406	propounded
390	mr
323	wallace
103	illustrated
4417	admirable
201	art
2245	force
659	thus
51206	marshalled
473	make
1694	formidable
9539	array
2162	forms
839	part
390	mr
7532	mivart
3365	plan
13	give
6	various
1651	facts
8312	considerations
12744	opposed
1262	conclusions
972	slight
2351	effort
1765	reason
6551	memory
5352	reader
6119	wish
7301	weigh
1238	evidence
584	sides
14381	discussing
2643	cases
390	mr
7532	mivart
1300	passes
17321	effects
5105	increased
7	use
10544	disuse
748	parts
6896	maintained
2089	highly
5947	treated
2174	variation
2345	domestication
731	greater
1758	length
5363	believe
152	writer
1984	assumes
7016	attribute
2174	variation
3421	independently
4	natural
6819	selection
558	work
2272	referred
760	collected
731	greater
2554	number
2237	established
2643	cases
670	found
558	work
664	known
6701	judgment
2265	trustworthy
381	reading
1237	care
390	mr
7532	mivart
3	book
5325	comparing
6029	section
867	said
747	head
2452	felt
800	strongly
8773	convinced
915	general
462	truth
1262	conclusions
7319	arrived
427	subject
954	course
4660	intricate
427	subject
3204	partial
18323	error
390	mr
7532	mivart
23735	objections
2092	considered
24	volume
223	point
851	appears
6185	struck
6864	readers
4	natural
6819	selection
32973	incompetent
1089	account
22306	incipient
3429	stages
5124	useful
4560	structures
427	subject
25735	intimately
3553	connected
67047	gradation
7165	characters
891	accompanied
889	change
5970	function
3282	instance
11451	conversion
1110	swim
1050	bladder
1037	lungs
2438	points
11363	discussed
2851	chapter
22112	headings
5191	consider
3239	detail
2643	cases
2738	advanced
390	mr
7532	mivart
421	selecting
24792	illustrative
2801	want
1057	space
5903	prevents
43977	giraffe
5468	lofty
11091	stature
7797	elongated
745	neck
7181	fore
743	legs
747	head
1077	tongue
475	frame
5797	beautifully
4233	adapted
50664	browsing
1027	higher
1543	branches
1377	trees
659	thus
705	obtain
966	food
4599	reach
63991	ungulata
66178	hoofed
293	animals
4044	inhabiting
1093	country
790	great
3092	advantage
67566	dearths
67567	niata
4989	cattle
2627	south
1254	america
1725	show
2178	difference
679	structure
473	make
843	periods
790	great
2178	difference
39783	preserving
67	animal
74	life
4989	cattle
53902	browse
1025	others
2416	grass
2157	projection
1879	lower
2223	jaw
28176	recurrent
22731	droughts
53902	browse
1906	twigs
1377	trees
5030	reeds
197	etc
966	food
733	common
4989	cattle
2741	horses
7096	driven
884	times
67568	niatas
4974	perish
2818	fed
3183	owners
2943	coming
390	mr
7532	mivart
23735	objections
2177	explain
4	natural
6819	selection
1178	act
1264	ordinary
2643	cases
303	man
6124	modified
293	animals
5327	necessarily
5192	attended
2438	points
679	structure
911	simply
39783	preserving
3338	breeding
67305	fleetest
2142	individuals
3093	race
2870	horse
65262	greyhound
5299	game
3207	cock
3338	breeding
13904	victorious
294	birds
439	nature
45420	nascent
43977	giraffe
2142	individuals
2041	highest
67569	browsers
1172	able
67566	dearths
4599	reach
2138	inch
1025	others
6438	preserved
9072	roamed
1093	country
3019	search
966	food
2142	individuals
1330	species
994	differ
1495	slightly
730	relative
13798	lengths
748	parts
417	seen
918	works
4	natural
5	history
805	careful
7788	measurements
1510	given
972	slight
22528	proportional
2147	differences
384	due
509	laws
298	growth
2174	variation
1614	slightest
7	use
795	importance
1330	species
45420	nascent
43977	giraffe
855	probable
1240	habits
74	life
2142	individuals
839	part
748	parts
718	bodies
7797	elongated
1461	usual
1538	generally
7443	survived
67165	intercrossed
1814	offspring
1204	inheriting
4111	bodily
1197	peculiarities
2424	tendency
847	vary
1296	manner
2142	individuals
9629	favoured
845	respects
4608	liable
4974	perish
486	see
929	separate
2168	single
3738	pairs
303	man
10529	methodically
21508	improves
4602	breed
4	natural
6819	selection
1518	preserve
659	thus
929	separate
4513	superior
2142	individuals
4928	allowing
2526	freely
67253	intercross
2244	destroy
1041	inferior
2142	individuals
648	process
649	continued
2153	exactly
3606	corresponds
661	called
5479	unconscious
6819	selection
303	man
727	combined
3896	doubt
1296	manner
6959	inherited
17321	effects
5105	increased
7	use
748	parts
1193	seems
1264	ordinary
66178	hoofed
7068	quadruped
5392	converted
43977	giraffe
6630	conclusion
390	mr
7532	mivart
520	brings
1507	forward
23735	objections
5105	increased
885	size
739	body
7010	obviously
1641	require
5105	increased
1003	supply
966	food
8776	considers
46259	problematical
21727	disadvantages
12427	thence
3262	arising
884	times
2652	scarcity
5759	counterbalance
3057	advantages
43977	giraffe
2765	actually
875	exist
1159	numbers
1270	africa
1344	largest
9103	antelopes
535	world
882	taller
12050	ox
2913	abound
876	why
3896	doubt
885	size
6076	concerned
2196	intermediate
10254	gradations
2647	formerly
5061	existed
6664	subjected
3612	severe
67566	dearths
10576	assuredly
1172	able
4599	reach
2798	stage
5105	increased
885	size
1003	supply
966	food
6379	untouched
66178	hoofed
7260	quadrupeds
1093	country
3092	advantage
45420	nascent
43977	giraffe
15594	overlook
714	fact
5105	increased
5243	bulk
1178	act
1816	protection
7127	beasts
332	prey
8318	lion
67	animal
1380	tall
745	neck
882	taller
390	mr
27558	chauncey
92	wright
6129	remarked
5879	serve
3283	watch
8142	tower
3893	cause
322	sir
10345	baker
2086	remarks
67	animal
1242	difficult
6463	stalk
43977	giraffe
67	animal
5036	uses
745	neck
553	means
2083	offence
2084	defence
5676	violently
1639	swinging
747	head
2926	armed
3781	stump
16654	horns
13231	preservation
1330	species
1373	rarely
5865	determined
3092	advantage
397	union
790	great
390	mr
7532	mivart
5551	asks
12367	objection
4	natural
6819	selection
12787	potent
50664	browsing
790	great
3092	advantage
876	why
66178	hoofed
7068	quadruped
1601	acquired
745	neck
5468	lofty
11091	stature
43977	giraffe
7536	lesser
2069	degree
7069	camel
405	guanaco
67570	macrauchenia
876	why
6779	member
2846	group
1601	acquired
48223	proboscis
968	respect
2627	south
1270	africa
2647	formerly
2648	inhabited
2552	numerous
4370	herds
43977	giraffe
579	answer
1242	difficult
1510	given
288	illustration
3969	meadow
174	england
1377	trees
881	grow
486	see
1879	lower
1543	branches
40004	trimmed
41971	planed
4734	exact
1456	level
50664	browsing
2741	horses
4989	cattle
3092	advantage
3282	instance
3885	sheep
984	kept
2348	acquire
1495	slightly
2543	longer
9093	necks
5738	district
958	kind
67	animal
1438	certainly
1172	able
53902	browse
1027	higher
1025	others
3209	equally
958	kind
745	neck
7797	elongated
1091	purpose
4	natural
6819	selection
17321	effects
5105	increased
7	use
2627	south
1270	africa
17513	competition
50664	browsing
1027	higher
1543	branches
46728	acacias
1377	trees
43977	giraffe
43977	giraffe
67571	ungulate
293	animals
876	why
2895	quarters
535	world
6	various
293	animals
5238	belonging
534	order
1601	acquired
7797	elongated
745	neck
48223	proboscis
6347	distinctly
4885	answered
12574	unreasonable
8353	expect
2115	distinct
579	answer
577	question
876	why
4770	event
5	history
5134	mankind
1798	occur
1093	country
6728	ignorant
968	respect
539	conditions
4283	determine
1159	numbers
443	range
1330	species
18602	conjecture
952	changes
679	structure
14207	favourable
2764	increase
1093	country
486	see
915	general
1296	manner
6	various
6065	causes
6417	interfered
955	development
745	neck
48223	proboscis
4599	reach
4638	foliage
3267	considerable
1347	height
1480	climbing
66178	hoofed
293	animals
5710	singularly
4580	constructed
5343	implies
1414	greatly
5105	increased
5243	bulk
739	body
420	know
22441	areas
1311	support
5710	singularly
7260	quadrupeds
3282	instance
2627	south
1254	america
22856	luxuriant
2627	south
1270	africa
42862	abounds
26140	unparalleled
2069	degree
876	why
420	know
876	why
8144	tertiary
843	periods
14207	favourable
844	existence
607	time
6065	causes
486	see
3362	districts
884	times
14207	favourable
1025	others
955	development
7068	quadruped
43977	giraffe
534	order
67	animal
2348	acquire
679	structure
2204	specially
4596	largely
946	developed
4439	indispensable
748	parts
6124	modified
67572	coadapted
839	part
739	body
2172	varies
1495	slightly
5123	follow
485	necessary
748	parts
847	vary
2073	direction
2069	degree
1330	species
2017	domesticated
293	animals
420	know
748	parts
847	vary
1296	manner
2069	degree
1330	species
925	variable
1025	others
3818	fitting
6816	variations
5952	arise
5123	follow
4	natural
6819	selection
1172	able
1178	act
887	produce
679	structure
2022	apparently
3880	beneficial
1330	species
3282	instance
2554	number
2142	individuals
1138	existing
1093	country
5865	determined
767	chiefly
3894	destruction
7127	beasts
332	prey
2146	external
3013	internal
3110	parasites
197	etc
1193	seems
2331	case
4	natural
6819	selection
1172	able
1414	greatly
13492	retarded
40741	modifying
2917	particular
679	structure
9387	obtaining
966	food
5177	lastly
4	natural
6819	selection
1818	slow
648	process
14207	favourable
539	conditions
10074	endure
534	order
437	marked
5087	effect
659	thus
40	produced
7168	assigning
915	general
11709	vague
8492	reasons
2177	explain
876	why
2895	quarters
535	world
66178	hoofed
7260	quadrupeds
1601	acquired
7797	elongated
9093	necks
553	means
50664	browsing
1027	higher
1543	branches
1377	trees
23735	objections
439	nature
5213	foregoing
2738	advanced
7305	writers
2331	case
6	various
6065	causes
915	general
938	ones
7735	indicated
6417	interfered
8503	acquisition
4	natural
6819	selection
4560	structures
1672	thought
3880	beneficial
1330	species
152	writer
5551	asks
876	why
3488	ostrich
1601	acquired
1627	power
1644	flight
1087	moment
6583	reflection
1725	show
2584	enormous
1003	supply
966	food
485	necessary
13	give
321	bird
3361	desert
2245	force
504	move
2549	huge
739	body
821	air
49883	oceanic
1333	islands
2648	inhabited
345	bats
17031	seals
3300	terrestrial
1572	mammals
345	bats
1567	peculiar
1330	species
2648	inhabited
5069	homes
834	therefore
322	sir
44085	lyell
5551	asks
28743	assigns
8492	reasons
579	answer
876	why
17031	seals
345	bats
1510	given
1813	birth
1333	islands
2162	forms
979	fitted
1653	live
274	land
17031	seals
5327	necessarily
5392	converted
3300	terrestrial
2343	carnivorous
293	animals
3267	considerable
885	size
345	bats
3300	terrestrial
3705	insectivorous
293	animals
116	former
332	prey
345	bats
626	ground
1699	insects
5879	serve
966	food
4596	largely
8774	preyed
2813	reptiles
294	birds
67573	colonise
2913	abound
49883	oceanic
1333	islands
10254	gradations
679	structure
2798	stage
3880	beneficial
2615	changing
1330	species
9629	favoured
1567	peculiar
539	conditions
6020	strictly
3300	terrestrial
67	animal
1744	occasionally
3466	hunting
966	food
4305	shallow
635	water
3186	streams
8024	lakes
5392	converted
67	animal
4182	thoroughly
3298	aquatic
69	brave
3229	ocean
17031	seals
540	find
49883	oceanic
1333	islands
539	conditions
14207	favourable
1642	gradual
67574	reconversion
3300	terrestrial
838	form
345	bats
2647	formerly
807	shown
1601	acquired
742	wings
5763	gliding
821	air
492	tree
492	tree
661	called
1571	flying
4034	squirrels
7353	sake
1479	escaping
2029	enemies
11927	avoiding
6520	falls
1627	power
1644	flight
1601	acquired
67349	reconverted
1045	purposes
2253	efficient
1627	power
5763	gliding
821	air
345	bats
815	indeed
294	birds
742	wings
1414	greatly
2839	reduced
885	size
1628	completely
465	lost
10544	disuse
2331	case
485	necessary
1601	acquired
1627	power
868	running
2593	quickly
626	ground
3277	aid
1532	hind
743	legs
21137	compete
294	birds
626	ground
293	animals
889	change
407	bat
1193	seems
5710	singularly
979	fitted
48535	conjectural
2086	remarks
413	made
449	merely
1725	show
6008	transition
679	structure
1556	step
3880	beneficial
2089	highly
6319	complex
10406	affair
305	strange
6008	transition
7767	occurred
2917	particular
2331	case
5177	lastly
152	writer
8041	asked
876	why
293	animals
6194	mental
508	powers
2089	highly
946	developed
1025	others
955	development
6869	advantageous
876	why
304	apes
1601	acquired
9385	intellectual
508	powers
303	man
6	various
6065	causes
10005	assigned
48535	conjectural
730	relative
2219	probability
2662	weighed
5281	useless
13	give
893	definite
579	answer
2330	latter
577	question
2896	expected
1751	seeing
3510	solve
2843	simpler
3379	problem
876	why
2117	races
3493	savages
277	risen
1027	higher
1028	scale
58249	civilisation
2022	apparently
5343	implies
5105	increased
6088	brain
1627	power
578	return
390	mr
7532	mivart
23735	objections
1699	insects
1957	resemble
7353	sake
1816	protection
6	various
502	objects
880	green
4205	decayed
586	leaves
873	dead
1906	twigs
4683	bits
45358	lichen
588	flowers
2931	spines
4303	excrement
294	birds
1699	insects
2330	latter
223	point
2995	hereafter
8710	recur
7383	resemblance
6376	wonderfully
5200	confined
9916	colour
2629	extends
838	form
1296	manner
1699	insects
1067	hold
4459	caterpillars
0	project
3569	motionless
873	dead
1906	twigs
4148	bushes
2821	feed
2160	offer
1447	excellent
3282	instance
7383	resemblance
958	kind
2643	cases
2884	imitation
502	objects
4303	excrement
294	birds
1875	rare
6003	exceptional
747	head
390	mr
7532	mivart
2086	remarks
1123	according
390	mr
319	darwin
6055	theory
3137	constant
2424	tendency
3993	indefinite
2174	variation
673	minute
22306	incipient
6816	variations
5367	directions
5421	tend
22089	neutralize
838	form
21675	unstable
8343	modifications
1242	difficult
1579	impossible
486	see
3993	indefinite
4939	oscillations
36237	infinitesimal
419	beginnings
1007	build
5758	sufficiently
22203	appreciable
7383	resemblance
334	leaf
2016	bamboo
1661	object
4	natural
6819	selection
1466	seize
3511	perpetuate
5213	foregoing
2643	cases
1699	insects
493	original
1032	state
3896	doubt
2179	presented
1909	rude
4983	accidental
7383	resemblance
1661	object
1561	commonly
670	found
22713	stations
2655	frequented
5622	improbable
6481	infinite
2554	number
4147	surrounding
502	objects
7466	diversity
838	form
9916	colour
6427	hosts
1699	insects
875	exist
1909	rude
7383	resemblance
485	necessary
39	start
5860	understand
712	larger
1027	higher
293	animals
4318	exception
420	know
355	fish
1957	resemble
7353	sake
1816	protection
502	objects
935	surface
1561	commonly
3375	surrounds
767	chiefly
9916	colour
12912	assuming
1083	insect
6818	originally
5248	happened
1957	resemble
2069	degree
873	dead
4210	twig
4205	decayed
334	leaf
2137	varied
1495	slightly
446	ways
6816	variations
655	rendered
1083	insect
1661	object
659	thus
9629	favoured
1157	escape
6438	preserved
6816	variations
6445	neglected
7745	ultimately
465	lost
655	rendered
1083	insect
8743	imitated
1661	object
22382	eliminated
815	indeed
2245	force
390	mr
7532	mivart
12367	objection
2033	attempt
1089	account
367	resemblances
3421	independently
4	natural
6819	selection
2116	mere
16254	fluctuating
2122	variability
2331	case
1310	stands
486	see
2245	force
390	mr
7532	mivart
2125	difficulty
968	respect
13374	touches
6148	perfection
8506	mimicry
2331	case
1510	given
390	mr
323	wallace
1513	walking
1985	stick
1083	insect
67575	ceroxylus
67576	laceratus
2425	resembles
1985	stick
2810	grown
3717	creeping
4122	moss
67577	jungermannia
7383	resemblance
2268	native
2062	dyak
6896	maintained
60892	foliaceous
2208	excrescences
4122	moss
1699	insects
8774	preyed
294	birds
2029	enemies
3311	sight
16461	sharper
3499	grade
7383	resemblance
7820	aided
1083	insect
1157	escape
1733	notice
7983	detection
5421	tend
13231	preservation
947	perfect
7383	resemblance
1083	insect
439	nature
2147	differences
1330	species
2846	group
5043	includes
67575	ceroxylus
5622	improbable
1083	insect
2137	varied
7411	irregularities
935	surface
644	become
880	green
3288	coloured
2846	group
7165	characters
994	differ
1330	species
4583	apt
847	vary
18590	generic
7165	characters
733	common
1330	species
3137	constant
38251	greenland
19603	whale
327	wonderful
293	animals
535	world
63796	baleen
51286	whalebone
1611	greatest
1197	peculiarities
63796	baleen
608	consists
5702	row
1503	side
1040	upper
2223	jaw
5931	plates
65671	laminae
513	stand
27936	transversely
2543	longer
16951	axis
749	mouth
3217	main
5702	row
28306	subsidiary
3650	rows
1515	extremities
1997	inner
2195	margins
5931	plates
13212	frayed
3620	stiff
8009	bristles
16755	clothe
2752	gigantic
7890	palate
5879	serve
4886	strain
54311	sift
635	water
659	thus
3401	secure
673	minute
332	prey
790	great
293	animals
8780	subsist
2221	middle
7213	longest
61702	lamina
38251	greenland
19603	whale
1827	ten
1609	twelve
1828	fifteen
1346	feet
1758	length
1330	species
48202	cetaceans
10254	gradations
1758	length
2221	middle
61702	lamina
1330	species
1123	according
67578	scoresby
1346	feet
1610	eighteen
1345	inches
63798	balaenoptera
67579	rostrata
1926	nine
1345	inches
1758	length
11549	quality
51286	whalebone
8723	differs
1330	species
968	respect
63796	baleen
390	mr
7532	mivart
2086	remarks
1603	attained
885	size
955	development
5124	useful
13231	preservation
39737	augmentation
7438	serviceable
1006	limits
23488	promoted
4	natural
6819	selection
705	obtain
526	beginning
5124	useful
955	development
579	answer
8041	asked
876	why
18252	progenitors
7176	whales
63796	baleen
1393	possessed
749	mouth
4580	constructed
67580	lamellated
318	beak
5578	duck
4373	ducks
7176	whales
8780	subsist
15568	sifting
3567	mud
635	water
1161	family
661	called
67581	criblatores
67582	sifters
1206	hope
36987	misconstrued
6149	saying
18252	progenitors
7176	whales
2765	actually
1302	possess
3536	mouths
67580	lamellated
318	beak
5578	duck
6119	wish
1725	show
16114	incredible
2032	immense
5931	plates
63796	baleen
38251	greenland
19603	whale
946	developed
21427	lamellae
19985	finely
6919	graduated
3175	steps
5228	service
3389	possessor
318	beak
67583	shoveller
5578	duck
27574	spatula
67584	clypeata
541	beautiful
6319	complex
679	structure
749	mouth
19603	whale
1040	upper
5582	mandible
4975	furnished
1503	side
2091	specimen
675	examined
5702	row
5982	comb
981	formed
2607	thin
5579	elastic
21427	lamellae
1987	obliquely
41481	bevelled
5572	pointed
750	placed
27936	transversely
2543	longer
16951	axis
749	mouth
5952	arise
7890	palate
615	attached
2135	flexible
3588	membrane
584	sides
5582	mandible
2284	standing
2221	middle
7213	longest
79	third
2138	inch
1758	length
0	project
5544	fourteen
23527	hundredths
2138	inch
3235	edge
3369	bases
28306	subsidiary
5702	row
1987	obliquely
2523	transverse
21427	lamellae
845	respects
1957	resemble
5931	plates
63796	baleen
749	mouth
19603	whale
7212	extremity
318	beak
994	differ
0	project
2296	inward
2785	instead
1852	straight
2261	downward
3308	entire
747	head
67583	shoveller
33207	incomparably
1442	bulky
17385	eighteenth
1758	length
747	head
7800	moderately
63798	balaenoptera
67579	rostrata
1330	species
63796	baleen
1926	nine
1345	inches
473	make
747	head
67583	shoveller
63798	balaenoptera
21427	lamellae
1345	inches
1758	length
1785	thirds
1758	length
63796	baleen
1330	species
19603	whale
1879	lower
5582	mandible
67583	shoveller
5578	duck
4975	furnished
21427	lamellae
2332	equal
1758	length
19732	finer
659	thus
4975	furnished
8723	differs
8332	conspicuously
1879	lower
2223	jaw
19603	whale
4578	destitute
63796	baleen
418	hand
1515	extremities
1879	lower
21427	lamellae
13212	frayed
627	fine
51168	bristly
2438	points
659	thus
6933	curiously
1957	resemble
5931	plates
63796	baleen
2434	genus
67585	prion
6779	member
2115	distinct
1161	family
57639	petrels
1040	upper
5582	mandible
4975	furnished
21427	lamellae
946	developed
0	project
7917	margin
318	beak
321	bird
2425	resembles
968	respect
749	mouth
19603	whale
2089	highly
946	developed
679	structure
67583	shoveller
318	beak
4159	proceed
6961	learned
696	information
2656	specimens
4834	sent
390	mr
67586	salvin
790	great
755	break
9493	fitness
15568	sifting
6076	concerned
318	beak
67587	merganetta
67588	armata
845	respects
19037	aix
67589	sponsa
318	beak
733	common
5578	duck
2330	latter
1330	species
21427	lamellae
4945	coarser
67583	shoveller
5938	firmly
615	attached
584	sides
5582	mandible
1834	fifty
2554	number
1503	side
0	project
7917	margin
3735	square
4923	topped
7878	edged
24107	translucent
67590	hardish
12971	tissue
16034	crushing
966	food
1371	edges
1879	lower
5582	mandible
2356	crossed
2552	numerous
627	fine
2130	ridges
0	project
318	beak
659	thus
1041	inferior
24286	sifter
67583	shoveller
321	bird
965	knows
454	constantly
5036	uses
1091	purpose
1330	species
550	hear
390	mr
67586	salvin
21427	lamellae
2173	considerably
946	developed
733	common
5578	duck
420	know
7	use
2883	beaks
15568	sifting
635	water
5070	turning
2846	group
1161	family
18788	egyptian
7840	goose
67591	chenalopex
318	beak
796	closely
2425	resembles
733	common
5578	duck
21427	lamellae
2552	numerous
2115	distinct
0	project
2296	inward
7840	goose
2638	informed
390	mr
25945	bartlett
5036	uses
4292	bill
5578	duck
1972	throwing
635	water
7230	corners
86	chief
966	food
2416	grass
2882	crops
733	common
7840	goose
2330	latter
321	bird
21427	lamellae
1040	upper
5582	mandible
4945	coarser
733	common
5578	duck
61143	confluent
100	twenty
3980	seven
2554	number
1503	side
7192	terminating
1517	upward
1225	teeth
23216	knobs
7890	palate
740	covered
6780	rounded
23216	knobs
1371	edges
1879	lower
5582	mandible
47332	serrated
1225	teeth
2500	prominent
4945	coarser
16461	sharper
5578	duck
733	common
7840	goose
54311	sift
635	water
5036	uses
318	beak
842	exclusively
4853	tearing
335	cutting
1840	herbage
1091	purpose
979	fitted
5112	crop
2416	grass
898	closer
67	animal
1330	species
5212	geese
550	hear
390	mr
25945	bartlett
21427	lamellae
946	developed
733	common
7840	goose
659	thus
486	see
6779	member
5578	duck
1161	family
318	beak
4580	constructed
733	common
7840	goose
4233	adapted
5258	solely
44409	grazing
6779	member
318	beak
946	developed
21427	lamellae
5392	converted
952	changes
1330	species
18788	egyptian
7840	goose
733	common
5578	duck
5177	lastly
67583	shoveller
318	beak
842	exclusively
4233	adapted
15568	sifting
635	water
321	bird
2709	hardly
7	use
839	part
318	beak
7219	hooked
5623	tip
1625	seizing
4853	tearing
764	solid
966	food
318	beak
7840	goose
2976	add
5392	converted
952	changes
2500	prominent
61160	recurved
1225	teeth
67592	merganser
6779	member
1161	family
1873	serving
2585	widely
1091	purpose
6875	securing
1653	live
355	fish
3987	returning
7176	whales
67593	hyperoodon
67594	bidens
4578	destitute
1225	teeth
2253	efficient
725	condition
7890	palate
10164	roughened
1123	according
48203	lacepede
7705	unequal
2438	points
769	horn
834	therefore
5622	improbable
65560	cetacean
838	form
706	similar
2438	points
769	horn
7890	palate
4947	regularly
750	placed
23216	knobs
318	beak
7840	goose
7820	aided
1625	seizing
4853	tearing
966	food
2709	hardly
13766	denied
2438	points
5392	converted
2174	variation
4	natural
6819	selection
21427	lamellae
946	developed
18788	egyptian
7840	goose
2331	case
1625	seizing
502	objects
15568	sifting
635	water
21427	lamellae
2897	domestic
5578	duck
5257	onward
4676	became
4580	constructed
67583	shoveller
2331	case
6266	served
842	exclusively
15568	sifting
3560	apparatus
2798	stage
21427	lamellae
1785	thirds
1758	length
5931	plates
63796	baleen
63798	balaenoptera
67579	rostrata
10254	gradations
2202	observed
1138	existing
48202	cetaceans
4066	lead
5257	onward
2584	enormous
5931	plates
63796	baleen
38251	greenland
19603	whale
1765	reason
3896	doubt
1556	step
1028	scale
7438	serviceable
4347	ancient
48202	cetaceans
1024	functions
748	parts
1833	slowly
2615	changing
1528	progress
955	development
10254	gradations
2883	beaks
1138	existing
2376	members
5578	duck
1161	family
1969	bear
2443	mind
1330	species
5578	duck
6664	subjected
3612	severe
3075	struggle
844	existence
679	structure
839	part
475	frame
4233	adapted
539	conditions
74	life
67595	pleuronectidae
1789	flat
355	fish
841	remarkable
67596	asymmetrical
718	bodies
1994	rest
1503	side
731	greater
2554	number
1330	species
1503	side
1744	occasionally
5889	reversed
1825	adult
2656	specimens
1798	occur
1879	lower
1930	resting
935	surface
2425	resembles
3311	sight
46106	ventral
935	surface
1264	ordinary
355	fish
411	white
9916	colour
946	developed
446	ways
1040	upper
1503	side
2127	lateral
2784	fins
1353	smaller
885	size
1740	eyes
2160	offer
841	remarkable
2939	peculiarity
750	placed
1040	upper
1503	side
747	head
561	youth
513	stand
583	opposite
739	body
14984	symmetrical
584	sides
3209	equally
3288	coloured
1315	eye
514	proper
1879	lower
1503	side
1030	begins
5520	glide
1833	slowly
747	head
1040	upper
1503	side
587	pass
2183	skull
2647	formerly
1672	thought
2331	case
799	obvious
1879	lower
1315	eye
659	thus
5463	travel
355	fish
3315	lying
2450	habitual
1464	position
1503	side
1879	lower
1315	eye
4608	liable
54519	abraded
3891	sandy
671	bottom
67595	pleuronectidae
5850	admirably
4233	adapted
3741	flattened
67596	asymmetrical
679	structure
1240	habits
74	life
2346	manifest
1330	species
17042	soles
67597	flounders
197	etc
2232	extremely
733	common
86	chief
3057	advantages
659	thus
4874	gained
1125	seem
1816	protection
2029	enemies
1917	facility
964	feeding
626	ground
2376	members
1161	family
67384	schiodte
2086	remarks
951	series
2162	forms
1841	exhibiting
1642	gradual
6008	transition
67598	hippoglossus
67599	pinguis
3267	considerable
2069	degree
13789	alter
830	shape
586	leaves
46023	ovum
17042	soles
781	entirely
2694	thrown
1503	side
390	mr
7532	mivart
976	taken
2331	case
2086	remarks
2079	sudden
3519	spontaneous
7728	transformation
1464	position
1740	eyes
2709	hardly
12842	conceivable
993	agree
2569	adds
21511	transit
1642	gradual
21511	transit
1315	eye
673	minute
21786	fraction
5471	journey
1503	side
747	head
5125	benefit
2143	individual
815	indeed
431	clear
1193	seems
22306	incipient
7728	transformation
3892	injurious
670	found
579	answer
12367	objection
1447	excellent
474	observations
2437	published
41362	malm
67595	pleuronectidae
21	young
14984	symmetrical
1740	eyes
2284	standing
583	opposite
584	sides
747	head
3695	retain
3914	vertical
1464	position
3357	owing
6658	excessive
2503	depth
718	bodies
885	size
2127	lateral
2784	fins
4578	destitute
1110	swim
1050	bladder
2289	hence
1832	growing
3868	tired
776	fall
671	bottom
1503	side
659	thus
1994	rest
5595	twist
41362	malm
2202	observed
1879	lower
1315	eye
1517	upward
486	see
7276	vigorously
1315	eye
3403	pressed
1040	upper
839	part
15166	orbit
10106	forehead
1740	eyes
5341	consequently
762	becomes
3733	plainly
417	seen
14256	temporarily
2589	contracted
2796	breadth
1366	occasion
41362	malm
338	saw
21	young
355	fish
1982	raise
45462	depress
1879	lower
1315	eye
7701	angular
1405	distance
2663	seventy
5627	degrees
3198	remember
2183	skull
1829	age
60387	cartilaginous
2135	flexible
1443	readily
782	yields
5790	muscular
469	action
664	known
1027	higher
293	animals
561	youth
2183	skull
782	yields
5754	altered
830	shape
2298	skin
2132	muscles
16695	permanently
2589	contracted
5306	disease
10009	accident
7472	eared
2828	rabbits
613	ear
67600	flops
1507	forward
2261	downward
1973	weight
6275	drags
1507	forward
778	bones
2183	skull
1503	side
1510	given
8719	figure
41362	malm
125	states
10727	newly
991	hatched
21	young
13189	perches
17032	salmon
14984	symmetrical
295	fishes
479	habit
1744	occasionally
1930	resting
1503	side
671	bottom
2202	observed
4886	strain
1879	lower
1740	eyes
1851	look
1517	upward
2181	skulls
659	thus
655	rendered
10060	crooked
295	fishes
1172	able
1067	hold
3914	vertical
1464	position
2361	permanent
5087	effect
659	thus
40	produced
67595	pleuronectidae
418	hand
8388	older
881	grow
1562	habitually
1994	rest
1503	side
3357	owing
2767	increasing
52014	flatness
718	bodies
2361	permanent
5087	effect
659	thus
40	produced
838	form
747	head
1464	position
1740	eyes
7806	judging
2239	analogy
2424	tendency
41877	distortion
3896	doubt
5105	increased
1151	principle
1200	inheritance
67384	schiodte
7826	believes
6360	opposition
415	naturalists
67595	pleuronectidae
14984	symmetrical
17631	embryo
5860	understand
1330	species
21	young
1562	habitually
776	fall
1994	rest
1503	side
1330	species
1503	side
41362	malm
2569	adds
9549	confirmation
4991	view
1825	adult
67601	trachypterus
67602	arcticus
6779	member
67595	pleuronectidae
1953	rests
1503	side
671	bottom
8025	swims
20991	diagonally
635	water
355	fish
584	sides
747	head
867	said
1026	somewhat
8347	dissimilar
790	great
2323	authority
295	fishes
1355	dr
65732	gunther
2203	concludes
19719	abstract
41362	malm
2270	paper
8625	remarking
26	author
695	gives
515	simple
6958	explanation
5092	abnormal
725	condition
67603	pleuronectoids
659	thus
486	see
3429	stages
21511	transit
1315	eye
1503	side
747	head
390	mr
7532	mivart
8776	considers
3892	injurious
7011	attributed
479	habit
3896	doubt
3880	beneficial
2143	individual
1330	species
10574	endeavouring
1851	look
1517	upward
1740	eyes
1930	resting
1503	side
671	bottom
7016	attribute
6959	inherited
17321	effects
7	use
714	fact
749	mouth
2013	kinds
1789	flat
355	fish
1894	bent
1879	lower
935	surface
2223	jaw
778	bones
3806	stronger
5845	effective
58825	eyeless
1503	side
747	head
7353	sake
1355	dr
67604	traquair
27280	supposes
964	feeding
1612	ease
626	ground
10544	disuse
418	hand
1089	account
946	developed
725	condition
1041	inferior
1328	half
739	body
5384	including
2127	lateral
2784	fins
67605	yarrel
2119	thinks
2839	reduced
885	size
2784	fins
6869	advantageous
355	fish
1137	room
469	action
712	larger
2784	fins
7536	lesser
2554	number
1225	teeth
537	proportion
3980	seven
1040	upper
5848	halves
2061	jaws
67606	plaice
100	twenty
2358	thirty
1879	lower
5848	halves
7523	accounted
10544	disuse
45411	colourless
1032	state
46106	ventral
935	surface
295	fishes
293	animals
1559	reasonably
2309	suppose
4815	absence
9916	colour
1789	flat
355	fish
1503	side
384	due
9495	exclusion
3104	light
4480	supposed
1567	peculiar
11475	speckled
1615	appearance
1040	upper
1503	side
1554	sole
3891	sandy
1874	bed
65	sea
1627	power
1330	species
4461	recently
807	shown
67607	pouchet
2615	changing
9916	colour
7448	accordance
4147	surrounding
935	surface
2287	presence
2190	bony
8511	tubercles
1040	upper
1503	side
42861	turbot
384	due
469	action
3104	light
4	natural
6819	selection
1070	come
5809	play
6775	adapting
915	general
830	shape
739	body
295	fishes
1197	peculiarities
1240	habits
74	life
823	keep
2443	mind
455	insisted
6959	inherited
17321	effects
5105	increased
7	use
748	parts
10544	disuse
6500	strengthened
4	natural
6819	selection
3519	spontaneous
6816	variations
2073	direction
659	thus
6438	preserved
2142	individuals
52462	inherit
2041	highest
2069	degree
17321	effects
5105	increased
3880	beneficial
7	use
839	part
7016	attribute
2917	particular
2331	case
17321	effects
7	use
4	natural
6819	selection
1193	seems
1579	impossible
2455	decide
13	give
3282	instance
679	structure
2022	apparently
18324	owes
2474	origin
842	exclusively
7	use
479	habit
7212	extremity
3136	tail
8661	monkeys
5392	converted
6376	wonderfully
947	perfect
64416	prehensile
1412	organ
2002	serves
5957	fifth
418	hand
67308	reviewer
5034	agrees
390	mr
7532	mivart
3239	detail
2086	remarks
679	structure
1579	impossible
5363	believe
2554	number
5050	ages
972	slight
22306	incipient
2424	tendency
2602	grasp
1518	preserve
1002	lives
2142	individuals
4095	possessing
9755	favour
2717	chance
2722	rearing
1814	offspring
4072	necessity
5542	belief
479	habit
5343	implies
5125	benefit
790	great
659	thus
835	derived
2219	probability
3054	suffice
558	work
64679	brehm
338	saw
21	young
2164	african
21252	monkey
64265	cercopithecus
3992	clinging
935	surface
1199	mother
643	hands
607	time
7219	hooked
1223	tails
1199	mother
200	professor
67608	henslow
984	kept
7465	confinement
606	harvest
2827	mice
32040	mus
67609	messorius
1302	possess
61397	structurally
67610	prehensive
3136	tail
1365	frequently
2202	observed
16429	curled
1223	tails
1543	branches
4515	bush
750	placed
1679	cage
659	thus
7820	aided
1480	climbing
5397	received
3285	analogous
1089	account
1355	dr
65732	gunther
417	seen
4746	mouse
659	thus
7355	suspend
606	harvest
4746	mouse
6020	strictly
1541	arboreal
3136	tail
655	rendered
61397	structurally
64416	prehensile
2331	case
2376	members
534	order
876	why
64265	cercopithecus
1240	habits
21	young
644	become
659	thus
1242	difficult
548	say
3136	tail
21252	monkey
5228	service
5099	balancing
1412	organ
1422	making
1391	prodigious
1640	leaps
64416	prehensile
1412	organ
61503	mammary
7171	glands
733	common
3195	class
1572	mammals
4439	indispensable
844	existence
834	therefore
946	developed
2232	extremely
4174	remote
2772	period
420	know
7655	positively
1296	manner
955	development
390	mr
7532	mivart
5551	asks
12842	conceivable
21	young
67	animal
7123	saved
3894	destruction
6114	accidentally
3983	sucking
1155	drop
4280	scarcely
3812	nutritious
672	fluid
6114	accidentally
60399	hypertrophied
38772	cutaneous
60264	gland
1199	mother
2717	chance
9902	perpetuation
2174	variation
2331	case
640	put
8733	fairly
1301	admitted
67611	evolutionists
1572	mammals
3199	descended
46154	marsupial
838	form
61503	mammary
7171	glands
946	developed
46154	marsupial
3259	sack
2331	case
355	fish
67612	hippocampus
753	eggs
991	hatched
21	young
3500	reared
607	time
3259	sack
439	nature
192	naturalist
390	mr
22170	lockwood
7826	believes
417	seen
955	development
21	young
19378	nourished
3574	secretion
38772	cutaneous
7171	glands
3259	sack
18252	progenitors
1572	mammals
12828	deserved
659	thus
19496	designated
21	young
7062	similarly
19378	nourished
2331	case
2142	individuals
3012	secreted
672	fluid
2069	degree
1296	manner
3812	nutritious
5215	partake
439	nature
2835	milk
1476	run
3500	reared
712	larger
2554	number
19378	nourished
1814	offspring
2142	individuals
3012	secreted
13914	poorer
672	fluid
659	thus
38772	cutaneous
7171	glands
67613	homologues
61503	mammary
7171	glands
7729	improved
655	rendered
5845	effective
59309	accords
2585	widely
2600	extended
1151	principle
67356	specialisation
7171	glands
1057	space
3259	sack
644	become
2089	highly
946	developed
12456	remainder
981	formed
2960	breast
7442	nipple
486	see
67614	ornithorhyncus
1779	base
2857	mammalian
951	series
7200	agency
7171	glands
1057	space
4676	became
2089	highly
60481	specialised
1025	others
2671	pretend
2455	decide
839	part
23758	compensation
298	growth
17321	effects
7	use
4	natural
6819	selection
955	development
61503	mammary
7171	glands
5228	service
5522	affected
4	natural
6819	selection
21	young
607	time
1172	able
5215	partake
3574	secretion
731	greater
2125	difficulty
6479	understanding
21	young
1572	mammals
10661	instinctively
6961	learned
5838	suck
2960	breast
6479	understanding
67299	unhatched
2856	chickens
6961	learned
755	break
683	egg
12241	tapping
2204	specially
4233	adapted
2883	beaks
668	hours
3428	leaving
6961	learned
2824	pick
619	grains
966	food
2643	cases
855	probable
15876	solution
1193	seems
479	habit
1601	acquired
3082	practice
2738	advanced
1829	age
4367	afterwards
7954	transmitted
1814	offspring
1297	earlier
1829	age
21	young
3237	kangaroo
867	said
5838	suck
7380	cling
7442	nipple
1199	mother
1627	power
60586	injecting
2835	milk
749	mouth
4287	helpless
1328	half
981	formed
1814	offspring
747	head
390	mr
7532	mivart
2086	remarks
4438	provision
875	exist
21	young
12650	infallibly
15532	choked
8172	intrusion
2835	milk
7640	wind
3245	pipe
4438	provision
55998	larynx
7797	elongated
2640	rises
1514	posterior
612	end
27917	nasal
1658	passage
659	thus
3358	enabled
13	give
2000	free
4278	entrance
821	air
1037	lungs
2835	milk
1300	passes
37204	harmlessly
1503	side
7797	elongated
55998	larynx
1218	safely
21470	attains
56489	gullet
390	mr
7532	mivart
5551	asks
4	natural
6819	selection
6159	remove
1825	adult
3237	kangaroo
1572	mammals
892	assumption
3199	descended
46154	marsupial
838	form
1323	perfectly
11157	innocent
3753	harmless
679	structure
1263	suggested
579	answer
1392	voice
1438	certainly
795	importance
293	animals
2709	hardly
498	full
2245	force
55998	larynx
10422	entered
27917	nasal
1658	passage
200	professor
939	flower
1263	suggested
679	structure
1414	greatly
6417	interfered
67	animal
961	swallowing
764	solid
966	food
1697	turn
1057	space
1879	lower
1015	divisions
67	animal
3725	kingdom
67615	echinodermata
8855	star
295	fishes
65	sea
53182	urchins
197	etc
4975	furnished
841	remarkable
1589	organs
661	called
67616	pedicellariae
757	consist
946	developed
67617	tridactyle
3783	forceps
981	formed
47332	serrated
1226	arms
3021	neatly
3818	fitting
750	placed
1876	summit
2135	flexible
609	stem
1755	moved
2132	muscles
3783	forceps
1466	seize
5938	firmly
1067	hold
1661	object
17769	alexander
517	agassiz
417	seen
67618	echinus
65	sea
10760	urchin
3170	rapidly
450	passing
5287	particles
4303	excrement
3783	forceps
3783	forceps
4263	lines
739	body
534	order
39235	fouled
3896	doubt
6691	removing
8550	dirt
2013	kinds
60647	subserve
1024	functions
2022	apparently
2084	defence
968	respect
1589	organs
390	mr
7532	mivart
5254	previous
1484	occasions
5551	asks
6033	utility
943	rudimentary
419	beginnings
4560	structures
67619	insipient
67620	buddings
6438	preserved
74	life
2168	single
67618	echinus
2569	adds
2079	sudden
955	development
13422	snapping
469	action
3880	beneficial
2526	freely
9669	movable
6463	stalk
2330	latter
2253	efficient
13422	snapping
2061	jaws
673	minute
813	nearly
3993	indefinite
6816	variations
1526	simultaneously
60552	evolve
6319	complex
388	co
67621	ordinations
679	structure
11398	deny
1193	seems
2024	affirm
1623	startling
51809	paradox
37935	paradoxical
860	appear
390	mr
7532	mivart
67617	tridactyle
67622	forcepses
57891	immovably
604	fixed
1779	base
1822	capable
13422	snapping
469	action
1438	certainly
875	exist
8855	star
295	fishes
11717	intelligible
5879	serve
839	part
553	means
2084	defence
390	mr
517	agassiz
790	great
11108	kindness
4833	indebted
696	information
427	subject
6968	informs
8855	star
295	fishes
1226	arms
3783	forceps
2839	reduced
1311	support
6233	genera
79	third
1497	arm
1628	completely
465	lost
67623	echinoneus
2395	described
7836	perrier
3297	bearing
2013	kinds
67616	pedicellariae
1398	resembling
67618	echinus
67624	spatangus
2643	cases
429	interesting
6665	affording
553	means
2022	apparently
2079	sudden
57315	transitions
23263	abortion
125	states
1412	organ
968	respect
3175	steps
1918	curious
1589	organs
5919	evolved
390	mr
517	agassiz
42003	infers
5571	researches
390	mr
27889	muller
8855	star
295	fishes
65	sea
53182	urchins
67616	pedicellariae
2825	undoubtedly
4391	looked
6124	modified
2931	spines
12512	inferred
1296	manner
955	development
2143	individual
947	perfect
951	series
10254	gradations
1330	species
6233	genera
515	simple
23517	granules
1264	ordinary
2931	spines
947	perfect
67617	tridactyle
67616	pedicellariae
67047	gradation
2629	extends
1296	manner
1264	ordinary
2931	spines
67616	pedicellariae
14295	supporting
47177	calcareous
4197	rods
7208	articulated
6233	genera
8855	star
295	fishes
22149	combinations
1725	show
67616	pedicellariae
6124	modified
4482	branching
2931	spines
670	found
659	thus
604	fixed
2931	spines
67625	equi
1595	distant
47332	serrated
9669	movable
1543	branches
7208	articulated
3369	bases
1027	higher
7333	spine
9669	movable
1543	branches
2330	latter
5952	arise
1876	summit
7333	spine
838	form
714	fact
1909	rude
67617	tridactyle
67616	pedicellariae
417	seen
7333	spine
1879	lower
1543	branches
2331	case
21886	identity
439	nature
1226	arms
67616	pedicellariae
9669	movable
1543	branches
7333	spine
33757	unmistakable
1538	generally
1301	admitted
1264	ordinary
2931	spines
5879	serve
1816	protection
1765	reason
3896	doubt
4975	furnished
47332	serrated
9669	movable
1543	branches
5879	serve
1091	purpose
659	thus
5879	serve
22379	effectively
6036	meeting
5751	acted
64416	prehensile
13422	snapping
3560	apparatus
659	thus
67047	gradation
1264	ordinary
604	fixed
7333	spine
604	fixed
67616	pedicellariae
5228	service
6233	genera
8855	star
295	fishes
1589	organs
2785	instead
604	fixed
2442	borne
10212	immovable
1311	support
750	placed
1876	summit
2135	flexible
5790	muscular
609	stem
2331	case
60647	subserve
1313	additional
5970	function
2084	defence
65	sea
53182	urchins
3175	steps
1189	followed
604	fixed
7333	spine
762	becomes
7208	articulated
659	thus
655	rendered
9669	movable
6119	wish
1057	space
13	give
2957	fuller
19719	abstract
390	mr
517	agassiz
429	interesting
474	observations
955	development
67616	pedicellariae
10254	gradations
2569	adds
670	found
67616	pedicellariae
8855	star
295	fishes
7374	hooks
67626	ophiurians
2846	group
67615	echinodermata
67616	pedicellariae
65	sea
53182	urchins
41903	anchors
67627	holothuriae
5238	belonging
790	great
3195	class
832	compound
293	animals
65669	zoophytes
787	termed
7117	namely
67628	polyzoa
1918	curious
1589	organs
661	called
67629	avicularia
994	differ
679	structure
1330	species
947	perfect
725	condition
6933	curiously
1957	resemble
747	head
318	beak
5300	vulture
20690	miniature
1648	seated
745	neck
1822	capable
448	movement
1879	lower
2223	jaw
5582	mandible
1330	species
2202	observed
67629	avicularia
1596	branch
1755	moved
1526	simultaneously
5587	backwards
5588	forwards
1879	lower
2223	jaw
2585	widely
6022	angle
5627	degrees
954	course
6202	seconds
448	movement
4377	caused
67630	polyzoary
10177	tremble
2061	jaws
5705	touched
7990	needle
1466	seize
5938	firmly
1596	branch
659	thus
10635	shaken
390	mr
7532	mivart
67515	adduces
2331	case
767	chiefly
1089	account
4480	supposed
2125	difficulty
1589	organs
7117	namely
67629	avicularia
67628	polyzoa
67616	pedicellariae
67615	echinodermata
8776	considers
484	essentially
706	similar
946	developed
4	natural
6819	selection
2585	widely
2115	distinct
1015	divisions
67	animal
3725	kingdom
679	structure
6076	concerned
486	see
2460	similarity
67617	tridactyle
67616	pedicellariae
67629	avicularia
2330	latter
2425	resembles
1026	somewhat
796	closely
67631	chelae
9660	pincers
3728	crustaceans
390	mr
7532	mivart
2248	adduced
2332	equal
51380	appropriateness
7383	resemblance
2125	difficulty
7383	resemblance
747	head
318	beak
321	bird
67629	avicularia
7717	believed
390	mr
60211	busk
1355	dr
67632	smitt
1355	dr
67633	nitsche
415	naturalists
1214	carefully
3989	studied
2846	group
27996	homologous
67634	zooids
3551	cells
13641	compose
67635	zoophyte
9669	movable
2099	lip
12523	lid
3407	cell
7029	corresponding
1879	lower
9669	movable
5582	mandible
67636	avicularium
390	mr
60211	busk
420	know
10254	gradations
1138	existing
67637	zooid
67636	avicularium
834	therefore
1579	impossible
18602	conjecture
7438	serviceable
10254	gradations
5392	converted
553	means
5322	follows
10254	gradations
5061	existed
67631	chelae
3728	crustaceans
1957	resemble
2069	degree
67629	avicularia
67628	polyzoa
1873	serving
9660	pincers
4727	worth
1725	show
116	former
951	series
7438	serviceable
10254	gradations
3419	exists
6980	simplest
2798	stage
5506	terminal
8406	segment
2311	limb
11988	shuts
3735	square
1876	summit
995	broad
64865	penultimate
8406	segment
1503	side
659	thus
3358	enabled
2104	catch
1067	hold
1661	object
2311	limb
2002	serves
1412	organ
1590	locomotion
540	find
7134	corner
995	broad
64865	penultimate
8406	segment
1495	slightly
2500	prominent
4975	furnished
565	irregular
1225	teeth
5506	terminal
8406	segment
11988	shuts
2764	increase
885	size
2157	projection
830	shape
5506	terminal
8406	segment
1495	slightly
6124	modified
7729	improved
9660	pincers
655	rendered
947	perfect
3869	instrument
2253	efficient
67631	chelae
17028	lobster
10254	gradations
2765	actually
3431	traced
67629	avicularia
67628	polyzoa
1302	possess
1918	curious
1589	organs
661	called
67638	vibracula
1538	generally
757	consist
8009	bristles
1822	capable
448	movement
941	easily
4725	excited
1330	species
675	examined
67638	vibracula
1495	slightly
1991	curved
47332	serrated
934	outer
7917	margin
67630	polyzoary
1755	moved
1526	simultaneously
5135	acting
8975	oars
5900	swept
1596	branch
3170	rapidly
1661	object
3152	glass
676	microscope
1596	branch
750	placed
401	face
67638	vibracula
4676	became
7653	entangled
413	made
4889	violent
4819	efforts
2000	free
4480	supposed
5879	serve
2084	defence
417	seen
390	mr
60211	busk
2086	remarks
7748	sweep
1833	slowly
1214	carefully
935	surface
67630	polyzoary
6691	removing
5285	noxious
1053	delicate
6224	inhabitants
3551	cells
67639	tentacula
6534	protruded
67629	avicularia
67638	vibracula
5879	serve
2084	defence
2104	catch
5000	kill
293	animals
7717	believed
4367	afterwards
5900	swept
5556	currents
4599	reach
67639	tentacula
67634	zooids
1330	species
67629	avicularia
67638	vibracula
67629	avicularia
67638	vibracula
914	easy
5929	imagine
502	objects
2585	widely
1615	appearance
49694	bristle
67640	vibraculum
67636	avicularium
747	head
321	bird
1438	certainly
27996	homologous
946	developed
733	common
3597	source
7117	namely
67637	zooid
3407	cell
2289	hence
5860	understand
1589	organs
25304	graduate
2643	cases
2638	informed
390	mr
60211	busk
659	thus
67629	avicularia
1330	species
67641	lepralia
9669	movable
5582	mandible
40	produced
49694	bristle
2287	presence
1040	upper
604	fixed
318	beak
2002	serves
4283	determine
67642	avicularian
439	nature
67638	vibracula
946	developed
2049	lips
3551	cells
2076	passed
67642	avicularian
2798	stage
1193	seems
855	probable
2076	passed
2798	stage
3429	stages
7728	transformation
748	parts
3407	cell
16	included
67637	zooid
2709	hardly
6738	disappeared
2643	cases
67638	vibracula
27570	grooved
1311	support
1779	base
1193	seems
3475	represent
604	fixed
318	beak
1311	support
1330	species
7733	absent
4991	view
955	development
67638	vibracula
2265	trustworthy
429	interesting
1330	species
67629	avicularia
644	become
3469	extinct
8314	vivid
457	imagination
1672	thought
67638	vibracula
6818	originally
5061	existed
839	part
1412	organ
1398	resembling
321	bird
747	head
565	irregular
4005	box
7556	hood
429	interesting
486	see
2585	widely
1589	organs
946	developed
733	common
2474	origin
9669	movable
2099	lip
3407	cell
2002	serves
1816	protection
67637	zooid
2125	difficulty
1321	believing
10254	gradations
2099	lip
4676	became
5392	converted
1879	lower
5582	mandible
67636	avicularium
7797	elongated
49694	bristle
6266	served
1816	protection
446	ways
2364	circumstances
689	vegetable
3725	kingdom
390	mr
7532	mivart
64559	alludes
2643	cases
7117	namely
679	structure
588	flowers
1886	orchids
1574	movements
1480	climbing
447	plants
968	respect
116	former
516	says
6958	explanation
2474	origin
11126	deemed
4182	thoroughly
23156	unsatisfactory
10231	utterly
4972	insufficient
2177	explain
22306	incipient
36237	infinitesimal
419	beginnings
4560	structures
6033	utility
2173	considerably
946	developed
2536	fully
5947	treated
427	subject
558	work
13	give
6559	details
1889	striking
1197	peculiarities
588	flowers
1886	orchids
7117	namely
67643	pollinia
67644	pollinium
2089	highly
946	developed
608	consists
119	mass
5829	pollen
619	grains
5950	affixed
5579	elastic
1482	foot
6463	stalk
67645	caudicle
119	mass
2232	extremely
45533	viscid
428	matter
67643	pollinia
553	means
18230	transported
1699	insects
939	flower
49180	stigma
1886	orchids
67645	caudicle
5829	pollen
2795	masses
619	grains
449	merely
636	tied
627	fine
3011	threads
5200	confined
1886	orchids
2092	considered
4906	mention
1779	base
67283	orchidaceous
951	series
67646	cypripedium
486	see
3011	threads
946	developed
1886	orchids
3011	threads
67391	cohere
612	end
5829	pollen
2795	masses
2162	forms
45420	nascent
905	trace
67645	caudicle
2474	origin
67645	caudicle
3267	considerable
1758	length
2089	highly
946	developed
1205	good
1238	evidence
67191	aborted
5829	pollen
619	grains
2285	detected
7813	embedded
5634	central
764	solid
748	parts
968	respect
86	chief
2939	peculiarity
7117	namely
119	mass
45533	viscid
428	matter
615	attached
612	end
67645	caudicle
951	series
10254	gradations
9427	specified
4597	plain
5228	service
621	plant
588	flowers
5238	belonging
5873	orders
49180	stigma
66812	secretes
45533	viscid
428	matter
1886	orchids
706	similar
45533	viscid
428	matter
3012	secreted
712	larger
859	quantities
67319	stigmas
49180	stigma
1817	consequence
26092	copious
3574	secretion
655	rendered
32691	sterile
1083	insect
2054	visits
939	flower
958	kind
3415	rubs
45533	viscid
428	matter
659	thus
607	time
6275	drags
5829	pollen
619	grains
515	simple
725	condition
8723	differs
617	multitude
733	common
588	flowers
23231	endless
10254	gradations
1330	species
5829	pollen
119	mass
40412	terminates
2000	free
67645	caudicle
1025	others
67645	caudicle
762	becomes
5938	firmly
615	attached
45533	viscid
428	matter
32691	sterile
49180	stigma
6124	modified
2330	latter
2331	case
67644	pollinium
2089	highly
946	developed
947	perfect
725	condition
1214	carefully
2150	examine
588	flowers
1886	orchids
11398	deny
844	existence
951	series
10254	gradations
119	mass
5829	pollen
619	grains
449	merely
636	tied
3011	threads
49180	stigma
6195	differing
1264	ordinary
588	flowers
2089	highly
6319	complex
67644	pollinium
5850	admirably
4233	adapted
67318	transportal
1699	insects
11398	deny
10254	gradations
1330	species
5850	admirably
4233	adapted
313	relation
915	general
679	structure
939	flower
67285	fertilisation
1699	insects
2331	case
27983	enquiry
5704	pushed
1012	further
5587	backwards
8041	asked
49180	stigma
1264	ordinary
939	flower
644	become
45533	viscid
420	know
498	full
5	history
2846	group
1021	beings
5281	useless
8836	ask
8555	hopeless
2033	attempt
10203	answering
6123	questions
1697	turn
1480	climbing
447	plants
3680	arranged
951	series
911	simply
16662	twine
1311	support
661	called
334	leaf
2308	climbers
56342	tendrils
2330	latter
5039	classes
2987	stems
1538	generally
465	lost
1627	power
52016	twining
3695	retain
1627	power
23310	revolving
56342	tendrils
1302	possess
10254	gradations
334	leaf
2308	climbers
67647	tendril
13369	bearers
6376	wonderfully
447	plants
5583	differently
750	placed
3195	class
5745	ascending
951	series
515	simple
67648	twiners
334	leaf
2308	climbers
11549	quality
901	added
7117	namely
12194	sensitiveness
503	touch
553	means
1482	foot
3370	stalks
586	leaves
588	flowers
6124	modified
5392	converted
56342	tendrils
4725	excited
5006	bend
8028	clasp
1661	object
2848	read
41558	memoir
447	plants
1260	think
5314	admit
10254	gradations
5970	function
679	structure
515	simple
67648	twiners
67647	tendril
13369	bearers
2331	case
3880	beneficial
2069	degree
1330	species
3282	instance
2751	clearly
790	great
3092	advantage
52016	twining
621	plant
644	become
334	leaf
4355	climber
855	probable
67649	twiner
1393	possessed
586	leaves
1482	foot
3370	stalks
946	developed
334	leaf
4355	climber
1482	foot
3370	stalks
1393	possessed
972	slight
2069	degree
19364	requisite
12194	sensitiveness
503	touch
52016	twining
6980	simplest
553	means
5745	ascending
1311	support
2162	forms
482	basis
951	series
1683	naturally
8041	asked
447	plants
2348	acquire
1627	power
22306	incipient
2069	degree
4367	afterwards
7729	improved
5105	increased
4	natural
6819	selection
1627	power
52016	twining
5261	depends
6826	firstly
2987	stems
21	young
2232	extremely
2135	flexible
35	character
733	common
447	plants
2308	climbers
5040	secondly
4865	continually
1496	bending
2438	points
6424	compass
1607	succession
534	order
448	movement
2987	stems
2547	inclined
584	sides
413	made
504	move
1879	lower
839	part
609	stem
12805	strikes
1661	object
6478	stopped
1040	upper
839	part
478	goes
1496	bending
23310	revolving
659	thus
5327	necessarily
67650	twines
1311	support
23310	revolving
448	movement
4590	ceases
298	growth
4269	shoot
2585	widely
942	separated
2718	families
447	plants
2168	single
1330	species
2168	single
6233	genera
1302	possess
1627	power
23310	revolving
659	thus
644	become
67648	twiners
3421	independently
1601	acquired
6959	inherited
733	common
18262	progenitor
2289	hence
441	led
39575	predict
972	slight
2424	tendency
448	movement
958	kind
670	found
4299	uncommon
447	plants
1468	climb
6582	afforded
482	basis
4	natural
6819	selection
558	work
7716	improve
413	made
11546	prediction
4177	knew
8027	imperfect
2331	case
7117	namely
21	young
939	flower
67651	peduncles
67652	maurandia
11564	revolved
1495	slightly
8640	irregularly
2987	stems
52016	twining
447	plants
1422	making
7	use
479	habit
4367	afterwards
31999	fritz
27889	muller
2396	discovered
21	young
2987	stems
67653	alisma
67654	linum
447	plants
1468	climb
2585	widely
942	separated
4	natural
4412	system
11564	revolved
3733	plainly
8640	irregularly
125	states
1765	reason
4777	suspect
1787	occurs
447	plants
972	slight
1574	movements
860	appear
5228	service
447	plants
577	question
7737	anyhow
7	use
1480	climbing
223	point
15353	concerns
486	see
2987	stems
447	plants
2135	flexible
539	conditions
4079	exposed
33742	profited
1374	ascend
1347	height
479	habit
1495	slightly
8640	irregularly
23310	revolving
5105	increased
60663	utilised
4	natural
6819	selection
644	become
5392	converted
946	developed
52016	twining
1330	species
968	respect
12194	sensitiveness
1482	foot
3370	stalks
586	leaves
588	flowers
56342	tendrils
813	nearly
2086	remarks
9433	applicable
2331	case
23310	revolving
1574	movements
52016	twining
447	plants
1434	vast
2554	number
1330	species
5238	belonging
2585	widely
2115	distinct
2830	groups
7497	endowed
958	kind
12194	sensitiveness
670	found
45420	nascent
725	condition
447	plants
644	become
2308	climbers
2331	case
2202	observed
21	young
939	flower
67651	peduncles
67652	maurandia
1991	curved
1503	side
5705	touched
29581	morren
670	found
1330	species
49409	oxalis
586	leaves
1482	foot
3370	stalks
1755	moved
1731	especially
21295	exposure
3478	hot
1921	sun
8636	gently
4611	repeatedly
5705	touched
621	plant
10635	shaken
652	repeated
474	observations
1330	species
49409	oxalis
1363	result
448	movement
2115	distinct
417	seen
21	young
586	leaves
1025	others
2232	extremely
972	slight
714	fact
1123	according
2323	authority
46151	hofmeister
21	young
21208	shoots
586	leaves
447	plants
504	move
10635	shaken
1480	climbing
447	plants
420	know
3429	stages
298	growth
1482	foot
3370	stalks
56342	tendrils
3529	sensitive
4280	scarcely
972	slight
1574	movements
384	due
503	touch
4490	shake
21	young
1832	growing
1589	organs
447	plants
22339	functional
795	importance
447	plants
1302	possess
32783	obedience
6	various
61073	stimuli
508	powers
448	movement
2346	manifest
795	importance
3282	instance
1373	rarely
3104	light
6360	opposition
1373	rarely
2073	direction
12390	attraction
5760	gravity
5712	nerves
2132	muscles
67	animal
4725	excited
7988	galvanism
10996	absorption
31460	strychnine
6600	consequent
1574	movements
661	called
9484	incidental
1363	result
5712	nerves
2132	muscles
655	rendered
2204	specially
3529	sensitive
61073	stimuli
447	plants
851	appears
1627	power
448	movement
32783	obedience
61073	stimuli
4725	excited
9484	incidental
1296	manner
503	touch
10635	shaken
2289	hence
790	great
2125	difficulty
7197	admitting
2331	case
334	leaf
2308	climbers
67647	tendril
13369	bearers
2424	tendency
976	taken
3092	advantage
5105	increased
4	natural
6819	selection
855	probable
8492	reasons
10005	assigned
41558	memoir
7767	occurred
447	plants
1601	acquired
1627	power
23310	revolving
659	thus
644	become
67648	twiners
39925	endeavoured
2177	explain
447	plants
4676	became
67648	twiners
7117	namely
2764	increase
2424	tendency
972	slight
565	irregular
23310	revolving
1574	movements
7	use
448	movement
384	due
503	touch
4490	shake
9484	incidental
1363	result
1627	power
2524	moving
4874	gained
3880	beneficial
1045	purposes
1642	gradual
955	development
1480	climbing
447	plants
4	natural
6819	selection
7820	aided
6959	inherited
17321	effects
7	use
2671	pretend
2455	decide
420	know
6928	periodical
1574	movements
3282	instance
661	called
1098	sleep
447	plants
13499	governed
479	habit
2092	considered
2643	cases
285	selected
1237	care
4551	skilful
192	naturalist
2182	prove
4	natural
6819	selection
32973	incompetent
1089	account
22306	incipient
3429	stages
5124	useful
4560	structures
807	shown
1206	hope
790	great
2125	difficulty
747	head
1205	good
1478	opportunity
659	thus
6582	afforded
4234	enlarging
10254	gradations
679	structure
856	associated
305	strange
1024	functions
427	subject
5947	treated
3948	sufficient
1758	length
116	former
9358	editions
558	work
5010	briefly
28682	recapitulate
5213	foregoing
2643	cases
43977	giraffe
649	continued
13231	preservation
2142	individuals
3469	extinct
1831	reaching
64882	ruminant
7213	longest
9093	necks
743	legs
197	etc
53902	browse
1902	average
1347	height
649	continued
3894	destruction
53902	browse
32912	sufficed
9506	production
841	remarkable
7068	quadruped
2583	prolonged
7	use
748	parts
1200	inheritance
7820	aided
1296	manner
388	co
20298	ordination
1699	insects
3354	imitate
6	various
502	objects
35033	improbability
5542	belief
4983	accidental
7383	resemblance
733	common
1661	object
2331	case
853	foundation
558	work
4	natural
6819	selection
1058	perfected
2255	occasional
13231	preservation
972	slight
6816	variations
413	made
7383	resemblance
898	closer
3238	carried
1083	insect
649	continued
847	vary
947	perfect
7383	resemblance
441	led
1157	escape
5295	sharp
5735	sighted
2029	enemies
1330	species
7176	whales
2424	tendency
7639	formation
565	irregular
2438	points
769	horn
7890	palate
1193	seems
21438	scope
4	natural
6819	selection
1518	preserve
14207	favourable
6816	variations
2438	points
5392	converted
67580	lamellated
23216	knobs
1225	teeth
318	beak
7840	goose
21427	lamellae
2897	domestic
4373	ducks
21427	lamellae
947	perfect
67583	shoveller
5578	duck
4184	finally
2752	gigantic
5931	plates
63796	baleen
749	mouth
38251	greenland
19603	whale
1161	family
4373	ducks
21427	lamellae
1225	teeth
1993	partly
1225	teeth
1993	partly
15568	sifting
3560	apparatus
842	exclusively
2330	latter
1091	purpose
4560	structures
21427	lamellae
769	horn
51286	whalebone
479	habit
7	use
5210	judge
955	development
418	hand
67318	transportal
1879	lower
1315	eye
1789	flat
355	fish
1040	upper
1503	side
747	head
7639	formation
64416	prehensile
3136	tail
7011	attributed
716	wholly
649	continued
7	use
1200	inheritance
968	respect
64421	mammae
1027	higher
293	animals
855	probable
18602	conjecture
67477	primordially
38772	cutaneous
7171	glands
935	surface
46154	marsupial
3259	sack
3012	secreted
3812	nutritious
672	fluid
7171	glands
7729	improved
5970	function
4	natural
6819	selection
10607	concentrated
5200	confined
2433	area
2331	case
981	formed
12978	mamma
2125	difficulty
6479	understanding
13295	branched
2931	spines
4347	ancient
67655	echinoderm
6266	served
2084	defence
4676	became
946	developed
4	natural
6819	selection
67617	tridactyle
67616	pedicellariae
6479	understanding
955	development
9660	pincers
3728	crustaceans
972	slight
7438	serviceable
8343	modifications
13737	ultimate
64865	penultimate
3742	segments
2311	limb
5258	solely
1590	locomotion
67629	avicularia
67638	vibracula
67628	polyzoa
1589	organs
2585	widely
1615	appearance
946	developed
3597	source
67638	vibracula
5860	understand
3697	successive
10254	gradations
5228	service
67643	pollinia
1886	orchids
3011	threads
6818	originally
6266	served
13180	tie
5829	pollen
619	grains
3431	traced
67656	cohering
67657	caudicles
3175	steps
1189	followed
45533	viscid
428	matter
3012	secreted
67319	stigmas
1264	ordinary
588	flowers
67658	subserving
813	nearly
1091	purpose
4676	became
615	attached
2000	free
610	ends
67657	caudicles
10254	gradations
2346	manifest
5125	benefit
447	plants
577	question
968	respect
1480	climbing
447	plants
6744	repeat
2359	lately
867	said
8041	asked
4	natural
6819	selection
12787	potent
876	why
679	structure
4874	gained
1330	species
2022	apparently
6869	advantageous
12574	unreasonable
8353	expect
4478	precise
579	answer
6123	questions
9899	ignorance
5	history
1330	species
539	conditions
967	day
4283	determine
1159	numbers
443	range
2643	cases
915	general
8492	reasons
2643	cases
8492	reasons
10005	assigned
659	thus
6828	adapt
1330	species
1240	habits
74	life
388	co
21013	ordinated
8343	modifications
4439	indispensable
5248	happened
19364	requisite
748	parts
847	vary
1296	manner
2069	degree
1330	species
5183	prevented
2767	increasing
1159	numbers
826	destructive
24479	agencies
4332	stood
313	relation
4560	structures
5929	imagine
4874	gained
4	natural
6819	selection
4475	appearing
6869	advantageous
1330	species
2331	case
3075	struggle
74	life
5107	depend
4560	structures
1601	acquired
4	natural
6819	selection
2643	cases
6319	complex
4096	enduring
539	conditions
1567	peculiar
439	nature
485	necessary
955	development
679	structure
19364	requisite
539	conditions
2322	seldom
19225	concurred
5542	belief
1510	given
679	structure
1260	think
2355	erroneously
3880	beneficial
1330	species
4874	gained
2364	circumstances
4	natural
6819	selection
12744	opposed
5860	understand
1296	manner
469	action
390	mr
7532	mivart
11398	deny
4	natural
6819	selection
1531	effected
8776	considers
67659	demonstrably
4972	insufficient
1089	account
445	phenomena
2177	explain
7200	agency
86	chief
17001	arguments
2092	considered
1025	others
2995	hereafter
2092	considered
1125	seem
5215	partake
35	character
11720	demonstration
1973	weight
2675	comparison
9755	favour
1627	power
4	natural
6819	selection
7820	aided
24479	agencies
9427	specified
1165	bound
2976	add
1651	facts
17001	arguments
2738	advanced
1091	purpose
1172	able
2893	article
2359	lately
2437	published
28765	medico
45119	chirurgical
18872	review
967	day
415	naturalists
5314	admit
7048	evolution
838	form
390	mr
7532	mivart
7826	believes
1330	species
889	change
3013	internal
2245	force
2424	tendency
1749	pretended
664	known
1330	species
10107	capacity
889	change
1301	admitted
67611	evolutionists
1193	seems
22464	invoke
3013	internal
2245	force
2424	tendency
1264	ordinary
2122	variability
3277	aid
6819	selection
303	man
1510	given
949	rise
4233	adapted
2897	domestic
2117	races
3277	aid
4	natural
6819	selection
3209	equally
13	give
949	rise
6919	graduated
3175	steps
4	natural
2117	races
1330	species
544	final
1363	result
1538	generally
8494	explained
2814	advance
2643	cases
32630	retrogression
12920	organisation
390	mr
7532	mivart
1012	further
2547	inclined
5363	believe
415	naturalists
993	agree
1330	species
2346	manifest
10610	suddenness
8343	modifications
4475	appearing
3282	instance
27280	supposes
2147	differences
3469	extinct
9191	toed
67660	hipparion
2870	horse
9935	arose
1099	suddenly
2119	thinks
1242	difficult
5363	believe
3875	wing
321	bird
946	developed
1062	comparatively
2079	sudden
973	modification
437	marked
958	kind
2022	apparently
1795	extend
4991	view
742	wings
345	bats
67661	pterodactyles
6630	conclusion
5343	implies
790	great
3585	breaks
67662	discontinuity
951	series
851	appears
5622	improbable
2041	highest
2069	degree
7826	believes
1818	slow
1642	gradual
7048	evolution
954	course
5314	admit
7817	specific
952	changes
10518	abrupt
790	great
2168	single
2174	variation
2188	meet
439	nature
2345	domestication
1330	species
925	variable
2017	domesticated
3435	cultivated
4	natural
539	conditions
855	probable
790	great
10518	abrupt
6816	variations
7767	occurred
439	nature
664	known
1744	occasionally
5952	arise
2345	domestication
2330	latter
6816	variations
7011	attributed
3205	reversion
7165	characters
659	thus
14156	reappear
855	probable
2643	cases
4874	gained
1642	gradual
1296	manner
731	greater
2554	number
661	called
56385	monstrosities
16105	fingered
276	men
8213	porcupine
276	men
67218	ancon
3885	sheep
67567	niata
4989	cattle
197	etc
2585	widely
35	character
4	natural
1330	species
1626	throw
3104	light
427	subject
7668	excluding
2643	cases
10518	abrupt
6816	variations
656	remain
1271	constitute
670	found
1032	state
439	nature
7308	doubtful
1330	species
796	closely
592	related
2820	parental
2727	types
8492	reasons
2254	doubting
4	natural
1330	species
1086	changed
7075	abruptly
1744	occasionally
2897	domestic
2117	races
781	entirely
65515	disbelieving
1086	changed
327	wonderful
1296	manner
7735	indicated
390	mr
7532	mivart
5322	follows
1123	according
1364	experience
10518	abrupt
800	strongly
437	marked
6816	variations
1798	occur
2017	domesticated
26943	productions
1163	singly
3213	intervals
607	time
7767	occurred
439	nature
4608	liable
2647	formerly
8494	explained
465	lost
4983	accidental
6065	causes
3894	destruction
2440	subsequent
67060	intercrossing
664	known
2345	domestication
10518	abrupt
6816	variations
958	kind
2204	specially
6438	preserved
942	separated
1237	care
303	man
2289	hence
534	order
1330	species
1099	suddenly
860	appear
1296	manner
4480	supposed
390	mr
7532	mivart
485	necessary
5363	believe
6360	opposition
2239	analogy
6376	wonderfully
1086	changed
2142	individuals
886	appeared
1526	simultaneously
5738	district
2125	difficulty
2331	case
5479	unconscious
6819	selection
303	man
7515	avoided
6055	theory
1642	gradual
7048	evolution
13231	preservation
2554	number
2142	individuals
2137	varied
14207	favourable
2073	direction
3894	destruction
2554	number
2137	varied
583	opposite
1296	manner
1330	species
5919	evolved
2232	extremely
1642	gradual
1296	manner
2709	hardly
3896	doubt
1330	species
6233	genera
4	natural
2718	families
796	closely
797	allied
1242	difficult
877	distinguish
6973	continent
4183	proceeding
2278	north
2627	south
21223	lowland
23145	upland
197	etc
2188	meet
8217	host
796	closely
592	related
4848	representative
1330	species
2115	distinct
15296	continents
1765	reason
5363	believe
2647	formerly
3553	connected
1422	making
2086	remarks
7373	compelled
8411	allude
6795	subjects
2995	hereafter
11363	discussed
1851	look
7286	outlying
1333	islands
6973	continent
486	see
6224	inhabitants
1516	raised
1570	rank
7308	doubtful
1330	species
1851	look
884	times
6049	compare
1330	species
2076	passed
22441	areas
6049	compare
6834	fossil
1330	species
7813	embedded
7271	sub
3429	stages
6220	geological
7639	formation
815	indeed
2346	manifest
11493	multitudes
1330	species
592	related
15800	closest
1296	manner
1330	species
875	exist
2359	lately
5061	existed
2709	hardly
6896	maintained
1330	species
946	developed
10518	abrupt
2079	sudden
1296	manner
8214	forgotten
1851	look
748	parts
797	allied
1330	species
2785	instead
2115	distinct
1330	species
2552	numerous
6376	wonderfully
627	fine
10254	gradations
3431	traced
23335	connecting
2585	widely
4560	structures
2830	groups
1651	facts
11717	intelligible
1151	principle
1330	species
5919	evolved
3175	steps
3282	instance
714	fact
1330	species
16	included
712	larger
6233	genera
796	closely
592	related
731	greater
2554	number
2149	varieties
1330	species
1353	smaller
6233	genera
116	former
11172	grouped
4653	clusters
2149	varieties
1330	species
6750	analogies
2149	varieties
807	shown
2851	chapter
1151	principle
5860	understand
7817	specific
7165	characters
925	variable
18590	generic
7165	characters
748	parts
946	developed
6094	extraordinary
2069	degree
1296	manner
925	variable
748	parts
1330	species
3285	analogous
1651	facts
2531	pointing
2073	direction
901	added
1330	species
1438	certainly
40	produced
3175	steps
731	greater
780	separating
627	fine
2149	varieties
6896	maintained
946	developed
10518	abrupt
1296	manner
11465	admission
413	made
2341	strong
1238	evidence
10005	assigned
11709	vague
845	respects
2006	false
6750	analogies
807	shown
390	mr
27558	chauncey
92	wright
2738	advanced
9755	favour
4991	view
2079	sudden
13296	crystallisation
8500	inorganic
691	substances
2105	falling
67663	facetted
67664	spheroid
67665	facet
2709	hardly
3723	deserve
5118	consideration
3195	class
1651	facts
7117	namely
2079	sudden
1615	appearance
2115	distinct
2162	forms
74	life
6220	geological
41338	formations
7662	supports
3311	sight
5542	belief
10518	abrupt
955	development
463	value
1238	evidence
5261	depends
781	entirely
6148	perfection
6220	geological
5402	record
313	relation
843	periods
4174	remote
5	history
535	world
5402	record
43513	fragmentary
43329	geologists
33607	strenuously
5157	assert
305	strange
2162	forms
4475	appearing
1099	suddenly
946	developed
5314	admit
8348	transformations
1391	prodigious
25630	advocated
390	mr
7532	mivart
2079	sudden
955	development
742	wings
294	birds
345	bats
2079	sudden
11451	conversion
67660	hipparion
2870	horse
2709	hardly
3104	light
2694	thrown
5542	belief
10518	abrupt
8343	modifications
28610	deficiency
23335	connecting
4343	links
6220	geological
41338	formations
5542	belief
10518	abrupt
952	changes
67157	embryology
4244	enters
2341	strong
7613	protest
14343	notorious
742	wings
294	birds
345	bats
743	legs
2741	horses
7260	quadrupeds
12044	undistinguishable
46159	embryonic
2772	period
644	become
18025	differentiated
15352	insensibly
627	fine
3175	steps
67161	embryological
367	resemblances
2013	kinds
7523	accounted
2995	hereafter
486	see
18252	progenitors
1138	existing
1330	species
2137	varied
561	youth
7954	transmitted
10727	newly
1601	acquired
7165	characters
1814	offspring
7029	corresponding
1829	age
17631	embryo
659	thus
24778	unaffected
2002	serves
5402	record
725	condition
1330	species
2289	hence
1138	existing
1330	species
3429	stages
955	development
1957	resemble
4347	ancient
3469	extinct
2162	forms
5238	belonging
3195	class
4991	view
3778	meaning
67161	embryological
367	resemblances
815	indeed
4991	view
16114	incredible
67	animal
3668	undergone
32654	momentous
10518	abrupt
8348	transformations
7735	indicated
1969	bear
905	trace
46159	embryonic
725	condition
2079	sudden
973	modification
3239	detail
679	structure
946	developed
15352	insensibly
627	fine
3175	steps
7826	believes
4347	ancient
838	form
5886	transformed
1099	suddenly
3013	internal
2245	force
2424	tendency
3282	instance
4975	furnished
742	wings
7373	compelled
1563	assume
6360	opposition
2239	analogy
2142	individuals
2137	varied
1526	simultaneously
13766	denied
10518	abrupt
790	great
952	changes
679	structure
2585	widely
1330	species
2022	apparently
3668	undergone
1012	further
7373	compelled
5363	believe
4560	structures
5797	beautifully
4233	adapted
748	parts
736	creature
4147	surrounding
539	conditions
1099	suddenly
40	produced
6319	complex
327	wonderful
388	co
7024	adaptations
1172	able
21596	assign
4249	shadow
6958	explanation
7901	forced
5314	admit
790	great
2079	sudden
8348	transformations
905	trace
469	action
17631	embryo
5314	admit
1193	seems
874	enter
27408	realms
1145	miracle
2026	leave
392	science
2851	chapter
260	viii
1174	instinct
3187	instincts
4795	comparable
1240	habits
2474	origin
3187	instincts
6919	graduated
6866	aphides
336	ants
3187	instincts
925	variable
2897	domestic
3187	instincts
2474	origin
4	natural
3187	instincts
4554	cuckoo
67149	molothrus
3488	ostrich
1885	parasitic
5346	bees
6895	slave
1422	making
336	ants
5866	hive
3942	bee
3407	cell
1422	making
1174	instinct
952	changes
1174	instinct
679	structure
5327	necessarily
17118	simultaneous
1276	difficulties
6055	theory
4	natural
6819	selection
3187	instincts
6809	neuter
32691	sterile
1699	insects
22545	summary
3187	instincts
327	wonderful
955	development
860	appear
5352	reader
2125	difficulty
3948	sufficient
32509	overthrow
6055	theory
38895	premise
2474	origin
6194	mental
508	powers
74	life
6076	concerned
37793	diversities
1174	instinct
6194	mental
2087	faculties
293	animals
3195	class
2033	attempt
6988	definition
1174	instinct
914	easy
1725	show
2115	distinct
6194	mental
511	actions
1561	commonly
7711	embraced
2481	term
39552	understands
2074	meant
867	said
1174	instinct
67666	impels
4554	cuckoo
3595	migrate
1090	lay
753	eggs
294	birds
311	nests
469	action
1641	require
1364	experience
3127	enable
6633	perform
1146	performed
67	animal
1731	especially
21	young
1364	experience
1146	performed
2142	individuals
10159	knowing
1091	purpose
1146	performed
867	said
6191	instinctive
1725	show
7165	characters
3463	universal
14255	dose
6701	judgment
1765	reason
6900	pierre
5923	huber
19566	expresses
2637	comes
5809	play
293	animals
1788	low
1028	scale
439	nature
17411	frederick
2090	cuvier
8388	older
6897	metaphysicians
894	compared
1174	instinct
479	habit
2675	comparison
695	gives
1260	think
6277	accurate
1319	notion
475	frame
2443	mind
6191	instinctive
469	action
1146	performed
5327	necessarily
2474	origin
11118	unconsciously
2450	habitual
511	actions
1146	performed
815	indeed
1373	rarely
1304	direct
6360	opposition
6727	conscious
6124	modified
1765	reason
1240	habits
941	easily
644	become
856	associated
1240	habits
843	periods
607	time
125	states
739	body
1601	acquired
656	remain
3137	constant
74	life
2438	points
7383	resemblance
3187	instincts
1240	habits
5572	pointed
12396	repeating
664	known
572	song
3187	instincts
469	action
5322	follows
802	sort
22429	rhythm
4350	person
4012	interrupted
572	song
12396	repeating
63167	rote
1538	generally
7901	forced
1824	go
3340	recover
2450	habitual
6768	train
1672	thought
5923	huber
670	found
3617	caterpillar
1961	makes
1000	complicated
49648	hammock
1754	took
3617	caterpillar
2996	completed
49648	hammock
548	say
2850	sixth
2798	stage
2354	construction
640	put
49648	hammock
2996	completed
79	third
2798	stage
3617	caterpillar
911	simply
1146	performed
5956	fourth
5957	fifth
2850	sixth
3429	stages
2354	construction
3617	caterpillar
976	taken
49648	hammock
413	made
3282	instance
79	third
2798	stage
640	put
4134	finished
2850	sixth
2798	stage
558	work
35873	deriving
5125	benefit
1547	embarrassed
534	order
4774	complete
49648	hammock
2098	seemed
7901	forced
39	start
79	third
2798	stage
1565	where
659	thus
2081	tried
4774	complete
4134	finished
558	work
2309	suppose
2450	habitual
469	action
644	become
6959	inherited
807	shown
650	happen
7383	resemblance
6818	originally
479	habit
1174	instinct
762	becomes
2971	distinguished
62923	mozart
2785	instead
3746	playing
39872	pianoforte
436	years
359	old
6376	wonderfully
3082	practice
2100	played
12252	tune
3082	practice
3138	truly
867	said
10661	instinctively
576	serious
18323	error
2309	suppose
731	greater
2554	number
3187	instincts
1601	acquired
479	habit
1246	generation
7954	transmitted
1200	inheritance
3343	succeeding
2811	generations
2751	clearly
807	shown
327	wonderful
3187	instincts
5916	acquainted
7117	namely
5866	hive
3942	bee
336	ants
3333	possibly
1601	acquired
479	habit
20962	universally
1301	admitted
3187	instincts
37844	corporeal
4560	structures
5119	welfare
1330	species
539	conditions
74	life
1086	changed
539	conditions
74	life
972	slight
8343	modifications
1174	instinct
12100	profitable
1330	species
807	shown
3187	instincts
847	vary
486	see
2125	difficulty
4	natural
6819	selection
39783	preserving
4865	continually
13452	accumulating
6816	variations
1174	instinct
1341	extent
12100	profitable
659	thus
5363	believe
6319	complex
327	wonderful
3187	instincts
1299	originated
8343	modifications
37844	corporeal
679	structure
5952	arise
5105	increased
7	use
479	habit
1354	diminished
465	lost
10544	disuse
3896	doubt
3187	instincts
5363	believe
17321	effects
479	habit
2643	cases
23757	subordinate
795	importance
17321	effects
4	natural
6819	selection
661	called
3519	spontaneous
6816	variations
3187	instincts
6816	variations
40	produced
1191	unknown
6065	causes
887	produce
972	slight
28622	deviations
4111	bodily
679	structure
6319	complex
1174	instinct
3333	possibly
40	produced
4	natural
6819	selection
1818	slow
1642	gradual
4302	accumulation
2552	numerous
972	slight
12100	profitable
6816	variations
2289	hence
2331	case
37844	corporeal
4560	structures
540	find
439	nature
5274	actual
18118	transitional
10254	gradations
6319	complex
1174	instinct
1601	acquired
670	found
67166	lineal
3200	ancestors
1330	species
540	find
23505	collateral
4263	lines
5736	descent
1238	evidence
10254	gradations
1172	able
1725	show
10254	gradations
958	kind
1438	certainly
4220	surprised
540	find
1422	making
7056	allowance
3187	instincts
293	animals
2202	observed
7317	europe
2278	north
1254	america
1174	instinct
664	known
3469	extinct
1330	species
1538	generally
10254	gradations
4633	leading
6319	complex
3187	instincts
2396	discovered
952	changes
1174	instinct
7450	facilitated
1330	species
3187	instincts
843	periods
74	life
4948	seasons
2658	year
750	placed
2364	circumstances
197	etc
2331	case
1174	instinct
6438	preserved
4	natural
6819	selection
2746	instances
7466	diversity
1174	instinct
1330	species
807	shown
1798	occur
439	nature
2331	case
37844	corporeal
679	structure
28013	conformably
6055	theory
1174	instinct
1330	species
1205	good
5210	judge
40	produced
6993	exclusive
1205	good
1025	others
2186	strongest
2746	instances
67	animal
2022	apparently
3916	performing
469	action
1554	sole
1205	good
5916	acquainted
6866	aphides
13547	voluntarily
850	yielding
2202	observed
5923	huber
5491	sweet
22180	excretion
336	ants
13547	voluntarily
1651	facts
1725	show
4308	removed
336	ants
2846	group
1329	dozen
6866	aphides
6881	dock
621	plant
5183	prevented
6249	attendance
668	hours
6882	interval
2452	felt
6866	aphides
2801	want
6883	excrete
1742	watched
607	time
7703	lens
67316	excreted
53395	tickled
6884	stroked
1821	hair
1296	manner
336	ants
54287	antennae
67316	excreted
4367	afterwards
667	allowed
339	ant
1279	visit
2098	seemed
2981	eager
868	running
2224	aware
3721	rich
5593	flock
2396	discovered
4489	began
5809	play
54287	antennae
3827	abdomen
6877	aphis
2452	felt
54287	antennae
6356	lifted
3827	abdomen
67316	excreted
15786	limpid
1155	drop
5491	sweet
6890	juice
6213	eagerly
975	devoured
339	ant
21	young
6866	aphides
6747	behaved
1296	manner
2301	showing
469	action
6191	instinctive
1363	result
1364	experience
474	observations
5923	huber
6866	aphides
1725	show
11233	dislike
336	ants
2330	latter
7373	compelled
7366	eject
22180	excretion
22180	excretion
2232	extremely
45533	viscid
3896	doubt
1233	convenience
6866	aphides
4308	removed
834	therefore
6883	excrete
5258	solely
1205	good
336	ants
1238	evidence
67	animal
7012	performs
469	action
6993	exclusive
1205	good
1330	species
3763	tries
953	take
3092	advantage
3187	instincts
1025	others
878	takes
3092	advantage
3808	weaker
4111	bodily
679	structure
1330	species
3187	instincts
2092	considered
3126	absolutely
947	perfect
6559	details
2438	points
4439	indispensable
2076	passed
2069	degree
2174	variation
3187	instincts
1032	state
439	nature
1200	inheritance
6816	variations
4439	indispensable
469	action
4	natural
6819	selection
2746	instances
1510	given
2801	want
1057	space
5903	prevents
5157	assert
3187	instincts
1438	certainly
847	vary
3282	instance
3966	migratory
1174	instinct
1341	extent
2073	direction
5891	total
6045	loss
311	nests
294	birds
847	vary
1993	partly
6916	dependence
3638	situations
4186	chosen
439	nature
985	temperature
1093	country
2648	inhabited
6065	causes
716	wholly
1191	unknown
4327	audubon
1510	given
841	remarkable
2643	cases
2147	differences
311	nests
1330	species
3752	northern
4097	southern
124	united
125	states
876	why
8041	asked
1174	instinct
925	variable
3076	granted
3942	bee
6983	ability
7	use
424	material
5856	wax
9646	deficient
4	natural
424	material
5346	bees
7	use
558	work
417	seen
5856	wax
8742	hardened
35278	vermilion
8185	softened
28280	lard
341	andrew
19788	knight
2202	observed
5346	bees
2785	instead
1977	laboriously
1291	collecting
5908	propolis
23278	cement
5856	wax
45556	turpentine
740	covered
67667	decorticated
1377	trees
2359	lately
807	shown
5346	bees
2785	instead
3713	searching
5829	pollen
15402	gladly
7	use
658	substance
7117	namely
15625	oatmeal
4098	fear
2917	particular
2056	enemy
1438	certainly
6191	instinctive
11549	quality
417	seen
51129	nestling
294	birds
6500	strengthened
1364	experience
3311	sight
4098	fear
2056	enemy
293	animals
4098	fear
303	man
1833	slowly
1601	acquired
3468	elsewhere
807	shown
6	various
293	animals
2476	inhabit
3361	desert
1333	islands
486	see
3282	instance
174	england
731	greater
4468	wildness
294	birds
2675	comparison
294	birds
294	birds
15553	persecuted
303	man
1218	safely
7016	attribute
731	greater
4468	wildness
294	birds
3893	cause
15731	uninhabited
1333	islands
294	birds
3067	fearful
5369	magpie
4476	wary
174	england
2705	tame
9665	norway
44775	hooded
4553	crow
17393	egypt
6194	mental
5331	qualities
293	animals
958	kind
1140	born
1032	state
439	nature
847	vary
807	shown
1651	facts
2643	cases
2248	adduced
2255	occasional
305	strange
1240	habits
343	wild
293	animals
6869	advantageous
1330	species
1510	given
949	rise
4	natural
6819	selection
3187	instincts
2224	aware
915	general
1780	statements
1651	facts
3239	detail
887	produce
7246	feeble
5087	effect
5352	reader
2443	mind
6744	repeat
12921	assurance
2842	speak
1205	good
1238	evidence
6959	inherited
952	changes
479	habit
1174	instinct
2017	domesticated
293	animals
9485	possibility
2219	probability
6959	inherited
6816	variations
1174	instinct
1032	state
439	nature
6500	strengthened
5010	briefly
2643	cases
2345	domestication
659	thus
3358	enabled
486	see
839	part
479	habit
6819	selection
661	called
3519	spontaneous
6816	variations
2100	played
40741	modifying
6194	mental
5331	qualities
2897	domestic
293	animals
14343	notorious
2897	domestic
293	animals
847	vary
6194	mental
5331	qualities
8329	cats
3282	instance
1683	naturally
878	takes
5807	catching
8864	rats
2827	mice
8725	tendencies
664	known
6959	inherited
3423	cat
1123	according
390	mr
6536	st
128	john
2657	brought
5299	game
294	birds
12689	hares
2828	rabbits
1869	hunted
13239	marshy
626	ground
14185	nightly
1657	caught
58796	woodcocks
67307	snipes
2554	number
1918	curious
19014	authentic
2746	instances
1510	given
6	various
7138	shades
1198	disposition
6286	taste
3381	oddest
1719	tricks
856	associated
16902	frames
2443	mind
843	periods
607	time
1506	let
1851	look
2456	familiar
2331	case
5047	breeds
5673	dogs
1560	doubted
21	young
59136	pointers
417	seen
1889	striking
2746	instances
223	point
5673	dogs
607	time
976	taken
65402	retrieving
1438	certainly
2069	degree
6959	inherited
67668	retrievers
2424	tendency
1476	run
2785	instead
5593	flock
3885	sheep
5672	shepherd
5673	dogs
486	see
511	actions
1146	performed
1364	experience
21	young
813	nearly
1296	manner
2143	individual
1146	performed
2981	eager
569	delight
4602	breed
612	end
664	known
21	young
49321	pointer
420	know
2438	points
3277	aid
3398	master
411	white
3925	butterfly
965	knows
876	why
752	lays
753	eggs
334	leaf
40077	cabbage
486	see
511	actions
994	differ
484	essentially
3187	instincts
5592	behold
958	kind
4089	wolf
21	young
13002	training
5492	scented
332	prey
513	stand
3569	motionless
13953	statue
1833	slowly
3571	crawl
1507	forward
1567	peculiar
1475	gait
958	kind
4089	wolf
6732	rushing
2785	instead
4997	herd
2742	deer
2560	driving
1595	distant
223	point
10576	assuredly
1113	call
511	actions
6191	instinctive
2897	domestic
3187	instincts
661	called
1438	certainly
604	fixed
4	natural
3187	instincts
5751	acted
22593	rigorous
6819	selection
7954	transmitted
33207	incomparably
1350	shorter
2772	period
604	fixed
539	conditions
74	life
800	strongly
2897	domestic
3187	instincts
1240	habits
27451	dispositions
6959	inherited
6933	curiously
644	become
10618	mingled
807	shown
5047	breeds
5673	dogs
2356	crossed
659	thus
664	known
6474	cross
10423	bull
2093	dog
5522	affected
2811	generations
4860	courage
10701	obstinacy
59182	greyhounds
6474	cross
65262	greyhound
1510	given
1161	family
5672	shepherd
5673	dogs
2424	tendency
5133	hunt
12689	hares
2897	domestic
3187	instincts
659	thus
533	tested
5793	crossing
1957	resemble
4	natural
3187	instincts
1296	manner
644	become
6933	curiously
5750	blended
2772	period
2393	exhibit
6836	traces
3187	instincts
2955	parent
699	example
9290	le
23976	roy
1426	describes
2093	dog
790	great
13948	grandfather
4089	wolf
2093	dog
4359	showed
905	trace
343	wild
15008	parentage
2943	coming
1852	straight
3915	line
3398	master
661	called
2897	domestic
3187	instincts
5841	spoken
511	actions
644	become
6959	inherited
5258	solely
649	continued
19322	compulsory
479	habit
1672	thought
16911	teaching
1175	taught
7262	tumbler
2869	pigeon
24291	tumble
469	action
2672	witnessed
1146	performed
21	young
294	birds
417	seen
2869	pigeon
24291	tumble
5363	believe
2869	pigeon
4359	showed
972	slight
2424	tendency
305	strange
479	habit
649	continued
6819	selection
2142	individuals
3697	successive
2811	generations
413	made
28374	tumblers
23226	glasgow
3901	house
28374	tumblers
550	hear
390	mr
42528	brent
962	fly
1610	eighteen
1345	inches
2892	going
747	head
9084	heels
1560	doubted
1672	thought
13002	training
2093	dog
223	point
2093	dog
1683	naturally
807	shown
2424	tendency
3915	line
664	known
1744	occasionally
650	happen
338	saw
719	pure
16854	terrier
1178	act
2531	pointing
1672	thought
6684	exaggerated
4282	pause
67	animal
4880	preparing
879	spring
332	prey
2424	tendency
223	point
4361	displayed
3964	methodical
6819	selection
6959	inherited
17321	effects
19322	compulsory
13002	training
3697	successive
1246	generation
4774	complete
558	work
5479	unconscious
6819	selection
1528	progress
303	man
3763	tries
19184	procure
8633	intending
7716	improve
4602	breed
5673	dogs
513	stand
5133	hunt
418	hand
479	habit
2643	cases
32912	sufficed
2709	hardly
67	animal
1242	difficult
2705	tame
21	young
343	wild
8334	rabbit
4280	scarcely
67	animal
48788	tamer
21	young
2705	tame
8334	rabbit
2709	hardly
2309	suppose
2897	domestic
2828	rabbits
285	selected
52140	tameness
7016	attribute
731	greater
839	part
6959	inherited
889	change
1176	extreme
4468	wildness
1176	extreme
52140	tameness
479	habit
649	continued
7465	confinement
4	natural
3187	instincts
465	lost
2345	domestication
841	remarkable
3282	instance
417	seen
5047	breeds
4325	fowls
1373	rarely
644	become
67669	broody
6119	wish
3208	sit
753	eggs
7492	familiarity
5903	prevents
1751	seeing
4596	largely
16695	permanently
2462	minds
2897	domestic
293	animals
6124	modified
4280	scarcely
3896	doubt
557	love
303	man
644	become
6191	instinctive
2093	dog
9109	wolves
4607	foxes
38661	jackals
1330	species
3423	cat
2434	genus
984	kept
2705	tame
2981	eager
2075	attack
5176	poultry
3885	sheep
9678	pigs
2424	tendency
670	found
26029	incurable
5673	dogs
2657	brought
40031	puppies
7142	countries
7085	tierra
7086	del
7087	fuego
3225	australia
1565	where
3493	savages
823	keep
2897	domestic
293	animals
1373	rarely
418	hand
51239	civilised
5673	dogs
21	young
1641	require
1175	taught
2075	attack
5176	poultry
3885	sheep
9678	pigs
3896	doubt
1744	occasionally
473	make
2075	attack
765	beaten
15701	cured
2797	destroyed
479	habit
2069	degree
6819	selection
19225	concurred
67670	civilising
1200	inheritance
5673	dogs
418	hand
21	young
2856	chickens
465	lost
716	wholly
479	habit
4098	fear
2093	dog
3423	cat
3896	doubt
6818	originally
6191	instinctive
2638	informed
9700	captain
63867	hutton
21	young
2856	chickens
2955	parent
3020	stock
67182	gallus
67183	bankiva
3500	reared
7284	india
751	hen
6668	excessively
343	wild
21	young
47363	pheasants
3500	reared
174	england
751	hen
2856	chickens
465	lost
4098	fear
4098	fear
5673	dogs
8329	cats
751	hen
695	gives
1470	danger
67671	chuckle
1476	run
1731	especially
21	young
3472	turkeys
4321	conceal
4147	surrounding
2416	grass
20845	thickets
1762	evidently
6191	instinctive
1091	purpose
4928	allowing
486	see
343	wild
626	ground
294	birds
1199	mother
962	fly
1174	instinct
8434	retained
2856	chickens
644	become
5281	useless
2345	domestication
1199	mother
751	hen
465	lost
10544	disuse
1627	power
1644	flight
2289	hence
4410	conclude
2345	domestication
3187	instincts
1601	acquired
4	natural
3187	instincts
465	lost
1993	partly
479	habit
1993	partly
303	man
421	selecting
13452	accumulating
3697	successive
2811	generations
1567	peculiar
6194	mental
1240	habits
511	actions
886	appeared
9899	ignorance
1113	call
10009	accident
2643	cases
19322	compulsory
479	habit
32912	sufficed
887	produce
6959	inherited
6194	mental
952	changes
2643	cases
19322	compulsory
479	habit
1363	result
6819	selection
1477	pursued
10529	methodically
11118	unconsciously
2643	cases
479	habit
6819	selection
19225	concurred
3187	instincts
5860	understand
3187	instincts
1032	state
439	nature
644	become
6124	modified
6819	selection
2643	cases
7287	select
7117	namely
1174	instinct
1013	leads
4554	cuckoo
1090	lay
753	eggs
294	birds
311	nests
6895	slave
1422	making
1174	instinct
336	ants
3407	cell
1422	making
1627	power
5866	hive
3942	bee
2330	latter
3187	instincts
1538	generally
8711	justly
23458	ranked
415	naturalists
327	wonderful
664	known
3187	instincts
3187	instincts
4554	cuckoo
4480	supposed
415	naturalists
3353	immediate
3893	cause
1174	instinct
4554	cuckoo
752	lays
753	eggs
4542	daily
3213	intervals
259	days
473	make
340	nest
3208	sit
753	eggs
1185	laid
607	time
67672	unincubated
753	eggs
21	young
294	birds
5050	ages
340	nest
2331	case
648	process
3014	laying
3129	hatching
28028	inconveniently
1731	especially
67673	migrates
2772	period
991	hatched
21	young
2818	fed
1183	male
4554	cuckoo
34730	predicament
1961	makes
340	nest
753	eggs
21	young
6363	successively
991	hatched
607	time
1709	asserted
13766	denied
4554	cuckoo
1744	occasionally
752	lays
753	eggs
294	birds
311	nests
2359	lately
1404	heard
1355	dr
25190	merrill
24478	iowa
670	found
5545	illinois
21	young
4554	cuckoo
21	young
4552	jay
340	nest
4422	blue
4552	jay
67674	garrulus
64316	cristatus
813	nearly
498	full
5166	feathered
4328	mistake
5011	identification
13	give
2746	instances
6	various
294	birds
664	known
1744	occasionally
1090	lay
753	eggs
294	birds
311	nests
1506	let
2309	suppose
4347	ancient
18262	progenitor
1305	european
4554	cuckoo
1240	habits
4554	cuckoo
1744	occasionally
1185	laid
683	egg
321	bird
340	nest
359	old
321	bird
33742	profited
2255	occasional
479	habit
3358	enabled
34223	emigrate
1297	earlier
3893	cause
21	young
413	made
6448	vigorous
3092	advantage
976	taken
6673	mistaken
1174	instinct
1330	species
3500	reared
1199	mother
13772	encumbered
2709	hardly
2605	fail
753	eggs
21	young
5050	ages
607	time
359	old
294	birds
23405	fostered
21	young
5062	gain
3092	advantage
2239	analogy
4066	lead
5363	believe
21	young
659	thus
3500	reared
4583	apt
5123	follow
1200	inheritance
2255	occasional
48134	aberrant
479	habit
1199	mother
1697	turn
4583	apt
1090	lay
753	eggs
294	birds
311	nests
659	thus
1660	successful
2722	rearing
21	young
649	continued
648	process
439	nature
5363	believe
305	strange
1174	instinct
4554	cuckoo
7708	generated
4461	recently
7656	ascertained
3948	sufficient
1238	evidence
29916	adolf
27889	muller
4554	cuckoo
1744	occasionally
752	lays
753	eggs
5206	bare
626	ground
1848	sits
1171	feeds
21	young
1875	rare
4770	event
2331	case
3205	reversion
465	lost
42913	aboriginal
1174	instinct
67675	nidification
8387	objected
4180	noticed
592	related
3187	instincts
7024	adaptations
679	structure
4554	cuckoo
5841	spoken
5327	necessarily
388	co
21013	ordinated
2643	cases
18601	speculation
1174	instinct
664	known
2168	single
1330	species
5281	useless
10150	hitherto
1651	facts
6207	guide
4461	recently
3187	instincts
1305	european
8682	non
1885	parasitic
4554	cuckoo
664	known
3357	owing
390	mr
45404	ramsay
474	observations
6961	learned
3470	australian
1330	species
1090	lay
753	eggs
294	birds
311	nests
86	chief
2438	points
2272	referred
733	common
4554	cuckoo
1875	rare
3216	exceptions
752	lays
683	egg
340	nest
4090	voracious
21	young
321	bird
2065	receives
12684	ample
966	food
5040	secondly
753	eggs
1983	remarkably
1620	exceeding
52502	skylark
321	bird
5956	fourth
4554	cuckoo
885	size
683	egg
2331	case
6997	adaptation
8474	infer
714	fact
26191	mon
1885	parasitic
4554	cuckoo
3014	laying
498	full
3647	sized
753	eggs
5042	thirdly
21	young
4554	cuckoo
1813	birth
1174	instinct
1431	strength
1913	properly
3803	shaped
8001	ejecting
18092	foster
8268	brothers
4974	perish
634	cold
1843	hunger
1038	boldly
661	called
18332	beneficent
2496	arrangement
534	order
21	young
4554	cuckoo
919	get
3948	sufficient
966	food
18092	foster
8268	brothers
4974	perish
1601	acquired
6369	feeling
5070	turning
3470	australian
1330	species
294	birds
1538	generally
1090	lay
683	egg
340	nest
1875	rare
540	find
753	eggs
340	nest
13249	bronze
4554	cuckoo
753	eggs
847	vary
1414	greatly
885	size
2770	eight
1827	ten
4263	lines
1758	length
3092	advantage
1330	species
1185	laid
753	eggs
1353	smaller
1185	laid
5709	deceived
18092	foster
1203	parents
855	probable
991	hatched
1350	shorter
2772	period
1709	asserted
313	relation
885	size
753	eggs
2772	period
3197	incubation
2125	difficulty
1321	believing
3093	race
1330	species
981	formed
1185	laid
1353	smaller
1353	smaller
753	eggs
1218	safely
991	hatched
3500	reared
390	mr
45404	ramsay
2086	remarks
3470	australian
5309	cuckoos
1090	lay
753	eggs
340	nest
2346	manifest
2161	decided
5338	preference
311	nests
2273	containing
753	eggs
706	similar
9916	colour
1305	european
1330	species
2022	apparently
4419	manifests
2424	tendency
706	similar
1174	instinct
1373	rarely
53603	departs
807	shown
3014	laying
3648	dull
4598	pale
3288	coloured
753	eggs
340	nest
8897	hedge
4675	warbler
1095	bright
21234	greenish
4422	blue
753	eggs
4554	cuckoo
1454	invariably
4361	displayed
1174	instinct
10576	assuredly
901	added
2283	assumed
1601	acquired
753	eggs
3470	australian
13249	bronze
4554	cuckoo
847	vary
1123	according
390	mr
45404	ramsay
6094	extraordinary
2069	degree
9916	colour
968	respect
885	size
4	natural
6819	selection
5597	secured
604	fixed
6869	advantageous
2174	variation
2331	case
1305	european
4554	cuckoo
1814	offspring
18092	foster
1203	parents
1561	commonly
7376	ejected
340	nest
259	days
4554	cuckoo
991	hatched
2330	latter
1829	age
4287	helpless
725	condition
390	mr
5825	gould
2647	formerly
2547	inclined
5363	believe
1178	act
67676	ejection
1146	performed
18092	foster
1203	parents
5397	received
2265	trustworthy
1089	account
21	young
4554	cuckoo
2765	actually
417	seen
6082	blind
1172	able
1067	hold
747	head
1178	act
8001	ejecting
18092	foster
8268	brothers
2930	replaced
340	nest
1448	observer
2694	thrown
968	respect
553	means
305	strange
6075	odious
1174	instinct
1601	acquired
790	great
795	importance
21	young
4554	cuckoo
2331	case
2107	receive
966	food
1813	birth
486	see
2125	difficulty
945	gradually
1601	acquired
3697	successive
2811	generations
6082	blind
3113	desire
1431	strength
679	structure
485	necessary
558	work
67676	ejection
5309	cuckoos
1240	habits
679	structure
946	developed
3673	securely
3500	reared
1556	step
8503	acquisition
514	proper
1174	instinct
2116	mere
5171	unintentional
11525	restlessness
839	part
21	young
321	bird
1026	somewhat
2738	advanced
1829	age
1431	strength
479	habit
4367	afterwards
7729	improved
7954	transmitted
1297	earlier
1829	age
486	see
2125	difficulty
67299	unhatched
21	young
294	birds
21968	acquiring
1174	instinct
755	break
488	shells
21	young
347	snakes
21968	acquiring
1040	upper
2061	jaws
2213	owen
6129	remarked
12291	transitory
5295	sharp
3461	tooth
335	cutting
21296	tough
683	egg
839	part
4608	liable
2143	individual
6816	variations
5050	ages
6816	variations
5421	tend
6959	inherited
7029	corresponding
1297	earlier
1829	age
33907	propositions
18503	disputed
3187	instincts
679	structure
21	young
1833	slowly
6124	modified
6432	surely
1825	adult
2643	cases
513	stand
776	fall
6055	theory
4	natural
6819	selection
1330	species
67149	molothrus
2585	widely
2115	distinct
2434	genus
294	birds
797	allied
58797	starlings
1885	parasitic
1240	habits
4554	cuckoo
1330	species
429	interesting
67047	gradation
6148	perfection
3187	instincts
4342	sexes
67149	molothrus
63475	badius
1912	stated
1447	excellent
1448	observer
390	mr
5014	hudson
1653	live
65344	promiscuously
5117	flocks
2762	pair
1007	build
340	nest
1466	seize
5238	belonging
321	bird
1744	occasionally
1972	throwing
2823	nestlings
6397	stranger
1090	lay
753	eggs
340	nest
659	thus
4837	appropriated
3271	oddly
1007	build
1863	top
3208	sit
753	eggs
4175	rear
21	young
390	mr
5014	hudson
516	says
855	probable
1744	occasionally
1885	parasitic
417	seen
21	young
1330	species
359	old
294	birds
2115	distinct
958	kind
48528	clamouring
2818	fed
1885	parasitic
1240	habits
1330	species
67149	molothrus
67677	bonariensis
2089	highly
946	developed
947	perfect
321	bird
664	known
1454	invariably
752	lays
753	eggs
311	nests
1472	strangers
841	remarkable
1322	commence
1007	build
565	irregular
11176	untidy
340	nest
750	placed
1634	singular
4233	adapted
3638	situations
586	leaves
3882	thistle
390	mr
5014	hudson
7656	ascertained
4774	complete
340	nest
1090	lay
753	eggs
1828	fifteen
100	twenty
18092	foster
340	nest
3333	possibly
991	hatched
932	moreover
6094	extraordinary
479	habit
960	pecking
6423	holes
753	eggs
1330	species
18092	foster
1203	parents
540	find
4837	appropriated
311	nests
1155	drop
753	eggs
5206	bare
626	ground
659	thus
6495	wasted
79	third
1330	species
67678	pecoris
2278	north
1254	america
1601	acquired
3187	instincts
947	perfect
4554	cuckoo
752	lays
683	egg
18092	foster
340	nest
21	young
321	bird
3673	securely
3500	reared
390	mr
5014	hudson
2341	strong
67679	disbeliever
7048	evolution
851	appears
6185	struck
8027	imperfect
3187	instincts
67149	molothrus
67677	bonariensis
26208	quotes
523	words
5551	asks
5191	consider
1240	habits
1731	especially
7497	endowed
2826	created
3187	instincts
13362	consequences
915	general
3174	law
7117	namely
6008	transition
6	various
294	birds
6129	remarked
1744	occasionally
1090	lay
753	eggs
311	nests
294	birds
479	habit
4299	uncommon
67680	gallinaceae
1650	throws
3104	light
1634	singular
1174	instinct
3488	ostrich
1161	family
751	hen
294	birds
8408	unite
1090	lay
753	eggs
340	nest
991	hatched
1806	males
1174	instinct
7523	accounted
714	fact
3442	hens
3014	laying
2554	number
753	eggs
4554	cuckoo
3213	intervals
259	days
1174	instinct
3488	ostrich
2331	case
67149	molothrus
67677	bonariensis
1058	perfected
3166	surprising
2554	number
753	eggs
3275	lie
5723	strewed
1790	plains
967	day
3466	hunting
1665	picked
100	twenty
465	lost
6495	wasted
753	eggs
5346	bees
1885	parasitic
4947	regularly
1090	lay
753	eggs
311	nests
2013	kinds
5346	bees
2331	case
841	remarkable
4554	cuckoo
5346	bees
3187	instincts
679	structure
6124	modified
7448	accordance
1885	parasitic
1240	habits
1302	possess
5829	pollen
1291	collecting
3560	apparatus
4439	indispensable
4032	stored
966	food
21	young
1330	species
67681	sphegidae
331	wasp
1699	insects
1885	parasitic
6222	fabre
2359	lately
807	shown
1205	good
1765	reason
1321	believing
67682	tachytes
65117	nigra
1538	generally
1961	makes
3525	burrow
6681	stores
39192	paralysed
332	prey
22771	larvae
1083	insect
506	finds
3525	burrow
413	made
4032	stored
67683	sphex
878	takes
3092	advantage
11650	prize
762	becomes
1366	occasion
1885	parasitic
2331	case
67149	molothrus
4554	cuckoo
486	see
2125	difficulty
4	natural
6819	selection
1422	making
2255	occasional
479	habit
2361	permanent
3092	advantage
1330	species
1083	insect
340	nest
4032	stored
966	food
67684	feloniously
4837	appropriated
659	thus
7828	exterminated
6895	slave
1422	making
1174	instinct
841	remarkable
1174	instinct
2396	discovered
6842	formica
67685	polyerges
6904	rufescens
6900	pierre
5923	huber
1448	observer
17383	celebrated
1194	father
339	ant
3126	absolutely
6907	dependent
6908	slaves
3277	aid
1330	species
1438	certainly
644	become
3469	extinct
2168	single
2658	year
1806	males
7902	fertile
1710	females
558	work
958	kind
5193	workers
32691	sterile
1710	females
1594	energetic
2904	courageous
5241	capturing
6908	slaves
558	work
11414	incapable
1422	making
311	nests
964	feeding
22771	larvae
359	old
340	nest
670	found
14274	inconvenient
3595	migrate
6908	slaves
4283	determine
3963	migration
2765	actually
1711	carry
6917	masters
2061	jaws
10231	utterly
4287	helpless
6917	masters
5923	huber
7513	shut
2358	thirty
6895	slave
766	plenty
966	food
22771	larvae
67686	pupae
14414	stimulate
558	work
2821	feed
8359	perished
1843	hunger
5923	huber
6389	introduced
2168	single
6895	slave
6850	fusca
36	set
558	work
2818	fed
7123	saved
3085	survivors
413	made
3551	cells
2817	tended
22771	larvae
640	put
4413	rights
6094	extraordinary
7656	ascertained
1651	facts
664	known
6895	slave
1422	making
339	ant
8555	hopeless
6898	speculate
327	wonderful
1174	instinct
1058	perfected
1330	species
6842	formica
6924	sanguinea
2396	discovered
5923	huber
6895	slave
1422	making
339	ant
1330	species
670	found
4097	southern
748	parts
174	england
1240	habits
5192	attended
390	mr
3644	smith
5732	british
2200	museum
4833	indebted
696	information
6795	subjects
2536	fully
7354	trusting
1780	statements
5923	huber
390	mr
3644	smith
2081	tried
1469	approach
427	subject
38252	sceptical
475	frame
2443	mind
1283	excused
2254	doubting
844	existence
6094	extraordinary
1174	instinct
1422	making
6908	slaves
2289	hence
13	give
474	observations
413	made
3239	detail
2586	opened
5544	fourteen
311	nests
6924	sanguinea
670	found
6908	slaves
1806	males
7902	fertile
1710	females
6895	slave
1330	species
6850	fusca
670	found
514	proper
6785	communities
2202	observed
311	nests
6924	sanguinea
6908	slaves
410	black
1328	half
885	size
3760	red
6917	masters
7738	contrast
1615	appearance
790	great
340	nest
1495	slightly
3743	disturbed
6908	slaves
1744	occasionally
1070	come
6917	masters
4892	agitated
2034	defend
340	nest
340	nest
3743	disturbed
22771	larvae
67686	pupae
4079	exposed
6908	slaves
558	work
34465	energetically
6917	masters
2565	carrying
1216	place
2030	safety
2289	hence
431	clear
6908	slaves
1190	feel
2704	months
3599	june
4170	july
3697	successive
436	years
1742	watched
668	hours
311	nests
7778	surrey
35233	sussex
338	saw
6895	slave
2026	leave
874	enter
340	nest
2704	months
6908	slaves
2554	number
1672	thought
16500	behave
5583	differently
2552	numerous
390	mr
3644	smith
6968	informs
1742	watched
311	nests
6	various
668	hours
3599	june
5251	august
7778	surrey
28504	hampshire
417	seen
6908	slaves
1159	numbers
5251	august
2026	leave
874	enter
340	nest
2289	hence
8776	considers
6020	strictly
3503	household
6908	slaves
6917	masters
418	hand
454	constantly
417	seen
2529	bringing
917	materials
340	nest
966	food
2013	kinds
2658	year
2064	month
4170	july
2576	came
2562	community
1815	unusually
3020	stock
6908	slaves
2202	observed
6908	slaves
10618	mingled
6917	masters
3428	leaving
340	nest
6946	marching
4605	road
1380	tall
20273	scotch
8204	fir
492	tree
100	twenty
3314	yards
1595	distant
2401	ascended
3019	search
6866	aphides
60530	cocci
1123	according
5923	huber
12684	ample
2653	opportunities
1537	observation
6908	slaves
3306	switzerland
1562	habitually
558	work
6917	masters
1422	making
340	nest
6969	doors
1167	morning
165	evening
5923	huber
10263	expressly
125	states
230	principal
4310	office
3019	search
6866	aphides
2178	difference
1461	usual
1240	habits
6917	masters
6908	slaves
7142	countries
5261	depends
449	merely
6908	slaves
2335	captured
731	greater
1159	numbers
3306	switzerland
174	england
967	day
6183	fortunately
2672	witnessed
3963	migration
6924	sanguinea
340	nest
429	interesting
5591	spectacle
5592	behold
6917	masters
1214	carefully
2565	carrying
6908	slaves
2061	jaws
2785	instead
3238	carried
2331	case
6904	rufescens
967	day
1663	attention
6185	struck
4543	score
6895	slave
6593	makers
8686	haunting
1857	spot
1762	evidently
3019	search
966	food
2070	approached
7276	vigorously
6349	repulsed
1558	independent
2562	community
6895	slave
1330	species
6850	fusca
336	ants
3992	clinging
743	legs
6895	slave
1422	making
6924	sanguinea
2330	latter
5190	ruthlessly
2031	killed
18863	opponents
3238	carried
873	dead
718	bodies
966	food
340	nest
100	twenty
1926	nine
3314	yards
1595	distant
5183	prevented
3360	getting
67686	pupae
4175	rear
6908	slaves
4043	dug
6820	parcel
67686	pupae
6850	fusca
340	nest
640	put
5206	bare
1857	spot
1216	place
15405	combat
6213	eagerly
1645	seized
3238	carried
13743	tyrants
9119	fancied
13904	victorious
1927	late
15405	combat
607	time
1185	laid
1216	place
6820	parcel
67686	pupae
1330	species
6940	flava
402	yellow
336	ants
3992	clinging
4224	fragments
340	nest
1330	species
1373	rarely
413	made
6908	slaves
2395	described
390	mr
3644	smith
1330	species
2904	courageous
417	seen
52739	ferociously
2075	attack
336	ants
3282	instance
670	found
1674	surprise
1558	independent
2562	community
6940	flava
4534	stone
340	nest
6895	slave
1422	making
6924	sanguinea
6114	accidentally
3743	disturbed
311	nests
336	ants
2035	attacked
3159	big
13213	neighbours
3166	surprising
4860	courage
1918	curious
5085	ascertain
6924	sanguinea
877	distinguish
67686	pupae
6850	fusca
1562	habitually
473	make
6908	slaves
8162	furious
6940	flava
1373	rarely
5197	capture
1618	evident
877	distinguish
417	seen
6213	eagerly
1645	seized
67686	pupae
6850	fusca
11584	terrified
2576	came
67686	pupae
64	earth
340	nest
6940	flava
2593	quickly
4680	ran
5337	quarter
2707	hour
7460	shortly
402	yellow
336	ants
7128	crawled
1754	took
2404	heart
3238	carried
67686	pupae
165	evening
2641	visited
2562	community
6924	sanguinea
670	found
2554	number
336	ants
3987	returning
6741	entering
311	nests
2565	carrying
873	dead
718	bodies
6850	fusca
2301	showing
3963	migration
2552	numerous
67686	pupae
3431	traced
6943	file
336	ants
39185	burdened
19428	booty
409	forty
3314	yards
1904	thick
6944	clump
6945	heath
1761	whence
338	saw
2143	individual
6924	sanguinea
3810	emerge
2565	carrying
3687	pupa
1172	able
540	find
34391	desolated
340	nest
1904	thick
6945	heath
340	nest
418	hand
2142	individuals
6850	fusca
6732	rushing
1611	greatest
6098	agitation
6949	perched
3569	motionless
3687	pupa
749	mouth
1863	top
6950	spray
6945	heath
6951	image
6948	despair
6952	ravaged
1651	facts
9549	confirmation
6812	regard
327	wonderful
1174	instinct
1422	making
6908	slaves
1506	let
2202	observed
7738	contrast
6191	instinctive
1240	habits
6924	sanguinea
18896	continental
6904	rufescens
2330	latter
1007	build
340	nest
4283	determine
5202	migrations
688	collect
966	food
21	young
2821	feed
3126	absolutely
6907	dependent
2552	numerous
6908	slaves
6842	formica
6924	sanguinea
418	hand
4110	possesses
2712	fewer
6908	slaves
839	part
3593	summer
2232	extremely
6917	masters
4283	determine
1565	where
340	nest
981	formed
3595	migrate
6917	masters
1711	carry
6908	slaves
3306	switzerland
174	england
6908	slaves
1125	seem
6993	exclusive
1237	care
22771	larvae
6917	masters
1824	go
6895	slave
1422	making
6982	expeditions
3306	switzerland
6908	slaves
6917	masters
558	work
1422	making
2529	bringing
917	materials
340	nest
767	chiefly
6908	slaves
5421	tend
2835	milk
661	called
6866	aphides
659	thus
688	collect
966	food
2562	community
174	england
6917	masters
2026	leave
340	nest
688	collect
467	building
917	materials
966	food
6908	slaves
22771	larvae
6917	masters
1093	country
2107	receive
5228	service
6908	slaves
3306	switzerland
3175	steps
1174	instinct
6924	sanguinea
1299	originated
2671	pretend
18602	conjecture
336	ants
6895	slave
6593	makers
417	seen
1711	carry
67686	pupae
1330	species
1331	scattered
311	nests
67686	pupae
6818	originally
4032	stored
966	food
644	become
946	developed
6756	foreign
336	ants
659	thus
37005	unintentionally
3500	reared
5123	follow
514	proper
3187	instincts
558	work
2287	presence
2412	proved
5124	useful
1330	species
1645	seized
6869	advantageous
1330	species
5197	capture
5193	workers
67687	procreate
479	habit
1291	collecting
67686	pupae
6818	originally
966	food
4	natural
6819	selection
6500	strengthened
655	rendered
2361	permanent
1091	purpose
1494	raising
6908	slaves
1174	instinct
1601	acquired
3238	carried
1341	extent
5732	british
6924	sanguinea
417	seen
7820	aided
6908	slaves
1330	species
3306	switzerland
4	natural
6819	selection
2764	increase
22599	modify
1174	instinct
973	modification
7	use
1330	species
339	ant
981	formed
67688	abjectly
6907	dependent
6908	slaves
6842	formica
6904	rufescens
3407	cell
1422	making
1174	instinct
5866	hive
3942	bee
874	enter
673	minute
6559	details
427	subject
449	merely
13	give
5981	outline
1262	conclusions
7319	arrived
3648	dull
303	man
2150	examine
4956	exquisite
679	structure
5982	comb
5797	beautifully
4233	adapted
612	end
16188	enthusiastic
6276	admiration
550	hear
37812	mathematicians
5346	bees
2766	practically
3378	solved
37911	recondite
3379	problem
413	made
3551	cells
514	proper
830	shape
1067	hold
1611	greatest
2719	amount
5839	honey
7255	consumption
3323	precious
5856	wax
2354	construction
6129	remarked
4551	skilful
4207	workman
3818	fitting
9870	tools
2052	measures
540	find
1242	difficult
473	make
3551	cells
5856	wax
838	form
1531	effected
5868	crowd
5346	bees
4814	working
2516	dark
5866	hive
7032	granting
3187	instincts
8863	please
1193	seems
14974	inconceivable
473	make
485	necessary
5576	angles
6035	planes
3044	perceive
7511	correctly
413	made
2125	difficulty
813	nearly
790	great
851	appears
541	beautiful
558	work
807	shown
1260	think
5123	follow
515	simple
3187	instincts
441	led
22596	investigate
427	subject
390	mr
1435	waterhouse
807	shown
838	form
3407	cell
1310	stands
313	relation
2287	presence
4881	adjoining
3551	cells
4991	view
2092	considered
973	modification
6055	theory
1506	let
1851	look
790	great
1151	principle
67047	gradation
486	see
439	nature
12219	reveal
693	method
558	work
612	end
951	series
5519	humble
5346	bees
7	use
359	old
3672	cocoons
1067	hold
5839	honey
529	adding
5842	tubes
5856	wax
1422	making
929	separate
565	irregular
6780	rounded
3551	cells
5856	wax
612	end
951	series
3551	cells
5866	hive
3942	bee
750	placed
2169	double
4927	layer
3407	cell
664	known
5986	hexagonal
49379	prism
46183	basal
1371	edges
584	sides
41481	bevelled
930	join
5813	inverted
6015	pyramid
67689	rhombs
67689	rhombs
5576	angles
838	form
6091	pyramidal
1779	base
2168	single
3407	cell
1503	side
5982	comb
874	enter
846	composition
3369	bases
4881	adjoining
3551	cells
583	opposite
1503	side
951	series
1176	extreme
6148	perfection
3551	cells
5866	hive
3942	bee
582	simplicity
5519	humble
3942	bee
3551	cells
17656	mexican
67690	melipona
67691	domestica
1214	carefully
2395	described
20764	figured
6900	pierre
5923	huber
67690	melipona
2196	intermediate
679	structure
5866	hive
5519	humble
3942	bee
813	nearly
592	related
2330	latter
2162	forms
813	nearly
950	regular
6107	waxen
5982	comb
3737	cylindrical
3551	cells
21	young
991	hatched
903	addition
3551	cells
5856	wax
1072	holding
5839	honey
2330	latter
3551	cells
813	nearly
5770	spherical
813	nearly
2332	equal
3840	sizes
25829	aggregated
565	irregular
119	mass
223	point
1733	notice
3551	cells
413	made
2069	degree
19306	nearness
48971	intersected
1673	broken
40089	spheres
2996	completed
7578	permitted
5346	bees
467	building
1323	perfectly
1789	flat
4055	walls
5856	wax
40089	spheres
659	thus
5421	tend
12797	intersect
2289	hence
3407	cell
608	consists
934	outer
5770	spherical
2508	portion
1789	flat
7223	surfaces
1123	according
3407	cell
7721	adjoins
3551	cells
3407	cell
1953	rests
3551	cells
40089	spheres
813	nearly
885	size
1365	frequently
5327	necessarily
2331	case
1789	flat
7223	surfaces
124	united
6015	pyramid
6015	pyramid
5923	huber
6129	remarked
6083	manifestly
9431	gross
2884	imitation
6063	sided
6091	pyramidal
1779	base
3407	cell
5866	hive
3942	bee
3551	cells
5866	hive
3942	bee
5575	plane
7223	surfaces
3407	cell
5327	necessarily
874	enter
2354	construction
4881	adjoining
3551	cells
799	obvious
67690	melipona
17092	saves
5856	wax
10555	labour
1296	manner
467	building
1789	flat
4055	walls
4881	adjoining
3551	cells
2169	double
4056	thickness
934	outer
5770	spherical
4825	portions
1789	flat
2508	portion
2162	forms
839	part
3551	cells
11122	reflecting
2331	case
7767	occurred
67690	melipona
413	made
40089	spheres
1510	given
1405	distance
413	made
2332	equal
3840	sizes
3680	arranged
41836	symmetrically
2169	double
4927	layer
6113	resulting
679	structure
947	perfect
5982	comb
5866	hive
3942	bee
8380	accordingly
9220	wrote
200	professor
7831	miller
8578	cambridge
37851	geometer
6656	kindly
2848	read
6985	statement
1893	drawn
696	information
3091	tells
6020	strictly
1244	correct
2554	number
2332	equal
40089	spheres
2395	described
7007	centres
750	placed
5987	parallel
3823	layers
1907	centre
6576	sphere
1405	distance
36938	radius
67692	sqrt
36938	radius
7536	lesser
1405	distance
7007	centres
4147	surrounding
40089	spheres
4927	layer
1405	distance
7007	centres
4881	adjoining
40089	spheres
5987	parallel
4927	layer
6035	planes
21063	intersection
40089	spheres
3823	layers
981	formed
1363	result
2169	double
4927	layer
5986	hexagonal
6134	prisms
124	united
6091	pyramidal
3369	bases
981	formed
67689	rhombs
67689	rhombs
584	sides
5986	hexagonal
6134	prisms
6022	angle
66795	identically
7788	measurements
413	made
3551	cells
5866	hive
3942	bee
550	hear
200	professor
25455	wyman
413	made
2552	numerous
805	careful
7788	measurements
2227	accuracy
19768	workmanship
3942	bee
1414	greatly
6684	exaggerated
3724	typical
838	form
3407	cell
1373	rarely
10071	realised
2289	hence
1218	safely
4410	conclude
1495	slightly
22599	modify
3187	instincts
1393	possessed
67690	melipona
327	wonderful
3942	bee
473	make
679	structure
6376	wonderfully
947	perfect
5866	hive
3942	bee
2309	suppose
67690	melipona
1627	power
763	forming
3551	cells
3138	truly
5770	spherical
2332	equal
3840	sizes
3166	surprising
1751	seeing
1341	extent
1751	seeing
1323	perfectly
3737	cylindrical
3538	burrows
1699	insects
473	make
786	wood
2022	apparently
5070	turning
604	fixed
223	point
2309	suppose
67690	melipona
4784	arrange
3551	cells
1456	level
3823	layers
3737	cylindrical
3551	cells
1012	further
2309	suppose
1611	greatest
2125	difficulty
13224	somehow
5210	judge
6645	accurately
1405	distance
513	stand
1741	fellow
39913	labourers
1422	making
40089	spheres
3358	enabled
5210	judge
1405	distance
1426	describes
40089	spheres
12797	intersect
1341	extent
26154	unites
2438	points
21063	intersection
1323	perfectly
1789	flat
7223	surfaces
8343	modifications
3187	instincts
327	wonderful
2709	hardly
327	wonderful
6207	guide
321	bird
473	make
340	nest
5363	believe
5866	hive
3942	bee
1601	acquired
4	natural
6819	selection
28267	inimitable
7227	architectural
508	powers
6055	theory
533	tested
4530	experiment
699	example
390	mr
66192	tegetmeier
942	separated
5992	combs
640	put
1904	thick
40269	rectangular
7217	strip
5856	wax
5346	bees
4489	began
4451	excavate
673	minute
4058	circular
3537	pits
10148	deepened
3537	pits
413	made
442	wider
442	wider
5392	converted
4305	shallow
19748	basins
4475	appearing
1315	eye
1323	perfectly
748	parts
6576	sphere
3804	diameter
3407	cell
429	interesting
1635	observe
3168	wherever
5346	bees
4164	begun
4451	excavate
19748	basins
4164	begun
558	work
1405	distance
607	time
19748	basins
1601	acquired
1912	stated
2141	width
2141	width
1264	ordinary
3407	cell
2503	depth
2850	sixth
3804	diameter
6576	sphere
981	formed
839	part
67693	rims
19748	basins
48971	intersected
4494	broke
7767	occurred
5346	bees
4212	ceased
4451	excavate
4489	began
1007	build
1789	flat
4055	walls
5856	wax
4263	lines
21063	intersection
19748	basins
5986	hexagonal
49379	prism
500	built
8557	scalloped
3235	edge
2134	smooth
8132	basin
2785	instead
1852	straight
1371	edges
6063	sided
6015	pyramid
2331	case
1264	ordinary
3551	cells
640	put
5866	hive
2785	instead
1904	thick
40269	rectangular
820	piece
5856	wax
2607	thin
1005	narrow
5020	knife
7878	edged
2167	ridge
3288	coloured
35278	vermilion
5346	bees
4489	began
584	sides
4451	excavate
19748	basins
2167	ridge
5856	wax
2607	thin
3996	bottoms
19748	basins
4493	excavated
2503	depth
116	former
4530	experiment
1673	broken
583	opposite
584	sides
5346	bees
7623	suffer
650	happen
6478	stopped
42159	excavations
384	due
607	time
19748	basins
10148	deepened
2576	came
1789	flat
3369	bases
1789	flat
3369	bases
981	formed
2607	thin
5931	plates
35278	vermilion
5856	wax
67694	ungnawed
1901	situated
1315	eye
5210	judge
2153	exactly
6035	planes
5182	imaginary
21063	intersection
19748	basins
583	opposite
1503	side
2167	ridge
5856	wax
748	parts
4825	portions
748	parts
4825	portions
64929	rhombic
8582	plate
659	thus
12744	opposed
19748	basins
558	work
2302	unnatural
1032	state
530	things
3021	neatly
1146	performed
5346	bees
4103	worked
813	nearly
2243	rate
65275	circularly
12630	gnawing
11231	deepening
19748	basins
584	sides
2167	ridge
35278	vermilion
5856	wax
534	order
659	thus
2808	succeeded
3428	leaving
1789	flat
5931	plates
19748	basins
5466	stopping
558	work
6035	planes
21063	intersection
2135	flexible
2607	thin
5856	wax
486	see
2125	difficulty
5346	bees
558	work
584	sides
7217	strip
5856	wax
1743	perceiving
7126	gnawed
5856	wax
514	proper
10560	thinness
5466	stopping
558	work
1264	ordinary
5992	combs
886	appeared
5346	bees
2415	succeed
4814	working
2153	exactly
2243	rate
583	opposite
584	sides
4180	noticed
1328	half
2996	completed
67689	rhombs
1779	base
6198	commenced
3407	cell
1495	slightly
27567	concave
1503	side
1565	where
2309	suppose
5346	bees
4493	excavated
2593	quickly
8752	convex
12744	opposed
1503	side
1565	where
5346	bees
4103	worked
2593	quickly
437	marked
3282	instance
640	put
5982	comb
5866	hive
667	allowed
5346	bees
1824	go
4814	working
607	time
675	examined
3407	cell
670	found
64929	rhombic
8582	plate
2996	completed
644	become
1323	perfectly
1789	flat
3126	absolutely
1579	impossible
1176	extreme
10560	thinness
8582	plate
1531	effected
12630	gnawing
8752	convex
1503	side
4777	suspect
5346	bees
2643	cases
513	stand
12744	opposed
3551	cells
17090	push
5006	bend
42026	ductile
3454	warm
5856	wax
2081	tried
941	easily
514	proper
2196	intermediate
5575	plane
659	thus
41388	flatten
4530	experiment
2167	ridge
35278	vermilion
5856	wax
486	see
5346	bees
1007	build
2607	thin
3788	wall
5856	wax
473	make
3551	cells
514	proper
830	shape
2284	standing
514	proper
1405	distance
4223	excavating
2243	rate
10574	endeavouring
473	make
2332	equal
5770	spherical
7107	hollows
4928	allowing
40089	spheres
755	break
5346	bees
2751	clearly
417	seen
7702	examining
3235	edge
1832	growing
5982	comb
473	make
692	rough
67531	circumferential
3788	wall
4965	rim
5982	comb
53236	gnaw
583	opposite
584	sides
4814	working
65275	circularly
2045	deepen
3407	cell
473	make
6063	sided
6091	pyramidal
1779	base
3407	cell
607	time
64929	rhombic
8582	plate
1310	stands
1176	extreme
1832	growing
7917	margin
5931	plates
2331	case
4774	complete
1040	upper
1371	edges
64929	rhombic
5931	plates
5986	hexagonal
4055	walls
6198	commenced
1780	statements
994	differ
413	made
8711	justly
17383	celebrated
11251	elder
5923	huber
8773	convinced
2227	accuracy
1057	space
1725	show
37925	conformable
6055	theory
5923	huber
6985	statement
3407	cell
4493	excavated
5987	parallel
6063	sided
3788	wall
5856	wax
417	seen
6020	strictly
1244	correct
7277	commencement
7556	hood
5856	wax
874	enter
6559	details
486	see
839	part
41974	excavation
5481	plays
2354	construction
3551	cells
790	great
18323	error
2309	suppose
5346	bees
1007	build
692	rough
3788	wall
5856	wax
514	proper
1464	position
5575	plane
21063	intersection
4881	adjoining
40089	spheres
2656	specimens
2301	showing
2751	clearly
1909	rude
67531	circumferential
4965	rim
3788	wall
5856	wax
1832	growing
5982	comb
61614	flexures
2202	observed
7029	corresponding
1464	position
6035	planes
64929	rhombic
46183	basal
5931	plates
2984	future
3551	cells
692	rough
3788	wall
5856	wax
2331	case
4134	finished
4596	largely
7126	gnawed
584	sides
1296	manner
5346	bees
1007	build
1918	curious
473	make
692	rough
3788	wall
1827	ten
100	twenty
884	times
4573	thicker
6668	excessively
2607	thin
4134	finished
3788	wall
3407	cell
7745	ultimately
5860	understand
558	work
20924	masons
3541	pile
995	broad
2167	ridge
23278	cement
1149	begin
335	cutting
3209	equally
584	sides
626	ground
2134	smooth
2607	thin
3788	wall
2221	middle
20924	masons
49270	piling
1224	cut
23278	cement
529	adding
568	fresh
23278	cement
1876	summit
2167	ridge
659	thus
2607	thin
3788	wall
8180	steadily
1832	growing
1517	upward
14887	crowned
2752	gigantic
41457	coping
3551	cells
6198	commenced
2996	completed
659	thus
14887	crowned
2341	strong
41457	coping
5856	wax
5346	bees
5897	cluster
3571	crawl
5982	comb
11996	injuring
1053	delicate
5986	hexagonal
4055	walls
4055	walls
200	professor
7831	miller
6656	kindly
7656	ascertained
847	vary
1414	greatly
4056	thickness
1902	average
1609	twelve
7788	measurements
413	made
7786	border
5982	comb
2138	inch
4056	thickness
46183	basal
64573	rhomboidal
5931	plates
4573	thicker
813	nearly
537	proportion
2725	mean
4056	thickness
100	twenty
7788	measurements
2138	inch
1634	singular
1296	manner
467	building
1431	strength
4865	continually
1510	given
5982	comb
6068	utmost
13737	ultimate
2876	economy
5856	wax
1193	seems
2976	add
2125	difficulty
6479	understanding
3551	cells
413	made
617	multitude
5346	bees
558	work
3942	bee
4814	working
607	time
3407	cell
2892	going
5923	huber
1912	stated
4543	score
2142	individuals
558	work
7277	commencement
3407	cell
1172	able
2766	practically
1725	show
714	fact
1936	covering
1371	edges
5986	hexagonal
4055	walls
2168	single
3407	cell
1176	extreme
7917	margin
67531	circumferential
4965	rim
1832	growing
5982	comb
2232	extremely
2607	thin
4927	layer
8107	melted
35278	vermilion
5856	wax
1454	invariably
670	found
9916	colour
3134	delicately
937	diffused
5346	bees
3134	delicately
13921	painter
3471	brush
8164	atoms
3288	coloured
5856	wax
976	taken
1857	spot
750	placed
4103	worked
1832	growing
1371	edges
3551	cells
558	work
2354	construction
1193	seems
802	sort
1492	balance
6185	struck
5346	bees
10661	instinctively
2284	standing
730	relative
1405	distance
3150	trying
7748	sweep
2332	equal
40089	spheres
467	building
3428	leaving
67694	ungnawed
6035	planes
21063	intersection
40089	spheres
1918	curious
382	note
2643	cases
2125	difficulty
777	pieces
5982	comb
1808	met
6022	angle
5346	bees
4057	pull
33319	rebuild
446	ways
3407	cell
37848	recurring
830	shape
6468	rejected
5346	bees
1216	place
513	stand
514	proper
1856	positions
4814	working
3282	instance
3627	slip
786	wood
750	placed
2221	middle
5982	comb
1832	growing
6519	downwards
5982	comb
500	built
401	face
3627	slip
2331	case
5346	bees
1090	lay
326	foundations
3788	wall
6032	hexagon
6020	strictly
514	proper
1216	place
2692	projecting
2996	completed
3551	cells
35253	suffices
5346	bees
3358	enabled
513	stand
514	proper
730	relative
1619	distances
4055	walls
2996	completed
3551	cells
1889	striking
5182	imaginary
40089	spheres
1007	build
3788	wall
2196	intermediate
4881	adjoining
40089	spheres
417	seen
53236	gnaw
10419	finish
5576	angles
3407	cell
839	part
3407	cell
4881	adjoining
3551	cells
500	built
10107	capacity
5346	bees
3014	laying
2364	circumstances
692	rough
3788	wall
514	proper
1216	place
6198	commenced
3551	cells
3272	bears
714	fact
1193	seems
34978	subversive
5213	foregoing
6055	theory
7117	namely
3551	cells
1176	extreme
7917	margin
331	wasp
5992	combs
6020	strictly
5986	hexagonal
1057	space
874	enter
427	subject
1125	seem
790	great
2125	difficulty
2168	single
1083	insect
2331	case
231	queen
331	wasp
1422	making
5986	hexagonal
3551	cells
558	work
1965	alternately
3551	cells
6198	commenced
607	time
2284	standing
514	proper
730	relative
1405	distance
748	parts
3551	cells
4164	begun
5743	sweeping
40089	spheres
15832	cylinders
467	building
2196	intermediate
6035	planes
4	natural
6819	selection
2684	acts
4302	accumulation
972	slight
8343	modifications
679	structure
1174	instinct
12100	profitable
2143	individual
539	conditions
74	life
1559	reasonably
8041	asked
6919	graduated
1607	succession
6124	modified
7227	architectural
3187	instincts
8393	tending
947	perfect
3365	plan
2354	construction
33742	profited
18252	progenitors
5866	hive
3942	bee
1260	think
579	answer
1242	difficult
3551	cells
4580	constructed
3942	bee
331	wasp
5062	gain
1431	strength
10555	labour
1057	space
917	materials
4580	constructed
968	respect
7639	formation
5856	wax
664	known
5346	bees
3403	pressed
919	get
3948	sufficient
5827	nectar
2638	informed
390	mr
66192	tegetmeier
8448	experimentally
2412	proved
1609	twelve
1828	fifteen
2664	pounds
715	dry
703	sugar
7300	consumed
5866	hive
5346	bees
3574	secretion
14002	pound
5856	wax
1391	prodigious
702	quantity
672	fluid
5827	nectar
760	collected
7300	consumed
5346	bees
5866	hive
3574	secretion
5856	wax
485	necessary
2354	construction
5992	combs
932	moreover
5346	bees
656	remain
6610	idle
259	days
648	process
3574	secretion
6006	store
5839	honey
4439	indispensable
1311	support
3020	stock
5346	bees
309	winter
3163	security
5866	hive
664	known
3180	mainly
5107	depend
2554	number
5346	bees
1990	supported
2289	hence
5856	wax
4596	largely
5839	honey
607	time
7300	consumed
1291	collecting
5839	honey
452	element
3052	success
1161	family
5346	bees
954	course
3052	success
1330	species
6907	dependent
2554	number
2029	enemies
3110	parasites
2115	distinct
6065	causes
464	altogether
1558	independent
702	quantity
5839	honey
5346	bees
688	collect
1506	let
2309	suppose
2330	latter
2373	circumstance
5865	determined
5865	determined
3942	bee
797	allied
5519	humble
5346	bees
875	exist
1159	numbers
1093	country
1506	let
1012	further
2309	suppose
2562	community
1360	lived
309	winter
5341	consequently
6441	required
6006	store
5839	honey
2331	case
3896	doubt
3092	advantage
5182	imaginary
5519	humble
3942	bee
972	slight
973	modification
3187	instincts
441	led
473	make
6107	waxen
3551	cells
12797	intersect
3788	wall
733	common
4881	adjoining
3551	cells
10555	labour
5856	wax
2289	hence
4865	continually
6869	advantageous
5519	humble
5346	bees
473	make
3551	cells
950	regular
2491	nearer
25829	aggregated
119	mass
3551	cells
67690	melipona
2331	case
839	part
6245	bounding
935	surface
3407	cell
5879	serve
1165	bound
4881	adjoining
3551	cells
10555	labour
5856	wax
7123	saved
3893	cause
6869	advantageous
67690	melipona
473	make
3551	cells
898	closer
950	regular
417	seen
5770	spherical
7223	surfaces
716	wholly
1088	disappear
2930	replaced
5575	plane
7223	surfaces
67690	melipona
473	make
5982	comb
947	perfect
5866	hive
3942	bee
2798	stage
6148	perfection
6122	architecture
4	natural
6819	selection
4066	lead
5982	comb
5866	hive
3942	bee
486	see
3126	absolutely
947	perfect
67695	economising
10555	labour
5856	wax
659	thus
5363	believe
327	wonderful
664	known
3187	instincts
5866	hive
3942	bee
8494	explained
4	natural
6819	selection
976	taken
3092	advantage
2552	numerous
3697	successive
972	slight
8343	modifications
2843	simpler
3187	instincts
4	natural
6819	selection
1818	slow
5627	degrees
1323	perfectly
441	led
5346	bees
7748	sweep
2332	equal
40089	spheres
1510	given
1405	distance
2169	double
4927	layer
1007	build
4451	excavate
5856	wax
6035	planes
21063	intersection
5346	bees
954	course
10159	knowing
5900	swept
40089	spheres
2917	particular
1405	distance
420	know
5576	angles
5986	hexagonal
6134	prisms
46183	basal
64929	rhombic
5931	plates
7092	motive
1627	power
648	process
4	natural
6819	selection
2354	construction
3551	cells
384	due
1431	strength
514	proper
885	size
830	shape
22771	larvae
1531	effected
1611	greatest
2876	economy
10555	labour
5856	wax
2143	individual
3837	swarm
659	thus
413	made
3551	cells
10555	labour
3991	waste
5839	honey
3574	secretion
5856	wax
2808	succeeded
7954	transmitted
10727	newly
1601	acquired
24297	economical
3187	instincts
1094	swarms
1697	turn
2717	chance
3343	succeeding
3075	struggle
844	existence
23735	objections
6055	theory
4	natural
6819	selection
933	applied
3187	instincts
6809	neuter
32691	sterile
1699	insects
8387	objected
5213	foregoing
4991	view
2474	origin
3187	instincts
6816	variations
679	structure
1174	instinct
17118	simultaneous
6645	accurately
4705	adjusted
973	modification
3353	immediate
7029	corresponding
889	change
2413	fatal
2245	force
12367	objection
1953	rests
781	entirely
892	assumption
952	changes
3187	instincts
679	structure
10518	abrupt
953	take
288	illustration
2331	case
712	larger
67437	titmouse
67438	parus
6470	major
8449	alluded
5254	previous
2851	chapter
321	bird
1853	holds
620	seeds
16399	yew
1346	feet
1596	branch
10382	hammers
318	beak
1925	gets
21495	kernel
2125	difficulty
4	natural
6819	selection
39783	preserving
972	slight
2143	individual
6816	variations
830	shape
318	beak
4233	adapted
755	break
620	seeds
318	beak
981	formed
4580	constructed
1091	purpose
67440	nuthatch
607	time
479	habit
46583	compulsion
3519	spontaneous
6816	variations
6286	taste
441	led
321	bird
644	become
732	seed
5336	eater
2331	case
318	beak
4480	supposed
1833	slowly
6124	modified
4	natural
6819	selection
7669	subsequently
7448	accordance
1833	slowly
2615	changing
1240	habits
6286	taste
1506	let
1346	feet
67437	titmouse
847	vary
881	grow
712	larger
67173	correlation
318	beak
1191	unknown
3893	cause
5622	improbable
712	larger
1346	feet
4066	lead
321	bird
1468	climb
1601	acquired
841	remarkable
1480	climbing
1174	instinct
1627	power
67440	nuthatch
2331	case
1642	gradual
889	change
679	structure
4480	supposed
4066	lead
1086	changed
6191	instinctive
1240	habits
953	take
2331	case
3187	instincts
841	remarkable
1013	leads
7221	swift
1361	eastern
1333	islands
473	make
340	nest
716	wholly
62056	inspissated
5942	saliva
294	birds
1007	build
311	nests
3567	mud
7717	believed
22075	moistened
5942	saliva
5340	swifts
2278	north
1254	america
1961	makes
340	nest
417	seen
2008	sticks
66319	agglutinated
5942	saliva
7764	flakes
658	substance
5622	improbable
4	natural
6819	selection
2143	individual
5340	swifts
3012	secreted
5942	saliva
887	produce
1330	species
3187	instincts
4633	leading
13697	neglect
917	materials
473	make
340	nest
842	exclusively
62056	inspissated
5942	saliva
2643	cases
1301	admitted
2746	instances
18602	conjecture
1174	instinct
679	structure
2137	varied
3896	doubt
3187	instincts
1242	difficult
6958	explanation
12744	opposed
6055	theory
4	natural
6819	selection
2643	cases
486	see
1174	instinct
1299	originated
2643	cases
2196	intermediate
10254	gradations
664	known
875	exist
2643	cases
3187	instincts
6280	trifling
795	importance
2709	hardly
5751	acted
4	natural
6819	selection
2643	cases
3187	instincts
66795	identically
293	animals
4174	remote
1028	scale
439	nature
1089	account
2460	similarity
1200	inheritance
733	common
18262	progenitor
5341	consequently
5363	believe
3421	independently
1601	acquired
4	natural
6819	selection
874	enter
2643	cases
5927	confine
2125	difficulty
886	appeared
39994	insuperable
2765	actually
2413	fatal
6055	theory
8411	allude
6761	neuters
32691	sterile
1710	females
1083	insect
6785	communities
6761	neuters
994	differ
2585	widely
1174	instinct
679	structure
1806	males
7902	fertile
1710	females
32691	sterile
18389	propagate
958	kind
427	subject
12956	deserves
11363	discussed
790	great
1758	length
953	take
2168	single
2331	case
4814	working
32691	sterile
336	ants
5193	workers
655	rendered
32691	sterile
2125	difficulty
731	greater
1889	striking
973	modification
679	structure
807	shown
1699	insects
6480	articulate
293	animals
1032	state
439	nature
1744	occasionally
644	become
32691	sterile
1699	insects
4311	social
12100	profitable
2562	community
2554	number
5205	annually
1140	born
1822	capable
558	work
11414	incapable
67696	procreation
486	see
2009	especial
2125	difficulty
1531	effected
4	natural
6819	selection
587	pass
23476	preliminary
2125	difficulty
790	great
2125	difficulty
468	lies
4814	working
336	ants
6195	differing
2585	widely
1806	males
7902	fertile
1710	females
679	structure
830	shape
6512	thorax
4578	destitute
742	wings
1740	eyes
1174	instinct
1174	instinct
6076	concerned
327	wonderful
2178	difference
968	respect
5193	workers
947	perfect
1710	females
6592	exemplified
5866	hive
3942	bee
4814	working
339	ant
6809	neuter
1083	insect
1264	ordinary
67	animal
6986	unhesitatingly
2283	assumed
7165	characters
1833	slowly
1601	acquired
4	natural
6819	selection
7117	namely
2142	individuals
1140	born
972	slight
12100	profitable
8343	modifications
6959	inherited
1814	offspring
2137	varied
285	selected
9156	onwards
4814	working
339	ant
1083	insect
6195	differing
1414	greatly
1203	parents
3126	absolutely
32691	sterile
7954	transmitted
6363	successively
1601	acquired
8343	modifications
679	structure
1174	instinct
3950	progeny
8041	asked
12864	reconcile
2331	case
6055	theory
4	natural
6819	selection
1506	let
791	remembered
602	innumerable
2746	instances
2897	domestic
26943	productions
1032	state
439	nature
2933	sorts
2147	differences
6959	inherited
679	structure
67141	correlated
5050	ages
2553	sex
2147	differences
67141	correlated
2553	sex
2772	period
61494	reproductive
4412	system
735	active
46500	nuptial
4289	plumage
294	birds
7219	hooked
2061	jaws
1183	male
17032	salmon
972	slight
2147	differences
16654	horns
5047	breeds
4989	cattle
313	relation
11728	artificially
8027	imperfect
1032	state
1183	male
2553	sex
9050	oxen
5047	breeds
2543	longer
16654	horns
9050	oxen
5047	breeds
2815	relatively
1758	length
16654	horns
25847	bulls
2831	cows
5047	breeds
2289	hence
486	see
790	great
2125	difficulty
35	character
3504	becoming
67141	correlated
32691	sterile
725	condition
2376	members
1083	insect
6785	communities
2125	difficulty
468	lies
6479	understanding
67141	correlated
8343	modifications
679	structure
1833	slowly
7673	accumulated
4	natural
6819	selection
2125	difficulty
4475	appearing
39994	insuperable
10861	lessened
5363	believe
4629	disappears
791	remembered
6819	selection
933	applied
1161	family
2143	individual
659	thus
5062	gain
5948	desired
612	end
58772	breeders
4989	cattle
6119	wish
779	flesh
704	fat
8013	marbled
67	animal
659	thus
6483	characterized
33367	slaughtered
67177	breeder
3410	gone
4615	confidence
3020	stock
2808	succeeded
7949	faith
750	placed
1627	power
6819	selection
4602	breed
4989	cattle
850	yielding
9050	oxen
23628	extraordinarily
16654	horns
855	probable
981	formed
1214	carefully
2406	watching
2143	individual
25847	bulls
2831	cows
25780	matched
40	produced
9050	oxen
7213	longest
16654	horns
12050	ox
6821	propagated
958	kind
288	illustration
1123	according
67697	verlot
2149	varieties
2169	double
3607	annual
3020	stock
1214	carefully
285	selected
2069	degree
887	produce
537	proportion
18300	seedlings
3297	bearing
2169	double
32691	sterile
588	flowers
12343	yield
2168	single
7902	fertile
447	plants
2330	latter
4463	variety
6821	propagated
894	compared
7902	fertile
1183	male
1688	female
336	ants
2169	double
32691	sterile
447	plants
6761	neuters
2562	community
2149	varieties
3020	stock
4311	social
1699	insects
6819	selection
933	applied
1161	family
2143	individual
7353	sake
3090	gaining
7438	serviceable
612	end
2289	hence
4410	conclude
972	slight
8343	modifications
679	structure
1174	instinct
67141	correlated
32691	sterile
725	condition
2376	members
2562	community
2412	proved
6869	advantageous
5341	consequently
7902	fertile
1806	males
1710	females
9180	flourished
7954	transmitted
7902	fertile
1814	offspring
2424	tendency
887	produce
32691	sterile
2376	members
8343	modifications
648	process
652	repeated
884	times
1391	prodigious
2719	amount
2178	difference
7902	fertile
32691	sterile
1710	females
1330	species
40	produced
486	see
4311	social
1699	insects
5705	touched
49153	acme
2125	difficulty
7117	namely
714	fact
6761	neuters
336	ants
994	differ
7902	fertile
1710	females
1806	males
16114	incredible
2069	degree
659	thus
5038	divided
6807	castes
6807	castes
932	moreover
1538	generally
25304	graduate
1323	perfectly
7118	defined
2115	distinct
1330	species
2434	genus
6233	genera
1161	family
659	thus
67698	eciton
4814	working
6752	soldier
6761	neuters
2061	jaws
3187	instincts
23628	extraordinarily
8792	cryptocerus
5193	workers
13233	caste
1711	carry
327	wonderful
802	sort
585	shield
888	heads
7	use
1191	unknown
17656	mexican
67699	myrmecocystus
5193	workers
13233	caste
2026	leave
340	nest
2818	fed
5193	workers
13233	caste
19382	enormously
946	developed
3827	abdomen
66812	secretes
802	sort
5839	honey
23015	supplying
1216	place
67316	excreted
6866	aphides
2897	domestic
4989	cattle
661	called
1305	european
336	ants
8098	guard
33183	imprison
815	indeed
1672	thought
67700	overweening
4615	confidence
1151	principle
4	natural
6819	selection
5314	admit
327	wonderful
2237	established
1651	facts
18291	annihilate
6055	theory
2843	simpler
2331	case
6809	neuter
1699	insects
13233	caste
5363	believe
655	rendered
7902	fertile
1806	males
1710	females
4	natural
6819	selection
4410	conclude
2239	analogy
1264	ordinary
6816	variations
3697	successive
972	slight
12100	profitable
8343	modifications
5952	arise
6761	neuters
340	nest
33005	survival
6785	communities
1710	females
40	produced
6761	neuters
6869	advantageous
973	modification
6761	neuters
7745	ultimately
2576	came
659	thus
6483	characterized
1123	according
4991	view
1744	occasionally
540	find
340	nest
6809	neuter
1699	insects
2590	presenting
10254	gradations
679	structure
540	find
1373	rarely
6809	neuter
1699	insects
7317	europe
1214	carefully
675	examined
390	mr
3644	smith
807	shown
6761	neuters
5732	british
336	ants
994	differ
13186	surprisingly
885	size
9916	colour
1176	extreme
2162	forms
9410	linked
2142	individuals
976	taken
340	nest
894	compared
947	perfect
10254	gradations
958	kind
3244	happens
712	larger
1353	smaller
3647	sized
5193	workers
2552	numerous
2552	numerous
2196	intermediate
885	size
7672	scanty
1159	numbers
6842	formica
6940	flava
712	larger
1353	smaller
5193	workers
2196	intermediate
885	size
1330	species
390	mr
3644	smith
2202	observed
712	larger
5193	workers
515	simple
1740	eyes
67701	ocelli
3733	plainly
2971	distinguished
1353	smaller
5193	workers
67701	ocelli
943	rudimentary
1214	carefully
5256	dissected
2656	specimens
5193	workers
2024	affirm
1740	eyes
943	rudimentary
1353	smaller
5193	workers
7523	accounted
449	merely
7553	proportionately
7536	lesser
885	size
2536	fully
5363	believe
5157	assert
7655	positively
5193	workers
2196	intermediate
885	size
67701	ocelli
2153	exactly
2196	intermediate
725	condition
718	bodies
32691	sterile
5193	workers
340	nest
6195	differing
885	size
1589	organs
2097	vision
3553	connected
2376	members
2196	intermediate
725	condition
65158	digress
529	adding
1353	smaller
5193	workers
5124	useful
2562	community
1806	males
1710	females
4865	continually
285	selected
40	produced
1353	smaller
5193	workers
5193	workers
725	condition
1330	species
339	ant
6761	neuters
813	nearly
725	condition
67702	myrmica
5193	workers
67702	myrmica
7034	rudiments
67701	ocelli
1183	male
1688	female
336	ants
2434	genus
946	developed
67701	ocelli
13	give
2331	case
15841	confidently
8353	expect
1744	occasionally
540	find
10254	gradations
4560	structures
6807	castes
6761	neuters
1330	species
15402	gladly
23737	availed
390	mr
3644	smith
2160	offer
2552	numerous
2656	specimens
340	nest
9764	driver
339	ant
67703	anomma
182	west
1270	africa
5352	reader
3517	appreciate
2719	amount
2178	difference
5193	workers
1638	giving
5274	actual
7788	measurements
6020	strictly
6277	accurate
288	illustration
2178	difference
486	see
36	set
4128	workmen
467	building
3901	house
1346	feet
1345	inches
3740	sixteen
1346	feet
903	addition
2309	suppose
712	larger
4128	workmen
888	heads
2785	instead
884	times
3159	big
1353	smaller
276	men
2061	jaws
813	nearly
884	times
3159	big
2061	jaws
932	moreover
4814	working
336	ants
3840	sizes
7649	differed
6376	wonderfully
830	shape
838	form
2554	number
1225	teeth
714	fact
5193	workers
11172	grouped
6807	castes
3840	sizes
25304	graduate
15352	insensibly
2585	widely
679	structure
2061	jaws
2842	speak
15841	confidently
2330	latter
223	point
322	sir
364	lubbock
413	made
17204	drawings
21455	camera
21456	lucida
2061	jaws
5256	dissected
5193	workers
3840	sizes
390	mr
6189	bates
429	interesting
192	naturalist
6915	amazons
2395	described
3285	analogous
2643	cases
1651	facts
5363	believe
4	natural
6819	selection
5135	acting
7902	fertile
336	ants
1203	parents
838	form
1330	species
4947	regularly
887	produce
6761	neuters
885	size
838	form
2223	jaw
885	size
2585	widely
2061	jaws
5177	lastly
1611	greatest
2125	difficulty
36	set
5193	workers
885	size
679	structure
1526	simultaneously
36	set
5193	workers
885	size
679	structure
6919	graduated
951	series
981	formed
2331	case
9764	driver
339	ant
1176	extreme
2162	forms
40	produced
731	greater
731	greater
1159	numbers
33005	survival
1203	parents
7708	generated
2196	intermediate
679	structure
40	produced
3285	analogous
6958	explanation
1510	given
390	mr
323	wallace
3209	equally
6319	complex
2331	case
7285	malayan
3659	butterflies
4947	regularly
4475	appearing
2115	distinct
1688	female
2162	forms
31999	fritz
27889	muller
17216	brazilian
3728	crustaceans
4475	appearing
2585	widely
2115	distinct
1183	male
2162	forms
427	subject
11363	discussed
8494	explained
5363	believe
327	wonderful
714	fact
6347	distinctly
7118	defined
6807	castes
32691	sterile
5193	workers
1138	existing
340	nest
2585	widely
1203	parents
1299	originated
486	see
5124	useful
9506	production
4311	social
2562	community
336	ants
1151	principle
5319	division
10555	labour
5124	useful
51239	civilised
303	man
336	ants
558	work
6959	inherited
3187	instincts
6959	inherited
1589	organs
9870	tools
303	man
918	works
1601	acquired
532	knowledge
912	manufactured
11963	instruments
2952	confess
7949	faith
4	natural
6819	selection
16175	anticipated
1151	principle
2253	efficient
2069	degree
2331	case
6809	neuter
1699	insects
441	led
6630	conclusion
834	therefore
11363	discussed
2331	case
716	wholly
4972	insufficient
1758	length
534	order
1725	show
1627	power
4	natural
6819	selection
576	serious
2125	difficulty
6055	theory
2574	encountered
2331	case
429	interesting
2610	proves
293	animals
447	plants
2719	amount
973	modification
1531	effected
4302	accumulation
2552	numerous
972	slight
3519	spontaneous
6816	variations
12100	profitable
1766	exercise
479	habit
2657	brought
5809	play
1567	peculiar
1240	habits
5200	confined
5193	workers
32691	sterile
1710	females
1189	followed
3333	possibly
1959	affect
1806	males
7902	fertile
1710	females
2026	leave
8275	descendants
4220	surprised
2738	advanced
12875	demonstrative
2331	case
6809	neuter
1699	insects
664	known
14371	doctrine
6959	inherited
479	habit
2738	advanced
48208	lamarck
22545	summary
39925	endeavoured
2851	chapter
5010	briefly
1725	show
6194	mental
5331	qualities
2897	domestic
293	animals
847	vary
6816	variations
6959	inherited
5010	briefly
2225	attempted
1725	show
3187	instincts
847	vary
1495	slightly
1032	state
439	nature
2226	dispute
3187	instincts
2041	highest
795	importance
67	animal
834	therefore
2125	difficulty
2615	changing
539	conditions
74	life
4	natural
6819	selection
13452	accumulating
1341	extent
972	slight
8343	modifications
1174	instinct
5124	useful
2643	cases
479	habit
7	use
10544	disuse
1070	come
5809	play
2671	pretend
1651	facts
1510	given
2851	chapter
14436	strengthen
790	great
2069	degree
6055	theory
2643	cases
2125	difficulty
6701	judgment
18291	annihilate
418	hand
714	fact
3187	instincts
3126	absolutely
947	perfect
4608	liable
6000	mistakes
1174	instinct
807	shown
40	produced
1205	good
293	animals
293	animals
953	take
3092	advantage
3187	instincts
1025	others
8321	canon
4	natural
5	history
67147	natura
8682	non
56862	facit
67148	saltum
9433	applicable
3187	instincts
37844	corporeal
679	structure
3733	plainly
33235	explicable
5213	foregoing
14503	views
5696	inexplicable
5421	tend
13879	corroborate
6055	theory
4	natural
6819	selection
6055	theory
6500	strengthened
1651	facts
6812	regard
3187	instincts
733	common
2331	case
796	closely
797	allied
2115	distinct
1330	species
4044	inhabiting
1595	distant
748	parts
535	world
2173	considerably
539	conditions
74	life
7266	retaining
813	nearly
3187	instincts
3282	instance
5860	understand
1151	principle
1200	inheritance
4613	thrush
1252	tropical
2627	south
1254	america
4263	lines
340	nest
3567	mud
1567	peculiar
1296	manner
5732	british
4613	thrush
67704	hornbills
1270	africa
7284	india
6094	extraordinary
1174	instinct
48460	plastering
34487	imprisoning
1710	females
3325	hole
492	tree
3325	hole
33985	plaster
1806	males
2821	feed
21	young
991	hatched
1183	male
5530	wrens
2611	troglodytes
2278	north
1254	america
1007	build
3207	cock
311	nests
5647	roost
1806	males
26486	kitty
5530	wrens
479	habit
716	wholly
664	known
321	bird
4184	finally
1576	logical
32132	deduction
457	imagination
4433	satisfactory
1851	look
3187	instincts
21	young
4554	cuckoo
8001	ejecting
18092	foster
8268	brothers
336	ants
1422	making
6908	slaves
22771	larvae
67705	ichneumonidae
964	feeding
1653	live
718	bodies
4459	caterpillars
2204	specially
7497	endowed
2826	created
3187	instincts
13362	consequences
915	general
3174	law
4633	leading
20156	advancement
21627	organic
1021	beings
7117	namely
3169	multiply
847	vary
1506	let
2186	strongest
1653	live
12637	weakest
872	die
2851	chapter
262	ix
67150	hybridism
996	distinction
18823	sterility
8649	crosses
17449	hybrids
18823	sterility
6	various
2069	degree
3463	universal
5522	affected
65119	interbreeding
4308	removed
2345	domestication
509	laws
8726	governing
18823	sterility
17449	hybrids
18823	sterility
50673	endowment
9484	incidental
2147	differences
7673	accumulated
4	natural
6819	selection
6065	causes
18823	sterility
8649	crosses
17449	hybrids
7754	parallelism
17321	effects
1086	changed
539	conditions
74	life
5793	crossing
67151	dimorphism
67152	trimorphism
22934	fertility
2149	varieties
2356	crossed
34969	mongrel
1814	offspring
3463	universal
17449	hybrids
67153	mongrels
894	compared
3421	independently
22934	fertility
22545	summary
4991	view
1561	commonly
9656	entertained
415	naturalists
1330	species
67165	intercrossed
2204	specially
7497	endowed
18823	sterility
534	order
4971	prevent
5035	confusion
4991	view
1438	certainly
1193	seems
2089	highly
855	probable
1330	species
2709	hardly
984	kept
2115	distinct
1822	capable
2526	freely
5793	crossing
427	subject
446	ways
1731	especially
18823	sterility
1330	species
2356	crossed
21265	hybrid
1814	offspring
1601	acquired
1725	show
13231	preservation
3697	successive
12100	profitable
5627	degrees
18823	sterility
9484	incidental
1363	result
2147	differences
61494	reproductive
9586	systems
2955	parent
1330	species
710	treating
427	subject
5039	classes
1651	facts
1341	extent
33797	fundamentally
1538	generally
2461	confounded
7117	namely
18823	sterility
1330	species
2356	crossed
18823	sterility
17449	hybrids
40	produced
719	pure
1330	species
954	course
1589	organs
19069	reproduction
947	perfect
725	condition
67165	intercrossed
887	produce
1814	offspring
17449	hybrids
418	hand
61494	reproductive
1589	organs
67421	functionally
8263	impotent
2751	clearly
417	seen
1032	state
1183	male
452	element
447	plants
293	animals
48703	formative
1589	organs
947	perfect
679	structure
676	microscope
3534	reveals
2331	case
8601	sexual
808	elements
1824	go
838	form
17631	embryo
947	perfect
2331	case
946	developed
8495	imperfectly
946	developed
996	distinction
3893	cause
18823	sterility
733	common
2643	cases
2092	considered
996	distinction
62636	slurred
3357	owing
18823	sterility
2643	cases
4391	looked
50673	endowment
536	province
6216	reasoning
508	powers
22934	fertility
2149	varieties
2162	forms
664	known
7717	believed
3199	descended
733	common
1203	parents
2356	crossed
22934	fertility
34969	mongrel
1814	offspring
4601	reference
6055	theory
2332	equal
795	importance
18823	sterility
1330	species
1193	seems
473	make
995	broad
431	clear
996	distinction
2149	varieties
1330	species
5627	degrees
18823	sterility
18823	sterility
1330	species
2356	crossed
21265	hybrid
1814	offspring
1579	impossible
470	study
20629	memoirs
918	works
6315	conscientious
4417	admirable
1389	observers
67169	kolreuter
67330	gartner
3219	devoted
1002	lives
427	subject
3708	deeply
6464	impressed
13563	generality
2069	degree
18823	sterility
67169	kolreuter
1961	makes
426	rule
3463	universal
7326	cuts
4517	knot
1827	ten
2643	cases
670	found
2162	forms
2092	considered
17166	authors
2115	distinct
1330	species
7902	fertile
6986	unhesitatingly
3189	ranks
2149	varieties
67330	gartner
1961	makes
426	rule
3209	equally
3463	universal
4901	disputes
3308	entire
22934	fertility
67169	kolreuter
1827	ten
2643	cases
2643	cases
67330	gartner
1066	obliged
1214	carefully
5401	count
620	seeds
534	order
1725	show
2069	degree
18823	sterility
23540	compares
9499	maximum
2554	number
620	seeds
40	produced
1330	species
2356	crossed
9499	maximum
40	produced
21265	hybrid
1814	offspring
1902	average
2554	number
40	produced
719	pure
2955	parent
1330	species
1032	state
439	nature
6065	causes
576	serious
18323	error
34435	intervene
621	plant
67706	hybridised
62215	castrated
4266	secluded
534	order
4971	prevent
5829	pollen
2657	brought
1699	insects
447	plants
813	nearly
447	plants
23144	experimented
67330	gartner
67707	potted
984	kept
4059	chamber
3901	house
4003	processes
3892	injurious
22934	fertility
621	plant
1560	doubted
67330	gartner
695	gives
5283	table
4543	score
2643	cases
447	plants
62215	castrated
11728	artificially
52274	fertilised
5829	pollen
7668	excluding
2643	cases
67315	leguminosae
10464	acknowledged
2125	difficulty
21634	manipulation
1328	half
100	twenty
447	plants
22934	fertility
2069	degree
14448	impaired
932	moreover
67330	gartner
4611	repeatedly
2356	crossed
2162	forms
733	common
3760	red
4422	blue
67708	pimpernels
67709	anagallis
67710	arvensis
67711	coerulea
17403	botanists
1570	rank
2149	varieties
670	found
3126	absolutely
32691	sterile
3896	doubt
1330	species
32691	sterile
67165	intercrossed
7717	believed
418	hand
18823	sterility
6	various
1330	species
2356	crossed
2069	degree
37017	graduates
15352	insensibly
418	hand
22934	fertility
719	pure
1330	species
941	easily
5522	affected
6	various
2364	circumstances
7186	practical
1045	purposes
1242	difficult
548	say
1565	where
947	perfect
22934	fertility
610	ends
18823	sterility
1030	begins
1260	think
1238	evidence
6441	required
17314	experienced
1389	observers
1360	lived
7117	namely
67169	kolreuter
67330	gartner
7319	arrived
50448	diametrically
583	opposite
1262	conclusions
6812	regard
2162	forms
8341	instructive
6049	compare
1057	space
874	enter
6559	details
1238	evidence
2738	advanced
17403	botanists
577	question
7308	doubtful
2162	forms
23458	ranked
1330	species
2149	varieties
1238	evidence
22934	fertility
2248	adduced
67712	hybridisers
1448	observer
5700	experiments
413	made
436	years
659	thus
807	shown
18823	sterility
22934	fertility
7228	affords
996	distinction
1330	species
2149	varieties
1238	evidence
3597	source
37017	graduates
7308	doubtful
2069	degree
1238	evidence
835	derived
32094	constitutional
21691	structural
2147	differences
6812	regard
18823	sterility
17449	hybrids
3697	successive
2811	generations
67330	gartner
3358	enabled
4175	rear
17449	hybrids
1214	carefully
37111	guarding
6474	cross
719	pure
2955	parent
3980	seven
2331	case
1827	ten
2811	generations
2326	asserts
7655	positively
22934	fertility
17329	increases
1538	generally
21719	decreases
1414	greatly
1099	suddenly
968	respect
21472	decrease
4180	noticed
40143	deviation
679	structure
1948	constitution
733	common
1203	parents
7954	transmitted
34598	augmented
2069	degree
1814	offspring
8601	sexual
808	elements
21265	hybrid
447	plants
5522	affected
2069	degree
5363	believe
22934	fertility
1354	diminished
813	nearly
2643	cases
1558	independent
3893	cause
7117	namely
65119	interbreeding
413	made
5700	experiments
760	collected
1651	facts
2301	showing
418	hand
2255	occasional
6474	cross
2115	distinct
2143	individual
4463	variety
17329	increases
12111	vigour
22934	fertility
1814	offspring
418	hand
65119	interbreeding
28114	lessens
12111	vigour
22934	fertility
3896	doubt
12706	correctness
6630	conclusion
17449	hybrids
2322	seldom
1516	raised
67713	experimentalists
790	great
1159	numbers
2955	parent
1330	species
797	allied
17449	hybrids
1538	generally
881	grow
3602	garden
2054	visits
1699	insects
1214	carefully
5183	prevented
17619	flowering
2923	season
2289	hence
17449	hybrids
1538	generally
52274	fertilised
1246	generation
5829	pollen
939	flower
3892	injurious
22934	fertility
10861	lessened
21265	hybrid
2474	origin
6500	strengthened
10687	conviction
841	remarkable
6985	statement
4611	repeatedly
413	made
67330	gartner
7117	namely
7902	fertile
17449	hybrids
11728	artificially
52274	fertilised
21265	hybrid
5829	pollen
958	kind
22934	fertility
2829	frequent
17321	effects
21634	manipulation
7175	decidedly
17329	increases
478	goes
2767	increasing
648	process
4942	artificial
67285	fertilisation
5829	pollen
976	taken
2717	chance
420	know
1364	experience
21228	anthers
939	flower
21228	anthers
939	flower
52274	fertilised
6474	cross
588	flowers
621	plant
659	thus
1531	effected
932	moreover
1000	complicated
5700	experiments
1528	progress
805	careful
1448	observer
67330	gartner
62215	castrated
17449	hybrids
20442	insured
1246	generation
6474	cross
5829	pollen
2115	distinct
939	flower
621	plant
621	plant
21265	hybrid
439	nature
659	thus
305	strange
714	fact
2764	increase
22934	fertility
3697	successive
2811	generations
11728	artificially
52274	fertilised
17449	hybrids
7738	contrast
26088	spontaneously
3422	self
52274	fertilised
5363	believe
7523	accounted
65119	interbreeding
7515	avoided
1506	let
1697	turn
5065	results
7319	arrived
79	third
17314	experienced
67714	hybridiser
7117	namely
120	hon
227	rev
8789	herbert
9767	emphatic
6630	conclusion
17449	hybrids
1323	perfectly
7902	fertile
7902	fertile
719	pure
2955	parent
1330	species
67169	kolreuter
67330	gartner
2069	degree
18823	sterility
2115	distinct
1330	species
3463	universal
3174	law
439	nature
23144	experimented
1330	species
67330	gartner
2178	difference
5065	results
1260	think
839	part
7523	accounted
8789	herbert
790	great
21313	horticultural
3005	skill
3478	hot
3786	houses
5566	command
1780	statements
13	give
2168	single
699	example
7117	namely
21394	ovule
23712	pod
67715	crinum
67716	capense
52274	fertilised
67717	revolutum
40	produced
621	plant
338	saw
1798	occur
2331	case
4	natural
67718	fecundation
947	perfect
1561	commonly
947	perfect
22934	fertility
6474	cross
2115	distinct
1330	species
2331	case
67715	crinum
1013	leads
1367	refer
1634	singular
714	fact
7117	namely
2143	individual
447	plants
1330	species
67282	lobelia
67719	verbascum
67720	passiflora
941	easily
52274	fertilised
5829	pollen
2115	distinct
1330	species
5829	pollen
621	plant
5829	pollen
2412	proved
1323	perfectly
1239	sound
67336	fertilising
447	plants
1330	species
2434	genus
67721	hippeastrum
67722	corydalis
807	shown
200	professor
33246	hildebrand
6	various
1886	orchids
807	shown
390	mr
20430	scott
31999	fritz
27889	muller
2142	individuals
1567	peculiar
725	condition
1330	species
5092	abnormal
2142	individuals
1330	species
2142	individuals
2765	actually
67706	hybridised
1443	readily
52274	fertilised
5829	pollen
2143	individual
621	plant
13	give
3282	instance
49217	bulb
67721	hippeastrum
67723	aulicum
40	produced
588	flowers
52274	fertilised
8789	herbert
5829	pollen
5956	fourth
7669	subsequently
52274	fertilised
5829	pollen
832	compound
21265	hybrid
3199	descended
2115	distinct
1330	species
1363	result
67550	ovaries
588	flowers
4212	ceased
881	grow
259	days
8359	perished
781	entirely
23712	pod
783	impregnated
5829	pollen
21265	hybrid
413	made
6448	vigorous
298	growth
3790	rapid
1528	progress
2760	maturity
4304	bore
1205	good
732	seed
33088	vegetated
2526	freely
390	mr
8789	herbert
2081	tried
706	similar
5700	experiments
436	years
1363	result
2643	cases
5879	serve
1725	show
972	slight
1008	mysterious
6065	causes
7536	lesser
731	greater
22934	fertility
1330	species
5261	depends
7186	practical
5700	experiments
67224	horticulturists
413	made
3426	scientific
1682	precision
3723	deserve
1733	notice
14343	notorious
1000	complicated
1296	manner
1330	species
67234	pelargonium
67724	fuchsia
67725	calceolaria
67726	petunia
56322	rhododendron
197	etc
2356	crossed
17449	hybrids
732	seed
2526	freely
3282	instance
8789	herbert
2326	asserts
21265	hybrid
67725	calceolaria
64809	integrifolia
67727	plantaginea
1330	species
2585	widely
8347	dissimilar
915	general
479	habit
21160	reproduces
1323	perfectly
4	natural
1330	species
1791	mountains
5621	chile
976	taken
2720	pains
5085	ascertain
2069	degree
22934	fertility
6319	complex
8649	crosses
67389	rhododendrons
7685	assured
1323	perfectly
7902	fertile
390	mr
9718	noble
3282	instance
6968	informs
22445	raises
21025	stocks
22748	grafting
21265	hybrid
41262	rhod
67728	ponticum
67729	catawbiense
21265	hybrid
620	seeds
2526	freely
5929	imagine
17449	hybrids
8733	fairly
5947	treated
3410	gone
21718	decreasing
22934	fertility
3697	successive
1246	generation
67330	gartner
7717	believed
2331	case
714	fact
14343	notorious
67228	nurserymen
67224	horticulturists
1982	raise
3484	beds
21265	hybrid
8733	fairly
5947	treated
1083	insect
7200	agency
2142	individuals
667	allowed
6474	cross
2526	freely
3892	injurious
5076	influence
65119	interbreeding
659	thus
5183	prevented
1443	readily
6743	convince
5395	efficiency
1083	insect
7200	agency
7702	examining
588	flowers
32691	sterile
2013	kinds
21265	hybrid
67389	rhododendrons
887	produce
5829	pollen
540	find
67319	stigmas
766	plenty
5829	pollen
2657	brought
588	flowers
6812	regard
293	animals
2712	fewer
5700	experiments
1214	carefully
2081	tried
447	plants
8249	systematic
3452	arrangements
12254	trusted
6233	genera
293	animals
2115	distinct
6233	genera
447	plants
8474	infer
293	animals
2585	widely
2115	distinct
1028	scale
439	nature
2356	crossed
941	easily
2331	case
447	plants
17449	hybrids
1260	think
32691	sterile
2442	borne
2443	mind
3357	owing
293	animals
3338	breeding
2526	freely
7465	confinement
5700	experiments
8733	fairly
2081	tried
3282	instance
16889	canary
321	bird
2356	crossed
1926	nine
2115	distinct
1330	species
4306	finches
5047	breeds
2526	freely
7465	confinement
8353	expect
8649	crosses
16889	canary
17449	hybrids
1323	perfectly
7902	fertile
968	respect
22934	fertility
3697	successive
2811	generations
7902	fertile
21265	hybrid
293	animals
2709	hardly
420	know
3282	instance
2718	families
21265	hybrid
1516	raised
607	time
1203	parents
1700	avoid
17321	effects
65119	interbreeding
1945	contrary
8268	brothers
11034	sisters
2356	crossed
3697	successive
1246	generation
6360	opposition
454	constantly
652	repeated
32945	admonition
67177	breeder
2331	case
3166	surprising
21715	inherent
18823	sterility
17449	hybrids
3410	gone
2767	increasing
420	know
2709	hardly
4182	thoroughly
19466	authenticated
2643	cases
1323	perfectly
7902	fertile
21265	hybrid
293	animals
1765	reason
5363	believe
17449	hybrids
64068	cervulus
67730	vaginalis
65209	reevesii
67731	phasianus
67732	colchicus
63636	torquatus
1323	perfectly
7902	fertile
67733	quatrefages
125	states
17449	hybrids
3918	moths
67734	bombyx
67735	cynthia
67736	arrindia
2412	proved
9672	paris
7902	fertile
21805	inter
20280	se
2770	eight
2811	generations
2359	lately
1709	asserted
2115	distinct
1330	species
8335	hare
8334	rabbit
3274	got
4602	breed
887	produce
1814	offspring
2089	highly
7902	fertile
2356	crossed
2955	parent
1330	species
17449	hybrids
733	common
17797	chinese
5212	geese
67737	cygnoides
1330	species
1538	generally
23458	ranked
2115	distinct
6233	genera
6932	bred
1093	country
719	pure
2955	parent
2168	single
3282	instance
6932	bred
21805	inter
20280	se
1531	effected
390	mr
67432	eyton
1516	raised
17449	hybrids
1203	parents
2792	hatches
294	birds
1516	raised
2770	eight
17449	hybrids
14358	grandchildren
719	pure
5212	geese
340	nest
7284	india
6474	cross
6932	bred
5212	geese
7902	fertile
7685	assured
1540	eminently
1822	capable
13842	judges
7117	namely
390	mr
32328	blyth
9700	captain
63867	hutton
5117	flocks
2356	crossed
5212	geese
984	kept
6	various
748	parts
1093	country
984	kept
9519	profit
1565	where
719	pure
2955	parent
1330	species
3419	exists
1438	certainly
2089	highly
1323	perfectly
7902	fertile
2017	domesticated
293	animals
6	various
2117	races
2356	crossed
7902	fertile
2643	cases
3199	descended
343	wild
1330	species
714	fact
4410	conclude
42913	aboriginal
2955	parent
1330	species
40	produced
1323	perfectly
7902	fertile
17449	hybrids
17449	hybrids
7669	subsequently
3500	reared
2345	domestication
4676	became
7902	fertile
2330	latter
25942	alternative
44406	propounded
57560	pallas
1193	seems
855	probable
815	indeed
2709	hardly
1560	doubted
3282	instance
5673	dogs
3199	descended
343	wild
21025	stocks
4318	exception
18208	indigenous
2897	domestic
5673	dogs
2627	south
1254	america
7902	fertile
2239	analogy
1961	makes
1414	greatly
3896	doubt
42913	aboriginal
1330	species
2526	freely
6932	bred
40	produced
7902	fertile
17449	hybrids
2359	lately
1601	acquired
22373	decisive
1238	evidence
2356	crossed
1814	offspring
3228	indian
8562	humped
733	common
4989	cattle
21805	inter
20280	se
1323	perfectly
7902	fertile
474	observations
67181	rutimeyer
64580	osteological
2147	differences
390	mr
32328	blyth
2147	differences
1240	habits
1392	voice
1948	constitution
197	etc
2162	forms
5703	regarded
1205	good
2115	distinct
1330	species
2086	remarks
2600	extended
86	chief
2117	races
7555	pig
834	therefore
13	give
5542	belief
3463	universal
18823	sterility
1330	species
2356	crossed
1851	look
18823	sterility
293	animals
33435	indelible
906	characteristic
1822	capable
4308	removed
2345	domestication
4184	finally
7656	ascertained
1651	facts
67060	intercrossing
447	plants
293	animals
4873	concluded
2069	degree
18823	sterility
8649	crosses
17449	hybrids
2232	extremely
915	general
1363	result
1032	state
532	knowledge
2092	considered
3126	absolutely
3463	universal
509	laws
8726	governing
18823	sterility
8649	crosses
17449	hybrids
5191	consider
3239	detail
509	laws
8726	governing
18823	sterility
8649	crosses
17449	hybrids
86	chief
1661	object
486	see
509	laws
2342	indicate
1330	species
2204	specially
7497	endowed
11549	quality
534	order
4971	prevent
5793	crossing
13888	blending
3458	utter
5035	confusion
1262	conclusions
1893	drawn
767	chiefly
67330	gartner
4417	admirable
558	work
67738	hybridisation
447	plants
976	taken
2720	pains
5085	ascertain
477	apply
293	animals
7672	scanty
532	knowledge
6812	regard
21265	hybrid
293	animals
4220	surprised
540	find
1538	generally
9365	rules
477	apply
27010	kingdoms
6129	remarked
2069	degree
22934	fertility
8649	crosses
17449	hybrids
37017	graduates
37220	zero
947	perfect
22934	fertility
3166	surprising
1918	curious
446	ways
67047	gradation
807	shown
50223	barest
5981	outline
1651	facts
1510	given
5829	pollen
621	plant
1161	family
750	placed
49180	stigma
621	plant
2115	distinct
1161	family
22438	exerts
5076	influence
8500	inorganic
7105	dust
491	absolute
37220	zero
22934	fertility
5829	pollen
1330	species
933	applied
49180	stigma
1330	species
2434	genus
782	yields
947	perfect
67047	gradation
2554	number
620	seeds
40	produced
813	nearly
4774	complete
4774	complete
22934	fertility
417	seen
5092	abnormal
2643	cases
3702	excess
22934	fertility
621	plant
5829	pollen
2865	produces
17449	hybrids
40	produced
887	produce
5829	pollen
719	pure
1203	parents
2168	single
7902	fertile
732	seed
2643	cases
905	trace
22934	fertility
2285	detected
5829	pollen
719	pure
2955	parent
1330	species
6871	causing
939	flower
21265	hybrid
11830	wither
1297	earlier
50541	withering
939	flower
664	known
2206	sign
22306	incipient
67285	fertilisation
1176	extreme
2069	degree
18823	sterility
3422	self
52274	fertilised
17449	hybrids
5922	producing
731	greater
731	greater
2554	number
620	seeds
947	perfect
22934	fertility
17449	hybrids
1516	raised
1330	species
1242	difficult
6474	cross
1373	rarely
887	produce
1814	offspring
1538	generally
32691	sterile
7754	parallelism
2125	difficulty
1422	making
6474	cross
18823	sterility
17449	hybrids
659	thus
40	produced
5039	classes
1651	facts
1538	generally
2461	confounded
553	means
9481	strict
2643	cases
719	pure
1330	species
2434	genus
67719	verbascum
124	united
2314	unusual
1917	facility
887	produce
2552	numerous
21265	hybrid
1814	offspring
17449	hybrids
1983	remarkably
32691	sterile
418	hand
1330	species
2356	crossed
1373	rarely
1176	extreme
2125	difficulty
17449	hybrids
40	produced
7902	fertile
1006	limits
2434	genus
3282	instance
67739	dianthus
583	opposite
2643	cases
1798	occur
22934	fertility
8649	crosses
17449	hybrids
941	easily
5522	affected
11423	unfavourable
539	conditions
719	pure
1330	species
22934	fertility
8649	crosses
11467	innately
925	variable
2069	degree
1330	species
2356	crossed
2364	circumstances
5261	depends
839	part
1948	constitution
2142	individuals
650	happen
4186	chosen
4530	experiment
17449	hybrids
2069	degree
22934	fertility
670	found
994	differ
1414	greatly
2142	individuals
1516	raised
732	seed
46013	capsule
4079	exposed
539	conditions
2481	term
8249	systematic
21815	affinity
2074	meant
915	general
7383	resemblance
1330	species
679	structure
1948	constitution
22934	fertility
8649	crosses
17449	hybrids
40	produced
4596	largely
13499	governed
8249	systematic
21815	affinity
2751	clearly
807	shown
17449	hybrids
1516	raised
1330	species
23458	ranked
65720	systematists
2115	distinct
2718	families
418	hand
796	closely
797	allied
1330	species
1538	generally
34995	uniting
1917	facility
11003	correspondence
8249	systematic
21815	affinity
1917	facility
5793	crossing
553	means
9481	strict
617	multitude
2643	cases
1510	given
796	closely
797	allied
1330	species
8408	unite
1176	extreme
2125	difficulty
418	hand
2115	distinct
1330	species
8408	unite
6068	utmost
1917	facility
1161	family
2434	genus
67739	dianthus
1330	species
1443	readily
2356	crossed
2434	genus
67740	silene
13728	persevering
4819	efforts
6351	failed
887	produce
2232	extremely
1330	species
2168	single
21265	hybrid
1006	limits
2434	genus
2188	meet
2178	difference
3282	instance
1330	species
67741	nicotiana
4596	largely
2356	crossed
1330	species
2434	genus
67330	gartner
670	found
67742	acuminata
1944	particularly
2115	distinct
1330	species
13603	obstinately
6351	failed
67284	fertilise
52274	fertilised
2770	eight
1330	species
67741	nicotiana
3285	analogous
1651	facts
1510	given
1172	able
223	point
958	kind
2719	amount
2178	difference
59305	recognisable
35	character
3948	sufficient
4971	prevent
1330	species
5793	crossing
807	shown
447	plants
2585	widely
479	habit
915	general
1615	appearance
800	strongly
437	marked
2147	differences
839	part
939	flower
5829	pollen
589	fruit
21396	cotyledons
2356	crossed
3607	annual
4690	perennial
447	plants
64581	deciduous
21204	evergreen
1377	trees
447	plants
4044	inhabiting
22713	stations
979	fitted
2232	extremely
21201	climates
2356	crossed
1612	ease
6072	reciprocal
6474	cross
1330	species
2725	mean
2331	case
3282	instance
1688	female
8320	ass
2356	crossed
9082	stallion
9882	mare
1183	male
8320	ass
1330	species
867	said
56559	reciprocally
2356	crossed
2187	widest
2178	difference
1917	facility
1422	making
6072	reciprocal
8649	crosses
2643	cases
2089	highly
2182	prove
10107	capacity
1330	species
6474	cross
1628	completely
1558	independent
8249	systematic
21815	affinity
2178	difference
679	structure
1948	constitution
61494	reproductive
9586	systems
7466	diversity
1363	result
6072	reciprocal
8649	crosses
1330	species
2202	observed
67169	kolreuter
13	give
3282	instance
67743	mirabilis
22946	jalapa
941	easily
52274	fertilised
5829	pollen
67744	longiflora
17449	hybrids
659	thus
40	produced
5758	sufficiently
7902	fertile
67169	kolreuter
2081	tried
408	hundred
884	times
2770	eight
436	years
67284	fertilise
56559	reciprocally
67744	longiflora
5829	pollen
22946	jalapa
10231	utterly
6351	failed
3209	equally
1889	striking
2643	cases
1510	given
67745	thuret
2202	observed
714	fact
65	sea
2988	weeds
67746	fuci
67330	gartner
932	moreover
670	found
2178	difference
1917	facility
1422	making
6072	reciprocal
8649	crosses
2232	extremely
733	common
7536	lesser
2069	degree
2202	observed
796	closely
592	related
2162	forms
67747	matthiola
67748	annua
67749	glabra
17403	botanists
1570	rank
2149	varieties
841	remarkable
714	fact
17449	hybrids
1516	raised
6072	reciprocal
8649	crosses
954	course
17366	compounded
1330	species
1330	species
1194	father
1199	mother
1373	rarely
994	differ
2146	external
7165	characters
1538	generally
994	differ
22934	fertility
1744	occasionally
2069	degree
1634	singular
9365	rules
1510	given
67330	gartner
3282	instance
1330	species
841	remarkable
1627	power
5793	crossing
1330	species
1330	species
2434	genus
841	remarkable
1627	power
14422	impressing
798	likeness
21265	hybrid
1814	offspring
508	powers
5327	necessarily
1824	go
17449	hybrids
2785	instead
1461	usual
2196	intermediate
35	character
1203	parents
796	closely
1957	resemble
17449	hybrids
41551	externally
719	pure
2955	parent
1330	species
1875	rare
3216	exceptions
2232	extremely
32691	sterile
17449	hybrids
2196	intermediate
679	structure
1203	parents
6003	exceptional
5092	abnormal
2142	individuals
1140	born
796	closely
1957	resemble
719	pure
1203	parents
17449	hybrids
10231	utterly
32691	sterile
17449	hybrids
1516	raised
732	seed
46013	capsule
3267	considerable
2069	degree
22934	fertility
1651	facts
1725	show
1628	completely
22934	fertility
21265	hybrid
1558	independent
2146	external
7383	resemblance
719	pure
2955	parent
9365	rules
1510	given
510	govern
22934	fertility
8649	crosses
17449	hybrids
486	see
2162	forms
2092	considered
1205	good
2115	distinct
1330	species
124	united
22934	fertility
37017	graduates
37220	zero
947	perfect
22934	fertility
22934	fertility
539	conditions
3702	excess
22934	fertility
1540	eminently
22422	susceptible
14207	favourable
11423	unfavourable
539	conditions
11467	innately
925	variable
553	means
2069	degree
6474	cross
17449	hybrids
40	produced
6474	cross
22934	fertility
17449	hybrids
592	related
2069	degree
1957	resemble
2146	external
1615	appearance
2955	parent
5177	lastly
1917	facility
1422	making
6474	cross
1330	species
13499	governed
8249	systematic
21815	affinity
2069	degree
7383	resemblance
2330	latter
6985	statement
2751	clearly
2412	proved
2178	difference
1363	result
6072	reciprocal
8649	crosses
1330	species
1123	according
1330	species
1194	father
1199	mother
1538	generally
2178	difference
1744	occasionally
2187	widest
2178	difference
1917	facility
21911	effecting
397	union
17449	hybrids
932	moreover
40	produced
6072	reciprocal
8649	crosses
994	differ
22934	fertility
6319	complex
1634	singular
9365	rules
2342	indicate
1330	species
7497	endowed
18823	sterility
911	simply
4971	prevent
3504	becoming
2461	confounded
439	nature
1260	think
876	why
18823	sterility
2232	extremely
2069	degree
6	various
1330	species
2356	crossed
2309	suppose
3209	equally
823	keep
13888	blending
876	why
2069	degree
18823	sterility
11467	innately
925	variable
2142	individuals
1330	species
876	why
1330	species
6474	cross
1917	facility
887	produce
32691	sterile
17449	hybrids
1330	species
6474	cross
1176	extreme
2125	difficulty
887	produce
8733	fairly
7902	fertile
17449	hybrids
876	why
790	great
2178	difference
1363	result
6072	reciprocal
6474	cross
1330	species
876	why
8041	asked
9506	production
17449	hybrids
7578	permitted
228	grant
1330	species
1627	power
5922	producing
17449	hybrids
1636	stop
1012	further
1823	propagation
5627	degrees
18823	sterility
6020	strictly
592	related
1917	facility
397	union
1203	parents
1193	seems
305	strange
2496	arrangement
5213	foregoing
9365	rules
1651	facts
418	hand
860	appear
2751	clearly
2342	indicate
18823	sterility
8649	crosses
17449	hybrids
911	simply
9484	incidental
6907	dependent
1191	unknown
2147	differences
61494	reproductive
9586	systems
2147	differences
1567	peculiar
5045	limited
439	nature
6072	reciprocal
8649	crosses
1330	species
1183	male
8601	sexual
452	element
2526	freely
1178	act
1688	female
8601	sexual
452	element
5889	reversed
2073	direction
12867	advisable
2177	explain
2536	fully
699	example
2725	mean
18823	sterility
9484	incidental
2147	differences
2204	specially
7497	endowed
11549	quality
10107	capacity
621	plant
57651	grafted
54971	budded
17086	unimportant
5119	welfare
1032	state
439	nature
10151	presume
2309	suppose
10107	capacity
2204	specially
7497	endowed
11549	quality
5314	admit
9484	incidental
2147	differences
509	laws
298	growth
447	plants
486	see
1765	reason
876	why
492	tree
953	take
2147	differences
2243	rate
298	growth
8687	hardness
786	wood
2772	period
756	flow
439	nature
21175	sap
197	etc
617	multitude
2643	cases
21596	assign
1765	reason
790	great
7466	diversity
885	size
447	plants
700	woody
47357	herbaceous
21204	evergreen
64581	deciduous
6997	adaptation
2585	widely
21201	climates
4971	prevent
22748	grafting
67738	hybridisation
22748	grafting
10107	capacity
5045	limited
8249	systematic
21815	affinity
1172	able
35409	graft
1377	trees
5238	belonging
2115	distinct
2718	families
418	hand
796	closely
797	allied
1330	species
2149	varieties
1330	species
1454	invariably
57651	grafted
1612	ease
10107	capacity
67738	hybridisation
553	means
3126	absolutely
13499	governed
8249	systematic
21815	affinity
2115	distinct
6233	genera
1161	family
57651	grafted
2643	cases
1330	species
2434	genus
953	take
5486	pear
57651	grafted
1443	readily
54927	quince
23458	ranked
2115	distinct
2434	genus
4178	apple
6779	member
2434	genus
2149	varieties
5486	pear
953	take
5627	degrees
1917	facility
54927	quince
2149	varieties
53406	apricot
5487	peach
2149	varieties
5488	plum
67330	gartner
670	found
27594	innate
2178	difference
2142	individuals
1330	species
5793	crossing
67750	sagaret
7826	believes
2331	case
2142	individuals
1330	species
57651	grafted
6072	reciprocal
8649	crosses
1917	facility
21911	effecting
397	union
2332	equal
22748	grafting
733	common
51994	gooseberry
3282	instance
57651	grafted
49555	currant
49555	currant
953	take
2125	difficulty
51994	gooseberry
417	seen
18823	sterility
17449	hybrids
61494	reproductive
1589	organs
8027	imperfect
725	condition
2331	case
2125	difficulty
34995	uniting
719	pure
1330	species
61494	reproductive
1589	organs
947	perfect
2115	distinct
5039	classes
2643	cases
1476	run
1341	extent
5987	parallel
3285	analogous
1787	occurs
22748	grafting
67751	thouin
670	found
1330	species
67752	robinia
67538	seeded
2526	freely
948	roots
57651	grafted
790	great
2125	difficulty
5956	fourth
1330	species
659	thus
57651	grafted
655	rendered
8159	barren
418	hand
1330	species
67753	sorbus
57651	grafted
1330	species
7784	yielded
1735	twice
589	fruit
948	roots
4584	reminded
2330	latter
714	fact
6094	extraordinary
2643	cases
67721	hippeastrum
67720	passiflora
197	etc
732	seed
2526	freely
52274	fertilised
5829	pollen
2115	distinct
1330	species
52274	fertilised
5829	pollen
621	plant
659	thus
486	see
431	clear
790	great
2178	difference
2116	mere
32840	adhesion
57651	grafted
21025	stocks
397	union
1183	male
1688	female
808	elements
1178	act
19069	reproduction
1909	rude
2069	degree
7754	parallelism
5065	results
22748	grafting
5793	crossing
2115	distinct
1330	species
1851	look
1918	curious
6319	complex
509	laws
8726	governing
1917	facility
1377	trees
57651	grafted
9484	incidental
1191	unknown
2147	differences
37867	vegetative
9586	systems
5363	believe
6319	complex
509	laws
8726	governing
1917	facility
8649	crosses
9484	incidental
1191	unknown
2147	differences
61494	reproductive
9586	systems
2147	differences
2643	cases
5123	follow
1341	extent
2896	expected
8249	systematic
21815	affinity
2481	term
958	kind
7383	resemblance
67754	dissimilarity
21627	organic
1021	beings
2225	attempted
6814	expressed
1651	facts
553	means
1125	seem
2342	indicate
731	greater
7536	lesser
2125	difficulty
22748	grafting
5793	crossing
6	various
1330	species
50673	endowment
2331	case
5793	crossing
2125	difficulty
12022	endurance
23746	stability
7817	specific
2162	forms
2331	case
22748	grafting
17086	unimportant
5119	welfare
2474	origin
6065	causes
18823	sterility
8649	crosses
17449	hybrids
607	time
886	appeared
855	probable
1025	others
18823	sterility
8649	crosses
17449	hybrids
1833	slowly
1601	acquired
4	natural
6819	selection
1495	slightly
10861	lessened
5627	degrees
22934	fertility
2174	variation
26088	spontaneously
886	appeared
2142	individuals
4463	variety
2356	crossed
4463	variety
2751	clearly
6869	advantageous
2149	varieties
22306	incipient
1330	species
984	kept
13888	blending
1151	principle
303	man
421	selecting
607	time
2149	varieties
485	necessary
823	keep
929	separate
1216	place
6129	remarked
1330	species
4044	inhabiting
2115	distinct
1282	regions
32691	sterile
2356	crossed
2751	clearly
3092	advantage
942	separated
1330	species
655	rendered
8740	mutually
32691	sterile
5341	consequently
1531	effected
4	natural
6819	selection
8437	argued
1330	species
655	rendered
32691	sterile
10182	compatriot
18823	sterility
1330	species
5123	follow
485	necessary
43305	contingency
1216	place
12744	opposed
6055	theory
4	natural
6819	selection
6824	creation
6072	reciprocal
8649	crosses
1183	male
452	element
838	form
655	rendered
10231	utterly
8263	impotent
838	form
607	time
1183	male
452	element
838	form
3358	enabled
2526	freely
67284	fertilise
838	form
1567	peculiar
1032	state
61494	reproductive
4412	system
2709	hardly
6869	advantageous
1330	species
2219	probability
4	natural
6819	selection
1070	come
469	action
4696	rendering
1330	species
8740	mutually
32691	sterile
1611	greatest
2125	difficulty
670	found
3275	lie
844	existence
6919	graduated
3175	steps
1495	slightly
10861	lessened
22934	fertility
491	absolute
18823	sterility
1301	admitted
9519	profit
22306	incipient
1330	species
655	rendered
972	slight
2069	degree
32691	sterile
2356	crossed
2955	parent
838	form
4463	variety
659	thus
2712	fewer
67755	bastardised
24454	deteriorated
1814	offspring
40	produced
67756	commingle
1103	blood
1330	species
648	process
7639	formation
953	take
1212	trouble
9885	reflect
3175	steps
2069	degree
18823	sterility
5105	increased
4	natural
6819	selection
2069	degree
733	common
1330	species
3463	universal
1330	species
18025	differentiated
18590	generic
1161	family
1570	rank
540	find
427	subject
23628	extraordinarily
6319	complex
3331	mature
6583	reflection
1193	seems
1531	effected
4	natural
6819	selection
953	take
2331	case
1330	species
2356	crossed
40	produced
32691	sterile
1814	offspring
9755	favour
33005	survival
2142	individuals
5248	happened
7497	endowed
1495	slightly
1027	higher
2069	degree
4187	mutual
67164	infertility
659	thus
2070	approached
1556	step
491	absolute
18823	sterility
2814	advance
958	kind
6055	theory
4	natural
6819	selection
2657	brought
1969	bear
959	incessantly
7767	occurred
1330	species
617	multitude
8740	mutually
8159	barren
32691	sterile
6809	neuter
1699	insects
1765	reason
5363	believe
8343	modifications
679	structure
22934	fertility
1833	slowly
7673	accumulated
4	natural
6819	selection
3092	advantage
659	thus
5293	indirectly
1510	given
2562	community
9027	belonged
6785	communities
1330	species
2143	individual
67	animal
5238	belonging
4311	social
2562	community
655	rendered
1495	slightly
32691	sterile
2356	crossed
4463	variety
659	thus
5062	gain
3092	advantage
5293	indirectly
13	give
3092	advantage
2142	individuals
4463	variety
659	thus
4633	leading
13231	preservation
34154	superfluous
11962	discuss
577	question
3239	detail
447	plants
21464	conclusive
1238	evidence
18823	sterility
2356	crossed
1330	species
384	due
1151	principle
1558	independent
4	natural
6819	selection
67330	gartner
67169	kolreuter
2412	proved
6233	genera
5384	including
2552	numerous
1330	species
951	series
981	formed
1330	species
2356	crossed
12343	yield
2712	fewer
2712	fewer
620	seeds
1330	species
887	produce
2168	single
732	seed
5522	affected
5829	pollen
1330	species
67757	germen
14614	swells
6083	manifestly
1579	impossible
7287	select
32691	sterile
2142	individuals
4212	ceased
12343	yield
620	seeds
49153	acme
18823	sterility
67757	germen
1531	effected
4874	gained
6819	selection
509	laws
8726	governing
6	various
3202	grades
18823	sterility
3977	uniform
67	animal
689	vegetable
27010	kingdoms
8474	infer
3893	cause
813	nearly
2643	cases
1851	look
898	closer
855	probable
439	nature
2147	differences
1330	species
12774	induce
18823	sterility
8649	crosses
17449	hybrids
2331	case
8649	crosses
731	greater
2125	difficulty
21911	effecting
397	union
9387	obtaining
1814	offspring
2022	apparently
5261	depends
2115	distinct
6065	causes
6151	physical
13368	impossibility
1183	male
452	element
1831	reaching
21394	ovule
2331	case
621	plant
17974	pistil
5829	pollen
5842	tubes
4599	reach
67521	ovarium
2202	observed
5829	pollen
1330	species
750	placed
49180	stigma
8010	distantly
797	allied
1330	species
5829	pollen
5842	tubes
21229	protrude
7504	penetrate
67334	stigmatic
935	surface
1183	male
452	element
4599	reach
1688	female
452	element
11414	incapable
6871	causing
17631	embryo
946	developed
1193	seems
2331	case
67745	thuret
5700	experiments
67746	fuci
6958	explanation
1510	given
1651	facts
876	why
1377	trees
57651	grafted
1025	others
5177	lastly
17631	embryo
946	developed
4974	perish
2772	period
2330	latter
25942	alternative
5758	sufficiently
5192	attended
5363	believe
474	observations
2619	communicated
390	mr
17130	hewitt
790	great
1364	experience
67758	hybridising
47363	pheasants
4325	fowls
2058	death
17631	embryo
2829	frequent
3893	cause
18823	sterility
8649	crosses
390	mr
20456	salter
4461	recently
1510	given
5065	results
899	examination
753	eggs
40	produced
6	various
8649	crosses
1330	species
67182	gallus
17449	hybrids
3596	majority
753	eggs
52274	fertilised
3596	majority
52274	fertilised
753	eggs
46033	embryos
3489	partially
946	developed
8359	perished
644	become
813	nearly
3331	mature
21	young
2856	chickens
2630	unable
755	break
2856	chickens
1140	born
3590	fifths
1691	died
259	days
13349	latest
987	weeks
799	obvious
3893	cause
2022	apparently
2116	mere
6709	inability
1653	live
753	eggs
1609	twelve
2856	chickens
3500	reared
447	plants
67759	hybridized
46033	embryos
4974	perish
1296	manner
664	known
17449	hybrids
1516	raised
2115	distinct
1330	species
2193	weak
53555	dwarfed
4974	perish
1829	age
714	fact
17813	max
67760	wichura
4461	recently
1510	given
1889	striking
2643	cases
21265	hybrid
8155	willows
4727	worth
7261	noticing
2643	cases
67322	parthenogenesis
46033	embryos
753	eggs
3637	silk
3918	moths
52274	fertilised
587	pass
3429	stages
955	development
4974	perish
46033	embryos
40	produced
6474	cross
2115	distinct
1330	species
3504	becoming
5916	acquainted
1651	facts
8892	unwilling
5363	believe
2829	frequent
2058	death
21265	hybrid
46033	embryos
17449	hybrids
1140	born
1538	generally
3816	healthy
1360	lived
486	see
2331	case
733	common
17705	mule
17449	hybrids
5583	differently
37900	circumstanced
1813	birth
1140	born
1093	country
1565	where
1203	parents
1653	live
1538	generally
750	placed
2371	suitable
539	conditions
74	life
21265	hybrid
28158	partakes
1328	half
439	nature
1948	constitution
1199	mother
834	therefore
1813	birth
19378	nourished
1199	mother
37893	womb
683	egg
732	seed
40	produced
1199	mother
4079	exposed
539	conditions
2069	degree
6467	unsuitable
5341	consequently
4608	liable
4974	perish
2772	period
1731	especially
21	young
1021	beings
1540	eminently
3529	sensitive
3892	injurious
2302	unnatural
539	conditions
74	life
3893	cause
468	lies
37840	imperfection
493	original
1178	act
21981	impregnation
6871	causing
17631	embryo
8495	imperfectly
946	developed
539	conditions
7669	subsequently
4079	exposed
6812	regard
18823	sterility
17449	hybrids
8601	sexual
808	elements
8495	imperfectly
946	developed
2331	case
1026	somewhat
8449	alluded
739	body
1651	facts
2301	showing
293	animals
447	plants
4308	removed
4	natural
539	conditions
2232	extremely
4608	liable
61494	reproductive
9586	systems
15980	seriously
5522	affected
714	fact
790	great
2345	domestication
293	animals
18823	sterility
659	thus
67761	superinduced
17449	hybrids
2438	points
2460	similarity
2643	cases
18823	sterility
1558	independent
915	general
5139	health
891	accompanied
3702	excess
885	size
790	great
43950	luxuriance
2643	cases
18823	sterility
1787	occurs
6	various
5627	degrees
1183	male
452	element
4608	liable
5522	affected
1688	female
1183	male
2424	tendency
478	goes
1341	extent
8249	systematic
21815	affinity
2830	groups
293	animals
447	plants
655	rendered
8263	impotent
2302	unnatural
539	conditions
2830	groups
1330	species
5421	tend
887	produce
32691	sterile
17449	hybrids
418	hand
1330	species
2846	group
2336	resist
790	great
952	changes
539	conditions
14227	unimpaired
22934	fertility
1330	species
2846	group
887	produce
1815	unusually
7902	fertile
17449	hybrids
490	tell
3763	tries
2917	particular
67	animal
4602	breed
7465	confinement
18887	exotic
621	plant
732	seed
2526	freely
7063	culture
490	tell
3763	tries
1330	species
2434	genus
887	produce
32691	sterile
17449	hybrids
5177	lastly
21627	organic
1021	beings
750	placed
2811	generations
539	conditions
4	natural
2232	extremely
4608	liable
847	vary
1193	seems
1993	partly
384	due
61494	reproductive
9586	systems
2204	specially
5522	affected
7536	lesser
2069	degree
18823	sterility
5264	ensues
17449	hybrids
1814	offspring
3697	successive
2811	generations
1540	eminently
4608	liable
847	vary
48856	experimentalist
2202	observed
659	thus
486	see
21627	organic
1021	beings
750	placed
2302	unnatural
539	conditions
17449	hybrids
40	produced
2302	unnatural
5793	crossing
1330	species
61494	reproductive
4412	system
3421	independently
915	general
1032	state
5139	health
5522	affected
706	similar
1296	manner
2331	case
539	conditions
74	life
3743	disturbed
972	slight
2069	degree
49727	inappreciable
2331	case
17449	hybrids
2146	external
539	conditions
1452	remained
12920	organisation
3743	disturbed
2115	distinct
4560	structures
22292	constitutions
5384	including
954	course
61494	reproductive
9586	systems
5750	blended
4280	scarcely
67762	organisations
17366	compounded
6601	disturbance
6577	occurring
955	development
6928	periodical
469	action
4187	mutual
501	relations
748	parts
1589	organs
539	conditions
74	life
17449	hybrids
1172	able
4602	breed
21805	inter
20280	se
27077	transmit
1814	offspring
1246	generation
1246	generation
17366	compounded
12920	organisation
2289	hence
4220	surprised
18823	sterility
2069	degree
925	variable
5869	diminish
4583	apt
2764	increase
1538	generally
1363	result
8494	explained
65119	interbreeding
4991	view
18823	sterility
17449	hybrids
4377	caused
22292	constitutions
17366	compounded
800	strongly
6896	maintained
17813	max
67760	wichura
11700	owned
5860	understand
4991	view
1651	facts
968	respect
18823	sterility
17449	hybrids
3282	instance
7705	unequal
22934	fertility
17449	hybrids
40	produced
6072	reciprocal
8649	crosses
5105	increased
18823	sterility
17449	hybrids
1744	occasionally
22622	exceptionally
1957	resemble
796	closely
719	pure
2955	parent
2671	pretend
5213	foregoing
2086	remarks
1824	go
611	root
428	matter
6958	explanation
4399	offered
876	why
22183	organism
750	placed
2302	unnatural
539	conditions
655	rendered
32691	sterile
2225	attempted
1725	show
2643	cases
845	respects
797	allied
18823	sterility
733	common
1363	result
2331	case
539	conditions
74	life
3743	disturbed
2331	case
12920	organisation
3743	disturbed
67762	organisations
17366	compounded
706	similar
7754	parallelism
1853	holds
1205	good
797	allied
3195	class
1651	facts
359	old
3463	universal
5542	belief
6671	founded
3267	considerable
739	body
1238	evidence
3468	elsewhere
1510	given
972	slight
952	changes
539	conditions
74	life
3880	beneficial
530	things
486	see
5751	acted
7765	farmers
16982	gardeners
2829	frequent
17480	exchanges
732	seed
46069	tubers
197	etc
605	soil
4168	climate
22378	convalescence
293	animals
790	great
5125	benefit
835	derived
889	change
1240	habits
74	life
447	plants
293	animals
33564	clearest
1238	evidence
6474	cross
2142	individuals
1330	species
994	differ
1341	extent
695	gives
12111	vigour
22934	fertility
1814	offspring
65119	interbreeding
649	continued
2811	generations
4424	nearest
501	relations
984	kept
539	conditions
74	life
1013	leads
7799	decreased
885	size
7341	weakness
18823	sterility
2289	hence
1193	seems
418	hand
972	slight
952	changes
539	conditions
74	life
5125	benefit
21627	organic
1021	beings
418	hand
972	slight
8649	crosses
8649	crosses
1806	males
1710	females
1330	species
6664	subjected
1495	slightly
539	conditions
1495	slightly
2137	varied
13	give
12111	vigour
22934	fertility
1814	offspring
417	seen
21627	organic
1021	beings
37819	habituated
3977	uniform
539	conditions
1032	state
439	nature
6664	subjected
7465	confinement
3267	considerable
889	change
539	conditions
1365	frequently
655	rendered
32691	sterile
420	know
6474	cross
2162	forms
644	become
2585	widely
23814	specifically
887	produce
17449	hybrids
2069	degree
32691	sterile
2536	fully
14289	persuaded
2169	double
7754	parallelism
553	means
10009	accident
13467	illusion
1172	able
2177	explain
876	why
2575	elephant
617	multitude
293	animals
11414	incapable
3338	breeding
984	kept
3204	partial
7465	confinement
2268	native
1093	country
1172	able
2177	explain
5600	primary
3893	cause
17449	hybrids
1538	generally
32691	sterile
607	time
1172	able
2177	explain
2117	races
2017	domesticated
293	animals
6664	subjected
3977	uniform
539	conditions
7902	fertile
3199	descended
2115	distinct
1330	species
32691	sterile
67180	aboriginally
2356	crossed
5987	parallel
951	series
1651	facts
1125	seem
3553	connected
733	common
1191	unknown
13729	bond
484	essentially
592	related
1151	principle
74	life
1151	principle
1123	according
390	mr
8789	herbert
13974	spencer
74	life
5261	depends
608	consists
3160	incessant
469	action
6370	reaction
6	various
5484	forces
439	nature
8393	tending
1519	equilibrium
2424	tendency
1495	slightly
3743	disturbed
889	change
1158	vital
5484	forces
5062	gain
1627	power
6072	reciprocal
67151	dimorphism
67152	trimorphism
427	subject
5010	briefly
11363	discussed
670	found
1626	throw
3104	light
67150	hybridism
447	plants
5238	belonging
2115	distinct
5873	orders
2162	forms
875	exist
2332	equal
1159	numbers
994	differ
968	respect
61494	reproductive
1589	organs
838	form
17974	pistil
5851	stamens
17974	pistil
5851	stamens
5583	differently
3647	sized
5829	pollen
619	grains
67333	trimorphic
447	plants
2162	forms
6195	differing
13798	lengths
21233	pistils
5851	stamens
885	size
9916	colour
5829	pollen
619	grains
845	respects
2162	forms
773	sets
5851	stamens
2162	forms
1302	possess
464	altogether
773	sets
5851	stamens
2013	kinds
21233	pistils
1589	organs
24449	proportioned
1758	length
1328	half
5851	stamens
2162	forms
513	stand
1456	level
49180	stigma
79	third
838	form
807	shown
1363	result
2439	confirmed
1389	observers
534	order
705	obtain
498	full
22934	fertility
447	plants
485	necessary
49180	stigma
838	form
52274	fertilised
5829	pollen
976	taken
5851	stamens
7029	corresponding
1347	height
838	form
21205	dimorphic
1330	species
33583	unions
661	called
15885	legitimate
2536	fully
7902	fertile
661	called
33926	illegitimate
67763	infertile
67333	trimorphic
1330	species
33583	unions
15885	legitimate
2536	fully
7902	fertile
1609	twelve
33926	illegitimate
67763	infertile
67164	infertility
2202	observed
6	various
21205	dimorphic
67333	trimorphic
447	plants
67764	illegitimately
52274	fertilised
5829	pollen
976	taken
5851	stamens
7029	corresponding
1347	height
17974	pistil
8723	differs
2069	degree
491	absolute
3458	utter
18823	sterility
1296	manner
1787	occurs
5793	crossing
2115	distinct
1330	species
2069	degree
18823	sterility
2330	latter
2331	case
5261	depends
6558	eminent
2069	degree
539	conditions
74	life
14207	favourable
670	found
33926	illegitimate
33583	unions
664	known
5829	pollen
2115	distinct
1330	species
750	placed
49180	stigma
939	flower
5829	pollen
4367	afterwards
3267	considerable
6882	interval
607	time
750	placed
49180	stigma
469	action
800	strongly
67329	prepotent
1538	generally
57297	annihilates
5087	effect
6756	foreign
5829	pollen
5829	pollen
2162	forms
1330	species
15885	legitimate
5829	pollen
800	strongly
67329	prepotent
33926	illegitimate
5829	pollen
750	placed
49180	stigma
7656	ascertained
67336	fertilising
588	flowers
67764	illegitimately
100	twenty
668	hours
4367	afterwards
6956	legitimately
5829	pollen
976	taken
7348	peculiarly
3288	coloured
4463	variety
18300	seedlings
7062	similarly
3288	coloured
2201	shows
15885	legitimate
5829	pollen
933	applied
100	twenty
668	hours
7669	subsequently
716	wholly
2797	destroyed
5183	prevented
469	action
4198	previously
933	applied
33926	illegitimate
5829	pollen
1422	making
6072	reciprocal
8649	crosses
1330	species
1744	occasionally
790	great
2178	difference
1363	result
481	thing
1787	occurs
67333	trimorphic
447	plants
3282	instance
33282	styled
838	form
67765	lythrum
67766	salicaria
67764	illegitimately
52274	fertilised
1611	greatest
1612	ease
5829	pollen
2543	longer
5851	stamens
33282	styled
838	form
7784	yielded
620	seeds
2330	latter
838	form
12343	yield
2168	single
732	seed
52274	fertilised
2543	longer
5851	stamens
33282	styled
838	form
845	respects
1025	others
901	added
2162	forms
12150	undoubted
1330	species
67764	illegitimately
124	united
16500	behave
2153	exactly
1296	manner
2115	distinct
1330	species
2356	crossed
441	led
1214	carefully
1635	observe
436	years
18300	seedlings
1516	raised
33926	illegitimate
33583	unions
86	chief
1363	result
33926	illegitimate
447	plants
661	called
2536	fully
7902	fertile
1982	raise
21205	dimorphic
1330	species
33282	styled
33282	styled
33926	illegitimate
447	plants
67333	trimorphic
447	plants
33926	illegitimate
2162	forms
1913	properly
124	united
15885	legitimate
1296	manner
2745	apparent
1765	reason
876	why
12343	yield
620	seeds
1203	parents
6956	legitimately
52274	fertilised
2331	case
67763	infertile
6	various
5627	degrees
10231	utterly
67767	incurably
32691	sterile
12343	yield
4948	seasons
2168	single
732	seed
732	seed
46013	capsule
18823	sterility
33926	illegitimate
447	plants
124	united
15885	legitimate
1296	manner
6020	strictly
894	compared
17449	hybrids
2356	crossed
21805	inter
20280	se
418	hand
21265	hybrid
2356	crossed
719	pure
2955	parent
1330	species
18823	sterility
10861	lessened
33926	illegitimate
621	plant
52274	fertilised
15885	legitimate
621	plant
1296	manner
18823	sterility
17449	hybrids
1476	run
5987	parallel
2125	difficulty
1422	making
6474	cross
2955	parent
1330	species
18823	sterility
33926	illegitimate
447	plants
1815	unusually
790	great
18823	sterility
397	union
835	derived
553	means
790	great
17449	hybrids
1516	raised
732	seed
46013	capsule
2069	degree
18823	sterility
11467	innately
925	variable
437	marked
1296	manner
33926	illegitimate
447	plants
5177	lastly
17449	hybrids
22426	profuse
12911	persistent
67768	flowerers
32691	sterile
17449	hybrids
887	produce
588	flowers
2193	weak
10458	miserable
59249	dwarfs
2153	exactly
706	similar
2643	cases
1798	occur
33926	illegitimate
1814	offspring
6	various
21205	dimorphic
67333	trimorphic
447	plants
464	altogether
15800	closest
21886	identity
35	character
26937	behaviour
33926	illegitimate
447	plants
17449	hybrids
2709	hardly
11302	exaggeration
1837	maintain
33926	illegitimate
447	plants
17449	hybrids
40	produced
1006	limits
1330	species
28645	improper
397	union
2162	forms
1264	ordinary
17449	hybrids
40	produced
28645	improper
397	union
661	called
2115	distinct
1330	species
417	seen
15800	closest
2460	similarity
845	respects
33926	illegitimate
33583	unions
8649	crosses
2115	distinct
1330	species
413	made
2536	fully
2745	apparent
288	illustration
2309	suppose
8255	botanist
670	found
437	marked
2149	varieties
1798	occur
33282	styled
838	form
67333	trimorphic
67765	lythrum
67766	salicaria
5865	determined
6596	try
5793	crossing
23814	specifically
2115	distinct
540	find
7784	yielded
5957	fifth
514	proper
2554	number
732	seed
6747	behaved
9427	specified
845	respects
2115	distinct
1330	species
473	make
2331	case
1982	raise
447	plants
4480	supposed
67706	hybridised
732	seed
540	find
18300	seedlings
10668	miserably
53555	dwarfed
10231	utterly
32691	sterile
6747	behaved
845	respects
1264	ordinary
17449	hybrids
1837	maintain
2765	actually
2412	proved
7448	accordance
733	common
4991	view
2149	varieties
1205	good
2115	distinct
1330	species
535	world
1628	completely
6673	mistaken
1651	facts
1510	given
21205	dimorphic
67333	trimorphic
447	plants
1725	show
7045	physiological
2710	test
10861	lessened
22934	fertility
8649	crosses
17449	hybrids
1215	safe
1325	criterion
7817	specific
996	distinction
5040	secondly
4410	conclude
1191	unknown
13729	bond
27797	connects
67164	infertility
33926	illegitimate
33583	unions
33926	illegitimate
1814	offspring
441	led
1795	extend
4991	view
8649	crosses
17449	hybrids
5042	thirdly
540	find
1193	seems
2009	especial
795	importance
2162	forms
1330	species
875	exist
994	differ
968	respect
679	structure
1948	constitution
2815	relatively
2146	external
539	conditions
32691	sterile
124	united
446	ways
3198	remember
397	union
8601	sexual
808	elements
2142	individuals
838	form
3282	instance
33282	styled
2162	forms
5065	results
18823	sterility
397	union
8601	sexual
808	elements
514	proper
2115	distinct
2162	forms
7902	fertile
2289	hence
2331	case
851	appears
3311	sight
2153	exactly
10747	reverse
1787	occurs
1264	ordinary
33583	unions
2142	individuals
1330	species
8649	crosses
2115	distinct
1330	species
7308	doubtful
28088	enlarge
7734	obscure
427	subject
8474	infer
855	probable
5118	consideration
21205	dimorphic
67333	trimorphic
447	plants
18823	sterility
2115	distinct
1330	species
2356	crossed
21265	hybrid
3950	progeny
5261	depends
842	exclusively
439	nature
8601	sexual
808	elements
2178	difference
679	structure
915	general
1948	constitution
441	led
6630	conclusion
6072	reciprocal
8649	crosses
1183	male
1330	species
124	united
124	united
790	great
2125	difficulty
1688	female
1330	species
14596	converse
6474	cross
1531	effected
947	perfect
1917	facility
1447	excellent
1448	observer
67330	gartner
4873	concluded
1330	species
2356	crossed
32691	sterile
3357	owing
2147	differences
5200	confined
61494	reproductive
9586	systems
22934	fertility
2149	varieties
2356	crossed
34969	mongrel
1814	offspring
3463	universal
1504	urged
8727	overwhelming
2247	argument
852	essential
996	distinction
1330	species
2149	varieties
14435	inasmuch
2330	latter
994	differ
2146	external
1615	appearance
6474	cross
947	perfect
1917	facility
12343	yield
1323	perfectly
7902	fertile
1814	offspring
3216	exceptions
4131	presently
1510	given
2536	fully
5314	admit
426	rule
427	subject
3540	surrounded
1276	difficulties
3035	looking
2149	varieties
40	produced
439	nature
2162	forms
10150	hitherto
3754	reputed
2149	varieties
670	found
2069	degree
32691	sterile
23458	ranked
415	naturalists
1330	species
3282	instance
4422	blue
3760	red
67769	pimpernel
2092	considered
17403	botanists
2149	varieties
867	said
67330	gartner
32691	sterile
2356	crossed
5341	consequently
3189	ranks
12150	undoubted
1330	species
659	thus
15754	argue
5805	circle
22934	fertility
2149	varieties
40	produced
439	nature
10576	assuredly
3076	granted
1697	turn
2149	varieties
40	produced
4480	supposed
40	produced
2345	domestication
12149	involved
3896	doubt
1912	stated
3282	instance
2627	south
18208	indigenous
2897	domestic
5673	dogs
1443	readily
8408	unite
1305	european
5673	dogs
6958	explanation
1798	occur
3199	descended
67180	aboriginally
2115	distinct
1330	species
947	perfect
22934	fertility
2897	domestic
2117	races
6195	differing
2585	widely
1615	appearance
3282	instance
2869	pigeon
40077	cabbage
841	remarkable
714	fact
1731	especially
9885	reflect
1330	species
1398	resembling
796	closely
10231	utterly
32691	sterile
67165	intercrossed
8312	considerations
4322	render
22934	fertility
2897	domestic
2149	varieties
841	remarkable
1216	place
2202	observed
2719	amount
2146	external
2178	difference
1330	species
6207	guide
2069	degree
4187	mutual
18823	sterility
706	similar
2147	differences
2331	case
2149	varieties
6207	guide
1330	species
3893	cause
468	lies
842	exclusively
2147	differences
8601	sexual
1948	constitution
6422	varying
539	conditions
2017	domesticated
293	animals
3435	cultivated
447	plants
6664	subjected
2424	tendency
40741	modifying
61494	reproductive
4412	system
1296	manner
4633	leading
4187	mutual
18823	sterility
1205	good
2367	grounds
7197	admitting
583	opposite
14371	doctrine
57560	pallas
7117	namely
539	conditions
1538	generally
22017	eliminate
2424	tendency
2017	domesticated
8275	descendants
1330	species
4	natural
1032	state
2069	degree
32691	sterile
2356	crossed
644	become
1323	perfectly
7902	fertile
447	plants
17131	cultivation
1638	giving
2424	tendency
18823	sterility
2115	distinct
1330	species
19466	authenticated
2643	cases
8449	alluded
447	plants
5522	affected
583	opposite
1296	manner
644	become
3422	self
8263	impotent
7266	retaining
10107	capacity
67336	fertilising
52274	fertilised
1330	species
67770	pallasian
14371	doctrine
22153	elimination
18823	sterility
649	continued
2345	domestication
1301	admitted
2709	hardly
6468	rejected
762	becomes
2041	highest
2069	degree
5622	improbable
706	similar
539	conditions
649	continued
12774	induce
2424	tendency
2643	cases
1330	species
1567	peculiar
1948	constitution
18823	sterility
1744	occasionally
659	thus
4377	caused
659	thus
5363	believe
5860	understand
876	why
2017	domesticated
293	animals
2149	varieties
40	produced
8740	mutually
32691	sterile
876	why
447	plants
2643	cases
1510	given
2202	observed
2125	difficulty
427	subject
851	appears
876	why
2897	domestic
2149	varieties
644	become
8740	mutually
67763	infertile
2356	crossed
876	why
1538	generally
7767	occurred
4	natural
2149	varieties
16695	permanently
6124	modified
3948	sufficient
2069	degree
953	take
1570	rank
1330	species
2409	precisely
10159	knowing
3893	cause
3166	surprising
1751	seeing
12761	profoundly
6728	ignorant
6812	regard
21725	normal
5092	abnormal
469	action
61494	reproductive
4412	system
486	see
1330	species
3357	owing
3075	struggle
844	existence
2552	numerous
7290	competitors
4079	exposed
843	periods
607	time
3977	uniform
539	conditions
2897	domestic
2149	varieties
473	make
1670	wide
2178	difference
1363	result
420	know
1561	commonly
343	wild
293	animals
447	plants
976	taken
4	natural
539	conditions
6664	subjected
1718	captivity
655	rendered
32691	sterile
61494	reproductive
1024	functions
21627	organic
1021	beings
1360	lived
4	natural
539	conditions
1296	manner
1540	eminently
3529	sensitive
5076	influence
2302	unnatural
6474	cross
2017	domesticated
26943	productions
418	hand
807	shown
2116	mere
714	fact
2345	domestication
6818	originally
2089	highly
3529	sensitive
952	changes
539	conditions
74	life
1538	generally
2336	resist
1632	undiminished
22934	fertility
652	repeated
952	changes
539	conditions
2896	expected
887	produce
2149	varieties
4608	liable
61494	reproductive
508	powers
27704	injuriously
5522	affected
1178	act
5793	crossing
2149	varieties
1299	originated
1296	manner
5841	spoken
2149	varieties
1330	species
1454	invariably
7902	fertile
67165	intercrossed
1579	impossible
2336	resist
1238	evidence
844	existence
2719	amount
18823	sterility
2643	cases
5010	briefly
19719	abstract
1238	evidence
1205	good
5363	believe
18823	sterility
617	multitude
1330	species
1238	evidence
835	derived
11038	hostile
1316	witnesses
2643	cases
5191	consider
22934	fertility
18823	sterility
1215	safe
67771	criterions
7817	specific
996	distinction
67330	gartner
984	kept
436	years
12579	dwarf
958	kind
36730	maize
402	yellow
620	seeds
1380	tall
4463	variety
3760	red
620	seeds
1832	growing
3602	garden
447	plants
942	separated
4342	sexes
1683	naturally
2356	crossed
52274	fertilised
3878	thirteen
588	flowers
958	kind
5829	pollen
2168	single
747	head
40	produced
732	seed
747	head
40	produced
619	grains
21634	manipulation
2331	case
3892	injurious
447	plants
942	separated
4342	sexes
5363	believe
4199	suspected
2149	varieties
36730	maize
2115	distinct
1330	species
1733	notice
21265	hybrid
447	plants
659	thus
1516	raised
1323	perfectly
7902	fertile
67330	gartner
3257	venture
5191	consider
2149	varieties
23814	specifically
2115	distinct
67772	girou
1771	de
67773	buzareingues
2356	crossed
2149	varieties
4258	gourd
36730	maize
942	separated
4342	sexes
2326	asserts
4187	mutual
67285	fertilisation
914	easy
2147	differences
731	greater
5700	experiments
12254	trusted
420	know
2162	forms
23144	experimented
23458	ranked
67750	sagaret
3180	mainly
66755	founds
7167	classification
2710	test
67164	infertility
2149	varieties
67091	naudin
1070	come
6630	conclusion
2331	case
841	remarkable
1193	seems
16114	incredible
1363	result
2312	astonishing
2554	number
5700	experiments
413	made
436	years
1926	nine
1330	species
67719	verbascum
1205	good
1448	observer
11038	hostile
10872	witness
67330	gartner
7117	namely
402	yellow
411	white
2149	varieties
2356	crossed
887	produce
732	seed
7062	similarly
3288	coloured
2149	varieties
1330	species
932	moreover
2326	asserts
402	yellow
411	white
2149	varieties
1330	species
2356	crossed
402	yellow
411	white
2149	varieties
2115	distinct
1330	species
732	seed
40	produced
8649	crosses
7062	similarly
3288	coloured
588	flowers
5583	differently
3288	coloured
390	mr
20430	scott
23144	experimented
1330	species
2149	varieties
67719	verbascum
2630	unable
7524	confirm
67330	gartner
5065	results
5793	crossing
2115	distinct
1330	species
506	finds
49428	dissimilarly
3288	coloured
2149	varieties
1330	species
12343	yield
2712	fewer
620	seeds
537	proportion
3798	eighty
7062	similarly
3288	coloured
2149	varieties
2149	varieties
994	differ
968	respect
9916	colour
588	flowers
4463	variety
1516	raised
732	seed
67169	kolreuter
2227	accuracy
2439	confirmed
2440	subsequent
1448	observer
2412	proved
841	remarkable
714	fact
2917	particular
4463	variety
733	common
7810	tobacco
7902	fertile
2149	varieties
2356	crossed
2585	widely
2115	distinct
1330	species
23144	experimented
2162	forms
1561	commonly
3754	reputed
2149	varieties
533	tested
47592	severest
10970	trial
7117	namely
6072	reciprocal
8649	crosses
670	found
34969	mongrel
1814	offspring
1323	perfectly
7902	fertile
2149	varieties
1194	father
1199	mother
2356	crossed
67741	nicotiana
67774	glutinosa
7784	yielded
17449	hybrids
32691	sterile
40	produced
2149	varieties
2356	crossed
67774	glutinosa
2289	hence
61494	reproductive
4412	system
4463	variety
1296	manner
2069	degree
6124	modified
1651	facts
2543	longer
6896	maintained
2149	varieties
2356	crossed
1454	invariably
7902	fertile
790	great
2125	difficulty
21796	ascertaining
67164	infertility
2149	varieties
1032	state
439	nature
4480	supposed
4463	variety
2412	proved
67763	infertile
2069	degree
20962	universally
23458	ranked
1330	species
303	man
2690	attending
2146	external
7165	characters
2897	domestic
2149	varieties
2149	varieties
4079	exposed
843	periods
3977	uniform
539	conditions
74	life
8312	considerations
4410	conclude
22934	fertility
1271	constitute
998	fundamental
996	distinction
2149	varieties
1330	species
2356	crossed
915	general
18823	sterility
2356	crossed
1330	species
1218	safely
4391	looked
6825	acquirement
50673	endowment
9484	incidental
952	changes
1191	unknown
439	nature
8601	sexual
808	elements
17449	hybrids
67153	mongrels
894	compared
3421	independently
22934	fertility
3421	independently
577	question
22934	fertility
1814	offspring
1330	species
2149	varieties
2356	crossed
894	compared
845	respects
67330	gartner
2341	strong
6119	wish
2338	draw
2115	distinct
3915	line
1330	species
2149	varieties
540	find
1193	seems
17086	unimportant
2147	differences
661	called
21265	hybrid
1814	offspring
1330	species
661	called
34969	mongrel
1814	offspring
2149	varieties
418	hand
993	agree
796	closely
845	respects
11962	discuss
427	subject
1176	extreme
12766	brevity
996	distinction
1246	generation
67153	mongrels
925	variable
17449	hybrids
67330	gartner
6965	admits
17449	hybrids
1330	species
3435	cultivated
925	variable
1246	generation
417	seen
1889	striking
2746	instances
714	fact
67330	gartner
1012	further
6965	admits
17449	hybrids
796	closely
797	allied
1330	species
925	variable
2115	distinct
1330	species
2201	shows
2178	difference
2069	degree
2122	variability
37017	graduates
67153	mongrels
7902	fertile
17449	hybrids
6821	propagated
2811	generations
1176	extreme
2719	amount
2122	variability
1814	offspring
2643	cases
14343	notorious
2746	instances
17449	hybrids
67153	mongrels
7266	retaining
3977	uniform
35	character
1510	given
2122	variability
3697	successive
2811	generations
67153	mongrels
731	greater
17449	hybrids
731	greater
2122	variability
67153	mongrels
17449	hybrids
1125	seem
3166	surprising
1203	parents
67153	mongrels
2149	varieties
1941	mostly
2897	domestic
2149	varieties
5700	experiments
2081	tried
4	natural
2149	varieties
5343	implies
2405	recent
2122	variability
1160	continue
14345	augment
3262	arising
1178	act
5793	crossing
972	slight
2122	variability
17449	hybrids
1246	generation
7738	contrast
3343	succeeding
2811	generations
1918	curious
714	fact
12956	deserves
1663	attention
3272	bears
4991	view
976	taken
6065	causes
1264	ordinary
2122	variability
7117	namely
61494	reproductive
4412	system
1540	eminently
3529	sensitive
1086	changed
539	conditions
74	life
8477	fails
2364	circumstances
6633	perform
514	proper
5970	function
5922	producing
1814	offspring
796	closely
706	similar
845	respects
2955	parent
838	form
17449	hybrids
1246	generation
3199	descended
1330	species
7668	excluding
3435	cultivated
61494	reproductive
9586	systems
5522	affected
925	variable
17449	hybrids
61494	reproductive
9586	systems
15980	seriously
5522	affected
8275	descendants
2089	highly
925	variable
578	return
2675	comparison
67153	mongrels
17449	hybrids
67330	gartner
125	states
67153	mongrels
4608	liable
17449	hybrids
33023	revert
2955	parent
838	form
1438	certainly
2178	difference
2069	degree
932	moreover
67330	gartner
10263	expressly
125	states
17449	hybrids
3435	cultivated
447	plants
427	subject
3205	reversion
17449	hybrids
1330	species
4	natural
1032	state
1023	explains
1634	singular
2178	difference
5065	results
7319	arrived
1389	observers
659	thus
17813	max
67760	wichura
11425	doubts
17449	hybrids
33023	revert
2955	parent
2162	forms
23144	experimented
9210	uncultivated
1330	species
8155	willows
67091	naudin
418	hand
24349	insists
2186	strongest
14	terms
3463	universal
2424	tendency
3205	reversion
17449	hybrids
23144	experimented
767	chiefly
3435	cultivated
447	plants
67330	gartner
1012	further
125	states
1330	species
796	closely
797	allied
2356	crossed
79	third
1330	species
17449	hybrids
2585	widely
2115	distinct
2149	varieties
1330	species
2356	crossed
1330	species
17449	hybrids
994	differ
6630	conclusion
473	make
6671	founded
2168	single
4530	experiment
1193	seems
12744	opposed
5065	results
5700	experiments
413	made
67169	kolreuter
17086	unimportant
2147	differences
67330	gartner
1172	able
223	point
21265	hybrid
34969	mongrel
447	plants
418	hand
5627	degrees
2013	kinds
7383	resemblance
67153	mongrels
17449	hybrids
7203	respective
1203	parents
1731	especially
17449	hybrids
40	produced
813	nearly
592	related
1330	species
5123	follow
1123	according
67330	gartner
509	laws
1330	species
2356	crossed
67329	prepotent
1627	power
14422	impressing
798	likeness
21265	hybrid
5363	believe
2149	varieties
447	plants
293	animals
4463	variety
1438	certainly
67329	prepotent
1627	power
4463	variety
21265	hybrid
447	plants
40	produced
6072	reciprocal
6474	cross
1538	generally
1957	resemble
796	closely
34969	mongrel
447	plants
6072	reciprocal
6474	cross
17449	hybrids
67153	mongrels
2839	reduced
719	pure
2955	parent
838	form
652	repeated
8649	crosses
3697	successive
2811	generations
2955	parent
2086	remarks
2022	apparently
9433	applicable
293	animals
427	subject
1000	complicated
1993	partly
3357	owing
844	existence
16491	secondary
8601	sexual
7165	characters
1731	especially
3357	owing
67775	prepotency
31680	transmitting
798	likeness
868	running
800	strongly
2553	sex
1330	species
2356	crossed
4463	variety
2356	crossed
4463	variety
3282	instance
1260	think
17166	authors
1837	maintain
8320	ass
67329	prepotent
1627	power
2870	horse
17705	mule
67776	hinny
1957	resemble
796	closely
8320	ass
2870	horse
67775	prepotency
737	runs
800	strongly
1183	male
1688	female
8320	ass
17705	mule
1814	offspring
1183	male
8320	ass
9882	mare
8320	ass
67776	hinny
1814	offspring
1688	female
8320	ass
9082	stallion
10220	stress
1185	laid
17166	authors
4480	supposed
714	fact
67153	mongrels
1814	offspring
2196	intermediate
35	character
796	closely
1957	resemble
1203	parents
1798	occur
17449	hybrids
228	grant
1365	frequently
67153	mongrels
3035	looking
2643	cases
760	collected
6474	cross
6932	bred
293	animals
796	closely
1398	resembling
2955	parent
367	resemblances
1125	seem
767	chiefly
5200	confined
7165	characters
11161	monstrous
439	nature
1099	suddenly
886	appeared
67178	albinism
67777	melanism
28610	deficiency
3136	tail
16654	horns
1313	additional
1706	fingers
1992	toes
4405	relate
7165	characters
1833	slowly
1601	acquired
6819	selection
2424	tendency
2079	sudden
67146	reversions
947	perfect
35	character
2955	parent
4340	likely
1798	occur
67153	mongrels
3199	descended
2149	varieties
1099	suddenly
40	produced
2230	semi
11161	monstrous
35	character
17449	hybrids
3199	descended
1330	species
1833	slowly
1683	naturally
40	produced
781	entirely
993	agree
1355	dr
12157	prosper
40327	lucas
6407	arranging
2584	enormous
739	body
1651	facts
968	respect
293	animals
2637	comes
6630	conclusion
509	laws
7383	resemblance
505	child
1203	parents
1203	parents
994	differ
7117	namely
397	union
2142	individuals
4463	variety
2149	varieties
2115	distinct
1330	species
3421	independently
577	question
22934	fertility
18823	sterility
845	respects
1193	seems
915	general
2460	similarity
1814	offspring
2356	crossed
1330	species
2356	crossed
2149	varieties
1851	look
1330	species
2204	specially
2826	created
2149	varieties
40	produced
16491	secondary
509	laws
2460	similarity
2312	astonishing
714	fact
61505	harmonises
1323	perfectly
4991	view
852	essential
996	distinction
1330	species
2149	varieties
22545	summary
2851	chapter
8649	crosses
2162	forms
5758	sufficiently
2115	distinct
23458	ranked
1330	species
17449	hybrids
1538	generally
20962	universally
32691	sterile
18823	sterility
5627	degrees
972	slight
805	careful
67713	experimentalists
7319	arrived
50448	diametrically
583	opposite
1262	conclusions
20933	ranking
2162	forms
2710	test
18823	sterility
11467	innately
925	variable
2142	individuals
1330	species
1540	eminently
22422	susceptible
469	action
14207	favourable
11423	unfavourable
539	conditions
2069	degree
18823	sterility
6020	strictly
5123	follow
8249	systematic
21815	affinity
13499	governed
1918	curious
6319	complex
509	laws
1538	generally
2585	widely
6072	reciprocal
8649	crosses
1330	species
2332	equal
2069	degree
6474	cross
17449	hybrids
40	produced
6474	cross
1296	manner
22748	grafting
1377	trees
10107	capacity
1330	species
4463	variety
953	take
9484	incidental
2147	differences
1538	generally
1191	unknown
439	nature
37867	vegetative
9586	systems
5793	crossing
731	greater
1917	facility
1330	species
8408	unite
9484	incidental
1191	unknown
2147	differences
61494	reproductive
9586	systems
1765	reason
1260	think
1330	species
2204	specially
7497	endowed
6	various
5627	degrees
18823	sterility
4971	prevent
5793	crossing
13888	blending
439	nature
1260	think
1377	trees
2204	specially
7497	endowed
6	various
1026	somewhat
3285	analogous
5627	degrees
2125	difficulty
57651	grafted
534	order
4971	prevent
67778	inarching
1268	forests
18823	sterility
8649	crosses
21265	hybrid
3950	progeny
1601	acquired
4	natural
6819	selection
2331	case
8649	crosses
1193	seems
5107	depend
2364	circumstances
2746	instances
86	chief
839	part
2058	death
17631	embryo
2331	case
17449	hybrids
2022	apparently
5261	depends
12920	organisation
3743	disturbed
17366	compounded
2115	distinct
2162	forms
18823	sterility
796	closely
797	allied
1365	frequently
6037	affects
719	pure
1330	species
4079	exposed
2302	unnatural
539	conditions
74	life
2177	explain
2330	latter
2643	cases
1172	able
2177	explain
18823	sterility
17449	hybrids
4991	view
800	strongly
1990	supported
7754	parallelism
958	kind
7117	namely
6826	firstly
972	slight
952	changes
539	conditions
74	life
2976	add
12111	vigour
22934	fertility
21627	organic
1021	beings
5040	secondly
5793	crossing
2162	forms
4079	exposed
1495	slightly
539	conditions
74	life
2137	varied
11965	favours
885	size
12111	vigour
22934	fertility
1814	offspring
1651	facts
1510	given
18823	sterility
33926	illegitimate
33583	unions
21205	dimorphic
67333	trimorphic
447	plants
33926	illegitimate
3950	progeny
4322	render
855	probable
1191	unknown
13729	bond
2643	cases
27797	connects
2069	degree
22934	fertility
33583	unions
1814	offspring
5118	consideration
1651	facts
67151	dimorphism
5065	results
6072	reciprocal
8649	crosses
2751	clearly
1013	leads
6630	conclusion
5600	primary
3893	cause
18823	sterility
2356	crossed
1330	species
5200	confined
2147	differences
8601	sexual
808	elements
876	why
2331	case
2115	distinct
1330	species
8601	sexual
808	elements
1538	generally
644	become
6124	modified
4633	leading
4187	mutual
67164	infertility
420	know
1193	seems
513	stand
313	relation
1330	species
4079	exposed
843	periods
607	time
813	nearly
3977	uniform
539	conditions
74	life
3166	surprising
2125	difficulty
5793	crossing
1330	species
18823	sterility
21265	hybrid
1814	offspring
2643	cases
6144	correspond
384	due
2115	distinct
6065	causes
5107	depend
2719	amount
2178	difference
1330	species
2356	crossed
3166	surprising
1917	facility
21911	effecting
6474	cross
22934	fertility
17449	hybrids
659	thus
40	produced
10107	capacity
57651	grafted
2330	latter
10107	capacity
1762	evidently
5261	depends
2585	widely
2364	circumstances
1476	run
1341	extent
5987	parallel
8249	systematic
21815	affinity
2162	forms
6664	subjected
4530	experiment
8249	systematic
21815	affinity
5043	includes
367	resemblances
2013	kinds
8649	crosses
2162	forms
664	known
2149	varieties
5758	sufficiently
2154	alike
2092	considered
2149	varieties
34969	mongrel
1814	offspring
1538	generally
1912	stated
1454	invariably
7902	fertile
3463	universal
947	perfect
22934	fertility
3166	surprising
791	remembered
4608	liable
15754	argue
5805	circle
968	respect
2149	varieties
1032	state
439	nature
3198	remember
731	greater
2554	number
2149	varieties
40	produced
2345	domestication
6819	selection
2116	mere
2146	external
2147	differences
4079	exposed
3977	uniform
539	conditions
74	life
1731	especially
984	kept
2443	mind
649	continued
2345	domestication
580	tends
22017	eliminate
18823	sterility
834	therefore
4340	likely
12774	induce
11549	quality
3421	independently
577	question
22934	fertility
845	respects
15800	closest
915	general
7383	resemblance
17449	hybrids
67153	mongrels
2122	variability
1627	power
14780	absorbing
652	repeated
8649	crosses
1200	inheritance
7165	characters
2955	parent
2162	forms
4184	finally
6728	ignorant
4478	precise
3893	cause
18823	sterility
8649	crosses
17449	hybrids
876	why
293	animals
447	plants
4308	removed
4	natural
539	conditions
644	become
32691	sterile
1651	facts
1510	given
2851	chapter
1125	seem
12744	opposed
5542	belief
1330	species
67180	aboriginally
5061	existed
2149	varieties
2851	chapter
37840	imperfection
6220	geological
5402	record
4815	absence
2196	intermediate
2149	varieties
967	day
439	nature
3469	extinct
2196	intermediate
2149	varieties
2554	number
6735	lapse
607	time
12512	inferred
2243	rate
41331	denudation
7812	deposition
2554	number
6735	lapse
607	time
2088	estimated
436	years
67154	poorness
44810	palaeontological
1257	collections
67155	intermittence
6220	geological
41338	formations
41331	denudation
45164	granitic
22441	areas
4815	absence
2196	intermediate
2149	varieties
7639	formation
2079	sudden
1615	appearance
2830	groups
1330	species
2079	sudden
1615	appearance
2749	lowest
664	known
67156	fossiliferous
6016	strata
13969	antiquity
36542	habitable
64	earth
2850	sixth
2851	chapter
8613	enumerated
86	chief
23735	objections
8711	justly
1504	urged
14503	views
6896	maintained
24	volume
11363	discussed
7117	namely
14299	distinctness
7817	specific
2162	forms
5750	blended
602	innumerable
18118	transitional
4343	links
799	obvious
2125	difficulty
10005	assigned
8492	reasons
876	why
4343	links
1561	commonly
1798	occur
967	day
2364	circumstances
2022	apparently
14207	favourable
2287	presence
7117	namely
2123	extensive
7657	continuous
2433	area
6919	graduated
6151	physical
539	conditions
39925	endeavoured
1725	show
74	life
1330	species
5261	depends
1296	manner
2287	presence
7118	defined
21627	organic
2162	forms
4168	climate
834	therefore
8726	governing
539	conditions
74	life
25304	graduate
15352	insensibly
3441	heat
3366	moisture
39925	endeavoured
1725	show
2196	intermediate
2149	varieties
1138	existing
7536	lesser
1159	numbers
2162	forms
6503	connect
1538	generally
765	beaten
7828	exterminated
954	course
1012	further
973	modification
11299	improvement
3217	main
3893	cause
602	innumerable
2196	intermediate
4343	links
6577	occurring
5525	everywhere
439	nature
5261	depends
648	process
4	natural
6819	selection
2149	varieties
4865	continually
953	take
1184	places
19368	supplant
2955	parent
2162	forms
537	proportion
648	process
12628	extermination
5751	acted
2584	enormous
1028	scale
2554	number
2196	intermediate
2149	varieties
2647	formerly
5061	existed
3138	truly
2584	enormous
876	why
6220	geological
7639	formation
7678	stratum
498	full
2196	intermediate
4343	links
38061	geology
10576	assuredly
12219	reveal
19985	finely
6919	graduated
21627	organic
8270	chain
799	obvious
576	serious
12367	objection
1504	urged
6055	theory
6958	explanation
468	lies
5363	believe
1176	extreme
37840	imperfection
6220	geological
5402	record
1216	place
2442	borne
2443	mind
802	sort
2196	intermediate
2162	forms
6055	theory
2647	formerly
5061	existed
670	found
1242	difficult
3035	looking
1330	species
1700	avoid
9091	picturing
2162	forms
2196	intermediate
716	wholly
2006	false
4991	view
1851	look
2162	forms
2196	intermediate
1330	species
733	common
1191	unknown
18262	progenitor
18262	progenitor
1538	generally
7649	differed
845	respects
6124	modified
8275	descendants
13	give
515	simple
288	illustration
67190	fantail
67188	pouter
4324	pigeons
3199	descended
3146	rock
2869	pigeon
1393	possessed
2196	intermediate
2149	varieties
5061	existed
2232	extremely
951	series
3146	rock
2869	pigeon
2149	varieties
2196	intermediate
67190	fantail
67188	pouter
3282	instance
21333	combining
3136	tail
1026	somewhat
1954	expanded
5112	crop
1026	somewhat
2304	enlarged
906	characteristic
2501	features
5047	breeds
5047	breeds
932	moreover
644	become
6124	modified
158	historical
8502	indirect
1238	evidence
1245	regarding
2474	origin
5865	determined
2116	mere
2675	comparison
679	structure
3146	rock
2869	pigeon
67195	livia
3199	descended
1330	species
797	allied
1330	species
67779	oenas
4	natural
1330	species
1851	look
2162	forms
2115	distinct
3282	instance
2870	horse
9181	tapir
1765	reason
2309	suppose
4343	links
2196	intermediate
5061	existed
1191	unknown
733	common
2955	parent
733	common
2955	parent
12920	organisation
915	general
7383	resemblance
9181	tapir
2870	horse
2438	points
679	structure
7649	differed
2173	considerably
994	differ
2289	hence
2643	cases
2630	unable
11210	recognise
2955	parent
838	form
1330	species
796	closely
894	compared
679	structure
2955	parent
6124	modified
8275	descendants
607	time
813	nearly
947	perfect
8270	chain
2196	intermediate
4343	links
6055	theory
2162	forms
3199	descended
3282	instance
2870	horse
9181	tapir
2331	case
1304	direct
2196	intermediate
4343	links
5061	existed
2331	case
2726	imply
838	form
1452	remained
2772	period
12845	unaltered
8275	descendants
3668	undergone
1434	vast
2719	amount
889	change
1151	principle
17513	competition
22183	organism
22183	organism
505	child
2955	parent
4322	render
1875	rare
4770	event
2643	cases
7729	improved
2162	forms
74	life
5421	tend
19368	supplant
359	old
67360	unimproved
2162	forms
6055	theory
4	natural
6819	selection
1330	species
3553	connected
2955	parent
1330	species
2434	genus
2147	differences
731	greater
486	see
4	natural
2897	domestic
2149	varieties
1330	species
967	day
2955	parent
1330	species
1538	generally
3469	extinct
1697	turn
7062	similarly
3553	connected
4347	ancient
2162	forms
5587	backwards
32552	converging
733	common
8288	ancestor
790	great
3195	class
2554	number
2196	intermediate
18118	transitional
4343	links
3469	extinct
1330	species
55841	inconceivably
790	great
10576	assuredly
6055	theory
1360	lived
64	earth
6735	lapse
607	time
12512	inferred
2243	rate
7812	deposition
1341	extent
41331	denudation
3421	independently
480	finding
6834	fossil
525	remains
12240	infinitely
2552	numerous
23335	connecting
4343	links
8387	objected
607	time
32912	sufficed
790	great
2719	amount
21627	organic
889	change
952	changes
1531	effected
1833	slowly
2709	hardly
8404	recall
5352	reader
7186	practical
8248	geologist
1651	facts
4633	leading
2443	mind
9955	feebly
12795	comprehend
6735	lapse
607	time
2848	read
322	sir
194	charles
44085	lyell
4499	grand
558	work
7546	principles
38061	geology
2984	future
18321	historian
11210	recognise
40	produced
1629	revolution
4	natural
392	science
5314	admit
1434	vast
843	periods
607	time
24	volume
35253	suffices
470	study
7546	principles
38061	geology
2848	read
32403	treatises
1389	observers
929	separate
41338	formations
5684	mark
26	author
12272	attempts
13	give
21051	inadequate
1581	idea
4378	duration
7639	formation
7678	stratum
5062	gain
1581	idea
607	time
10159	knowing
24479	agencies
558	work
7891	learning
3708	deeply
935	surface
274	land
51169	denuded
669	sediment
680	deposited
44085	lyell
6129	remarked
1341	extent
4056	thickness
41339	sedimentary
41338	formations
1363	result
4979	measure
41331	denudation
64	earth
3533	crust
3468	elsewhere
3668	undergone
834	therefore
303	man
2150	examine
790	great
3889	piles
40990	superimposed
6016	strata
3283	watch
22619	rivulets
2529	bringing
3567	mud
5052	waves
14620	wearing
65	sea
5645	cliffs
534	order
12795	comprehend
4378	duration
607	time
19981	monuments
486	see
1205	good
521	wander
2642	coast
981	formed
7800	moderately
487	rocks
5684	mark
648	process
12318	degradation
12161	tides
2643	cases
4599	reach
5645	cliffs
607	time
1735	twice
967	day
5052	waves
348	eat
5165	charged
927	sand
7666	pebbles
1205	good
1238	evidence
719	pure
635	water
17321	effects
14620	wearing
3146	rock
1779	base
5630	cliff
7791	undermined
2549	huge
4224	fragments
776	fall
2194	remaining
604	fixed
4192	worn
1192	atom
1192	atom
2839	reduced
885	size
6200	rolled
5052	waves
2593	quickly
626	ground
7666	pebbles
927	sand
3567	mud
486	see
3369	bases
6513	retreating
5645	cliffs
6780	rounded
7772	boulders
2495	thickly
7723	clothed
5604	marine
26943	productions
2301	showing
54519	abraded
2322	seldom
6200	rolled
932	moreover
5123	follow
1421	miles
3915	line
5233	rocky
5630	cliff
14933	undergoing
12318	degradation
540	find
1758	length
48917	promontory
5645	cliffs
607	time
10632	suffering
1615	appearance
935	surface
3633	vegetation
1725	show
3468	elsewhere
436	years
6618	elapsed
2635	waters
666	washed
1779	base
4461	recently
6961	learned
474	observations
45404	ramsay
95	van
1447	excellent
1389	observers
67780	jukes
67781	geikie
67782	croll
1025	others
67783	subaerial
12318	degradation
7200	agency
2642	coast
469	action
1627	power
5052	waves
935	surface
274	land
4079	exposed
806	chemical
469	action
821	air
67784	rainwater
728	dissolved
921	carbonic
922	acid
22367	colder
7142	countries
3526	frost
40966	disintegrated
428	matter
3238	carried
1684	gentle
1370	slopes
4309	heavy
2106	rain
731	greater
1341	extent
4480	supposed
1731	especially
33749	arid
3362	districts
7640	wind
18230	transported
3186	streams
4042	rivers
3790	rapid
2045	deepen
3959	channels
64866	triturate
4224	fragments
1931	rainy
967	day
8636	gently
27496	undulating
1093	country
486	see
17321	effects
67783	subaerial
12318	degradation
5794	muddy
3970	rills
756	flow
2155	slope
386	messrs
45404	ramsay
38062	whitaker
807	shown
1537	observation
1889	striking
790	great
4263	lines
44246	escarpment
67785	wealden
5738	district
9785	ranging
174	england
2647	formerly
4391	looked
4347	ancient
65	sea
33622	coasts
659	thus
981	formed
3915	line
768	composed
7639	formation
65	sea
5645	cliffs
5525	everywhere
981	formed
21063	intersection
6	various
41338	formations
2331	case
7373	compelled
5314	admit
54837	escarpments
8693	owe
2474	origin
86	chief
839	part
487	rocks
768	composed
15329	resisted
67783	subaerial
41331	denudation
4147	surrounding
935	surface
935	surface
5341	consequently
945	gradually
4288	lowered
4263	lines
15123	harder
3146	rock
2692	projecting
55729	impresses
2443	mind
1434	vast
4378	duration
607	time
1123	according
6675	ideas
607	time
6578	forcibly
10687	conviction
659	thus
4874	gained
67783	subaerial
24479	agencies
2022	apparently
1627	power
1125	seem
558	work
1833	slowly
40	produced
790	great
5065	results
659	thus
6464	impressed
1818	slow
2243	rate
274	land
4192	worn
67783	subaerial
35931	littoral
469	action
1205	good
534	order
3517	appreciate
4378	duration
607	time
5191	consider
418	hand
2795	masses
3146	rock
4308	removed
2123	extensive
22441	areas
418	hand
4056	thickness
41339	sedimentary
41338	formations
3198	remember
6185	struck
9428	viewing
20659	volcanic
1333	islands
4192	worn
5052	waves
62073	pared
5644	perpendicular
5645	cliffs
496	thousand
1346	feet
1347	height
1684	gentle
2155	slope
8139	lava
3186	streams
384	due
2647	formerly
1707	liquid
1032	state
4359	showed
1747	glance
5233	rocky
3484	beds
2600	extended
3229	ocean
246	story
282	told
3733	plainly
5997	faults
790	great
8160	cracks
6016	strata
67786	upheaved
1503	side
2694	thrown
1347	height
2503	depth
2714	thousands
1346	feet
3533	crust
1905	cracked
1961	makes
790	great
2178	difference
25822	upheaval
2079	sudden
43329	geologists
5363	believe
1818	slow
1531	effected
19904	starts
935	surface
274	land
1628	completely
41971	planed
905	trace
1434	vast
60244	dislocations
41551	externally
3550	visible
13402	craven
11054	fault
3282	instance
2629	extends
1517	upward
2358	thirty
1421	miles
3915	line
3914	vertical
8628	displacement
6016	strata
2172	varies
1346	feet
200	professor
45404	ramsay
2437	published
1089	account
67787	downthrow
43366	anglesea
1346	feet
6968	informs
2536	fully
7826	believes
67788	merionethshire
1346	feet
2643	cases
935	surface
274	land
1725	show
1391	prodigious
1574	movements
3541	pile
487	rocks
1503	side
5907	crack
11811	smoothly
5900	swept
418	hand
748	parts
535	world
3889	piles
41339	sedimentary
6016	strata
327	wonderful
4056	thickness
5626	cordillera
2088	estimated
119	mass
28648	conglomerate
1827	ten
496	thousand
1346	feet
67789	conglomerates
7673	accumulated
1108	quicker
2243	rate
19732	finer
44078	sediments
981	formed
4192	worn
6780	rounded
7666	pebbles
3272	bears
19780	stamp
607	time
1205	good
1725	show
1833	slowly
119	mass
7654	heaped
200	professor
45404	ramsay
1510	given
9499	maximum
4056	thickness
5274	actual
6013	measurement
2643	cases
3697	successive
41338	formations
748	parts
790	great
7473	britain
1363	result
1346	feet
44077	palaeozoic
6016	strata
5384	including
44293	igneous
3484	beds
16491	secondary
6016	strata
8144	tertiary
6016	strata
1422	making
464	altogether
1346	feet
813	nearly
3878	thirteen
2895	quarters
5732	british
1421	miles
41338	formations
595	represented
174	england
2607	thin
3484	beds
2714	thousands
1346	feet
4056	thickness
6973	continent
932	moreover
3697	successive
7639	formation
6702	opinion
43329	geologists
10186	blank
843	periods
2584	enormous
1758	length
5468	lofty
3541	pile
41339	sedimentary
487	rocks
7473	britain
695	gives
21051	inadequate
1581	idea
607	time
6618	elapsed
4302	accumulation
5118	consideration
6	various
1651	facts
55729	impresses
2443	mind
1296	manner
4394	vain
11384	endeavour
6169	grapple
1581	idea
13074	eternity
7774	impression
1993	partly
2006	false
390	mr
67782	croll
429	interesting
2270	paper
2086	remarks
33256	err
763	forming
790	great
13360	conception
1758	length
6220	geological
843	periods
6308	estimating
436	years
43329	geologists
1851	look
1000	complicated
445	phenomena
5026	figures
2005	representing
2756	million
436	years
887	produce
6594	totally
5087	effect
2443	mind
5026	figures
10894	pronounced
6812	regard
67783	subaerial
41331	denudation
390	mr
67782	croll
2201	shows
41628	calculating
664	known
2719	amount
669	sediment
5205	annually
2657	brought
4042	rivers
2815	relatively
22441	areas
10284	drainage
1346	feet
764	solid
3146	rock
4676	became
945	gradually
40966	disintegrated
659	thus
4308	removed
2725	mean
1456	level
2433	area
954	course
2756	million
436	years
1193	seems
2312	astonishing
1363	result
8312	considerations
4066	lead
8799	suspicion
67790	halved
10975	quartered
3166	surprising
420	know
2756	million
553	means
390	mr
67782	croll
695	gives
288	illustration
953	take
1005	narrow
7217	strip
2270	paper
3798	eighty
1346	feet
1345	inches
1758	length
7214	stretch
3788	wall
105	hall
5684	mark
612	end
2759	tenth
2138	inch
2759	tenth
2138	inch
3475	represent
408	hundred
436	years
3308	entire
7217	strip
2756	million
436	years
1506	let
2442	borne
2443	mind
313	relation
427	subject
558	work
408	hundred
436	years
5343	implies
595	represented
4979	measure
10231	utterly
5499	insignificant
105	hall
6010	dimensions
6558	eminent
58772	breeders
2168	single
9831	lifetime
4596	largely
6124	modified
1027	higher
293	animals
18389	propagate
958	kind
1833	slowly
1879	lower
293	animals
981	formed
12956	deserves
661	called
7271	sub
4602	breed
276	men
5192	attended
384	due
1237	care
4886	strain
1328	half
7506	century
408	hundred
436	years
7194	represents
558	work
58772	breeders
1607	succession
4480	supposed
1330	species
1032	state
439	nature
889	change
2593	quickly
2897	domestic
293	animals
9653	guidance
3964	methodical
6819	selection
2675	comparison
48808	fairer
17321	effects
5123	follow
5479	unconscious
6819	selection
13231	preservation
5124	useful
541	beautiful
293	animals
10522	intention
40741	modifying
4602	breed
648	process
5479	unconscious
6819	selection
6	various
5047	breeds
4369	sensibly
1086	changed
954	course
7736	centuries
1330	species
889	change
1833	slowly
1093	country
889	change
607	time
14532	slowness
5322	follows
6224	inhabitants
1093	country
4233	adapted
1184	places
67339	polity
439	nature
1798	occur
3213	intervals
384	due
2645	occurrence
6151	physical
952	changes
958	kind
24741	immigration
2162	forms
932	moreover
6816	variations
2143	individual
2147	differences
439	nature
6224	inhabitants
979	fitted
1184	places
5754	altered
2373	circumstance
1798	occur
7441	unfortunately
553	means
4501	determining
1123	according
1124	standard
436	years
2772	period
878	takes
22599	modify
1330	species
427	subject
607	time
578	return
67154	poorness
44810	palaeontological
1257	collections
1506	let
1697	turn
9910	richest
17117	museums
20103	paltry
1566	display
5592	behold
1257	collections
8027	imperfect
1301	admitted
2447	remark
4417	admirable
67115	palaeontologist
215	edward
5440	forbes
8214	forgotten
7117	namely
6834	fossil
1330	species
664	known
7312	named
2168	single
1673	broken
2656	specimens
2656	specimens
760	collected
1857	spot
2508	portion
935	surface
64	earth
6837	geologically
9307	explored
839	part
3948	sufficient
1237	care
4672	discoveries
413	made
2658	year
7317	europe
2182	prove
22183	organism
716	wholly
1896	soft
6438	preserved
488	shells
778	bones
16413	decay
1088	disappear
671	bottom
65	sea
1565	where
669	sediment
13452	accumulating
953	take
21811	erroneous
4991	view
1563	assume
669	sediment
680	deposited
813	nearly
1874	bed
65	sea
2243	rate
5758	sufficiently
1473	quick
67791	embed
1518	preserve
6834	fossil
525	remains
19382	enormously
537	proportion
3229	ocean
1095	bright
4422	blue
7281	tint
635	water
67792	bespeaks
12961	purity
2643	cases
5402	record
7639	formation
28013	conformably
740	covered
2032	immense
6882	interval
607	time
7639	formation
7671	underlying
1874	bed
10194	suffered
6882	interval
7880	wear
5692	tear
1125	seem
33235	explicable
4991	view
671	bottom
65	sea
1373	rarely
3315	lying
5050	ages
12845	unaltered
725	condition
525	remains
644	become
7813	embedded
927	sand
7718	gravel
3484	beds
8092	upraised
1538	generally
728	dissolved
17565	percolation
2106	rain
635	water
5165	charged
921	carbonic
922	acid
2013	kinds
293	animals
1653	live
5054	beach
1788	low
635	water
5684	mark
1125	seem
1373	rarely
6438	preserved
3282	instance
1330	species
67793	chthamalinae
7271	sub
1161	family
61427	sessile
67337	cirripedes
2947	coat
487	rocks
535	world
6481	infinite
1159	numbers
6020	strictly
35931	littoral
4318	exception
2168	single
3226	mediterranean
1330	species
2623	inhabits
1860	deep
635	water
670	found
6834	fossil
32991	sicily
1330	species
10150	hitherto
670	found
8144	tertiary
7639	formation
664	known
2434	genus
67794	chthamalus
5061	existed
7689	chalk
2772	period
5177	lastly
790	great
3438	deposits
1551	requiring
1434	vast
1758	length
607	time
4302	accumulation
781	entirely
4578	destitute
21627	organic
525	remains
1172	able
21596	assign
1765	reason
1889	striking
2746	instances
67795	flysch
7639	formation
608	consists
41361	shale
7781	sandstone
496	thousand
1744	occasionally
496	thousand
1346	feet
4056	thickness
2078	extending
1421	miles
17183	vienna
3306	switzerland
790	great
119	mass
1214	carefully
4641	searched
44957	fossils
689	vegetable
525	remains
670	found
968	respect
3300	terrestrial
26943	productions
1360	lived
16491	secondary
44077	palaeozoic
843	periods
34154	superfluous
1032	state
1238	evidence
43513	fragmentary
1176	extreme
2069	degree
3282	instance
4461	recently
274	land
664	known
5238	belonging
1434	vast
843	periods
4318	exception
1330	species
2396	discovered
322	sir
44085	lyell
1355	dr
22801	dawson
44079	carboniferous
6016	strata
2278	north
1254	america
274	land
488	shells
670	found
41469	lias
6812	regard
54330	mammiferous
525	remains
1747	glance
158	historical
5283	table
2437	published
44085	lyell
9274	manual
2739	bring
462	truth
4983	accidental
1875	rare
13231	preservation
5925	pages
3239	detail
11747	rarity
3166	surprising
3198	remember
537	proportion
778	bones
8144	tertiary
1572	mammals
2396	discovered
4074	caves
67796	lacustrine
3438	deposits
7417	cave
67796	lacustrine
1874	bed
664	known
5238	belonging
1829	age
16491	secondary
44077	palaeozoic
41338	formations
37840	imperfection
6220	geological
5402	record
4596	largely
5065	results
3893	cause
5213	foregoing
7117	namely
41338	formations
942	separated
1670	wide
3213	intervals
607	time
14371	doctrine
13824	emphatically
1301	admitted
43329	geologists
45671	palaeontologists
5440	forbes
781	entirely
39292	disbelieve
889	change
1330	species
486	see
41338	formations
41545	tabulated
5528	written
918	works
5123	follow
439	nature
1242	difficult
1700	avoid
1321	believing
796	closely
25651	consecutive
420	know
3282	instance
322	sir
45142	murchison
790	great
558	work
8468	russia
1670	wide
36928	gaps
1093	country
40990	superimposed
41338	formations
2278	north
1254	america
748	parts
535	world
4551	skilful
8248	geologist
1663	attention
5200	confined
842	exclusively
9172	territories
4199	suspected
843	periods
10186	blank
8159	barren
1093	country
790	great
3889	piles
669	sediment
5165	charged
1567	peculiar
2162	forms
74	life
3468	elsewhere
7673	accumulated
929	separate
2465	territory
2709	hardly
1581	idea
981	formed
1758	length
607	time
6618	elapsed
25651	consecutive
41338	formations
8474	infer
2644	nowhere
7656	ascertained
2829	frequent
790	great
952	changes
44970	mineralogical
846	composition
25651	consecutive
41338	formations
1538	generally
27962	implying
790	great
952	changes
15295	geography
4147	surrounding
56	lands
1761	whence
669	sediment
835	derived
11064	accord
5542	belief
1434	vast
3213	intervals
607	time
6618	elapsed
7639	formation
1260	think
486	see
876	why
6220	geological
41338	formations
2293	region
1454	invariably
33779	intermittent
1189	followed
37809	sequence
4280	scarcely
714	fact
6185	struck
7702	examining
408	hundred
1421	miles
2627	south
33622	coasts
8092	upraised
408	hundred
1346	feet
2405	recent
2772	period
4815	absence
2405	recent
3438	deposits
5758	sufficiently
2123	extensive
6220	geological
2772	period
182	west
2642	coast
2648	inhabited
1567	peculiar
5604	marine
43972	fauna
8144	tertiary
3484	beds
18925	poorly
946	developed
5402	record
3697	successive
1567	peculiar
5604	marine
67383	faunas
6438	preserved
1595	distant
1829	age
6583	reflection
2177	explain
876	why
4689	rising
2642	coast
1800	western
1503	side
2627	south
1254	america
2123	extensive
41338	formations
2405	recent
8144	tertiary
525	remains
8	anywhere
670	found
1003	supply
669	sediment
5050	ages
790	great
2584	enormous
12318	degradation
2642	coast
487	rocks
5794	muddy
3186	streams
6741	entering
65	sea
6958	explanation
3896	doubt
35931	littoral
7271	sub
35931	littoral
3438	deposits
4865	continually
4192	worn
2657	brought
1818	slow
1642	gradual
4689	rising
274	land
9201	grinding
469	action
2642	coast
5052	waves
1260	think
4410	conclude
669	sediment
7673	accumulated
2232	extremely
1904	thick
764	solid
2123	extensive
2795	masses
534	order
3609	withstand
3160	incessant
469	action
5052	waves
8092	upraised
2440	subsequent
4939	oscillations
1456	level
2440	subsequent
67783	subaerial
12318	degradation
1904	thick
2123	extensive
39744	accumulations
669	sediment
981	formed
446	ways
7379	profound
7814	depths
65	sea
2331	case
671	bottom
2648	inhabited
2137	varied
2162	forms
74	life
4305	shallow
9175	seas
119	mass
8092	upraised
13	give
8027	imperfect
5402	record
21525	organisms
5061	existed
10073	neighbourhood
2772	period
4302	accumulation
669	sediment
680	deposited
4056	thickness
1341	extent
4305	shallow
671	bottom
1160	continue
1833	slowly
26515	subside
2330	latter
2331	case
2243	rate
15033	subsidence
1003	supply
669	sediment
813	nearly
1492	balance
65	sea
656	remain
4305	shallow
14207	favourable
2137	varied
2162	forms
659	thus
3721	rich
67156	fossiliferous
7639	formation
1904	thick
8092	upraised
2336	resist
2719	amount
41331	denudation
981	formed
8773	convinced
813	nearly
4347	ancient
41338	formations
731	greater
839	part
4056	thickness
3721	rich
44957	fossils
659	thus
981	formed
15033	subsidence
24632	publishing
14503	views
427	subject
1742	watched
1528	progress
38061	geology
4220	surprised
382	note
26	author
26	author
710	treating
790	great
7639	formation
1070	come
6630	conclusion
7673	accumulated
15033	subsidence
2976	add
4347	ancient
8144	tertiary
7639	formation
182	west
2642	coast
2627	south
1254	america
1442	bulky
2336	resist
12318	degradation
10194	suffered
2709	hardly
1595	distant
6220	geological
1829	age
680	deposited
2261	downward
53958	oscillation
1456	level
659	thus
4874	gained
3267	considerable
4056	thickness
6220	geological
1651	facts
490	tell
3733	plainly
2433	area
3668	undergone
2552	numerous
1818	slow
4939	oscillations
1456	level
2022	apparently
4939	oscillations
5522	affected
1670	wide
1608	spaces
5341	consequently
41338	formations
3721	rich
44957	fossils
5758	sufficiently
1904	thick
2123	extensive
2336	resist
2440	subsequent
12318	degradation
981	formed
1670	wide
1608	spaces
843	periods
15033	subsidence
1565	where
1003	supply
669	sediment
3948	sufficient
823	keep
65	sea
4305	shallow
67791	embed
1518	preserve
525	remains
607	time
16413	decay
418	hand
1874	bed
65	sea
1452	remained
6522	stationary
1904	thick
3438	deposits
7673	accumulated
4305	shallow
748	parts
14207	favourable
74	life
5248	happened
1606	alternate
843	periods
7256	elevation
2842	speak
6645	accurately
3484	beds
7673	accumulated
1538	generally
2797	destroyed
8092	upraised
2657	brought
1006	limits
2642	coast
469	action
2086	remarks
477	apply
767	chiefly
35931	littoral
67797	sublittoral
3438	deposits
2331	case
2123	extensive
4305	shallow
65	sea
839	part
9308	malay
1362	archipelago
1565	where
2503	depth
2172	varies
2358	thirty
409	forty
2471	sixty
53489	fathoms
2585	widely
2600	extended
7639	formation
981	formed
2772	period
7256	elevation
7623	suffer
6668	excessively
41331	denudation
1818	slow
25822	upheaval
4056	thickness
7639	formation
790	great
3357	owing
67798	elevatory
448	movement
2503	depth
981	formed
2189	deposit
19444	consolidated
47191	capped
7650	overlying
41338	formations
1476	run
1205	good
2717	chance
4192	worn
12166	atmospheric
12318	degradation
469	action
65	sea
2440	subsequent
4939	oscillations
1456	level
1263	suggested
390	mr
15238	hopkins
839	part
2433	area
4689	rising
51169	denuded
4285	subsided
2189	deposit
981	formed
4689	rising
448	movement
1904	thick
4367	afterwards
644	become
4228	protected
568	fresh
39744	accumulations
659	thus
6438	preserved
2772	period
390	mr
15238	hopkins
19566	expresses
5542	belief
41339	sedimentary
3484	beds
3267	considerable
4772	horizontal
1341	extent
1373	rarely
1628	completely
2797	destroyed
43329	geologists
5363	believe
44300	metamorphic
43939	schists
43937	plutonic
487	rocks
981	formed
67089	primordial
22467	nucleus
17083	globe
5314	admit
2330	latter
487	rocks
770	stripped
1936	covering
2584	enormous
1341	extent
4280	scarcely
487	rocks
34518	solidified
67799	crystallised
14740	uncovered
44300	metamorphic
469	action
7767	occurred
7379	profound
7814	depths
3229	ocean
116	former
3587	protecting
5515	mantle
3146	rock
1904	thick
7197	admitting
43938	gneiss
7759	mica
7760	schist
8046	granite
67800	diorite
197	etc
5327	necessarily
740	covered
1089	account
2515	naked
2123	extensive
22441	areas
487	rocks
748	parts
535	world
5542	belief
7669	subsequently
1628	completely
51169	denuded
7650	overlying
6016	strata
2123	extensive
22441	areas
875	exist
1560	doubted
45164	granitic
2293	region
67801	parime
2395	described
46528	humboldt
25288	nineteen
884	times
3306	switzerland
2627	south
5764	amazon
67802	boue
3038	colours
2433	area
768	composed
487	rocks
439	nature
2332	equal
20460	spain
3304	france
17377	italy
839	part
17407	germany
5732	british
1333	islands
61532	conjoined
2293	region
1214	carefully
9307	explored
1557	concurrent
1306	testimony
6385	travellers
45164	granitic
2433	area
659	thus
7757	von
67803	eschwege
695	gives
19137	detailed
6029	section
487	rocks
4614	stretching
5606	rio
1771	de
18368	janeiro
2426	geographical
1421	miles
1797	inland
1852	straight
3915	line
6264	travelled
1421	miles
2073	direction
338	saw
45164	granitic
487	rocks
2552	numerous
2656	specimens
760	collected
2642	coast
5606	rio
1771	de
18368	janeiro
749	mouth
24062	plata
1405	distance
2426	geographical
1421	miles
675	examined
9027	belonged
3195	class
1797	inland
3752	northern
3326	bank
24062	plata
338	saw
6050	modern
8144	tertiary
3484	beds
6278	patch
1495	slightly
41592	metamorphosed
3146	rock
981	formed
839	part
493	original
67804	capping
45164	granitic
951	series
5070	turning
664	known
2293	region
7117	namely
124	united
125	states
9217	canada
807	shown
200	professor
14792	rogers
541	beautiful
16232	map
2088	estimated
22441	areas
335	cutting
7641	weighing
2270	paper
540	find
44300	metamorphic
7668	excluding
2230	semi
44300	metamorphic
8046	granite
487	rocks
1783	exceed
537	proportion
20977	newer
44077	palaeozoic
41338	formations
1282	regions
44300	metamorphic
8046	granite
487	rocks
670	found
2585	widely
2600	extended
860	appear
41339	sedimentary
3484	beds
4308	removed
1994	rest
67805	unconformably
981	formed
839	part
493	original
5515	mantle
67799	crystallised
2289	hence
855	probable
748	parts
535	world
41338	formations
1628	completely
51169	denuded
10214	wreck
2447	remark
4727	worth
450	passing
1733	notice
843	periods
7256	elevation
2433	area
274	land
4881	adjoining
15839	shoal
748	parts
65	sea
5105	increased
22713	stations
981	formed
2364	circumstances
14207	favourable
4198	previously
8494	explained
7639	formation
2149	varieties
1330	species
843	periods
1538	generally
10186	blank
6220	geological
5402	record
418	hand
15033	subsidence
2648	inhabited
2433	area
2554	number
6224	inhabitants
21472	decrease
1281	shores
6973	continent
1673	broken
1362	archipelago
5341	consequently
15033	subsidence
20063	extinction
2149	varieties
1330	species
981	formed
843	periods
15033	subsidence
3438	deposits
9910	richest
44957	fossils
7673	accumulated
4815	absence
2552	numerous
2196	intermediate
2149	varieties
2168	single
7639	formation
8312	considerations
1560	doubted
6220	geological
5402	record
5731	viewed
2232	extremely
8027	imperfect
5927	confine
1663	attention
7639	formation
762	becomes
1242	difficult
5860	understand
876	why
19149	therein
540	find
796	closely
6919	graduated
2149	varieties
797	allied
1330	species
1360	lived
7277	commencement
2643	cases
5402	record
1330	species
2590	presenting
2149	varieties
1040	upper
1879	lower
748	parts
7639	formation
659	thus
67806	trautschold
695	gives
2554	number
2746	instances
44309	ammonites
67807	hilgendorf
2395	described
1918	curious
2331	case
1827	ten
6919	graduated
2162	forms
67808	planorbis
67809	multiformis
3697	successive
3484	beds
568	fresh
635	water
7639	formation
3306	switzerland
7639	formation
32710	indisputably
6441	required
1434	vast
2554	number
436	years
7812	deposition
8492	reasons
1510	given
876	why
1561	commonly
6991	include
6919	graduated
951	series
4343	links
1330	species
1360	lived
7277	commencement
21596	assign
384	due
22528	proportional
1973	weight
8312	considerations
7639	formation
5684	mark
6735	lapse
436	years
894	compared
2772	period
19364	requisite
889	change
1330	species
2224	aware
45671	palaeontologists
14530	opinions
3997	worthy
10884	deference
7117	namely
45661	bronn
27113	woodward
4873	concluded
1902	average
4378	duration
7639	formation
1735	twice
7697	thrice
1902	average
4378	duration
7817	specific
2162	forms
39994	insuperable
1276	difficulties
1193	seems
4971	prevent
2943	coming
6630	conclusion
747	head
486	see
1330	species
4475	appearing
2221	middle
7639	formation
4409	rash
1176	extreme
8474	infer
3468	elsewhere
4198	previously
5061	existed
540	find
1330	species
6250	disappearing
3823	layers
680	deposited
3209	equally
4409	rash
2309	suppose
4676	became
3469	extinct
4264	forget
2433	area
7317	europe
894	compared
1994	rest
535	world
3429	stages
7639	formation
7317	europe
67141	correlated
947	perfect
2227	accuracy
1218	safely
8474	infer
5604	marine
293	animals
2013	kinds
2719	amount
3963	migration
384	due
67810	climatal
952	changes
486	see
1330	species
4475	appearing
7639	formation
2219	probability
67811	immigrated
2433	area
664	known
3282	instance
1330	species
860	appear
1026	somewhat
1297	earlier
44077	palaeozoic
3484	beds
2278	north
1254	america
7317	europe
607	time
2022	apparently
6441	required
3963	migration
1305	european
9175	seas
7702	examining
13349	latest
3438	deposits
6	various
2895	quarters
535	world
5525	everywhere
4294	noted
1138	existing
1330	species
733	common
2189	deposit
644	become
3469	extinct
4147	surrounding
65	sea
34682	conversely
1100	abundant
10034	neighbouring
65	sea
1875	rare
7733	absent
2917	particular
2189	deposit
1447	excellent
5618	lesson
9885	reflect
7656	ascertained
2719	amount
3963	migration
6224	inhabitants
7317	europe
8260	glacial
8131	epoch
2162	forms
839	part
6220	geological
2772	period
9885	reflect
952	changes
1456	level
1176	extreme
889	change
4168	climate
790	great
6735	lapse
607	time
16	included
8260	glacial
2772	period
1560	doubted
5337	quarter
535	world
41339	sedimentary
3438	deposits
5384	including
6834	fossil
525	remains
3410	gone
13452	accumulating
2433	area
2772	period
3282	instance
855	probable
669	sediment
680	deposited
8260	glacial
2772	period
749	mouth
3436	mississippi
1375	limit
2503	depth
5604	marine
293	animals
9985	flourish
420	know
790	great
2426	geographical
952	changes
7767	occurred
748	parts
1254	america
1057	space
607	time
3484	beds
680	deposited
4305	shallow
635	water
749	mouth
3436	mississippi
839	part
8260	glacial
2772	period
8092	upraised
21627	organic
525	remains
860	appear
1088	disappear
22732	levels
3357	owing
5202	migrations
1330	species
2426	geographical
952	changes
1595	distant
2984	future
8248	geologist
7702	examining
3484	beds
2674	tempted
4410	conclude
1902	average
4378	duration
74	life
7813	embedded
44957	fossils
8260	glacial
2772	period
2785	instead
731	greater
2078	extending
8260	glacial
8131	epoch
967	day
534	order
919	get
947	perfect
67047	gradation
2162	forms
1040	upper
1879	lower
748	parts
7639	formation
2189	deposit
3410	gone
7304	continuously
13452	accumulating
2772	period
3948	sufficient
1818	slow
648	process
973	modification
2289	hence
2189	deposit
1904	thick
1330	species
14933	undergoing
889	change
1360	lived
5738	district
607	time
417	seen
1904	thick
7639	formation
67156	fossiliferous
3308	entire
4056	thickness
7414	accumulate
2772	period
15033	subsidence
823	keep
2503	depth
22624	approximately
485	necessary
5604	marine
1330	species
1653	live
1057	space
1003	supply
669	sediment
813	nearly
5759	counterbalance
2719	amount
15033	subsidence
448	movement
15033	subsidence
5421	tend
67812	submerge
2433	area
1761	whence
669	sediment
835	derived
659	thus
5869	diminish
1003	supply
2261	downward
448	movement
2806	continues
714	fact
813	nearly
4734	exact
5099	balancing
1003	supply
669	sediment
2719	amount
15033	subsidence
1875	rare
43305	contingency
2202	observed
67115	palaeontologist
1904	thick
3438	deposits
8159	barren
21627	organic
525	remains
1040	upper
1879	lower
1006	limits
1125	seem
929	separate
7639	formation
3541	pile
41338	formations
1093	country
1538	generally
33779	intermittent
4302	accumulation
486	see
2331	case
7639	formation
768	composed
3484	beds
2585	widely
44970	mineralogical
846	composition
1559	reasonably
4777	suspect
648	process
7812	deposition
4012	interrupted
15800	closest
12411	inspection
7639	formation
13	give
1581	idea
1758	length
607	time
7812	deposition
7300	consumed
2746	instances
1510	given
3484	beds
1346	feet
4056	thickness
2005	representing
41338	formations
3468	elsewhere
2714	thousands
1346	feet
4056	thickness
6441	required
2584	enormous
2772	period
4302	accumulation
6728	ignorant
714	fact
4199	suspected
1434	vast
6735	lapse
607	time
595	represented
21314	thinner
7639	formation
2643	cases
1510	given
1879	lower
3484	beds
7639	formation
8092	upraised
51169	denuded
7860	submerged
740	covered
1040	upper
3484	beds
7639	formation
1651	facts
2301	showing
1670	wide
941	easily
2819	overlooked
3213	intervals
7767	occurred
4302	accumulation
2643	cases
39984	plainest
1238	evidence
790	great
67813	fossilised
1377	trees
2284	standing
1535	upright
4474	grew
3213	intervals
607	time
952	changes
1456	level
648	process
7812	deposition
4199	suspected
1377	trees
6438	preserved
659	thus
322	sir
44085	lyell
1355	dr
22801	dawson
670	found
44079	carboniferous
3484	beds
1346	feet
1904	thick
34558	nova
34559	scotia
4347	ancient
611	root
3297	bearing
6016	strata
2471	sixty
2770	eight
22732	levels
2289	hence
1330	species
1787	occurs
671	bottom
2221	middle
1863	top
7639	formation
2219	probability
1360	lived
1857	spot
2772	period
7812	deposition
6738	disappeared
11183	reappeared
884	times
6220	geological
2772	period
5341	consequently
3128	undergo
3267	considerable
2719	amount
973	modification
7812	deposition
6220	geological
7639	formation
6029	section
6991	include
627	fine
2196	intermediate
10254	gradations
6055	theory
5061	existed
10518	abrupt
972	slight
952	changes
838	form
3198	remember
415	naturalists
5027	golden
426	rule
877	distinguish
1330	species
2149	varieties
228	grant
2122	variability
1330	species
2188	meet
1026	somewhat
731	greater
2719	amount
2178	difference
2162	forms
1570	rank
1330	species
3358	enabled
6503	connect
15800	closest
2196	intermediate
10254	gradations
8492	reasons
10005	assigned
2322	seldom
1206	hope
5087	effect
6220	geological
6029	section
1330	species
79	third
670	found
8388	older
7671	underlying
1874	bed
6020	strictly
2196	intermediate
911	simply
23458	ranked
79	third
2115	distinct
1330	species
607	time
796	closely
3553	connected
2196	intermediate
2149	varieties
2162	forms
8214	forgotten
8494	explained
5274	actual
18262	progenitor
5327	necessarily
6020	strictly
2196	intermediate
845	respects
705	obtain
2955	parent
1330	species
6124	modified
8275	descendants
1879	lower
1040	upper
3484	beds
7639	formation
660	obtained
2552	numerous
18118	transitional
10254	gradations
11210	recognise
1103	blood
6892	relationship
5341	consequently
1570	rank
2115	distinct
1330	species
14343	notorious
6668	excessively
972	slight
2147	differences
45671	palaeontologists
6671	founded
1330	species
1443	readily
2656	specimens
1070	come
7271	sub
3429	stages
7639	formation
17314	experienced
67814	conchologists
7768	sinking
627	fine
1330	species
7119	orbigny
1025	others
1570	rank
2149	varieties
4991	view
540	find
958	kind
1238	evidence
889	change
6055	theory
540	find
1851	look
8144	tertiary
3438	deposits
6991	include
488	shells
7717	believed
3596	majority
415	naturalists
997	identical
1138	existing
1330	species
1447	excellent
415	naturalists
517	agassiz
67815	pictet
1837	maintain
8144	tertiary
1330	species
23814	specifically
2115	distinct
996	distinction
1301	admitted
972	slight
5363	believe
6558	eminent
415	naturalists
24358	misled
16045	imaginations
1927	late
8144	tertiary
1330	species
2178	difference
3946	representatives
5314	admit
6360	opposition
6701	judgment
415	naturalists
8144	tertiary
1330	species
3138	truly
2115	distinct
2405	recent
1238	evidence
2829	frequent
2645	occurrence
972	slight
8343	modifications
958	kind
6441	required
1851	look
442	wider
3213	intervals
607	time
7117	namely
2115	distinct
25651	consecutive
3429	stages
790	great
7639	formation
540	find
7813	embedded
44957	fossils
20962	universally
23458	ranked
23814	specifically
796	closely
592	related
1330	species
670	found
2585	widely
942	separated
41338	formations
12150	undoubted
1238	evidence
889	change
2073	direction
6441	required
6055	theory
2330	latter
427	subject
578	return
2851	chapter
293	animals
447	plants
18389	propagate
3170	rapidly
521	wander
1765	reason
4777	suspect
2647	formerly
417	seen
2149	varieties
1538	generally
2477	local
2477	local
2149	varieties
2432	spread
2585	widely
19368	supplant
2955	parent
838	form
6124	modified
1058	perfected
3267	considerable
2069	degree
1123	according
4991	view
2717	chance
4735	discovering
7639	formation
1093	country
3429	stages
6008	transition
2162	forms
3697	successive
952	changes
4480	supposed
2477	local
5200	confined
1857	spot
5604	marine
293	animals
1670	wide
443	range
417	seen
447	plants
2187	widest
443	range
28170	oftenest
2149	varieties
488	shells
5604	marine
293	animals
855	probable
2187	widest
443	range
1620	exceeding
1006	limits
664	known
6220	geological
41338	formations
7317	europe
28170	oftenest
1510	given
949	rise
2477	local
2149	varieties
7745	ultimately
1330	species
1414	greatly
6891	lessen
2717	chance
1172	able
905	trace
3429	stages
6008	transition
6220	geological
7639	formation
5118	consideration
4633	leading
1363	result
2359	lately
455	insisted
1355	dr
44804	falconer
7117	namely
2772	period
1330	species
14350	underwent
973	modification
2136	measured
436	years
2675	comparison
1452	remained
14933	undergoing
889	change
8214	forgotten
967	day
947	perfect
2656	specimens
899	examination
2162	forms
2322	seldom
3553	connected
2196	intermediate
2149	varieties
659	thus
2412	proved
1330	species
2656	specimens
760	collected
1184	places
6834	fossil
1330	species
1373	rarely
3044	perceive
35033	improbability
3358	enabled
6503	connect
1330	species
2552	numerous
627	fine
2196	intermediate
6834	fossil
4343	links
7616	asking
3282	instance
43329	geologists
2984	future
2772	period
1172	able
2182	prove
5047	breeds
4989	cattle
3885	sheep
2741	horses
5673	dogs
3199	descended
2168	single
3020	stock
42913	aboriginal
21025	stocks
65	sea
488	shells
4044	inhabiting
1281	shores
2278	north
1254	america
23458	ranked
67814	conchologists
2115	distinct
1330	species
1305	european
3946	representatives
67814	conchologists
2149	varieties
2149	varieties
661	called
23814	specifically
2115	distinct
1531	effected
2984	future
8248	geologist
4735	discovering
6834	fossil
1032	state
2552	numerous
2196	intermediate
10254	gradations
3052	success
5622	improbable
2041	highest
2069	degree
1709	asserted
7305	writers
5363	believe
35928	immutability
1330	species
38061	geology
782	yields
24522	linking
2162	forms
1621	assertion
486	see
2851	chapter
1438	certainly
21811	erroneous
322	sir
364	lubbock
6129	remarked
1330	species
12571	link
797	allied
2162	forms
953	take
2434	genus
4543	score
1330	species
2405	recent
3469	extinct
2244	destroy
3590	fifths
11425	doubts
12456	remainder
513	stand
2115	distinct
1176	extreme
2162	forms
2434	genus
650	happen
659	thus
2797	destroyed
2434	genus
513	stand
2115	distinct
797	allied
6233	genera
6220	geological
9377	research
9943	revealed
116	former
844	existence
12240	infinitely
2552	numerous
10254	gradations
627	fine
1138	existing
2149	varieties
23335	connecting
813	nearly
1138	existing
3469	extinct
1330	species
2896	expected
4611	repeatedly
2738	advanced
576	serious
12367	objection
14503	views
4727	worth
12222	sum
5213	foregoing
2086	remarks
6065	causes
37840	imperfection
6220	geological
5402	record
5182	imaginary
288	illustration
9308	malay
1362	archipelago
885	size
7317	europe
2278	north
2276	cape
3226	mediterranean
7473	britain
8468	russia
834	therefore
2942	equals
6220	geological
41338	formations
675	examined
2227	accuracy
124	united
125	states
1254	america
2536	fully
993	agree
390	mr
42824	godwin
39493	austen
725	condition
9308	malay
1362	archipelago
2552	numerous
1333	islands
942	separated
1670	wide
4305	shallow
9175	seas
7194	represents
116	former
1032	state
7317	europe
41338	formations
13452	accumulating
9308	malay
1362	archipelago
9910	richest
1282	regions
21627	organic
1021	beings
1330	species
760	collected
1360	lived
8495	imperfectly
3475	represent
4	natural
5	history
535	world
1765	reason
5363	believe
3300	terrestrial
26943	productions
1362	archipelago
6438	preserved
2232	extremely
8027	imperfect
1296	manner
41338	formations
2309	suppose
13452	accumulating
6020	strictly
35931	littoral
293	animals
1360	lived
2515	naked
35122	submarine
487	rocks
7813	embedded
7813	embedded
7718	gravel
927	sand
10074	endure
1595	distant
8131	epoch
3168	wherever
669	sediment
7414	accumulate
1874	bed
65	sea
1565	where
7414	accumulate
3948	sufficient
2243	rate
3455	protect
21627	organic
718	bodies
16413	decay
525	remains
6438	preserved
41338	formations
3721	rich
44957	fossils
2013	kinds
4056	thickness
3948	sufficient
1829	age
1595	distant
49139	futurity
16491	secondary
41338	formations
3275	lie
1538	generally
981	formed
1362	archipelago
843	periods
15033	subsidence
843	periods
15033	subsidence
942	separated
2032	immense
3213	intervals
607	time
2433	area
6522	stationary
4689	rising
4689	rising
67156	fossiliferous
41338	formations
10510	steeper
1281	shores
2797	destroyed
7673	accumulated
3160	incessant
2642	coast
469	action
486	see
1281	shores
2627	south
1254	america
2123	extensive
4305	shallow
9175	seas
1362	archipelago
41339	sedimentary
3484	beds
2709	hardly
7673	accumulated
790	great
4056	thickness
843	periods
7256	elevation
644	become
47191	capped
4228	protected
2440	subsequent
3438	deposits
1205	good
2717	chance
4096	enduring
1595	distant
2984	future
843	periods
15033	subsidence
20063	extinction
74	life
843	periods
7256	elevation
2174	variation
6220	geological
5402	record
947	perfect
1560	doubted
4378	duration
790	great
2772	period
15033	subsidence
839	part
1362	archipelago
32732	contemporaneous
4302	accumulation
669	sediment
1783	exceed
1902	average
4378	duration
7817	specific
2162	forms
38825	contingencies
4439	indispensable
13231	preservation
18118	transitional
10254	gradations
1330	species
10254	gradations
2536	fully
6438	preserved
18118	transitional
2149	varieties
449	merely
860	appear
796	closely
797	allied
1330	species
855	probable
790	great
2772	period
15033	subsidence
4012	interrupted
4939	oscillations
1456	level
972	slight
67816	climatical
952	changes
34435	intervene
37470	lengthy
843	periods
2643	cases
6224	inhabitants
1362	archipelago
3595	migrate
796	closely
25651	consecutive
5402	record
8343	modifications
6438	preserved
7639	formation
5604	marine
6224	inhabitants
1362	archipelago
443	range
2714	thousands
1421	miles
1946	confines
2239	analogy
3733	plainly
1013	leads
5542	belief
767	chiefly
9785	ranging
1330	species
28170	oftenest
887	produce
2149	varieties
2149	varieties
2477	local
5200	confined
1216	place
1393	possessed
2161	decided
3092	advantage
1012	further
6124	modified
7729	improved
1833	slowly
2432	spread
19368	supplant
2955	parent
2162	forms
2149	varieties
2399	returned
4347	ancient
5069	homes
994	differ
116	former
1032	state
813	nearly
3977	uniform
2232	extremely
972	slight
2069	degree
670	found
7813	embedded
1495	slightly
7271	sub
3429	stages
7639	formation
1123	according
7546	principles
1189	followed
45671	palaeontologists
23458	ranked
2115	distinct
1330	species
2069	degree
462	truth
2086	remarks
8353	expect
540	find
6220	geological
41338	formations
6481	infinite
2554	number
627	fine
18118	transitional
2162	forms
6055	theory
3553	connected
1330	species
2846	group
4482	branching
8270	chain
74	life
1851	look
4343	links
10576	assuredly
540	find
8010	distantly
796	closely
592	related
4343	links
1506	let
670	found
3429	stages
7639	formation
45671	palaeontologists
23458	ranked
2115	distinct
1330	species
2671	pretend
4199	suspected
3255	poor
5402	record
6438	preserved
6220	geological
7202	sections
4815	absence
602	innumerable
18118	transitional
4343	links
1330	species
1360	lived
7277	commencement
7639	formation
3403	pressed
2709	hardly
6055	theory
2079	sudden
1615	appearance
2830	groups
797	allied
1330	species
10518	abrupt
1296	manner
2830	groups
1330	species
1099	suddenly
860	appear
41338	formations
1504	urged
45671	palaeontologists
3282	instance
517	agassiz
67815	pictet
45128	sedgwick
2413	fatal
12367	objection
5542	belief
11693	transmutation
1330	species
2552	numerous
1330	species
5238	belonging
6233	genera
2718	families
4507	started
74	life
714	fact
2413	fatal
6055	theory
7048	evolution
4	natural
6819	selection
955	development
553	means
2846	group
2162	forms
3199	descended
18262	progenitor
2232	extremely
1818	slow
648	process
18252	progenitors
1360	lived
6124	modified
8275	descendants
4865	continually
33352	overrate
6148	perfection
6220	geological
5402	record
10965	falsely
8474	infer
6233	genera
2718	families
670	found
2798	stage
875	exist
2798	stage
2643	cases
5328	positive
44810	palaeontological
1238	evidence
13836	implicitly
12254	trusted
6718	negative
1238	evidence
12779	worthless
1364	experience
807	shown
4865	continually
4264	forget
535	world
894	compared
2433	area
6220	geological
41338	formations
1214	carefully
675	examined
4264	forget
2830	groups
1330	species
3468	elsewhere
5061	existed
1833	slowly
5882	multiplied
5252	invaded
4347	ancient
67817	archipelagoes
7317	europe
124	united
125	states
473	make
384	due
7056	allowance
2584	enormous
3213	intervals
607	time
6618	elapsed
25651	consecutive
41338	formations
2543	longer
2643	cases
607	time
6441	required
4302	accumulation
7639	formation
3213	intervals
1510	given
607	time
16839	multiplication
1330	species
2955	parent
838	form
3343	succeeding
7639	formation
2830	groups
1330	species
860	appear
1099	suddenly
2826	created
8404	recall
2447	remark
2647	formerly
413	made
7117	namely
1641	require
1607	succession
5050	ages
6828	adapt
22183	organism
1567	peculiar
3915	line
74	life
3282	instance
962	fly
821	air
5341	consequently
18118	transitional
2162	forms
656	remain
5200	confined
2293	region
6997	adaptation
1531	effected
1330	species
659	thus
1601	acquired
790	great
3092	advantage
21525	organisms
1062	comparatively
607	time
485	necessary
887	produce
8542	divergent
2162	forms
2432	spread
3170	rapidly
2585	widely
535	world
200	professor
67815	pictet
1447	excellent
18872	review
558	work
13859	commenting
18118	transitional
2162	forms
900	taking
294	birds
288	illustration
486	see
3697	successive
8343	modifications
6354	anterior
1533	limbs
4480	supposed
20205	prototype
3333	possibly
3092	advantage
1851	look
57640	penguins
4097	southern
3229	ocean
294	birds
4925	front
1533	limbs
4478	precise
2196	intermediate
1032	state
1226	arms
742	wings
294	birds
1067	hold
1216	place
20692	victoriously
3064	battle
74	life
875	exist
6481	infinite
1159	numbers
2013	kinds
2309	suppose
486	see
18118	transitional
3202	grades
742	wings
294	birds
2076	passed
2125	difficulty
1321	believing
9519	profit
6124	modified
8275	descendants
67433	penguin
644	become
3358	enabled
5741	flap
935	surface
65	sea
67372	logger
3252	headed
5578	duck
7745	ultimately
949	rise
935	surface
5520	glide
821	air
13	give
2894	examples
8788	illustrate
5213	foregoing
2086	remarks
1725	show
4608	liable
18323	error
2830	groups
1330	species
1099	suddenly
40	produced
6882	interval
9358	editions
67815	pictet
790	great
558	work
46550	palaeontology
2437	published
1262	conclusions
1615	appearance
8389	disappearance
2830	groups
293	animals
2173	considerably
6124	modified
79	third
80	edition
1641	require
1012	further
952	changes
8404	recall
664	known
714	fact
6220	geological
32403	treatises
2437	published
436	years
1572	mammals
5841	spoken
7075	abruptly
1070	come
7277	commencement
8144	tertiary
951	series
9910	richest
664	known
39744	accumulations
6834	fossil
1572	mammals
559	belongs
2221	middle
16491	secondary
951	series
1572	mammals
2396	discovered
3760	red
7781	sandstone
813	nearly
7277	commencement
790	great
951	series
2090	cuvier
5755	urge
21252	monkey
7767	occurred
8144	tertiary
7678	stratum
3469	extinct
1330	species
2396	discovered
7284	india
2627	south
1254	america
7317	europe
66136	miocene
2798	stage
1875	rare
10009	accident
13231	preservation
9608	footsteps
3760	red
7781	sandstone
124	united
125	states
8461	ventured
2309	suppose
2358	thirty
321	bird
293	animals
2752	gigantic
885	size
5061	existed
2772	period
6143	fragment
7188	bone
2396	discovered
3484	beds
45671	palaeontologists
6896	maintained
3195	class
294	birds
2576	came
1099	suddenly
844	existence
9192	eocene
2772	period
420	know
2323	authority
200	professor
2213	owen
321	bird
1438	certainly
1360	lived
7812	deposition
1040	upper
47176	greensand
4461	recently
305	strange
321	bird
67818	archeopteryx
1703	lizard
3136	tail
3297	bearing
2762	pair
741	feathers
1995	joint
742	wings
4975	furnished
2000	free
4078	claws
2396	discovered
6838	oolitic
17066	slates
67819	solenhofen
2709	hardly
2405	recent
6689	discovery
2201	shows
6578	forcibly
420	know
116	former
6224	inhabitants
535	world
13	give
3282	instance
2076	passed
1740	eyes
6185	struck
41558	memoir
6834	fossil
61427	sessile
67337	cirripedes
1912	stated
2554	number
1138	existing
3469	extinct
8144	tertiary
1330	species
6094	extraordinary
5064	abundance
2142	individuals
1330	species
535	world
8336	arctic
1282	regions
5628	equator
4044	inhabiting
6	various
4569	zones
7814	depths
1040	upper
40418	tidal
1006	limits
1834	fifty
53489	fathoms
947	perfect
1296	manner
2656	specimens
6438	preserved
2646	oldest
8144	tertiary
3484	beds
1612	ease
6143	fragment
27728	valve
9698	recognised
2364	circumstances
12512	inferred
61427	sessile
67337	cirripedes
5061	existed
16491	secondary
843	periods
1438	certainly
6438	preserved
2396	discovered
1330	species
2396	discovered
3484	beds
1829	age
4873	concluded
790	great
2846	group
1099	suddenly
946	developed
7277	commencement
8144	tertiary
951	series
4827	sore
1212	trouble
529	adding
1672	thought
3282	instance
10518	abrupt
1615	appearance
790	great
2846	group
1330	species
558	work
2709	hardly
2437	published
4551	skilful
67115	palaeontologist
67820	bosquet
4834	sent
1929	drawing
947	perfect
2091	specimen
33757	unmistakable
61427	sessile
67408	cirripede
13225	extracted
7689	chalk
3305	belgium
473	make
2331	case
1889	striking
67408	cirripede
67794	chthamalus
733	common
12503	ubiquitous
2434	genus
1330	species
670	found
8144	tertiary
7678	stratum
4461	recently
67414	pyrgoma
6779	member
2115	distinct
67821	subfamily
61427	sessile
67337	cirripedes
2396	discovered
390	mr
27113	woodward
1040	upper
7689	chalk
1100	abundant
1238	evidence
844	existence
2846	group
293	animals
16491	secondary
2772	period
2331	case
1365	frequently
455	insisted
45671	palaeontologists
2022	apparently
2079	sudden
1615	appearance
2846	group
1330	species
67357	teleostean
295	fishes
1788	low
1123	according
517	agassiz
7689	chalk
2772	period
2846	group
5043	includes
3596	majority
1138	existing
1330	species
44282	jurassic
67822	triassic
2162	forms
1561	commonly
1301	admitted
67357	teleostean
44077	palaeozoic
2162	forms
659	thus
5198	classed
2323	authority
67823	teleosteans
886	appeared
1099	suddenly
3752	northern
7272	hemisphere
7277	commencement
7689	chalk
7639	formation
714	fact
2089	highly
841	remarkable
981	formed
39994	insuperable
2125	difficulty
807	shown
2772	period
1330	species
1099	suddenly
1526	simultaneously
946	developed
2895	quarters
535	world
34154	superfluous
2447	remark
2709	hardly
6834	fossil
355	fish
664	known
2627	south
5628	equator
868	running
67815	pictet
46550	palaeontology
417	seen
1330	species
664	known
41338	formations
7317	europe
2718	families
355	fish
5200	confined
443	range
67357	teleostean
295	fishes
2647	formerly
7062	similarly
5200	confined
443	range
4596	largely
946	developed
65	sea
2432	spread
2585	widely
2309	suppose
9175	seas
535	world
2526	freely
2627	south
2278	north
967	day
9308	malay
1362	archipelago
5392	converted
274	land
1252	tropical
748	parts
3228	indian
3229	ocean
838	form
1323	perfectly
3670	enclosed
8132	basin
790	great
2846	group
5604	marine
293	animals
5882	multiplied
656	remain
5200	confined
1330	species
4676	became
4233	adapted
3456	cooler
4168	climate
3358	enabled
2169	double
4097	southern
53955	capes
1270	africa
3225	australia
659	thus
4599	reach
1595	distant
9175	seas
8312	considerations
9899	ignorance
38061	geology
7142	countries
1946	confines
7317	europe
124	united
125	states
1629	revolution
44810	palaeontological
532	knowledge
1531	effected
4672	discoveries
1329	dozen
436	years
1193	seems
4409	rash
6995	dogmatize
1607	succession
21627	organic
2162	forms
535	world
192	naturalist
274	land
4238	minutes
8159	barren
223	point
3225	australia
11962	discuss
2554	number
443	range
26943	productions
2079	sudden
1615	appearance
2830	groups
797	allied
1330	species
2749	lowest
664	known
67156	fossiliferous
6016	strata
797	allied
2125	difficulty
576	serious
8411	allude
1296	manner
1330	species
5238	belonging
3217	main
1015	divisions
67	animal
3725	kingdom
1099	suddenly
860	appear
2749	lowest
664	known
67156	fossiliferous
487	rocks
17001	arguments
8773	convinced
1138	existing
1330	species
2846	group
3199	descended
2168	single
18262	progenitor
477	apply
2332	equal
2245	force
14175	earliest
664	known
1330	species
3282	instance
1560	doubted
41335	cambrian
67824	silurian
67825	trilobites
3199	descended
67826	crustacean
1360	lived
41335	cambrian
1829	age
7649	differed
1414	greatly
664	known
67	animal
4347	ancient
293	animals
67827	nautilus
67828	lingula
197	etc
994	differ
1330	species
6055	theory
4480	supposed
359	old
1330	species
18252	progenitors
1330	species
5238	belonging
2830	groups
7669	subsequently
886	appeared
2069	degree
2196	intermediate
35	character
5341	consequently
6055	theory
40021	indisputable
2749	lowest
41335	cambrian
7678	stratum
680	deposited
843	periods
6618	elapsed
2543	longer
6882	interval
41335	cambrian
1829	age
967	day
1434	vast
843	periods
535	world
5586	swarmed
1096	creatures
2609	encounter
1694	formidable
12367	objection
1193	seems
7308	doubtful
64	earth
1878	fit
1032	state
1273	habitation
1096	creatures
8187	lasted
322	sir
137	thompson
2203	concludes
9901	consolidation
3533	crust
2709	hardly
7767	occurred
100	twenty
408	hundred
2756	million
436	years
2735	ninety
2770	eight
408	hundred
2756	million
436	years
1670	wide
1006	limits
1725	show
7308	doubtful
5857	data
808	elements
2995	hereafter
6389	introduced
3379	problem
390	mr
67782	croll
5546	estimates
2471	sixty
2756	million
436	years
6618	elapsed
41335	cambrian
2772	period
7806	judging
2719	amount
21627	organic
889	change
7277	commencement
8260	glacial
8131	epoch
851	appears
607	time
790	great
57554	mutations
74	life
1438	certainly
7767	occurred
41335	cambrian
7639	formation
5254	previous
408	hundred
409	forty
2756	million
436	years
2709	hardly
2092	considered
3948	sufficient
955	development
2137	varied
2162	forms
74	life
5061	existed
41335	cambrian
2772	period
855	probable
322	sir
88	william
137	thompson
24349	insists
535	world
2772	period
6664	subjected
3790	rapid
4889	violent
952	changes
6151	physical
539	conditions
6577	occurring
952	changes
2817	tended
12774	induce
952	changes
7029	corresponding
2243	rate
21525	organisms
5061	existed
577	question
876	why
540	find
3721	rich
67156	fossiliferous
3438	deposits
5238	belonging
2283	assumed
14175	earliest
843	periods
18233	prior
41335	cambrian
4412	system
13	give
4433	satisfactory
579	answer
6558	eminent
43329	geologists
322	sir
45142	murchison
747	head
4461	recently
8773	convinced
12825	beheld
21627	organic
525	remains
2749	lowest
67824	silurian
7678	stratum
3545	dawn
74	life
2089	highly
6827	competent
13842	judges
44085	lyell
5440	forbes
18503	disputed
6630	conclusion
4264	forget
2508	portion
535	world
664	known
2227	accuracy
67829	barrande
901	added
1879	lower
2798	stage
14183	abounding
1567	peculiar
1330	species
664	known
67824	silurian
4412	system
1879	lower
1879	lower
41335	cambrian
7639	formation
390	mr
67830	hicks
670	found
2627	south
7386	wales
3484	beds
3721	rich
67825	trilobites
2273	containing
6	various
67831	molluscs
67832	annelids
2287	presence
47181	phosphatic
7699	nodules
41394	bituminous
428	matter
2749	lowest
67833	azotic
487	rocks
12582	indicates
74	life
843	periods
844	existence
67834	eozoon
67835	laurentian
7639	formation
9217	canada
1538	generally
1301	admitted
790	great
951	series
6016	strata
67824	silurian
4412	system
9217	canada
2749	lowest
67834	eozoon
670	found
322	sir
27799	logan
125	states
124	united
4056	thickness
3333	possibly
7017	surpass
3343	succeeding
487	rocks
1779	base
44077	palaeozoic
951	series
607	time
659	thus
3238	carried
2772	period
4174	remote
1615	appearance
661	called
67089	primordial
43972	fauna
67829	barrande
2092	considered
1062	comparatively
6050	modern
4770	event
67834	eozoon
559	belongs
2854	lowly
60453	organised
5039	classes
293	animals
2089	highly
60453	organised
3195	class
5061	existed
3359	countless
1159	numbers
1355	dr
22801	dawson
6129	remarked
1438	certainly
8774	preyed
673	minute
21627	organic
1021	beings
1360	lived
790	great
1159	numbers
659	thus
523	words
9220	wrote
844	existence
1021	beings
41335	cambrian
2772	period
322	sir
27799	logan
2412	proved
2125	difficulty
7168	assigning
1205	good
1765	reason
4815	absence
1434	vast
3889	piles
6016	strata
3721	rich
44957	fossils
41335	cambrian
4412	system
790	great
1125	seem
855	probable
4347	ancient
3484	beds
4192	worn
41331	denudation
44957	fossils
716	wholly
10583	obliterated
44300	metamorphic
469	action
2331	case
670	found
21871	remnants
41338	formations
3343	succeeding
1829	age
5061	existed
3489	partially
41592	metamorphosed
725	condition
7336	descriptions
1302	possess
67824	silurian
3438	deposits
2032	immense
9172	territories
8468	russia
2278	north
1254	america
1311	support
4991	view
8388	older
7639	formation
1454	invariably
10194	suffered
1176	extreme
41331	denudation
67836	metamorphism
2331	case
656	remain
5696	inexplicable
3138	truly
1504	urged
17341	valid
2247	argument
14503	views
9656	entertained
1725	show
2995	hereafter
2107	receive
6958	explanation
13	give
26614	hypothesis
439	nature
21627	organic
525	remains
860	appear
2648	inhabited
7379	profound
7814	depths
41338	formations
7317	europe
124	united
125	states
2719	amount
669	sediment
1421	miles
4056	thickness
41338	formations
768	composed
8474	infer
1333	islands
16279	tracts
274	land
1761	whence
669	sediment
835	derived
7767	occurred
10073	neighbourhood
1138	existing
15296	continents
7317	europe
2278	north
1254	america
4991	view
6896	maintained
517	agassiz
1025	others
420	know
1032	state
530	things
3213	intervals
3697	successive
41338	formations
7317	europe
124	united
125	states
3213	intervals
5061	existed
715	dry
274	land
35122	submarine
935	surface
274	land
669	sediment
680	deposited
1874	bed
9893	unfathomable
65	sea
3035	looking
1138	existing
38559	oceans
7697	thrice
2123	extensive
274	land
486	see
28067	studded
1333	islands
2709	hardly
3138	truly
49883	oceanic
5048	island
4318	exception
7756	zealand
661	called
3138	truly
49883	oceanic
5048	island
664	known
1126	afford
3416	remnant
44077	palaeozoic
16491	secondary
7639	formation
2289	hence
8474	infer
44077	palaeozoic
16491	secondary
843	periods
15296	continents
18896	continental
1333	islands
5061	existed
1565	where
38559	oceans
1795	extend
5061	existed
44077	palaeozoic
16491	secondary
41338	formations
2219	probability
7673	accumulated
669	sediment
835	derived
7880	wear
5692	tear
3489	partially
67786	upheaved
4939	oscillations
1456	level
32689	intervened
19382	enormously
843	periods
8474	infer
1651	facts
8474	infer
1565	where
38559	oceans
1795	extend
38559	oceans
2600	extended
49101	remotest
2772	period
5402	record
418	hand
1565	where
15296	continents
875	exist
16279	tracts
274	land
5061	existed
6664	subjected
3896	doubt
790	great
4939	oscillations
1456	level
41335	cambrian
2772	period
3288	coloured
16232	map
20024	appended
24	volume
44283	coral
9330	reefs
441	led
4410	conclude
790	great
38559	oceans
3180	mainly
22441	areas
15033	subsidence
790	great
67817	archipelagoes
22441	areas
4939	oscillations
1456	level
15296	continents
22441	areas
7256	elevation
1765	reason
1563	assume
530	things
659	thus
1452	remained
526	beginning
535	world
15296	continents
1125	seem
981	formed
19547	preponderance
4939	oscillations
1456	level
2245	force
7256	elevation
22441	areas
67345	preponderant
448	movement
1086	changed
6735	lapse
5050	ages
2772	period
60679	antecedent
41335	cambrian
8131	epoch
15296	continents
5061	existed
1565	where
38559	oceans
2432	spread
431	clear
38559	oceans
5061	existed
1565	where
15296	continents
513	stand
1320	justified
12912	assuming
3282	instance
1874	bed
5646	pacific
3229	ocean
5392	converted
6973	continent
540	find
41339	sedimentary
41338	formations
59305	recognisable
725	condition
8388	older
41335	cambrian
6016	strata
2647	formerly
680	deposited
650	happen
6016	strata
4285	subsided
1421	miles
2491	nearer
1907	centre
64	earth
3403	pressed
2584	enormous
1973	weight
67837	superincumbent
635	water
3668	undergone
44300	metamorphic
469	action
6016	strata
1452	remained
2491	nearer
935	surface
2032	immense
22441	areas
748	parts
535	world
3282	instance
2627	south
1254	america
2515	naked
44300	metamorphic
487	rocks
761	heated
790	great
6070	pressure
2098	seemed
1641	require
6958	explanation
5363	believe
486	see
22441	areas
41338	formations
6354	anterior
41335	cambrian
8131	epoch
1628	completely
41592	metamorphosed
51169	denuded
725	condition
1276	difficulties
11363	discussed
7117	namely
540	find
6220	geological
41338	formations
4343	links
1330	species
875	exist
2647	formerly
5061	existed
540	find
12240	infinitely
2552	numerous
627	fine
18118	transitional
2162	forms
796	closely
10296	joining
2079	sudden
1296	manner
2830	groups
1330	species
860	appear
1305	european
41338	formations
3308	entire
4815	absence
664	known
41338	formations
3721	rich
44957	fossils
41335	cambrian
6016	strata
2825	undoubtedly
576	serious
439	nature
486	see
714	fact
6558	eminent
45671	palaeontologists
7117	namely
2090	cuvier
517	agassiz
67829	barrande
67815	pictet
44804	falconer
5440	forbes
197	etc
1611	greatest
43329	geologists
44085	lyell
45142	murchison
45128	sedgwick
197	etc
5978	unanimously
50116	vehemently
6896	maintained
35928	immutability
1330	species
322	sir
194	charles
44085	lyell
695	gives
1311	support
2323	authority
583	opposite
1503	side
43329	geologists
45671	palaeontologists
10635	shaken
116	former
5542	belief
5363	believe
6220	geological
5402	record
2069	degree
947	perfect
2825	undoubtedly
2347	reject
6055	theory
839	part
44085	lyell
39325	metaphor
1851	look
6220	geological
5402	record
5	history
535	world
8495	imperfectly
984	kept
5528	written
2615	changing
4698	dialect
5	history
1302	possess
24	volume
18408	relating
7142	countries
24	volume
2851	chapter
6438	preserved
291	page
4263	lines
2472	word
1833	slowly
2615	changing
34	language
3697	successive
8311	chapters
3475	represent
2162	forms
74	life
62503	entombed
25651	consecutive
41338	formations
10965	falsely
860	appear
7075	abruptly
6389	introduced
4991	view
1276	difficulties
11363	discussed
1414	greatly
1354	diminished
1088	disappear
2851	chapter
264	xi
6220	geological
1607	succession
21627	organic
1021	beings
1818	slow
3697	successive
1615	appearance
1330	species
19593	rates
889	change
1330	species
465	lost
14156	reappear
2830	groups
1330	species
5123	follow
915	general
9365	rules
1615	appearance
8389	disappearance
2168	single
1330	species
20063	extinction
17118	simultaneous
952	changes
2162	forms
74	life
535	world
43973	affinities
3469	extinct
1330	species
1330	species
1032	state
955	development
4347	ancient
2162	forms
1607	succession
2727	types
22441	areas
22545	summary
2436	preceding
8311	chapters
1506	let
486	see
1651	facts
509	laws
18408	relating
6220	geological
1607	succession
21627	organic
1021	beings
11064	accord
733	common
4991	view
35928	immutability
1330	species
1818	slow
1642	gradual
973	modification
2174	variation
4	natural
6819	selection
1330	species
886	appeared
1833	slowly
274	land
2635	waters
44085	lyell
807	shown
2709	hardly
2336	resist
1238	evidence
747	head
2331	case
8144	tertiary
3429	stages
2658	year
580	tends
3055	fill
51631	blanks
3429	stages
473	make
537	proportion
465	lost
1138	existing
2162	forms
1642	gradual
2405	recent
3484	beds
2825	undoubtedly
13969	antiquity
2136	measured
436	years
1330	species
3469	extinct
886	appeared
607	time
23445	locally
420	know
401	face
64	earth
16491	secondary
41338	formations
1673	broken
45661	bronn
6129	remarked
1615	appearance
8389	disappearance
1330	species
7813	embedded
7639	formation
17118	simultaneous
1330	species
5238	belonging
6233	genera
5039	classes
1086	changed
2243	rate
2069	degree
8388	older
8144	tertiary
3484	beds
488	shells
670	found
617	multitude
3469	extinct
2162	forms
44804	falconer
1510	given
1889	striking
3282	instance
706	similar
714	fact
1138	existing
2053	crocodile
856	associated
465	lost
1572	mammals
2813	reptiles
7271	sub
52410	himalayan
3438	deposits
67824	silurian
67828	lingula
8723	differs
1330	species
2434	genus
67824	silurian
67831	molluscs
3728	crustaceans
1086	changed
1414	greatly
26943	productions
274	land
1125	seem
1086	changed
1108	quicker
2243	rate
65	sea
1889	striking
3282	instance
2202	observed
3306	switzerland
1765	reason
5363	believe
21525	organisms
1028	scale
889	change
2593	quickly
1788	low
3216	exceptions
426	rule
2719	amount
21627	organic
889	change
67815	pictet
6129	remarked
3697	successive
661	called
7639	formation
6049	compare
796	closely
592	related
41338	formations
1330	species
670	found
3668	undergone
889	change
1330	species
6738	disappeared
401	face
64	earth
1765	reason
5363	believe
997	identical
838	form
5642	reappears
2186	strongest
2745	apparent
4318	exception
2330	latter
426	rule
661	called
5433	colonies
67829	barrande
14931	intrude
2772	period
8388	older
7639	formation
5278	allow
1539	pre
1138	existing
43972	fauna
14156	reappear
44085	lyell
6958	explanation
7117	namely
2331	case
4020	temporary
3963	migration
2115	distinct
2426	geographical
536	province
1193	seems
4433	satisfactory
1651	facts
11064	accord
6055	theory
5043	includes
604	fixed
3174	law
955	development
6871	causing
6224	inhabitants
2433	area
889	change
7075	abruptly
1526	simultaneously
2332	equal
2069	degree
648	process
973	modification
1818	slow
1538	generally
1959	affect
1330	species
607	time
2122	variability
1330	species
1558	independent
1025	others
6816	variations
2143	individual
2147	differences
5952	arise
7673	accumulated
4	natural
6819	selection
731	greater
2069	degree
659	thus
6871	causing
731	greater
2719	amount
2361	permanent
973	modification
5107	depend
6319	complex
38825	contingencies
6816	variations
3880	beneficial
439	nature
2788	freedom
67060	intercrossing
1833	slowly
2615	changing
6151	physical
539	conditions
1093	country
24741	immigration
20854	colonists
439	nature
6224	inhabitants
6422	varying
1330	species
1070	come
17513	competition
2289	hence
553	means
3166	surprising
1330	species
3695	retain
997	identical
838	form
2543	longer
1025	others
2615	changing
889	change
2069	degree
540	find
706	similar
501	relations
1138	existing
6224	inhabitants
2115	distinct
7142	countries
3282	instance
274	land
488	shells
67267	coleopterous
1699	insects
21077	madeira
1070	come
994	differ
2173	considerably
4424	nearest
2252	allies
6973	continent
7317	europe
5604	marine
488	shells
294	birds
1452	remained
12845	unaltered
5860	understand
2022	apparently
1108	quicker
2243	rate
889	change
3300	terrestrial
2089	highly
60453	organised
26943	productions
894	compared
5604	marine
1879	lower
26943	productions
6319	complex
501	relations
1027	higher
1021	beings
21627	organic
8500	inorganic
539	conditions
74	life
8494	explained
116	former
2851	chapter
6224	inhabitants
2433	area
644	become
6124	modified
7729	improved
5860	understand
1151	principle
17513	competition
501	relations
22183	organism
22183	organism
3075	struggle
74	life
838	form
644	become
2069	degree
6124	modified
7729	improved
4608	liable
12628	extermination
2289	hence
486	see
876	why
1330	species
2293	region
1851	look
3213	intervals
607	time
644	become
6124	modified
644	become
3469	extinct
2376	members
3195	class
1902	average
2719	amount
889	change
2332	equal
843	periods
607	time
813	nearly
4302	accumulation
4096	enduring
41338	formations
3721	rich
44957	fossils
5261	depends
790	great
2795	masses
669	sediment
680	deposited
51095	subsiding
22441	areas
41338	formations
5327	necessarily
7673	accumulated
1670	wide
8640	irregularly
33779	intermittent
3213	intervals
607	time
5341	consequently
2719	amount
21627	organic
889	change
2659	exhibited
44957	fossils
7813	embedded
25651	consecutive
41338	formations
2332	equal
7639	formation
4991	view
5684	mark
4774	complete
1178	act
6824	creation
2255	occasional
2673	scene
976	taken
8795	hazard
1833	slowly
2615	changing
6346	drama
2751	clearly
5860	understand
876	why
1330	species
465	lost
14156	reappear
539	conditions
74	life
21627	organic
8500	inorganic
8710	recur
1814	offspring
1330	species
4233	adapted
3896	doubt
7767	occurred
602	innumerable
2746	instances
3055	fill
1216	place
1330	species
2876	economy
439	nature
659	thus
19368	supplant
2162	forms
359	old
66795	identically
1438	certainly
52462	inherit
7165	characters
2115	distinct
18252	progenitors
21525	organisms
6195	differing
847	vary
1296	manner
3282	instance
67190	fantail
4324	pigeons
2797	destroyed
64576	fanciers
473	make
4602	breed
2709	hardly
2220	distinguishable
4602	breed
2955	parent
3146	rock
2869	pigeon
2797	destroyed
439	nature
1765	reason
5363	believe
2955	parent
2162	forms
1538	generally
23695	supplanted
7828	exterminated
7729	improved
1814	offspring
16114	incredible
67190	fantail
997	identical
1138	existing
4602	breed
1516	raised
1330	species
2869	pigeon
2237	established
3093	race
2897	domestic
2869	pigeon
3697	successive
6816	variations
1438	certainly
2069	degree
10727	newly
981	formed
4463	variety
52462	inherit
18262	progenitor
906	characteristic
2147	differences
2830	groups
1330	species
6233	genera
2718	families
5123	follow
915	general
9365	rules
1615	appearance
8389	disappearance
2168	single
1330	species
2615	changing
2593	quickly
731	greater
7536	lesser
2069	degree
2846	group
6738	disappeared
5642	reappears
844	existence
4794	lasts
7657	continuous
2224	aware
2745	apparent
3216	exceptions
426	rule
3216	exceptions
13186	surprisingly
5440	forbes
67815	pictet
27113	woodward
800	strongly
12744	opposed
14503	views
1837	maintain
5314	admit
462	truth
426	rule
6020	strictly
59309	accords
6055	theory
1330	species
2846	group
8187	lasted
6124	modified
8275	descendants
733	common
18262	progenitor
2434	genus
67828	lingula
3282	instance
1330	species
6363	successively
886	appeared
5050	ages
3553	connected
7686	unbroken
951	series
2811	generations
2749	lowest
67824	silurian
7678	stratum
967	day
417	seen
2851	chapter
2830	groups
1330	species
10965	falsely
860	appear
7075	abruptly
946	developed
2225	attempted
13	give
6958	explanation
714	fact
2413	fatal
14503	views
2643	cases
1438	certainly
6003	exceptional
915	general
426	rule
1642	gradual
2764	increase
2554	number
2846	group
3527	reaches
9499	maximum
1383	sooner
1642	gradual
21472	decrease
2554	number
1330	species
16	included
2434	genus
2554	number
6233	genera
1161	family
595	represented
3914	vertical
3915	line
6422	varying
4056	thickness
5745	ascending
3697	successive
6220	geological
41338	formations
1330	species
670	found
3915	line
10965	falsely
860	appear
1149	begin
1879	lower
612	end
5295	sharp
223	point
7075	abruptly
945	gradually
60440	thickens
5675	upwards
1509	keeping
2332	equal
4056	thickness
1057	space
7745	ultimately
60451	thins
1040	upper
3484	beds
4952	marking
21472	decrease
544	final
20063	extinction
1330	species
1642	gradual
2764	increase
2554	number
1330	species
2846	group
6020	strictly
37925	conformable
6055	theory
1330	species
2434	genus
6233	genera
1161	family
2764	increase
1833	slowly
22476	progressively
648	process
973	modification
9506	production
2554	number
797	allied
2162	forms
5327	necessarily
1818	slow
1642	gradual
648	process
1330	species
1638	giving
949	rise
2149	varieties
1833	slowly
5392	converted
1330	species
1697	turn
887	produce
3209	equally
1818	slow
3175	steps
2149	varieties
1330	species
4482	branching
790	great
492	tree
2168	single
609	stem
2846	group
762	becomes
20063	extinction
67838	spokesn
8787	incidentally
8389	disappearance
1330	species
2830	groups
1330	species
6055	theory
4	natural
6819	selection
20063	extinction
359	old
2162	forms
9506	production
7729	improved
2162	forms
25735	intimately
3553	connected
359	old
1319	notion
6224	inhabitants
64	earth
5900	swept
6579	catastrophes
3697	successive
843	periods
1538	generally
1510	given
43329	geologists
24824	elie
1771	de
19706	beaumont
45142	murchison
67829	barrande
197	etc
915	general
14503	views
1683	naturally
4066	lead
6630	conclusion
1945	contrary
1765	reason
5363	believe
470	study
8144	tertiary
41338	formations
1330	species
2830	groups
1330	species
945	gradually
1088	disappear
1857	spot
4184	finally
535	world
2643	cases
2039	breaking
43386	isthmus
6600	consequent
13081	irruption
617	multitude
6224	inhabitants
4881	adjoining
65	sea
544	final
15033	subsidence
5048	island
648	process
20063	extinction
3790	rapid
2168	single
1330	species
2830	groups
1330	species
7705	unequal
843	periods
2830	groups
417	seen
13383	endured
14175	earliest
664	known
3545	dawn
74	life
967	day
6738	disappeared
44077	palaeozoic
2772	period
604	fixed
3174	law
1193	seems
4283	determine
1758	length
607	time
2168	single
1330	species
2168	single
2434	genus
20528	endures
1765	reason
5363	believe
20063	extinction
2846	group
1330	species
1538	generally
7720	slower
648	process
9506	production
1615	appearance
8389	disappearance
595	represented
3914	vertical
3915	line
6422	varying
4056	thickness
3915	line
670	found
22395	taper
945	gradually
1040	upper
612	end
6206	marks
1528	progress
12628	extermination
1879	lower
612	end
6206	marks
1615	appearance
2764	increase
2554	number
1330	species
2643	cases
12628	extermination
2830	groups
44309	ammonites
16491	secondary
2772	period
6376	wonderfully
2079	sudden
20063	extinction
1330	species
12149	involved
19228	gratuitous
1187	mystery
17166	authors
4480	supposed
2143	individual
893	definite
1758	length
74	life
1330	species
893	definite
4378	duration
15595	marvelled
20063	extinction
1330	species
670	found
13545	la
24062	plata
3461	tooth
2870	horse
7813	embedded
525	remains
54328	mastodon
67839	megatherium
67840	toxodon
3469	extinct
9325	monsters
388	co
5061	existed
488	shells
1927	late
6220	geological
2772	period
4987	filled
8460	astonishment
1751	seeing
2870	horse
599	introduction
9087	spaniards
2627	south
1254	america
1476	run
343	wild
1093	country
5105	increased
1159	numbers
26140	unparalleled
2243	rate
8041	asked
4461	recently
7828	exterminated
116	former
2870	horse
539	conditions
74	life
2022	apparently
14207	favourable
8460	astonishment
39064	groundless
200	professor
2213	owen
4203	perceived
3461	tooth
1138	existing
2870	horse
9027	belonged
3469	extinct
1330	species
2870	horse
2069	degree
1875	rare
192	naturalist
2452	felt
1674	surprise
11747	rarity
11747	rarity
7016	attribute
1434	vast
2554	number
1330	species
5039	classes
7142	countries
8836	ask
876	why
1330	species
1875	rare
579	answer
11423	unfavourable
539	conditions
74	life
2709	hardly
490	tell
6841	supposition
6834	fossil
2870	horse
1138	existing
1875	rare
1330	species
2452	felt
2239	analogy
1572	mammals
1818	slow
3338	breeding
2575	elephant
5	history
58782	naturalisation
2897	domestic
2870	horse
2627	south
1254	america
14207	favourable
539	conditions
436	years
6806	stocked
6973	continent
282	told
11423	unfavourable
539	conditions
2757	checked
2764	increase
38825	contingencies
2772	period
2870	horse
74	life
2069	degree
50437	severally
5751	acted
539	conditions
3410	gone
1833	slowly
3504	becoming
14207	favourable
10576	assuredly
4203	perceived
714	fact
6834	fossil
2870	horse
1438	certainly
644	become
7584	rarer
7584	rarer
4184	finally
3469	extinct
1216	place
1645	seized
1660	successful
23499	competitor
1242	difficult
3198	remember
2764	increase
736	creature
454	constantly
2757	checked
6460	unperceived
11038	hostile
24479	agencies
6460	unperceived
24479	agencies
6687	amply
3948	sufficient
3893	cause
11747	rarity
4184	finally
20063	extinction
427	subject
6343	understood
1404	heard
1674	surprise
4611	repeatedly
6814	expressed
790	great
9325	monsters
54328	mastodon
4347	ancient
67841	dinosaurians
644	become
3469	extinct
2116	mere
4111	bodily
1431	strength
1887	gave
13742	victory
3064	battle
74	life
2116	mere
885	size
1945	contrary
2643	cases
4283	determine
6129	remarked
2213	owen
1108	quicker
12628	extermination
731	greater
2719	amount
19364	requisite
966	food
303	man
2648	inhabited
7284	india
1270	africa
3893	cause
2757	checked
649	continued
2764	increase
1138	existing
2575	elephant
2089	highly
1822	capable
5210	judge
1355	dr
44804	falconer
7826	believes
767	chiefly
1699	insects
959	incessantly
34943	harassing
16526	weakening
2575	elephant
7284	india
5066	check
2764	increase
28458	bruce
6630	conclusion
968	respect
2164	african
2575	elephant
9152	abyssinia
1699	insects
1103	blood
3983	sucking
345	bats
4283	determine
844	existence
712	larger
58855	naturalised
7260	quadrupeds
748	parts
2627	south
1254	america
486	see
2643	cases
2405	recent
8144	tertiary
41338	formations
11747	rarity
39954	precedes
20063	extinction
420	know
1528	progress
6631	events
293	animals
7828	exterminated
23445	locally
716	wholly
303	man
7200	agency
6744	repeat
2437	published
7117	namely
5314	admit
1330	species
1538	generally
644	become
1875	rare
644	become
3469	extinct
1190	feel
1674	surprise
11747	rarity
1330	species
12570	marvel
1414	greatly
1330	species
4590	ceases
875	exist
5314	admit
10327	sickness
2143	individual
24823	forerunner
2058	death
1190	feel
1674	surprise
10327	sickness
10067	sick
303	man
14563	dies
296	wonder
4777	suspect
1691	died
12580	deed
2235	violence
6055	theory
4	natural
6819	selection
15727	grounded
5542	belief
4463	variety
7745	ultimately
1330	species
40	produced
6896	maintained
3092	advantage
2637	comes
17513	competition
6600	consequent
20063	extinction
9629	favoured
2162	forms
6009	inevitably
5322	follows
2897	domestic
26943	productions
1495	slightly
7729	improved
4463	variety
1516	raised
50683	supplants
7729	improved
2149	varieties
10073	neighbourhood
7729	improved
18230	transported
769	horn
4989	cattle
878	takes
1216	place
5047	breeds
7142	countries
659	thus
1615	appearance
2162	forms
8389	disappearance
359	old
2162	forms
1683	naturally
11728	artificially
40	produced
1165	bound
10047	flourishing
2830	groups
2554	number
7817	specific
2162	forms
40	produced
1510	given
607	time
843	periods
731	greater
2554	number
359	old
7817	specific
2162	forms
7828	exterminated
420	know
1330	species
3410	gone
848	indefinitely
2767	increasing
6220	geological
41334	epochs
3035	looking
884	times
5363	believe
9506	production
2162	forms
4377	caused
20063	extinction
2554	number
359	old
2162	forms
17513	competition
1538	generally
3612	severe
2647	formerly
8494	explained
103	illustrated
2894	examples
2162	forms
845	respects
2289	hence
7729	improved
6124	modified
8275	descendants
1330	species
1538	generally
3893	cause
12628	extermination
2955	parent
1330	species
2162	forms
946	developed
1330	species
4424	nearest
2252	allies
1330	species
1330	species
2434	genus
4608	liable
12628	extermination
659	thus
5363	believe
2554	number
1330	species
3199	descended
1330	species
2434	genus
2637	comes
19368	supplant
359	old
2434	genus
5238	belonging
1161	family
5248	happened
1330	species
5238	belonging
2846	group
1645	seized
1216	place
1753	occupied
1330	species
5238	belonging
2115	distinct
2846	group
659	thus
4377	caused
12628	extermination
797	allied
2162	forms
946	developed
1660	successful
3114	intruder
12343	yield
1184	places
1538	generally
797	allied
2162	forms
7623	suffer
6959	inherited
24340	inferiority
733	common
1330	species
5238	belonging
2115	distinct
3195	class
7784	yielded
1184	places
6124	modified
7729	improved
1330	species
14617	sufferers
6438	preserved
607	time
979	fitted
1567	peculiar
3915	line
74	life
4044	inhabiting
1595	distant
3905	isolated
8937	station
1565	where
6339	escaped
3612	severe
17513	competition
3282	instance
1330	species
67842	trigonia
790	great
2434	genus
488	shells
16491	secondary
41338	formations
2732	survive
3470	australian
9175	seas
2376	members
790	great
3469	extinct
2846	group
67344	ganoid
295	fishes
2476	inhabit
568	fresh
2635	waters
834	therefore
3458	utter
20063	extinction
2846	group
1538	generally
417	seen
7720	slower
648	process
9506	production
968	respect
2022	apparently
2079	sudden
12628	extermination
2718	families
5873	orders
67825	trilobites
44077	palaeozoic
2772	period
44309	ammonites
16491	secondary
2772	period
3198	remember
867	said
855	probable
1670	wide
3213	intervals
607	time
25651	consecutive
41338	formations
3213	intervals
1818	slow
12628	extermination
932	moreover
2079	sudden
24741	immigration
1815	unusually
3790	rapid
955	development
1330	species
2846	group
976	taken
1453	possession
2433	area
8388	older
1330	species
7828	exterminated
12170	correspondingly
3790	rapid
1296	manner
2162	forms
659	thus
12343	yield
1184	places
1561	commonly
797	allied
5215	partake
24340	inferiority
733	common
659	thus
1193	seems
1296	manner
2168	single
1330	species
2830	groups
1330	species
644	become
3469	extinct
59309	accords
6055	theory
4	natural
6819	selection
12570	marvel
20063	extinction
12570	marvel
1506	let
12148	presumption
14439	imagining
1087	moment
5860	understand
6319	complex
38825	contingencies
844	existence
1330	species
5261	depends
4264	forget
1677	instant
1330	species
580	tends
2764	increase
55607	inordinately
5066	check
469	action
2322	seldom
4203	perceived
2876	economy
439	nature
10231	utterly
13287	obscured
2409	precisely
548	say
876	why
1330	species
1100	abundant
2142	individuals
876	why
1330	species
58855	naturalised
1510	given
1093	country
8711	justly
1190	feel
1674	surprise
876	why
1089	account
20063	extinction
2917	particular
1330	species
2846	group
1330	species
2162	forms
74	life
2615	changing
1526	simultaneously
535	world
4280	scarcely
44810	palaeontological
6689	discovery
1889	striking
714	fact
2162	forms
74	life
889	change
1526	simultaneously
535	world
659	thus
1305	european
7689	chalk
7639	formation
9698	recognised
1595	distant
1282	regions
21201	climates
1565	where
6143	fragment
717	mineral
7689	chalk
670	found
7117	namely
2278	north
1254	america
1269	equatorial
2627	south
1254	america
7085	tierra
7086	del
7087	fuego
2276	cape
1205	good
1206	hope
23153	peninsula
7284	india
1595	distant
2438	points
21627	organic
525	remains
3484	beds
33757	unmistakable
7383	resemblance
7689	chalk
1330	species
1808	met
2643	cases
1330	species
66795	identically
2937	belong
2718	families
6233	genera
7202	sections
6233	genera
7062	similarly
12259	characterised
6280	trifling
2438	points
2116	mere
7670	superficial
17549	sculpture
932	moreover
2162	forms
670	found
7689	chalk
7317	europe
1798	occur
41338	formations
1798	occur
534	order
1595	distant
2438	points
535	world
3697	successive
44077	palaeozoic
41338	formations
8468	russia
1800	western
7317	europe
2278	north
1254	america
706	similar
7754	parallelism
2162	forms
74	life
2202	observed
17166	authors
1123	according
44085	lyell
1305	european
2278	north
8144	tertiary
3438	deposits
6834	fossil
1330	species
733	common
359	old
15061	worlds
984	kept
716	wholly
4991	view
915	general
7754	parallelism
3697	successive
2162	forms
74	life
44077	palaeozoic
8144	tertiary
3429	stages
2346	manifest
41338	formations
941	easily
67141	correlated
474	observations
4405	relate
5604	marine
6224	inhabitants
535	world
3948	sufficient
5857	data
5210	judge
26943	productions
274	land
568	fresh
635	water
1595	distant
2438	points
889	change
5987	parallel
1296	manner
3896	doubt
659	thus
1086	changed
67839	megatherium
67843	mylodon
67570	macrauchenia
67840	toxodon
2657	brought
7317	europe
13545	la
24062	plata
696	information
6812	regard
6220	geological
1464	position
4199	suspected
388	co
5061	existed
65	sea
488	shells
34968	anomalous
9325	monsters
388	co
5061	existed
54328	mastodon
2870	horse
12512	inferred
1360	lived
8144	tertiary
3429	stages
5604	marine
2162	forms
74	life
5841	spoken
1086	changed
1526	simultaneously
535	world
4480	supposed
2744	expression
1308	relates
2658	year
7506	century
9481	strict
6220	geological
2096	sense
5604	marine
293	animals
7317	europe
1360	lived
7317	europe
44284	pleistocene
2772	period
4174	remote
2772	period
2136	measured
436	years
5384	including
8260	glacial
8131	epoch
894	compared
1138	existing
2627	south
1254	america
3225	australia
4551	skilful
192	naturalist
2709	hardly
1172	able
548	say
44284	pleistocene
6224	inhabitants
7317	europe
2209	resembled
796	closely
4097	southern
7272	hemisphere
2089	highly
6827	competent
1389	observers
1837	maintain
1138	existing
26943	productions
124	united
125	states
796	closely
592	related
1360	lived
7317	europe
1927	late
8144	tertiary
3429	stages
6224	inhabitants
7317	europe
1618	evident
67156	fossiliferous
3484	beds
680	deposited
1281	shores
2278	north
1254	america
2995	hereafter
4608	liable
5198	classed
1026	somewhat
8388	older
1305	european
3484	beds
3035	looking
11673	remotely
2984	future
8131	epoch
3896	doubt
6050	modern
5604	marine
41338	formations
7117	namely
1040	upper
8130	pliocene
44284	pleistocene
6020	strictly
6050	modern
3484	beds
7317	europe
2278	north
2627	south
1254	america
3225	australia
2273	containing
6834	fossil
525	remains
2069	degree
797	allied
5384	including
2162	forms
670	found
8388	older
7671	underlying
3438	deposits
7511	correctly
23458	ranked
17118	simultaneous
6220	geological
2096	sense
714	fact
2162	forms
74	life
2615	changing
1526	simultaneously
2096	sense
1595	distant
748	parts
535	world
1414	greatly
6185	struck
4417	admirable
1389	observers
21398	mm
1771	de
46558	verneuil
67844	archiac
7163	referring
7754	parallelism
44077	palaeozoic
2162	forms
74	life
6	various
748	parts
7317	europe
2976	add
6185	struck
305	strange
37809	sequence
1697	turn
1663	attention
2278	north
1254	america
4123	discover
951	series
3285	analogous
445	phenomena
860	appear
8343	modifications
1330	species
20063	extinction
599	introduction
938	ones
3357	owing
2116	mere
952	changes
5604	marine
5556	currents
6065	causes
2477	local
4020	temporary
5107	depend
915	general
509	laws
510	govern
67	animal
3725	kingdom
67829	barrande
413	made
7630	forcible
2086	remarks
2409	precisely
5087	effect
815	indeed
21766	futile
1851	look
952	changes
5556	currents
4168	climate
6151	physical
539	conditions
3893	cause
790	great
57554	mutations
2162	forms
74	life
535	world
21201	climates
67829	barrande
6129	remarked
1851	look
3174	law
486	see
2751	clearly
3473	treat
2622	distribution
21627	organic
1021	beings
540	find
972	slight
313	relation
6151	physical
539	conditions
6	various
7142	countries
439	nature
6224	inhabitants
790	great
714	fact
5987	parallel
1607	succession
2162	forms
74	life
535	world
33235	explicable
6055	theory
4	natural
6819	selection
1330	species
981	formed
3092	advantage
8388	older
2162	forms
2162	forms
8729	dominant
3092	advantage
2162	forms
1093	country
13	give
1813	birth
1611	greatest
2554	number
2149	varieties
22306	incipient
1330	species
2115	distinct
1238	evidence
747	head
447	plants
8729	dominant
2858	commonest
2585	widely
937	diffused
5922	producing
1611	greatest
2554	number
2149	varieties
4	natural
8729	dominant
6422	varying
4894	spreading
1330	species
5252	invaded
1341	extent
9172	territories
1330	species
2717	chance
4894	spreading
1012	further
1638	giving
949	rise
7142	countries
2149	varieties
1330	species
648	process
7046	diffusion
1818	slow
6910	depending
67810	climatal
2426	geographical
952	changes
305	strange
16433	accidents
1642	gradual
42998	acclimatization
1330	species
6	various
21201	climates
587	pass
954	course
607	time
8729	dominant
2162	forms
1538	generally
2415	succeed
4894	spreading
7745	ultimately
8381	prevail
7046	diffusion
855	probable
7720	slower
3300	terrestrial
6224	inhabitants
2115	distinct
15296	continents
5604	marine
6224	inhabitants
7657	continuous
65	sea
834	therefore
8353	expect
540	find
540	find
9481	strict
2069	degree
7754	parallelism
1607	succession
26943	productions
274	land
65	sea
659	thus
1193	seems
5987	parallel
976	taken
2096	sense
17118	simultaneous
1607	succession
2162	forms
74	life
535	world
59309	accords
1151	principle
1330	species
981	formed
8729	dominant
1330	species
4894	spreading
2585	widely
6422	varying
1330	species
659	thus
40	produced
8729	dominant
3357	owing
3092	advantage
8729	dominant
1203	parents
1330	species
4894	spreading
6422	varying
5922	producing
2162	forms
359	old
2162	forms
765	beaten
12343	yield
1184	places
13904	victorious
2162	forms
1538	generally
797	allied
2830	groups
1204	inheriting
24340	inferiority
733	common
834	therefore
7729	improved
2830	groups
2432	spread
535	world
359	old
2830	groups
1088	disappear
535	world
1607	succession
2162	forms
5525	everywhere
580	tends
6144	correspond
1615	appearance
544	final
8389	disappearance
2447	remark
3553	connected
427	subject
4727	worth
1422	making
1510	given
8492	reasons
1321	believing
790	great
41338	formations
3721	rich
44957	fossils
680	deposited
843	periods
15033	subsidence
10186	blank
3213	intervals
1434	vast
4378	duration
44957	fossils
6076	concerned
7767	occurred
843	periods
1874	bed
65	sea
6522	stationary
4689	rising
669	sediment
2694	thrown
2593	quickly
67791	embed
1518	preserve
21627	organic
525	remains
10186	blank
3213	intervals
2309	suppose
6224	inhabitants
2293	region
14350	underwent
3267	considerable
2719	amount
973	modification
20063	extinction
3963	migration
748	parts
535	world
1765	reason
5363	believe
22441	areas
5522	affected
448	movement
855	probable
6020	strictly
32732	contemporaneous
41338	formations
7673	accumulated
1670	wide
1608	spaces
5337	quarter
535	world
4410	conclude
1454	invariably
2331	case
22441	areas
1454	invariably
5522	affected
1574	movements
41338	formations
680	deposited
1282	regions
813	nearly
2153	exactly
2772	period
540	find
6065	causes
8494	explained
5213	foregoing
9408	paragraphs
915	general
1607	succession
2162	forms
74	life
1330	species
2153	exactly
6144	correspond
607	time
2293	region
973	modification
20063	extinction
24741	immigration
4777	suspect
2643	cases
439	nature
1798	occur
7317	europe
390	mr
44812	prestwich
4417	admirable
20629	memoirs
9192	eocene
3438	deposits
174	england
3304	france
1172	able
2338	draw
915	general
7754	parallelism
3697	successive
3429	stages
7142	countries
23540	compares
3429	stages
174	england
3304	france
506	finds
1918	curious
7448	accordance
1159	numbers
1330	species
5238	belonging
6233	genera
1330	species
994	differ
1296	manner
1242	difficult
1089	account
6589	proximity
22441	areas
815	indeed
2283	assumed
43386	isthmus
942	separated
9175	seas
2648	inhabited
2115	distinct
32732	contemporaneous
67383	faunas
44085	lyell
413	made
706	similar
474	observations
8144	tertiary
41338	formations
67829	barrande
2201	shows
1889	striking
915	general
7754	parallelism
3697	successive
67824	silurian
3438	deposits
32911	bohemia
23466	scandinavia
506	finds
3166	surprising
2719	amount
2178	difference
1330	species
41338	formations
1282	regions
680	deposited
4734	exact
843	periods
7639	formation
2293	region
7029	corresponding
10186	blank
6882	interval
1282	regions
1330	species
3410	gone
1833	slowly
2615	changing
4302	accumulation
41338	formations
3213	intervals
607	time
2331	case
41338	formations
1282	regions
3680	arranged
534	order
7448	accordance
915	general
1607	succession
2162	forms
74	life
534	order
10965	falsely
860	appear
6020	strictly
5987	parallel
1330	species
2022	apparently
7029	corresponding
3429	stages
1282	regions
43973	affinities
3469	extinct
1330	species
2162	forms
1506	let
1851	look
4187	mutual
43973	affinities
3469	extinct
1330	species
776	fall
4499	grand
5039	classes
714	fact
8494	explained
1151	principle
5736	descent
4347	ancient
838	form
915	general
426	rule
8723	differs
2162	forms
42243	buckland
6129	remarked
3469	extinct
1330	species
5198	classed
1138	existing
2830	groups
3469	extinct
2162	forms
74	life
1220	help
3055	fill
3213	intervals
1138	existing
6233	genera
2718	families
5873	orders
1438	certainly
6985	statement
24784	ignored
13766	denied
473	make
2086	remarks
427	subject
13	give
2746	instances
5927	confine
1663	attention
3469	extinct
1330	species
3195	class
951	series
947	perfect
2192	combine
915	general
4412	system
414	writings
200	professor
2213	owen
4865	continually
2188	meet
2744	expression
60333	generalised
2162	forms
933	applied
3469	extinct
293	animals
414	writings
517	agassiz
9634	prophetic
46914	synthetic
2727	types
14	terms
2726	imply
2162	forms
714	fact
2196	intermediate
23335	connecting
4343	links
2971	distinguished
67115	palaeontologist
67845	gaudry
807	shown
1889	striking
1296	manner
6834	fossil
1572	mammals
2396	discovered
35731	attica
5879	serve
755	break
3213	intervals
1138	existing
6233	genera
2090	cuvier
23458	ranked
22262	ruminants
64134	pachyderms
2115	distinct
5873	orders
1572	mammals
6834	fossil
4343	links
67846	disentombed
2213	owen
13789	alter
7167	classification
750	placed
64134	pachyderms
7271	sub
534	order
22262	ruminants
699	example
34470	dissolves
10254	gradations
2022	apparently
1670	wide
6882	interval
7555	pig
7069	camel
63991	ungulata
66178	hoofed
7260	quadrupeds
5038	divided
9191	toed
3193	odd
9191	toed
1015	divisions
67570	macrauchenia
2627	south
1254	america
27797	connects
1341	extent
4499	grand
1015	divisions
11398	deny
67660	hipparion
2196	intermediate
1138	existing
2870	horse
67571	ungulate
2162	forms
327	wonderful
23335	connecting
12571	link
8270	chain
1572	mammals
67847	typotherium
2627	south
1254	america
2109	name
1510	given
200	professor
52542	gervais
19566	expresses
750	placed
1138	existing
534	order
7180	sirenia
838	form
2115	distinct
2846	group
1572	mammals
841	remarkable
1197	peculiarities
1138	existing
63803	dugong
67848	lamentin
3308	entire
4815	absence
1532	hind
1533	limbs
983	rudiment
3469	extinct
67849	halitherium
1123	according
200	professor
939	flower
57829	ossified
36675	thigh
7188	bone
7208	articulated
7118	defined
62342	acetabulum
1951	pelvis
659	thus
1961	makes
1469	approach
1264	ordinary
66178	hoofed
7260	quadrupeds
7180	sirenia
845	respects
797	allied
48202	cetaceans
7176	whales
2585	widely
1572	mammals
8144	tertiary
67850	zeuglodon
65573	squalodon
750	placed
415	naturalists
534	order
2092	considered
200	professor
297	huxley
2825	undoubtedly
48202	cetaceans
1271	constitute
23335	connecting
4343	links
3298	aquatic
4083	carnivora
1670	wide
6882	interval
294	birds
2813	reptiles
807	shown
192	naturalist
2228	quoted
3489	partially
41789	bridged
5871	unexpected
1296	manner
418	hand
3488	ostrich
3469	extinct
67818	archeopteryx
418	hand
67851	compsognathus
67841	dinosaurians
2846	group
5043	includes
2752	gigantic
3300	terrestrial
2813	reptiles
5070	turning
67852	invertebrata
67829	barrande
2326	asserts
1027	higher
2323	authority
7312	named
967	day
1175	taught
44077	palaeozoic
293	animals
1438	certainly
5198	classed
1138	existing
2830	groups
4347	ancient
2772	period
2830	groups
6347	distinctly
942	separated
7305	writers
8387	objected
3469	extinct
1330	species
2846	group
1330	species
2092	considered
2196	intermediate
1330	species
2830	groups
1330	species
2481	term
2074	meant
3469	extinct
838	form
2196	intermediate
7165	characters
2162	forms
2830	groups
12367	objection
17341	valid
4	natural
7167	classification
6834	fossil
1330	species
1438	certainly
513	stand
1330	species
3469	extinct
6233	genera
6233	genera
6233	genera
5238	belonging
2115	distinct
2718	families
733	common
2331	case
1731	especially
968	respect
2115	distinct
2830	groups
355	fish
2813	reptiles
1193	seems
2971	distinguished
967	day
4543	score
7165	characters
4347	ancient
2376	members
942	separated
1026	somewhat
7536	lesser
2554	number
7165	characters
2830	groups
2647	formerly
413	made
1026	somewhat
2491	nearer
1469	approach
733	common
5542	belief
4347	ancient
838	form
580	tends
6503	connect
7165	characters
2830	groups
2585	widely
942	separated
2447	remark
3896	doubt
21563	restricted
2830	groups
3668	undergone
889	change
954	course
6220	geological
5050	ages
1242	difficult
2182	prove
462	truth
8596	proposition
67	animal
67347	lepidosiren
2396	discovered
43973	affinities
1986	directed
2115	distinct
2830	groups
6049	compare
8388	older
2813	reptiles
45645	batrachians
8388	older
355	fish
8388	older
46551	cephalopods
9192	eocene
1572	mammals
2405	recent
2376	members
5039	classes
5314	admit
462	truth
2447	remark
1506	let
486	see
1651	facts
18117	inferences
11064	accord
6055	theory
5736	descent
973	modification
427	subject
1026	somewhat
6319	complex
9426	request
5352	reader
1697	turn
7664	diagram
5956	fourth
2851	chapter
2309	suppose
2790	numbered
9216	letters
33973	italics
3475	represent
6233	genera
4262	dotted
4263	lines
4064	diverging
1330	species
2434	genus
7664	diagram
515	simple
6233	genera
1330	species
1510	given
17086	unimportant
4772	horizontal
4263	lines
3475	represent
3697	successive
6220	geological
41338	formations
2162	forms
13403	uppermost
3915	line
2092	considered
3469	extinct
1138	existing
6233	genera
838	form
1161	family
796	closely
797	allied
1161	family
67821	subfamily
79	third
1161	family
2718	families
3469	extinct
6233	genera
4263	lines
5736	descent
4064	diverging
2955	parent
838	form
838	form
534	order
6959	inherited
733	common
4347	ancient
18262	progenitor
1151	principle
649	continued
2424	tendency
46257	divergence
35	character
2647	formerly
103	illustrated
7664	diagram
2405	recent
838	form
1538	generally
994	differ
4347	ancient
18262	progenitor
2289	hence
5860	understand
426	rule
4347	ancient
44957	fossils
994	differ
1138	existing
2162	forms
1563	assume
46257	divergence
35	character
485	necessary
43305	contingency
5261	depends
5258	solely
8275	descendants
1330	species
659	thus
3358	enabled
1466	seize
1184	places
2876	economy
439	nature
834	therefore
417	seen
2331	case
67824	silurian
2162	forms
1330	species
1824	go
1495	slightly
6124	modified
313	relation
1495	slightly
5754	altered
539	conditions
74	life
3695	retain
1434	vast
2772	period
915	general
7182	characteristics
595	represented
7664	diagram
8111	letter
2162	forms
3469	extinct
2405	recent
3199	descended
473	make
6129	remarked
534	order
534	order
649	continued
17321	effects
20063	extinction
46257	divergence
35	character
644	become
5038	divided
7271	sub
2718	families
2718	families
4480	supposed
8359	perished
843	periods
13383	endured
967	day
3035	looking
7664	diagram
486	see
3469	extinct
2162	forms
4480	supposed
7813	embedded
3697	successive
41338	formations
2396	discovered
2438	points
1788	low
951	series
1138	existing
2718	families
13403	uppermost
3915	line
655	rendered
2115	distinct
3282	instance
6233	genera
59799	disinterred
2718	families
796	closely
9410	linked
124	united
790	great
1161	family
813	nearly
1296	manner
7767	occurred
22262	ruminants
64134	pachyderms
8387	objected
5191	consider
2196	intermediate
3469	extinct
6233	genera
659	thus
12571	link
6233	genera
2718	families
1993	partly
1320	justified
2196	intermediate
67355	circuitous
954	course
2585	widely
2162	forms
3469	extinct
2162	forms
2396	discovered
2221	middle
4772	horizontal
4263	lines
6220	geological
41338	formations
3282	instance
257	vi
3915	line
2718	families
418	hand
197	etc
197	etc
124	united
656	remain
2718	families
2115	distinct
6689	discovery
44957	fossils
2718	families
981	formed
2770	eight
6233	genera
13403	uppermost
3915	line
4480	supposed
994	differ
1328	half
1329	dozen
7165	characters
2718	families
5061	existed
2772	period
437	marked
257	vi
1438	certainly
7649	differed
2554	number
7165	characters
2798	stage
5736	descent
32797	diverged
2069	degree
733	common
18262	progenitor
659	thus
2637	comes
4347	ancient
3469	extinct
6233	genera
731	greater
2069	degree
2196	intermediate
35	character
6124	modified
8275	descendants
23505	collateral
501	relations
439	nature
648	process
1000	complicated
595	represented
7664	diagram
2830	groups
2552	numerous
13383	endured
2232	extremely
7705	unequal
13798	lengths
607	time
6124	modified
6	various
5627	degrees
1302	possess
24	volume
6220	geological
5402	record
1673	broken
725	condition
8353	expect
1875	rare
2643	cases
3055	fill
1670	wide
3213	intervals
4	natural
4412	system
659	thus
8408	unite
2115	distinct
2718	families
5873	orders
8353	expect
2830	groups
664	known
6220	geological
843	periods
3668	undergone
973	modification
8388	older
41338	formations
473	make
972	slight
1469	approach
8388	older
2376	members
994	differ
7165	characters
1138	existing
2376	members
2830	groups
1557	concurrent
1238	evidence
45671	palaeontologists
1365	frequently
2331	case
659	thus
6055	theory
5736	descent
973	modification
3217	main
1651	facts
968	respect
4187	mutual
43973	affinities
3469	extinct
2162	forms
74	life
2162	forms
8494	explained
4433	satisfactory
1296	manner
716	wholly
5696	inexplicable
4991	view
6055	theory
1618	evident
43972	fauna
790	great
2772	period
64	earth
5	history
2196	intermediate
915	general
35	character
5963	preceded
2808	succeeded
659	thus
1330	species
1360	lived
2850	sixth
790	great
2798	stage
5736	descent
7664	diagram
6124	modified
1814	offspring
1360	lived
5957	fifth
2798	stage
1203	parents
4676	became
6124	modified
6378	seventh
2798	stage
2289	hence
2709	hardly
2605	fail
813	nearly
2196	intermediate
35	character
2162	forms
74	life
5278	allow
3308	entire
20063	extinction
2436	preceding
2162	forms
2293	region
24741	immigration
2162	forms
1282	regions
2719	amount
973	modification
10186	blank
3213	intervals
3697	successive
41338	formations
427	subject
23767	allowances
43972	fauna
6220	geological
2772	period
2825	undoubtedly
2196	intermediate
35	character
2436	preceding
3343	succeeding
67383	faunas
13	give
3282	instance
7117	namely
1296	manner
44957	fossils
6835	devonian
4412	system
4412	system
2396	discovered
9698	recognised
45671	palaeontologists
2196	intermediate
35	character
7650	overlying
44079	carboniferous
7671	underlying
67824	silurian
9586	systems
43972	fauna
5327	necessarily
2153	exactly
2196	intermediate
7705	unequal
3213	intervals
607	time
6618	elapsed
25651	consecutive
41338	formations
12367	objection
462	truth
6985	statement
43972	fauna
2772	period
813	nearly
2196	intermediate
35	character
2436	preceding
3343	succeeding
67383	faunas
6233	genera
2160	offer
3216	exceptions
426	rule
3282	instance
1330	species
53249	mastodons
2568	elephants
3680	arranged
1355	dr
44804	falconer
951	series
1216	place
1123	according
4187	mutual
43973	affinities
1216	place
1123	according
843	periods
844	existence
11064	accord
2496	arrangement
1330	species
1176	extreme
35	character
2646	oldest
2405	recent
2196	intermediate
35	character
2196	intermediate
1829	age
1677	instant
2643	cases
5402	record
1615	appearance
8389	disappearance
1330	species
4774	complete
2331	case
1765	reason
5363	believe
2162	forms
6363	successively
40	produced
5327	necessarily
10074	endure
7029	corresponding
13798	lengths
607	time
4347	ancient
838	form
1744	occasionally
8187	lasted
2543	longer
838	form
3468	elsewhere
7669	subsequently
40	produced
1731	especially
2331	case
3300	terrestrial
26943	productions
4044	inhabiting
942	separated
3362	districts
6049	compare
530	things
790	great
230	principal
3469	extinct
2117	races
2897	domestic
2869	pigeon
3680	arranged
46258	serial
21815	affinity
2496	arrangement
796	closely
11064	accord
534	order
607	time
9506	production
534	order
8389	disappearance
2955	parent
3146	rock
2869	pigeon
1002	lives
2149	varieties
3146	rock
2869	pigeon
16827	carrier
644	become
3469	extinct
23589	carriers
1176	extreme
35	character
1758	length
318	beak
1299	originated
1297	earlier
48144	beaked
28374	tumblers
583	opposite
612	end
951	series
968	respect
796	closely
3553	connected
6985	statement
21627	organic
525	remains
2196	intermediate
7639	formation
2069	degree
2196	intermediate
35	character
714	fact
455	insisted
45671	palaeontologists
44957	fossils
25651	consecutive
41338	formations
796	closely
592	related
44957	fossils
4174	remote
41338	formations
67815	pictet
695	gives
664	known
3282	instance
915	general
7383	resemblance
21627	organic
525	remains
3429	stages
7689	chalk
7639	formation
1330	species
2115	distinct
2798	stage
714	fact
13563	generality
1193	seems
10635	shaken
200	professor
67815	pictet
5542	belief
35928	immutability
1330	species
5916	acquainted
2622	distribution
1138	existing
1330	species
17083	globe
2033	attempt
1089	account
7383	resemblance
2115	distinct
1330	species
796	closely
25651	consecutive
41338	formations
6151	physical
539	conditions
4347	ancient
22441	areas
1452	remained
813	nearly
1506	let
791	remembered
2162	forms
74	life
4044	inhabiting
65	sea
1086	changed
1526	simultaneously
535	world
834	therefore
21201	climates
539	conditions
5191	consider
1391	prodigious
18708	vicissitudes
4168	climate
44284	pleistocene
2772	period
5043	includes
8260	glacial
8131	epoch
382	note
7817	specific
2162	forms
6224	inhabitants
65	sea
5522	affected
6055	theory
5736	descent
498	full
3778	meaning
6834	fossil
525	remains
796	closely
25651	consecutive
41338	formations
796	closely
592	related
23458	ranked
2115	distinct
1330	species
799	obvious
4302	accumulation
7639	formation
4012	interrupted
10186	blank
3213	intervals
32689	intervened
3697	successive
41338	formations
8353	expect
540	find
2225	attempted
1725	show
2851	chapter
41338	formations
2196	intermediate
2149	varieties
1330	species
886	appeared
7277	commencement
843	periods
540	find
3213	intervals
2136	measured
436	years
7800	moderately
2136	measured
6837	geologically
796	closely
797	allied
2162	forms
661	called
17166	authors
4848	representative
1330	species
10576	assuredly
540	find
540	find
1238	evidence
1818	slow
4280	scarcely
11415	sensible
57554	mutations
7817	specific
2162	forms
8353	expect
1032	state
955	development
4347	ancient
894	compared
2162	forms
417	seen
5956	fourth
2851	chapter
2069	degree
21320	differentiation
67356	specialisation
748	parts
21627	organic
1021	beings
7319	arrived
2760	maturity
1124	standard
1263	suggested
2069	degree
6148	perfection
35538	highness
417	seen
67356	specialisation
748	parts
3092	advantage
4	natural
6819	selection
5421	tend
4322	render
12920	organisation
60481	specialised
947	perfect
2096	sense
1027	higher
2026	leave
1096	creatures
515	simple
67360	unimproved
4560	structures
979	fitted
515	simple
539	conditions
74	life
2643	cases
33424	degrade
25935	simplify
12920	organisation
3428	leaving
12319	degraded
1021	beings
979	fitted
1455	walks
74	life
915	general
1296	manner
1330	species
644	become
4513	superior
5973	predecessors
1107	beat
3075	struggle
74	life
8388	older
2162	forms
1070	come
17513	competition
834	therefore
4410	conclude
813	nearly
706	similar
4168	climate
9192	eocene
6224	inhabitants
535	world
640	put
17513	competition
1138	existing
6224	inhabitants
116	former
765	beaten
7828	exterminated
2330	latter
16491	secondary
9192	eocene
44077	palaeozoic
16491	secondary
2162	forms
998	fundamental
2710	test
13742	victory
3064	battle
74	life
1124	standard
67356	specialisation
1589	organs
6050	modern
2162	forms
6055	theory
4	natural
6819	selection
513	stand
1027	higher
4347	ancient
2162	forms
2331	case
3596	majority
45671	palaeontologists
579	answer
11288	affirmative
1193	seems
579	answer
1301	admitted
1242	difficult
4810	proof
17341	valid
12367	objection
6630	conclusion
46552	brachiopods
1495	slightly
6124	modified
2232	extremely
4174	remote
6220	geological
8131	epoch
274	land
568	fresh
635	water
488	shells
1452	remained
813	nearly
607	time
664	known
886	appeared
39994	insuperable
2125	difficulty
67853	foraminifera
455	insisted
1355	dr
5945	carpenter
3464	progressed
12920	organisation
67835	laurentian
8131	epoch
21525	organisms
656	remain
979	fitted
515	simple
539	conditions
74	life
979	fitted
612	end
2854	lowly
60453	organised
67854	protozoa
23735	objections
2413	fatal
4991	view
16	included
2814	advance
12920	organisation
485	necessary
34866	contingent
2413	fatal
67853	foraminifera
3282	instance
2412	proved
1070	come
844	existence
67835	laurentian
8131	epoch
46552	brachiopods
41335	cambrian
7639	formation
2331	case
607	time
3948	sufficient
955	development
21525	organisms
1124	standard
4620	reached
2738	advanced
1510	given
223	point
4072	necessity
6055	theory
4	natural
6819	selection
1012	further
649	continued
648	process
3697	successive
1829	age
1495	slightly
6124	modified
1067	hold
1184	places
313	relation
972	slight
952	changes
539	conditions
5213	foregoing
23735	objections
7207	hinge
577	question
420	know
359	old
535	world
2772	period
6	various
2162	forms
74	life
886	appeared
18503	disputed
3379	problem
12920	organisation
2738	advanced
446	ways
6668	excessively
4660	intricate
6220	geological
5402	record
884	times
8027	imperfect
1795	extend
1725	show
33757	unmistakable
13877	clearness
664	known
5	history
535	world
12920	organisation
4596	largely
2738	advanced
967	day
3035	looking
2376	members
3195	class
415	naturalists
16745	unanimous
2162	forms
23458	ranked
2041	highest
659	thus
1851	look
67855	selaceans
17048	sharks
1469	approach
2438	points
679	structure
2813	reptiles
2041	highest
355	fish
1025	others
1851	look
67823	teleosteans
2041	highest
67856	ganoids
513	stand
2196	intermediate
67855	selaceans
67823	teleosteans
2330	latter
967	day
4596	largely
67345	preponderant
2554	number
2647	formerly
67855	selaceans
67856	ganoids
5061	existed
2331	case
1123	according
1124	standard
35538	highness
4186	chosen
867	said
295	fishes
2738	advanced
67857	retrograded
12920	organisation
2033	attempt
6049	compare
2376	members
2115	distinct
2727	types
1028	scale
35538	highness
1193	seems
8555	hopeless
2455	decide
354	cuttle
355	fish
1027	higher
3942	bee
1083	insect
790	great
7757	von
67137	baer
7717	believed
714	fact
2089	highly
60453	organised
355	fish
2713	type
6319	complex
3075	struggle
74	life
7827	credible
3728	crustaceans
3195	class
1107	beat
46551	cephalopods
2041	highest
67831	molluscs
3728	crustaceans
2089	highly
946	developed
513	stand
1028	scale
9253	invertebrate
293	animals
5329	judged
22373	decisive
7517	trials
3174	law
3064	battle
21715	inherent
1276	difficulties
22286	deciding
2162	forms
2738	advanced
12920	organisation
5258	solely
6049	compare
2041	highest
2376	members
3195	class
843	periods
2825	undoubtedly
452	element
1889	striking
1492	balance
6049	compare
2376	members
1788	low
843	periods
4347	ancient
8131	epoch
2041	highest
2749	lowest
67858	molluscoidal
293	animals
7117	namely
46551	cephalopods
46552	brachiopods
5586	swarmed
1159	numbers
607	time
2830	groups
1414	greatly
2839	reduced
1025	others
2196	intermediate
12920	organisation
4596	largely
5105	increased
5341	consequently
415	naturalists
1837	maintain
67831	molluscs
2647	formerly
2089	highly
946	developed
3806	stronger
2331	case
413	made
583	opposite
1503	side
1434	vast
21893	reduction
46552	brachiopods
714	fact
1138	existing
46551	cephalopods
2554	number
2089	highly
60453	organised
4347	ancient
3946	representatives
6049	compare
730	relative
22528	proportional
1159	numbers
843	periods
1788	low
5039	classes
535	world
3282	instance
967	day
1834	fifty
496	thousand
2013	kinds
2748	vertebrate
293	animals
875	exist
4177	knew
116	former
2772	period
1827	ten
496	thousand
2013	kinds
5061	existed
1851	look
2764	increase
2554	number
2041	highest
3195	class
5343	implies
790	great
8628	displacement
1879	lower
2162	forms
2161	decided
2814	advance
12920	organisation
535	world
659	thus
486	see
4821	hopelessly
1242	difficult
6049	compare
947	perfect
24656	fairness
2232	extremely
6319	complex
501	relations
1124	standard
12920	organisation
8495	imperfectly
664	known
67383	faunas
3697	successive
843	periods
3517	appreciate
2125	difficulty
2751	clearly
3035	looking
1138	existing
67383	faunas
67247	floras
6094	extraordinary
1296	manner
1305	european
26943	productions
4461	recently
2432	spread
7756	zealand
1645	seized
1184	places
4198	previously
1753	occupied
67351	indigenes
5363	believe
293	animals
447	plants
790	great
7473	britain
36	set
2000	free
7756	zealand
617	multitude
5732	british
2162	forms
954	course
607	time
644	become
4182	thoroughly
26478	naturalized
11813	exterminate
1290	natives
418	hand
714	fact
2709	hardly
2168	single
8760	inhabitant
4097	southern
7272	hemisphere
644	become
343	wild
839	part
7317	europe
3896	doubt
26943	productions
7756	zealand
36	set
2000	free
790	great
7473	britain
3267	considerable
2554	number
3358	enabled
1466	seize
1184	places
1753	occupied
2268	native
447	plants
293	animals
223	point
4991	view
26943	productions
790	great
7473	britain
513	stand
1027	higher
1028	scale
7756	zealand
4551	skilful
192	naturalist
899	examination
1330	species
7142	countries
12905	foreseen
1363	result
517	agassiz
2089	highly
6827	competent
13842	judges
23740	insist
4347	ancient
293	animals
1957	resemble
1341	extent
46033	embryos
2405	recent
293	animals
5238	belonging
5039	classes
6220	geological
1607	succession
3469	extinct
2162	forms
813	nearly
5987	parallel
67161	embryological
955	development
1138	existing
2162	forms
4991	view
59309	accords
5850	admirably
6055	theory
2984	future
2851	chapter
2033	attempt
1725	show
1825	adult
8723	differs
17631	embryo
3357	owing
6816	variations
52331	supervened
1829	age
6959	inherited
7029	corresponding
1829	age
648	process
586	leaves
17631	embryo
12845	unaltered
4865	continually
2569	adds
954	course
3697	successive
2811	generations
2178	difference
1825	adult
659	thus
17631	embryo
2637	comes
802	sort
6953	picture
6438	preserved
439	nature
116	former
6124	modified
725	condition
1330	species
4991	view
1822	capable
4810	proof
1751	seeing
3282	instance
2646	oldest
664	known
1572	mammals
2813	reptiles
295	fishes
6020	strictly
2937	belong
514	proper
5039	classes
359	old
2162	forms
972	slight
2069	degree
2115	distinct
3724	typical
2376	members
2830	groups
967	day
4394	vain
1851	look
293	animals
733	common
67161	embryological
35	character
7204	vertebrata
3484	beds
3721	rich
44957	fossils
2396	discovered
2749	lowest
41335	cambrian
6016	strata
6689	discovery
2717	chance
1607	succession
2727	types
22441	areas
8144	tertiary
843	periods
390	mr
45127	clift
436	years
4359	showed
6834	fossil
1572	mammals
3470	australian
4074	caves
796	closely
797	allied
67353	marsupials
6973	continent
2627	south
1254	america
706	similar
6892	relationship
2346	manifest
33648	uneducated
1315	eye
2752	gigantic
777	pieces
38232	armour
67859	armadillo
670	found
748	parts
13545	la
24062	plata
200	professor
2213	owen
807	shown
1889	striking
1296	manner
6834	fossil
1572	mammals
3720	buried
1159	numbers
592	related
2627	south
2727	types
6892	relationship
2751	clearly
417	seen
327	wonderful
9394	collection
6834	fossil
778	bones
413	made
21398	mm
67860	lund
67861	clausen
4074	caves
3392	brazil
6464	impressed
1651	facts
800	strongly
455	insisted
3174	law
1607	succession
2727	types
327	wonderful
6892	relationship
6973	continent
873	dead
200	professor
2213	owen
7669	subsequently
2600	extended
61396	generalisation
1572	mammals
359	old
535	world
486	see
3174	law
26	author
67862	restorations
3469	extinct
2752	gigantic
294	birds
7756	zealand
486	see
294	birds
4074	caves
3392	brazil
390	mr
27113	woodward
807	shown
3174	law
1853	holds
1205	good
65	sea
488	shells
1670	wide
2622	distribution
67831	molluscs
4361	displayed
2643	cases
901	added
313	relation
3469	extinct
274	land
488	shells
21077	madeira
3469	extinct
48693	brackish
635	water
488	shells
67863	aralo
34588	caspian
65	sea
841	remarkable
3174	law
1607	succession
2727	types
22441	areas
2725	mean
4091	bold
303	man
5325	comparing
4168	climate
3225	australia
748	parts
2627	south
1254	america
16806	latitude
2033	attempt
1089	account
418	hand
8347	dissimilar
6151	physical
539	conditions
67754	dissimilarity
6224	inhabitants
15296	continents
418	hand
2460	similarity
539	conditions
10563	uniformity
2727	types
6973	continent
8144	tertiary
843	periods
1749	pretended
35088	immutable
3174	law
67353	marsupials
767	chiefly
5258	solely
40	produced
3225	australia
64094	edentata
2727	types
5258	solely
40	produced
2627	south
1254	america
420	know
7317	europe
4347	ancient
884	times
10361	peopled
2552	numerous
67353	marsupials
807	shown
9232	publications
8449	alluded
1254	america
3174	law
2622	distribution
3300	terrestrial
1572	mammals
2647	formerly
2278	north
1254	america
2647	formerly
26733	partook
800	strongly
35	character
4097	southern
1328	half
6973	continent
4097	southern
1328	half
2647	formerly
796	closely
797	allied
3752	northern
1328	half
706	similar
1296	manner
420	know
44804	falconer
67864	cautley
4672	discoveries
3752	northern
7284	india
2647	formerly
796	closely
592	related
1572	mammals
1270	africa
607	time
3285	analogous
1651	facts
1510	given
313	relation
2622	distribution
5604	marine
293	animals
6055	theory
5736	descent
973	modification
790	great
3174	law
4096	enduring
35088	immutable
1607	succession
2727	types
22441	areas
8494	explained
6224	inhabitants
5337	quarter
535	world
7010	obviously
5421	tend
2026	leave
5337	quarter
3343	succeeding
2772	period
607	time
796	closely
797	allied
2069	degree
6124	modified
8275	descendants
6224	inhabitants
6973	continent
2647	formerly
7649	differed
1414	greatly
6973	continent
6124	modified
8275	descendants
994	differ
813	nearly
1296	manner
2069	degree
3213	intervals
607	time
790	great
2426	geographical
952	changes
18218	permitting
67865	intermigration
10250	feebler
12343	yield
8729	dominant
2162	forms
35088	immutable
2622	distribution
21627	organic
1021	beings
8041	asked
14794	ridicule
2309	suppose
67839	megatherium
797	allied
2549	huge
9325	monsters
2647	formerly
1360	lived
2627	south
1254	america
12323	sloth
67859	armadillo
67866	anteater
13400	degenerate
8275	descendants
1677	instant
1301	admitted
2549	huge
293	animals
644	become
716	wholly
3469	extinct
3950	progeny
4074	caves
3392	brazil
3469	extinct
1330	species
796	closely
797	allied
885	size
7165	characters
1330	species
2627	south
1254	america
44957	fossils
5274	actual
18252	progenitors
1330	species
8214	forgotten
6055	theory
1330	species
2434	genus
8275	descendants
1330	species
6233	genera
2770	eight
1330	species
670	found
6220	geological
7639	formation
3343	succeeding
7639	formation
797	allied
4848	representative
6233	genera
2554	number
1330	species
4410	conclude
1538	generally
1330	species
8388	older
6233	genera
6124	modified
8275	descendants
1271	constitute
6233	genera
2273	containing
1330	species
3980	seven
1330	species
359	old
2434	genus
1691	died
3950	progeny
20187	commoner
2331	case
1330	species
8388	older
6233	genera
1203	parents
6233	genera
1330	species
359	old
6233	genera
644	become
10231	utterly
3469	extinct
5873	orders
6233	genera
1330	species
21718	decreasing
1159	numbers
2331	case
64094	edentata
2627	south
1254	america
2712	fewer
6233	genera
1330	species
2026	leave
6124	modified
1103	blood
8275	descendants
22545	summary
2436	preceding
8311	chapters
2225	attempted
1725	show
6220	geological
5402	record
2232	extremely
8027	imperfect
2508	portion
17083	globe
6837	geologically
9307	explored
1237	care
5039	classes
21627	organic
1021	beings
4596	largely
6438	preserved
6834	fossil
1032	state
2554	number
2656	specimens
1330	species
6438	preserved
17117	museums
3126	absolutely
894	compared
2554	number
2811	generations
2076	passed
2168	single
7639	formation
3357	owing
15033	subsidence
485	necessary
4302	accumulation
3438	deposits
3721	rich
6834	fossil
1330	species
2013	kinds
1904	thick
67867	outlast
2984	future
12318	degradation
790	great
3213	intervals
607	time
6618	elapsed
3697	successive
41338	formations
20063	extinction
843	periods
15033	subsidence
2174	variation
843	periods
7256	elevation
2330	latter
5402	record
1323	perfectly
984	kept
2168	single
7639	formation
7304	continuously
680	deposited
4378	duration
7639	formation
894	compared
1902	average
4378	duration
7817	specific
2162	forms
3963	migration
2100	played
839	part
1615	appearance
2162	forms
2433	area
7639	formation
2585	widely
9785	ranging
1330	species
2137	varied
1365	frequently
28170	oftenest
1510	given
949	rise
1330	species
2149	varieties
2477	local
5177	lastly
1330	species
2076	passed
2552	numerous
18118	transitional
3429	stages
855	probable
843	periods
14350	underwent
973	modification
2136	measured
436	years
2675	comparison
843	periods
1452	remained
11812	unchanged
725	condition
6065	causes
976	taken
32580	conjointly
1341	extent
2177	explain
876	why
540	find
4343	links
540	find
33203	interminable
2149	varieties
23335	connecting
3469	extinct
1138	existing
2162	forms
3824	finest
6919	graduated
3175	steps
454	constantly
2442	borne
2443	mind
24522	linking
4463	variety
2162	forms
670	found
23458	ranked
8270	chain
1323	perfectly
4344	restored
2115	distinct
1330	species
1749	pretended
1325	criterion
1330	species
2149	varieties
47933	discriminated
23753	rejects
4991	view
37840	imperfection
6220	geological
5402	record
14118	rightly
2347	reject
6055	theory
8836	ask
4394	vain
1565	where
6720	numberless
18118	transitional
4343	links
2647	formerly
3553	connected
796	closely
797	allied
4848	representative
1330	species
670	found
3697	successive
3429	stages
790	great
7639	formation
39292	disbelieve
2032	immense
3213	intervals
607	time
6618	elapsed
25651	consecutive
41338	formations
15594	overlook
839	part
3963	migration
2100	played
41338	formations
790	great
2293	region
7317	europe
2092	considered
5755	urge
2745	apparent
10965	falsely
2745	apparent
2079	sudden
2943	coming
2830	groups
1330	species
8836	ask
1565	where
525	remains
12240	infinitely
2552	numerous
21525	organisms
5061	existed
41335	cambrian
4412	system
680	deposited
420	know
67	animal
875	exist
579	answer
577	question
1565	where
38559	oceans
1795	extend
2600	extended
2584	enormous
2772	period
1565	where
23296	oscillating
15296	continents
513	stand
4332	stood
7277	commencement
41335	cambrian
4412	system
8131	epoch
535	world
2179	presented
2585	widely
2534	aspect
8388	older
15296	continents
981	formed
41338	formations
8388	older
664	known
875	exist
21871	remnants
41592	metamorphosed
725	condition
3275	lie
3720	buried
3229	ocean
450	passing
1276	difficulties
790	great
4633	leading
1651	facts
46550	palaeontology
993	agree
5850	admirably
6055	theory
5736	descent
973	modification
2174	variation
4	natural
6819	selection
659	thus
5860	understand
1330	species
1070	come
1833	slowly
6363	successively
1330	species
5039	classes
5327	necessarily
889	change
2243	rate
2069	degree
1476	run
3128	undergo
973	modification
1341	extent
20063	extinction
359	old
2162	forms
12831	inevitable
1817	consequence
9506	production
2162	forms
5860	understand
876	why
1330	species
6738	disappeared
5642	reappears
2830	groups
1330	species
2764	increase
1159	numbers
1833	slowly
10074	endure
7705	unequal
843	periods
607	time
648	process
973	modification
5327	necessarily
1818	slow
5261	depends
6319	complex
38825	contingencies
8729	dominant
1330	species
5238	belonging
8729	dominant
2830	groups
5421	tend
2026	leave
6124	modified
8275	descendants
838	form
7271	sub
2830	groups
2830	groups
981	formed
1330	species
6448	vigorous
2830	groups
24340	inferiority
6959	inherited
733	common
18262	progenitor
5421	tend
644	become
3469	extinct
2026	leave
6124	modified
1814	offspring
401	face
64	earth
3458	utter
20063	extinction
2846	group
1330	species
1818	slow
648	process
33005	survival
8275	descendants
10209	lingering
4228	protected
3905	isolated
3638	situations
2846	group
716	wholly
6738	disappeared
14156	reappear
12571	link
1246	generation
1673	broken
5860	understand
8729	dominant
2162	forms
2432	spread
2585	widely
12343	yield
1611	greatest
2554	number
2149	varieties
5421	tend
430	people
535	world
797	allied
6124	modified
8275	descendants
1538	generally
2415	succeed
25843	displacing
2830	groups
49096	inferiors
3075	struggle
844	existence
2289	hence
3213	intervals
607	time
26943	productions
535	world
860	appear
1086	changed
1526	simultaneously
5860	understand
2162	forms
74	life
4347	ancient
2405	recent
473	make
4499	grand
5039	classes
5860	understand
649	continued
2424	tendency
46257	divergence
35	character
876	why
4347	ancient
838	form
1538	generally
8723	differs
876	why
4347	ancient
3469	extinct
2162	forms
5421	tend
3055	fill
36928	gaps
1138	existing
2162	forms
13888	blending
2830	groups
4198	previously
5198	classed
2115	distinct
1561	commonly
2529	bringing
898	closer
4347	ancient
838	form
1310	stands
2069	degree
2196	intermediate
2830	groups
2115	distinct
4347	ancient
838	form
813	nearly
592	related
5341	consequently
1957	resemble
733	common
18262	progenitor
2830	groups
644	become
2585	widely
8542	divergent
3469	extinct
2162	forms
2322	seldom
2196	intermediate
1138	existing
2162	forms
2196	intermediate
67355	circuitous
954	course
3469	extinct
2162	forms
2751	clearly
486	see
876	why
21627	organic
525	remains
796	closely
25651	consecutive
41338	formations
796	closely
797	allied
796	closely
9410	linked
1246	generation
2751	clearly
486	see
876	why
525	remains
2196	intermediate
7639	formation
2196	intermediate
35	character
6224	inhabitants
535	world
3697	successive
2772	period
5	history
765	beaten
5973	predecessors
3093	race
74	life
1027	higher
1028	scale
679	structure
1538	generally
644	become
60481	specialised
1089	account
733	common
5542	belief
1534	held
45671	palaeontologists
12920	organisation
3464	progressed
3469	extinct
4347	ancient
293	animals
1957	resemble
1341	extent
46033	embryos
2405	recent
293	animals
5238	belonging
5039	classes
327	wonderful
714	fact
2065	receives
515	simple
6958	explanation
1123	according
14503	views
1607	succession
2727	types
679	structure
22441	areas
6220	geological
843	periods
4590	ceases
1008	mysterious
11717	intelligible
1151	principle
1200	inheritance
6220	geological
5402	record
8027	imperfect
5363	believe
1709	asserted
5402	record
2412	proved
947	perfect
3217	main
23735	objections
6055	theory
4	natural
6819	selection
1414	greatly
1354	diminished
1088	disappear
418	hand
86	chief
509	laws
46550	palaeontology
3733	plainly
5737	proclaim
1193	seems
1330	species
40	produced
1264	ordinary
1246	generation
359	old
2162	forms
23695	supplanted
7729	improved
2162	forms
74	life
825	products
2174	variation
33005	survival
35457	fittest
2851	chapter
265	xii
2426	geographical
2622	distribution
2622	distribution
7523	accounted
2147	differences
6151	physical
539	conditions
795	importance
13370	barriers
21815	affinity
26943	productions
6973	continent
7007	centres
6824	creation
553	means
10244	dispersal
952	changes
4168	climate
1456	level
274	land
2255	occasional
553	means
10244	dispersal
8260	glacial
2772	period
1606	alternate
8260	glacial
843	periods
2278	north
2627	south
2622	distribution
21627	organic
1021	beings
401	face
17083	globe
790	great
714	fact
12805	strikes
2460	similarity
67754	dissimilarity
6224	inhabitants
6	various
1282	regions
716	wholly
7523	accounted
67810	climatal
6151	physical
539	conditions
1927	late
26	author
3989	studied
427	subject
1070	come
6630	conclusion
2331	case
1254	america
3054	suffice
2182	prove
462	truth
6990	exclude
8336	arctic
3752	northern
3512	temperate
748	parts
17166	authors
993	agree
998	fundamental
1015	divisions
2426	geographical
2622	distribution
359	old
15061	worlds
5463	travel
1434	vast
6973	continent
5634	central
748	parts
124	united
125	states
1176	extreme
4097	southern
223	point
2188	meet
8525	diversified
539	conditions
22726	humid
3362	districts
33749	arid
9150	deserts
5468	lofty
1791	mountains
5608	grassy
1790	plains
1268	forests
4647	marshes
8024	lakes
790	great
4042	rivers
985	temperature
2709	hardly
4168	climate
725	condition
359	old
535	world
43495	paralleled
796	closely
1330	species
1538	generally
1641	require
3896	doubt
22441	areas
5572	pointed
359	old
535	world
24328	hotter
535	world
2648	inhabited
43972	fauna
4147	surrounding
3362	districts
1875	rare
540	find
2846	group
21525	organisms
5200	confined
2433	area
539	conditions
1567	peculiar
972	slight
2069	degree
915	general
7754	parallelism
539	conditions
359	old
15061	worlds
2585	widely
26943	productions
4097	southern
7272	hemisphere
6049	compare
16279	tracts
274	land
3225	australia
2627	south
1270	africa
1800	western
2627	south
1254	america
12107	latitudes
5627	degrees
540	find
748	parts
2232	extremely
706	similar
539	conditions
223	point
67383	faunas
67247	floras
10231	utterly
8347	dissimilar
6049	compare
26943	productions
2627	south
1254	america
2627	south
16806	latitude
5627	degrees
2278	north
5627	degrees
5341	consequently
942	separated
1057	space
1827	ten
5627	degrees
16806	latitude
4079	exposed
2173	considerably
539	conditions
33207	incomparably
796	closely
592	related
26943	productions
3225	australia
1270	africa
813	nearly
4168	climate
3285	analogous
1651	facts
1510	given
968	respect
6224	inhabitants
65	sea
790	great
714	fact
12805	strikes
915	general
18872	review
13370	barriers
958	kind
6073	obstacles
2000	free
3963	migration
592	related
1296	manner
2147	differences
26943	productions
6	various
1282	regions
486	see
790	great
2178	difference
813	nearly
3300	terrestrial
26943	productions
359	old
15061	worlds
3752	northern
748	parts
1565	where
274	land
4144	joins
1565	where
1495	slightly
4168	climate
2000	free
3963	migration
3752	northern
3512	temperate
2162	forms
6020	strictly
8336	arctic
26943	productions
486	see
714	fact
790	great
2178	difference
6224	inhabitants
3225	australia
1270	africa
2627	south
1254	america
16806	latitude
7142	countries
3905	isolated
6973	continent
486	see
714	fact
583	opposite
584	sides
5468	lofty
7657	continuous
4464	mountain
4473	ranges
790	great
9150	deserts
4042	rivers
540	find
26943	productions
4464	mountain
5878	chains
9150	deserts
197	etc
8290	impassable
4340	likely
13383	endured
38559	oceans
780	separating
15296	continents
2147	differences
1041	inferior
2069	degree
906	characteristic
2115	distinct
15296	continents
5070	turning
65	sea
540	find
3174	law
5604	marine
6224	inhabitants
1361	eastern
1800	western
1281	shores
2627	south
1254	america
2115	distinct
2232	extremely
488	shells
64676	crustacea
67615	echinodermata
733	common
1355	dr
65732	gunther
4461	recently
807	shown
2358	thirty
2736	cent
295	fishes
583	opposite
584	sides
43386	isthmus
17666	panama
714	fact
441	led
415	naturalists
5363	believe
43386	isthmus
2647	formerly
12357	westward
1281	shores
1254	america
1670	wide
1057	space
3229	ocean
2629	extends
5048	island
13503	halting
1216	place
13517	emigrants
8283	barrier
958	kind
2076	passed
2188	meet
1361	eastern
1333	islands
5646	pacific
6594	totally
2115	distinct
43972	fauna
5604	marine
67383	faunas
443	range
4442	northward
5008	southward
5987	parallel
4263	lines
7029	corresponding
4168	climate
942	separated
8290	impassable
13370	barriers
274	land
65	sea
716	wholly
2115	distinct
418	hand
4183	proceeding
1012	further
12357	westward
1361	eastern
1333	islands
1252	tropical
748	parts
5646	pacific
2609	encounter
8290	impassable
13370	barriers
602	innumerable
1333	islands
13503	halting
1184	places
7657	continuous
33622	coasts
4271	travelling
7272	hemisphere
1070	come
1281	shores
1270	africa
1434	vast
1057	space
2188	meet
7118	defined
2115	distinct
5604	marine
67383	faunas
5604	marine
293	animals
733	common
7312	named
22098	approximate
67383	faunas
1361	eastern
1800	western
1254	america
1361	eastern
5646	pacific
1333	islands
295	fishes
443	range
5646	pacific
3228	indian
3229	ocean
488	shells
733	common
1361	eastern
1333	islands
5646	pacific
1361	eastern
1281	shores
1270	africa
2153	exactly
583	opposite
67868	meridians
16807	longitude
79	third
790	great
714	fact
1993	partly
16	included
5213	foregoing
6985	statement
21815	affinity
26943	productions
6973	continent
65	sea
1330	species
2115	distinct
2438	points
22713	stations
3174	law
2187	widest
13563	generality
6973	continent
8417	offers
602	innumerable
2746	instances
192	naturalist
4271	travelling
3282	instance
2278	north
2627	south
8477	fails
6185	struck
1296	manner
3697	successive
2830	groups
1021	beings
23814	specifically
2115	distinct
813	nearly
592	related
2737	replace
2680	hears
796	closely
797	allied
2115	distinct
2013	kinds
294	birds
378	notes
813	nearly
706	similar
2681	sees
311	nests
7062	similarly
4580	constructed
2154	alike
753	eggs
3288	coloured
813	nearly
1296	manner
1790	plains
22657	straits
5625	magellan
2648	inhabited
1330	species
9077	rhea
3488	ostrich
4442	northward
1790	plains
13545	la
24062	plata
1330	species
2434	genus
3488	ostrich
67869	emu
4044	inhabiting
1270	africa
3225	australia
16806	latitude
1790	plains
13545	la
24062	plata
486	see
66084	agouti
67870	bizcacha
293	animals
813	nearly
1240	habits
12689	hares
2828	rabbits
5238	belonging
534	order
4027	rodents
3733	plainly
1566	display
2713	type
679	structure
1374	ascend
5468	lofty
8189	peaks
5626	cordillera
540	find
33918	alpine
1330	species
67870	bizcacha
1851	look
2635	waters
540	find
8209	beaver
4041	muskrat
66082	coypu
66090	capybara
4027	rodents
2627	south
2713	type
602	innumerable
2746	instances
1510	given
1851	look
1333	islands
2787	shore
994	differ
6220	geological
679	structure
6224	inhabitants
484	essentially
1567	peculiar
1330	species
1851	look
5050	ages
807	shown
2851	chapter
540	find
2727	types
4414	prevailing
6973	continent
9175	seas
486	see
1651	facts
1860	deep
21627	organic
13729	bond
1057	space
607	time
22441	areas
274	land
635	water
3421	independently
6151	physical
539	conditions
192	naturalist
3648	dull
441	led
6749	inquire
13729	bond
13729	bond
911	simply
1200	inheritance
3893	cause
7655	positively
420	know
2865	produces
21525	organisms
486	see
2331	case
2149	varieties
813	nearly
2154	alike
67754	dissimilarity
6224	inhabitants
1282	regions
7011	attributed
973	modification
2174	variation
4	natural
6819	selection
23757	subordinate
2069	degree
893	definite
5076	influence
6151	physical
539	conditions
5627	degrees
67754	dissimilarity
5107	depend
3963	migration
8729	dominant
2162	forms
74	life
2293	region
8681	effectually
5183	prevented
843	periods
4174	remote
439	nature
2554	number
116	former
32850	immigrants
469	action
6224	inhabitants
4633	leading
13231	preservation
8343	modifications
313	relation
22183	organism
22183	organism
3075	struggle
74	life
6129	remarked
501	relations
659	thus
795	importance
13370	barriers
2637	comes
5809	play
5237	checking
3963	migration
607	time
1818	slow
648	process
973	modification
4	natural
6819	selection
2585	widely
9785	ranging
1330	species
14183	abounding
2142	individuals
26747	triumphed
7290	competitors
2585	widely
2600	extended
5069	homes
2717	chance
1625	seizing
1184	places
2432	spread
7142	countries
5069	homes
4079	exposed
539	conditions
1365	frequently
3128	undergo
1012	further
973	modification
11299	improvement
659	thus
644	become
1012	further
13904	victorious
887	produce
2830	groups
6124	modified
8275	descendants
1151	principle
1200	inheritance
973	modification
5860	understand
7202	sections
6233	genera
6233	genera
2718	families
5200	confined
22441	areas
1561	commonly
32560	notoriously
2331	case
1238	evidence
6129	remarked
2851	chapter
844	existence
3174	law
485	necessary
955	development
2122	variability
1330	species
1558	independent
6152	property
976	taken
3092	advantage
4	natural
6819	selection
9432	profits
2143	individual
6319	complex
3075	struggle
74	life
2719	amount
973	modification
1330	species
3977	uniform
702	quantity
2554	number
1330	species
27258	competed
359	old
3595	migrate
739	body
4367	afterwards
3905	isolated
1093	country
4608	liable
973	modification
3963	migration
36209	isolation
5087	effect
7546	principles
1070	come
5809	play
2529	bringing
21525	organisms
501	relations
7536	lesser
2069	degree
4147	surrounding
6151	physical
539	conditions
417	seen
2851	chapter
2162	forms
8434	retained
813	nearly
35	character
19382	enormously
4174	remote
6220	geological
2772	period
1330	species
8732	migrated
1434	vast
1608	spaces
644	become
1414	greatly
6124	modified
1123	according
14503	views
799	obvious
1330	species
2434	genus
4044	inhabiting
1595	distant
2895	quarters
535	world
6818	originally
6372	proceeded
3597	source
3199	descended
18262	progenitor
2331	case
1330	species
3668	undergone
6220	geological
843	periods
973	modification
2125	difficulty
1321	believing
8732	migrated
2293	region
1434	vast
2426	geographical
67816	climatical
952	changes
52331	supervened
4347	ancient
884	times
2719	amount
3963	migration
2643	cases
1765	reason
5363	believe
1330	species
2434	genus
40	produced
1062	comparatively
2405	recent
884	times
790	great
2125	difficulty
747	head
799	obvious
2142	individuals
1330	species
4044	inhabiting
1595	distant
3905	isolated
1282	regions
6372	proceeded
1857	spot
1565	where
1203	parents
40	produced
8494	explained
16114	incredible
2142	individuals
66795	identically
40	produced
1203	parents
23814	specifically
2115	distinct
2168	single
7007	centres
4480	supposed
6824	creation
659	thus
2657	brought
577	question
4596	largely
11363	discussed
415	naturalists
7117	namely
1330	species
2826	created
2438	points
64	earth
935	surface
2825	undoubtedly
2643	cases
1176	extreme
2125	difficulty
6479	understanding
1330	species
3333	possibly
8732	migrated
223	point
1595	distant
3905	isolated
2438	points
1565	where
670	found
582	simplicity
4991	view
1330	species
40	produced
2168	single
2293	region
67871	captivates
2443	mind
23753	rejects
23753	rejects
18385	vera
39025	causa
1264	ordinary
1246	generation
2440	subsequent
3963	migration
1139	calls
7200	agency
1145	miracle
20962	universally
1301	admitted
2643	cases
2433	area
2648	inhabited
1330	species
7657	continuous
621	plant
67	animal
2623	inhabits
2438	points
1595	distant
6882	interval
439	nature
1057	space
941	easily
2076	passed
3963	migration
714	fact
1510	given
841	remarkable
6003	exceptional
6725	incapacity
4441	migrating
1670	wide
65	sea
431	clear
2331	case
3300	terrestrial
1572	mammals
21627	organic
1021	beings
8380	accordingly
540	find
5696	inexplicable
2746	instances
1572	mammals
4044	inhabiting
1595	distant
2438	points
535	world
8248	geologist
7869	feels
2125	difficulty
790	great
7473	britain
4095	possessing
7260	quadrupeds
1994	rest
7317	europe
3896	doubt
124	united
1330	species
40	produced
929	separate
2438	points
876	why
540	find
2168	single
66181	mammal
733	common
7317	europe
3225	australia
2627	south
1254	america
539	conditions
74	life
813	nearly
617	multitude
1305	european
293	animals
447	plants
644	become
58855	naturalised
1254	america
3225	australia
42913	aboriginal
447	plants
66795	identically
1595	distant
2438	points
3752	northern
4097	southern
5012	hemispheres
579	answer
5363	believe
1572	mammals
1172	able
3595	migrate
447	plants
2137	varied
553	means
10244	dispersal
8732	migrated
1670	wide
1673	broken
46244	interspaces
790	great
1889	striking
5076	influence
13370	barriers
2013	kinds
11717	intelligible
4991	view
790	great
3596	majority
1330	species
40	produced
1503	side
1172	able
3595	migrate
583	opposite
1503	side
2718	families
66055	subfamilies
6233	genera
731	greater
2554	number
7202	sections
6233	genera
5200	confined
2168	single
2293	region
2202	observed
415	naturalists
4	natural
6233	genera
6233	genera
1330	species
796	closely
592	related
1538	generally
5200	confined
1093	country
1670	wide
443	range
443	range
7657	continuous
305	strange
34875	anomaly
583	opposite
426	rule
8381	prevail
1824	go
1556	step
1879	lower
951	series
7117	namely
2142	individuals
1330	species
5200	confined
2293	region
2289	hence
1193	seems
415	naturalists
4991	view
1330	species
40	produced
2433	area
7669	subsequently
8732	migrated
2433	area
508	powers
3963	migration
3171	subsistence
539	conditions
7578	permitted
855	probable
2825	undoubtedly
2643	cases
1798	occur
2177	explain
1330	species
2076	passed
223	point
2426	geographical
67816	climatical
952	changes
1438	certainly
7767	occurred
2405	recent
6220	geological
884	times
655	rendered
41756	discontinuous
2647	formerly
7657	continuous
443	range
1330	species
2839	reduced
5191	consider
3216	exceptions
14297	continuity
443	range
2552	numerous
1396	grave
439	nature
13	give
5542	belief
655	rendered
855	probable
915	general
8312	considerations
1330	species
40	produced
2433	area
8732	migrated
12427	thence
4821	hopelessly
9941	tedious
11962	discuss
6003	exceptional
2643	cases
1330	species
1595	distant
942	separated
2438	points
1087	moment
2671	pretend
6958	explanation
4399	offered
2746	instances
23476	preliminary
2086	remarks
11962	discuss
1889	striking
5039	classes
1651	facts
7117	namely
844	existence
1330	species
9045	summits
1595	distant
4464	mountain
4473	ranges
1595	distant
2438	points
8336	arctic
67002	antarctic
1282	regions
5040	secondly
2851	chapter
1670	wide
2622	distribution
568	fresh
635	water
26943	productions
5042	thirdly
2645	occurrence
3300	terrestrial
1330	species
1333	islands
4424	nearest
1343	mainland
942	separated
2791	hundreds
1421	miles
65	sea
844	existence
1330	species
1595	distant
3905	isolated
2438	points
64	earth
935	surface
2746	instances
8494	explained
4991	view
1330	species
8732	migrated
2168	single
8354	birthplace
9899	ignorance
968	respect
116	former
67816	climatical
2426	geographical
952	changes
6	various
2255	occasional
553	means
13687	transport
5542	belief
2168	single
8354	birthplace
3174	law
1193	seems
33207	incomparably
11487	safest
14381	discussing
427	subject
3358	enabled
607	time
5191	consider
223	point
3209	equally
7117	namely
1330	species
2434	genus
6055	theory
3199	descended
733	common
18262	progenitor
8732	migrated
14933	undergoing
973	modification
3963	migration
2433	area
1330	species
4044	inhabiting
2293	region
2293	region
796	closely
797	allied
807	shown
3963	migration
2293	region
7767	occurred
116	former
2772	period
915	general
4991	view
6500	strengthened
6958	explanation
799	obvious
1151	principle
5736	descent
973	modification
20659	volcanic
5048	island
3282	instance
67786	upheaved
981	formed
1405	distance
2791	hundreds
1421	miles
6973	continent
2107	receive
954	course
607	time
20854	colonists
8275	descendants
6124	modified
592	related
1200	inheritance
6224	inhabitants
6973	continent
2643	cases
439	nature
733	common
2995	hereafter
486	see
5696	inexplicable
6055	theory
1558	independent
6824	creation
4991	view
313	relation
1330	species
2293	region
994	differ
2738	advanced
390	mr
323	wallace
2203	concludes
1330	species
1070	come
844	existence
7001	coincident
1057	space
607	time
1539	pre
1138	existing
796	closely
797	allied
1330	species
664	known
8691	attributes
9875	coincidence
5736	descent
973	modification
577	question
2168	single
41493	multiple
7007	centres
6824	creation
8723	differs
797	allied
577	question
7117	namely
2142	individuals
1330	species
3199	descended
2168	single
2762	pair
2168	single
67246	hermaphrodite
17166	authors
2309	suppose
2142	individuals
1526	simultaneously
2826	created
21627	organic
1021	beings
67253	intercross
875	exist
1330	species
3199	descended
1607	succession
6124	modified
2149	varieties
23695	supplanted
5750	blended
2142	individuals
2149	varieties
1330	species
3697	successive
2798	stage
973	modification
2142	individuals
838	form
3199	descended
2168	single
2955	parent
790	great
3596	majority
2643	cases
7117	namely
21525	organisms
1562	habitually
8408	unite
1813	birth
1744	occasionally
67253	intercross
2142	individuals
1330	species
4044	inhabiting
2433	area
984	kept
813	nearly
3977	uniform
67060	intercrossing
2142	individuals
1824	go
1526	simultaneously
2615	changing
2719	amount
973	modification
2798	stage
384	due
5736	descent
2168	single
2955	parent
8788	illustrate
2725	mean
3093	race
2741	horses
994	differ
2741	horses
4602	breed
8693	owe
2178	difference
13911	superiority
5736	descent
2168	single
2762	pair
649	continued
1237	care
421	selecting
13002	training
2142	individuals
1246	generation
14381	discussing
5039	classes
1651	facts
285	selected
2590	presenting
1611	greatest
2719	amount
2125	difficulty
6055	theory
2168	single
7007	centres
6824	creation
548	say
523	words
553	means
10244	dispersal
553	means
10244	dispersal
322	sir
44085	lyell
17166	authors
17357	ably
5947	treated
427	subject
13	give
37817	briefest
19719	abstract
1651	facts
889	change
4168	climate
1439	powerful
5076	influence
3963	migration
2293	region
8290	impassable
21525	organisms
439	nature
4168	climate
4605	road
3963	migration
4168	climate
4131	presently
11962	discuss
1596	branch
427	subject
3239	detail
952	changes
1456	level
274	land
2089	highly
13679	influential
1005	narrow
43386	isthmus
2191	separates
5604	marine
67383	faunas
67812	submerge
1506	let
2647	formerly
7860	submerged
67383	faunas
20833	blend
2647	formerly
5750	blended
1565	where
65	sea
2629	extends
274	land
116	former
2772	period
3553	connected
1333	islands
3333	possibly
15296	continents
659	thus
667	allowed
3300	terrestrial
26943	productions
587	pass
8248	geologist
4901	disputes
790	great
57554	mutations
1456	level
7767	occurred
2772	period
1138	existing
21525	organisms
215	edward
5440	forbes
455	insisted
1333	islands
117	atlantic
4461	recently
3553	connected
7317	europe
1270	africa
7317	europe
1254	america
17166	authors
659	thus
60154	hypothetically
41789	bridged
3229	ocean
124	united
5048	island
1343	mainland
815	indeed
17001	arguments
5440	forbes
12254	trusted
1301	admitted
4280	scarcely
2168	single
5048	island
3419	exists
4461	recently
124	united
6973	continent
4991	view
7326	cuts
67872	gordian
4517	knot
10244	dispersal
1330	species
1595	distant
2438	points
5068	removes
2125	difficulty
6701	judgment
25637	authorized
7197	admitting
2584	enormous
2426	geographical
952	changes
2772	period
1138	existing
1330	species
1193	seems
1100	abundant
1238	evidence
790	great
4939	oscillations
1456	level
274	land
65	sea
1434	vast
952	changes
1464	position
6069	extension
15296	continents
124	united
2405	recent
2772	period
13686	intervening
49883	oceanic
1333	islands
2526	freely
5314	admit
116	former
844	existence
1333	islands
3720	buried
65	sea
6266	served
13503	halting
1184	places
447	plants
293	animals
3963	migration
44283	coral
5922	producing
38559	oceans
9964	sunken
1333	islands
437	marked
3730	rings
44283	coral
67873	atolls
2284	standing
2536	fully
1301	admitted
967	day
1330	species
6372	proceeded
2168	single
8354	birthplace
954	course
607	time
420	know
893	definite
553	means
2622	distribution
3358	enabled
6898	speculate
3163	security
116	former
6069	extension
274	land
5363	believe
2412	proved
2405	recent
2772	period
15296	continents
513	stand
929	separate
7304	continuously
7304	continuously
124	united
1138	existing
49883	oceanic
1333	islands
1651	facts
2622	distribution
790	great
2178	difference
5604	marine
67383	faunas
583	opposite
584	sides
6973	continent
313	relation
8144	tertiary
6224	inhabitants
56	lands
9175	seas
6224	inhabitants
2069	degree
21815	affinity
1572	mammals
4044	inhabiting
1333	islands
4424	nearest
6973	continent
839	part
5865	determined
2995	hereafter
486	see
2503	depth
13686	intervening
3229	ocean
1651	facts
12744	opposed
11465	admission
1391	prodigious
2426	geographical
26099	revolutions
2405	recent
2772	period
485	necessary
4991	view
2738	advanced
5440	forbes
1301	admitted
13987	followers
439	nature
730	relative
814	proportions
6224	inhabitants
49883	oceanic
1333	islands
12744	opposed
5542	belief
116	former
14297	continuity
15296	continents
20962	universally
20659	volcanic
846	composition
1333	islands
9755	favour
11465	admission
13130	wrecks
9964	sunken
15296	continents
6818	originally
5061	existed
18896	continental
4464	mountain
4473	ranges
1333	islands
981	formed
4464	mountain
9045	summits
8046	granite
44300	metamorphic
43939	schists
359	old
67156	fossiliferous
487	rocks
2785	instead
2044	consisting
2116	mere
3889	piles
20659	volcanic
428	matter
548	say
523	words
661	called
4983	accidental
553	means
1913	properly
661	called
2255	occasional
553	means
2622	distribution
5927	confine
447	plants
8618	botanical
918	works
621	plant
1912	stated
4233	adapted
1670	wide
19703	dissemination
731	greater
11576	facilities
13687	transport
65	sea
867	said
716	wholly
1191	unknown
2081	tried
390	mr
26250	berkeley
3277	aid
5700	experiments
664	known
620	seeds
2336	resist
3892	injurious
469	action
65	sea
635	water
1674	surprise
670	found
3798	eighty
3980	seven
2013	kinds
2471	sixty
67874	germinated
12407	immersion
100	twenty
2770	eight
259	days
7443	survived
12407	immersion
259	days
12956	deserves
1733	notice
5873	orders
1692	injured
1025	others
1926	nine
67315	leguminosae
2081	tried
4318	exception
15329	resisted
896	salt
635	water
15334	badly
3980	seven
1330	species
797	allied
5873	orders
67875	hydrophyllaceae
67876	polemoniaceae
2031	killed
2064	month
12407	immersion
1233	convenience
7353	sake
767	chiefly
2081	tried
620	seeds
25956	capsules
589	fruit
4739	sank
259	days
8365	floated
1670	wide
1608	spaces
65	sea
1692	injured
896	salt
635	water
4367	afterwards
2081	tried
712	larger
2614	fruits
25956	capsules
197	etc
8365	floated
607	time
664	known
2178	difference
38887	buoyancy
880	green
1289	seasoned
8210	timber
7767	occurred
16200	floods
1712	wash
65	sea
4053	dried
447	plants
1543	branches
732	seed
25956	capsules
589	fruit
615	attached
2289	hence
441	led
715	dry
2987	stems
1543	branches
2735	ninety
447	plants
940	ripe
589	fruit
1216	place
65	sea
635	water
3596	majority
4739	sank
2593	quickly
880	green
8365	floated
607	time
4053	dried
8365	floated
2543	longer
3282	instance
940	ripe
2509	hazel
8158	nuts
4739	sank
4053	dried
8365	floated
2735	ninety
259	days
4367	afterwards
7688	planted
67874	germinated
40043	asparagus
621	plant
940	ripe
5438	berries
8365	floated
100	twenty
259	days
4053	dried
8365	floated
3798	eighty
259	days
620	seeds
4367	afterwards
67874	germinated
940	ripe
620	seeds
67877	helosciadium
4739	sank
259	days
4053	dried
8365	floated
2735	ninety
259	days
4367	afterwards
67874	germinated
464	altogether
2735	ninety
4053	dried
447	plants
1610	eighteen
8365	floated
100	twenty
2770	eight
259	days
1610	eighteen
8365	floated
2543	longer
2772	period
2013	kinds
620	seeds
67874	germinated
12407	immersion
100	twenty
2770	eight
259	days
2115	distinct
1330	species
940	ripe
589	fruit
1330	species
5213	foregoing
4530	experiment
8365	floated
4053	dried
100	twenty
2770	eight
259	days
4410	conclude
12512	inferred
7672	scanty
1651	facts
620	seeds
2013	kinds
447	plants
1093	country
8365	floated
65	sea
5556	currents
100	twenty
2770	eight
259	days
3695	retain
1627	power
17611	germination
24735	johnston
6151	physical
25312	atlas
1902	average
2243	rate
117	atlantic
5556	currents
2358	thirty
1421	miles
59502	diem
5556	currents
868	running
2243	rate
2471	sixty
1421	miles
59502	diem
1902	average
620	seeds
447	plants
5238	belonging
1093	country
8365	floated
1421	miles
65	sea
1093	country
35246	stranded
8021	blown
1797	inland
25150	gale
14207	favourable
1857	spot
21259	germinate
7669	subsequently
5700	experiments
60206	martens
2081	tried
706	similar
938	ones
1296	manner
750	placed
620	seeds
4005	box
5274	actual
65	sea
1965	alternately
6449	wet
4079	exposed
821	air
11459	floating
447	plants
2081	tried
2735	ninety
2770	eight
620	seeds
1941	mostly
7575	chose
2614	fruits
620	seeds
447	plants
1653	live
65	sea
9629	favoured
1902	average
1758	length
50746	flotation
1715	resistance
3892	injurious
469	action
896	salt
635	water
418	hand
4198	previously
715	dry
447	plants
1543	branches
589	fruit
417	seen
4377	caused
8365	floated
2543	longer
1363	result
620	seeds
2013	kinds
8365	floated
409	forty
259	days
1822	capable
17611	germination
3896	doubt
447	plants
4079	exposed
5052	waves
1047	float
607	time
4228	protected
4889	violent
448	movement
5700	experiments
834	therefore
36207	safer
1563	assume
620	seeds
447	plants
18329	flora
4053	dried
8365	floated
1057	space
65	sea
1421	miles
2141	width
21259	germinate
714	fact
712	larger
2614	fruits
11459	floating
2543	longer
429	interesting
447	plants
620	seeds
589	fruit
67352	alph
1771	de
67254	candolle
807	shown
1538	generally
21563	restricted
4473	ranges
2709	hardly
18230	transported
553	means
620	seeds
1744	occasionally
18230	transported
1296	manner
4019	drift
8210	timber
2694	thrown
1333	islands
2187	widest
38559	oceans
1290	natives
44283	coral
1333	islands
5646	pacific
19184	procure
1156	stones
9870	tools
5258	solely
948	roots
9030	drifted
1377	trees
1156	stones
7259	valuable
6002	royal
9440	tax
540	find
8640	irregularly
3803	shaped
1156	stones
7813	embedded
948	roots
1377	trees
13371	parcels
64	earth
1365	frequently
3670	enclosed
6028	interstices
1323	perfectly
12881	particle
666	washed
7213	longest
13687	transport
2508	portion
64	earth
659	thus
1628	completely
3670	enclosed
948	roots
4201	oak
1834	fifty
436	years
359	old
67878	dicotyledonous
447	plants
67874	germinated
2227	accuracy
1537	observation
1725	show
36862	carcasses
294	birds
11459	floating
65	sea
1157	escape
975	devoured
2013	kinds
620	seeds
2882	crops
11459	floating
294	birds
3695	retain
1143	vitality
6059	peas
54313	vetches
3282	instance
2031	killed
259	days
12407	immersion
65	sea
635	water
976	taken
5112	crop
2869	pigeon
8365	floated
4942	artificial
65	sea
635	water
2358	thirty
259	days
1674	surprise
813	nearly
67874	germinated
294	birds
2709	hardly
2605	fail
2089	highly
5845	effective
20432	agents
17571	transportation
620	seeds
13	give
1651	facts
2301	showing
1365	frequently
294	birds
2013	kinds
8021	blown
48773	gales
1434	vast
1619	distances
3229	ocean
1218	safely
1563	assume
2364	circumstances
2243	rate
1644	flight
2358	thirty
1421	miles
2707	hour
17166	authors
1510	given
1027	higher
3119	estimate
417	seen
3282	instance
3812	nutritious
620	seeds
450	passing
8017	intestines
321	bird
620	seeds
589	fruit
587	pass
61607	uninjured
12781	digestive
1589	organs
4366	turkey
954	course
2704	months
1665	picked
3602	garden
1609	twelve
2013	kinds
620	seeds
4303	excrement
294	birds
2098	seemed
947	perfect
2081	tried
67874	germinated
714	fact
2882	crops
294	birds
11032	secrete
22241	gastric
6890	juice
420	know
10970	trial
16918	injure
17611	germination
620	seeds
321	bird
670	found
975	devoured
1003	supply
966	food
7655	positively
1709	asserted
619	grains
587	pass
67879	gizzard
1609	twelve
1610	eighteen
668	hours
321	bird
6882	interval
941	easily
8021	blown
1405	distance
408	hundred
1421	miles
4101	hawks
664	known
1851	look
3868	tired
294	birds
290	contents
5706	torn
2882	crops
659	thus
1443	readily
919	get
1331	scattered
4101	hawks
4230	owls
12499	bolt
332	prey
6882	interval
1609	twelve
100	twenty
668	hours
34529	disgorge
3542	pellets
420	know
5700	experiments
413	made
38653	zoological
1577	gardens
6991	include
620	seeds
1822	capable
17611	germination
620	seeds
51224	oat
603	wheat
35502	millet
16889	canary
40447	hemp
40093	clover
5385	beet
67874	germinated
1609	twelve
100	twenty
668	hours
5255	stomachs
294	birds
332	prey
620	seeds
5385	beet
4474	grew
659	thus
8434	retained
259	days
5544	fourteen
668	hours
568	fresh
635	water
355	fish
540	find
348	eat
620	seeds
274	land
635	water
447	plants
355	fish
1365	frequently
975	devoured
294	birds
659	thus
620	seeds
18230	transported
1216	place
1216	place
7901	forced
2013	kinds
620	seeds
5255	stomachs
873	dead
355	fish
1887	gave
718	bodies
5599	fishing
5032	eagles
67880	storks
5208	pelicans
294	birds
6882	interval
668	hours
6468	rejected
620	seeds
3542	pellets
2076	passed
4303	excrement
620	seeds
8434	retained
1627	power
17611	germination
620	seeds
2031	killed
648	process
3185	locusts
8021	blown
790	great
1619	distances
274	land
1657	caught
1421	miles
2642	coast
1270	africa
1404	heard
1025	others
1657	caught
731	greater
1619	distances
227	rev
42781	lowe
2638	informed
322	sir
44085	lyell
3826	november
1094	swarms
3185	locusts
2641	visited
5048	island
21077	madeira
3359	countless
1159	numbers
1904	thick
7764	flakes
3937	snow
23440	heaviest
37218	snowstorm
2600	extended
1517	upward
417	seen
16812	telescope
259	days
1833	slowly
67881	careered
2032	immense
41389	ellipse
1421	miles
3804	diameter
1864	night
4679	alighted
882	taller
1377	trees
1628	completely
14866	coated
6738	disappeared
65	sea
1099	suddenly
886	appeared
2641	visited
5048	island
748	parts
23045	natal
7717	believed
7765	farmers
4972	insufficient
1238	evidence
3892	injurious
620	seeds
6389	introduced
2416	grass
274	land
5442	dung
790	great
7452	flights
3185	locusts
1279	visit
1093	country
1817	consequence
5542	belief
390	mr
67882	weale
4834	sent
8111	letter
9997	packet
4053	dried
3542	pellets
13225	extracted
676	microscope
620	seeds
1516	raised
3980	seven
2416	grass
447	plants
5238	belonging
1330	species
6233	genera
2289	hence
3837	swarm
3185	locusts
2641	visited
21077	madeira
1443	readily
553	means
19024	introducing
2013	kinds
447	plants
5048	island
3315	lying
1343	mainland
2883	beaks
1346	feet
294	birds
1538	generally
4261	clean
64	earth
41486	adheres
2331	case
4308	removed
2471	sixty
619	grains
2331	case
100	twenty
619	grains
715	dry
47166	argillaceous
64	earth
1482	foot
21185	partridge
64	earth
6279	pebble
732	seed
67883	vetch
2331	case
1481	leg
58403	woodcock
4834	sent
2899	friend
7839	cake
715	dry
64	earth
615	attached
27591	shank
7641	weighing
1926	nine
619	grains
697	contained
732	seed
1154	toad
2027	rush
67884	juncus
67885	bufonius
67874	germinated
23266	flowered
390	mr
67886	swaysland
183	brighton
409	forty
436	years
4656	paid
1663	attention
3966	migratory
294	birds
6968	informs
1164	shot
56345	wagtails
67887	motacillae
67888	wheatears
67889	whinchats
67890	saxicolae
4392	arrival
1281	shores
4679	alighted
884	times
4180	noticed
16905	cakes
64	earth
615	attached
1346	feet
1651	facts
1510	given
2301	showing
1538	generally
605	soil
5165	charged
620	seeds
3282	instance
200	professor
24958	newton
4834	sent
1481	leg
3760	red
1486	legged
21185	partridge
67891	caccabis
6843	rufa
1919	wounded
962	fly
2402	ball
64	earth
6494	adhering
7641	weighing
1328	half
7295	ounces
64	earth
984	kept
436	years
1673	broken
14817	watered
750	placed
6138	bell
3152	glass
3798	eighty
447	plants
5670	sprung
7682	consisted
1609	twelve
45356	monocotyledons
5384	including
733	common
51224	oat
958	kind
2416	grass
2663	seventy
67063	dicotyledons
7682	consisted
7806	judging
21	young
586	leaves
2115	distinct
1330	species
1651	facts
3896	doubt
294	birds
5205	annually
8021	blown
48773	gales
790	great
1608	spaces
3229	ocean
5205	annually
3595	migrate
3282	instance
2771	millions
5253	quails
3226	mediterranean
1744	occasionally
13687	transport
620	seeds
7813	embedded
8550	dirt
6494	adhering
1346	feet
2883	beaks
8710	recur
427	subject
67892	icebergs
664	known
4149	loaded
64	earth
1156	stones
3238	carried
8323	brushwood
778	bones
340	nest
274	land
321	bird
2709	hardly
1560	doubted
1744	occasionally
1263	suggested
44085	lyell
18230	transported
620	seeds
839	part
8336	arctic
67002	antarctic
1282	regions
8260	glacial
2772	period
839	part
3512	temperate
1282	regions
34005	azores
2554	number
447	plants
733	common
7317	europe
2675	comparison
1330	species
1333	islands
117	atlantic
513	stand
2491	nearer
1343	mainland
6129	remarked
390	mr
21080	watson
1026	somewhat
3752	northern
35	character
2675	comparison
16806	latitude
4199	suspected
1333	islands
1993	partly
6806	stocked
3897	ice
2442	borne
620	seeds
8260	glacial
8131	epoch
9426	request
322	sir
44085	lyell
9220	wrote
67893	hartung
6749	inquire
2202	observed
6616	erratic
7772	boulders
1333	islands
4885	answered
670	found
4224	fragments
8046	granite
487	rocks
1798	occur
1362	archipelago
2289	hence
1218	safely
8474	infer
67892	icebergs
2647	formerly
11110	landed
5233	rocky
6402	burdens
1281	shores
3229	ocean
1333	islands
2657	brought
4487	thither
620	seeds
3752	northern
447	plants
553	means
13687	transport
553	means
3896	doubt
656	remain
2396	discovered
469	action
2658	year
2658	year
23449	tens
2714	thousands
436	years
1260	think
1842	marvellous
714	fact
447	plants
659	thus
644	become
2585	widely
18230	transported
553	means
13687	transport
661	called
4983	accidental
6020	strictly
1244	correct
5556	currents
65	sea
4983	accidental
2073	direction
8317	prevalent
48773	gales
7640	wind
2202	observed
4280	scarcely
553	means
13687	transport
1711	carry
620	seeds
790	great
1619	distances
620	seeds
3695	retain
1143	vitality
4079	exposed
790	great
1758	length
607	time
469	action
65	sea
635	water
3238	carried
2882	crops
8017	intestines
294	birds
553	means
3054	suffice
2255	occasional
13687	transport
16279	tracts
65	sea
408	hundred
1421	miles
2796	breadth
5048	island
5048	island
6973	continent
10034	neighbouring
5048	island
1595	distant
6973	continent
67247	floras
1595	distant
15296	continents
553	means
644	become
10618	mingled
656	remain
2115	distinct
5556	currents
954	course
2739	bring
620	seeds
2278	north
1254	america
7473	britain
2739	bring
620	seeds
182	west
5717	indies
1800	western
1281	shores
1565	where
2031	killed
12407	immersion
896	salt
635	water
10074	endure
4168	climate
2658	year
274	land
294	birds
8021	blown
117	atlantic
3229	ocean
2278	north
1254	america
1800	western
1281	shores
25001	ireland
174	england
620	seeds
18230	transported
1875	rare
9300	wanderers
553	means
7117	namely
8550	dirt
6494	adhering
1346	feet
2883	beaks
1875	rare
10009	accident
2331	case
2717	chance
732	seed
2105	falling
14207	favourable
605	soil
2943	coming
2760	maturity
790	great
18323	error
15754	argue
6806	stocked
5048	island
790	great
7473	britain
664	known
1242	difficult
2182	prove
5397	received
7736	centuries
2255	occasional
553	means
13687	transport
32850	immigrants
7317	europe
6973	continent
18925	poorly
6806	stocked
5048	island
2284	standing
4174	remote
1343	mainland
2107	receive
20854	colonists
706	similar
553	means
408	hundred
2013	kinds
620	seeds
293	animals
18230	transported
5048	island
6806	stocked
7473	britain
979	fitted
644	become
58855	naturalised
17341	valid
2247	argument
1531	effected
2255	occasional
553	means
13687	transport
6735	lapse
6220	geological
607	time
5048	island
67786	upheaved
644	become
2536	fully
6806	stocked
6224	inhabitants
5206	bare
274	land
826	destructive
1699	insects
294	birds
813	nearly
732	seed
4674	chanced
1826	arrive
979	fitted
4168	climate
21259	germinate
2732	survive
10244	dispersal
8260	glacial
2772	period
21886	identity
447	plants
293	animals
4464	mountain
9045	summits
942	separated
2791	hundreds
1421	miles
22908	lowlands
1565	where
33918	alpine
1330	species
3333	possibly
875	exist
1889	striking
2643	cases
664	known
1330	species
1595	distant
2438	points
2745	apparent
9485	possibility
8732	migrated
223	point
815	indeed
841	remarkable
714	fact
486	see
447	plants
1330	species
13900	snowy
1282	regions
32872	alps
32597	pyrenees
1176	extreme
3752	northern
748	parts
7317	europe
841	remarkable
447	plants
411	white
1791	mountains
124	united
125	states
1254	america
4570	labrador
813	nearly
550	hear
42272	asa
2497	gray
11653	loftiest
1791	mountains
7317	europe
1651	facts
441	led
30094	gmelin
4410	conclude
1330	species
3421	independently
2826	created
2115	distinct
2438	points
1452	remained
5542	belief
517	agassiz
1025	others
661	called
8314	vivid
1663	attention
8260	glacial
2772	period
486	see
7228	affords
515	simple
6958	explanation
1651	facts
1238	evidence
12842	conceivable
958	kind
21627	organic
8500	inorganic
2405	recent
6220	geological
2772	period
5634	central
7317	europe
2278	north
1254	america
10194	suffered
8336	arctic
4168	climate
6561	ruins
3901	house
723	burnt
5821	fire
490	tell
9569	tale
3733	plainly
1791	mountains
20243	scotland
7386	wales
5508	scored
9115	flanks
8095	polished
7223	surfaces
6949	perched
7772	boulders
1135	icy
3186	streams
1388	valleys
2359	lately
4987	filled
1414	greatly
4168	climate
7317	europe
1086	changed
3752	northern
17377	italy
2752	gigantic
67894	moraines
359	old
44313	glaciers
7723	clothed
15921	vine
36730	maize
839	part
124	united
125	states
6616	erratic
7772	boulders
5508	scored
487	rocks
3733	plainly
12219	reveal
116	former
634	cold
2772	period
116	former
5076	influence
8260	glacial
4168	climate
2622	distribution
6224	inhabitants
7317	europe
8494	explained
215	edward
5440	forbes
22831	substantially
5322	follows
5123	follow
952	changes
1443	readily
8260	glacial
2772	period
1833	slowly
1070	come
587	pass
2647	formerly
7767	occurred
634	cold
2576	came
4097	southern
3513	zone
4676	became
979	fitted
6224	inhabitants
2278	north
953	take
1184	places
116	former
6224	inhabitants
3512	temperate
1282	regions
2330	latter
607	time
5463	travel
1012	further
1012	further
5008	southward
6478	stopped
13370	barriers
2331	case
4974	perish
1791	mountains
644	become
740	covered
3937	snow
3897	ice
116	former
33918	alpine
6224	inhabitants
1381	descend
1790	plains
607	time
634	cold
4620	reached
9499	maximum
8336	arctic
43972	fauna
18329	flora
1936	covering
5634	central
748	parts
7317	europe
2627	south
32872	alps
32597	pyrenees
4614	stretching
20460	spain
3512	temperate
1282	regions
124	united
125	states
740	covered
8336	arctic
447	plants
293	animals
813	nearly
7317	europe
67895	circumpolar
6224	inhabitants
2309	suppose
5525	everywhere
6264	travelled
5008	southward
1983	remarkably
3977	uniform
535	world
1004	warmth
2399	returned
8336	arctic
2162	forms
3264	retreat
4442	northward
796	closely
1189	followed
3264	retreat
26943	productions
3512	temperate
1282	regions
3937	snow
8107	melted
3369	bases
1791	mountains
8336	arctic
2162	forms
1466	seize
622	cleared
52389	thawed
626	ground
5745	ascending
1004	warmth
5105	increased
3937	snow
1012	further
6738	disappeared
1027	higher
1027	higher
5934	brethren
4429	pursuing
3752	northern
5471	journey
2289	hence
1004	warmth
2536	fully
2399	returned
1330	species
2359	lately
1360	lived
1305	european
2278	north
22908	lowlands
670	found
8336	arctic
1282	regions
359	old
15061	worlds
3905	isolated
4464	mountain
9045	summits
1595	distant
659	thus
5860	understand
21886	identity
447	plants
2438	points
23274	immensely
4174	remote
1791	mountains
124	united
125	states
7317	europe
659	thus
5860	understand
714	fact
33918	alpine
447	plants
4464	mountain
443	range
1731	especially
592	related
8336	arctic
2162	forms
384	due
2278	north
813	nearly
384	due
2278	north
3963	migration
634	cold
2576	came
3963	migration
3987	returning
1004	warmth
1538	generally
384	due
2627	south
2278	north
33918	alpine
447	plants
699	example
20243	scotland
6129	remarked
390	mr
21080	watson
32597	pyrenees
6129	remarked
67896	ramond
1731	especially
797	allied
447	plants
3752	northern
23466	scandinavia
124	united
125	states
4570	labrador
1791	mountains
50981	siberia
8336	arctic
1282	regions
1093	country
14503	views
15727	grounded
1323	perfectly
7656	ascertained
2645	occurrence
116	former
8260	glacial
2772	period
1125	seem
2177	explain
4433	satisfactory
1296	manner
2622	distribution
33918	alpine
8336	arctic
26943	productions
7317	europe
1254	america
1282	regions
540	find
1330	species
1595	distant
4464	mountain
9045	summits
4410	conclude
1238	evidence
22367	colder
4168	climate
2647	formerly
7578	permitted
3963	migration
13686	intervening
22908	lowlands
644	become
3454	warm
844	existence
8336	arctic
2162	forms
1755	moved
5008	southward
4367	afterwards
2505	backward
2278	north
3284	unison
2615	changing
4168	climate
4079	exposed
5202	migrations
790	great
7466	diversity
985	temperature
8732	migrated
739	body
4187	mutual
501	relations
3743	disturbed
2289	hence
7448	accordance
7546	principles
34923	inculcated
24	volume
2162	forms
4608	liable
973	modification
33918	alpine
26943	productions
3905	isolated
1087	moment
3987	returning
1004	warmth
3369	bases
7745	ultimately
9045	summits
1791	mountains
2331	case
1026	somewhat
4340	likely
8336	arctic
1330	species
4464	mountain
4473	ranges
1595	distant
7443	survived
2219	probability
644	become
10618	mingled
4347	ancient
33918	alpine
1330	species
5061	existed
1791	mountains
7277	commencement
8260	glacial
8131	epoch
8081	coldest
2772	period
14256	temporarily
7096	driven
1790	plains
7669	subsequently
4079	exposed
1026	somewhat
67816	climatical
20093	influences
4187	mutual
501	relations
659	thus
2069	degree
3743	disturbed
5341	consequently
4608	liable
973	modification
6124	modified
6049	compare
33918	alpine
447	plants
293	animals
790	great
1305	european
4464	mountain
4473	ranges
1330	species
656	remain
66795	identically
875	exist
2149	varieties
7308	doubtful
2162	forms
7271	sub
1330	species
2115	distinct
796	closely
797	allied
1330	species
2005	representing
4473	ranges
5213	foregoing
288	illustration
2283	assumed
7277	commencement
5182	imaginary
8260	glacial
2772	period
8336	arctic
26943	productions
3977	uniform
8337	polar
1282	regions
967	day
485	necessary
1563	assume
7271	sub
8336	arctic
3512	temperate
2162	forms
535	world
1330	species
875	exist
1879	lower
4464	mountain
1370	slopes
1790	plains
2278	north
1254	america
7317	europe
8041	asked
1089	account
2069	degree
10563	uniformity
7271	sub
8336	arctic
3512	temperate
2162	forms
535	world
7277	commencement
8260	glacial
2772	period
967	day
7271	sub
8336	arctic
3752	northern
3512	temperate
26943	productions
359	old
15061	worlds
942	separated
117	atlantic
3229	ocean
3752	northern
839	part
5646	pacific
8260	glacial
2772	period
6224	inhabitants
359	old
15061	worlds
1360	lived
1012	further
47852	southwards
1628	completely
942	separated
442	wider
1608	spaces
3229	ocean
8041	asked
1330	species
4198	previously
10422	entered
15296	continents
6958	explanation
5363	believe
468	lies
439	nature
4168	climate
7277	commencement
8260	glacial
2772	period
20977	newer
8130	pliocene
2772	period
3596	majority
6224	inhabitants
535	world
23814	specifically
1205	good
1765	reason
5363	believe
4168	climate
3482	warmer
967	day
2289	hence
2309	suppose
21525	organisms
1653	live
16806	latitude
5627	degrees
1360	lived
8130	pliocene
2772	period
1012	further
2278	north
8337	polar
5805	circle
16806	latitude
5627	degrees
8336	arctic
26943	productions
1360	lived
1673	broken
274	land
2491	nearer
4949	pole
1851	look
3300	terrestrial
17083	globe
486	see
8337	polar
5805	circle
7657	continuous
274	land
1800	western
7317	europe
50981	siberia
1361	eastern
1254	america
14297	continuity
67895	circumpolar
274	land
6600	consequent
2788	freedom
14207	favourable
4168	climate
67865	intermigration
1089	account
4480	supposed
10563	uniformity
7271	sub
8336	arctic
3512	temperate
26943	productions
359	old
15061	worlds
2772	period
6354	anterior
8260	glacial
8131	epoch
1321	believing
8492	reasons
8449	alluded
15296	continents
1452	remained
813	nearly
730	relative
1464	position
6664	subjected
790	great
4939	oscillations
1456	level
800	strongly
2547	inclined
1795	extend
4991	view
8474	infer
1297	earlier
3482	warmer
2772	period
8388	older
8130	pliocene
2772	period
2554	number
447	plants
293	animals
2648	inhabited
7657	continuous
67895	circumpolar
274	land
447	plants
293	animals
359	old
15061	worlds
4489	began
1833	slowly
3595	migrate
47852	southwards
4168	climate
4676	became
3454	warm
7277	commencement
8260	glacial
2772	period
486	see
5363	believe
8275	descendants
1941	mostly
6124	modified
725	condition
5634	central
748	parts
7317	europe
124	united
125	states
4991	view
5860	understand
6892	relationship
21886	identity
26943	productions
2278	north
1254	america
7317	europe
6892	relationship
2089	highly
841	remarkable
1405	distance
22441	areas
12135	separation
117	atlantic
3229	ocean
1012	further
5860	understand
1634	singular
714	fact
6129	remarked
1389	observers
26943	productions
7317	europe
1254	america
8144	tertiary
3429	stages
796	closely
592	related
607	time
3482	warmer
843	periods
3752	northern
748	parts
359	old
15061	worlds
7304	continuously
124	united
274	land
1873	serving
1974	bridge
655	rendered
8290	impassable
634	cold
67865	intermigration
6224	inhabitants
1833	slowly
21718	decreasing
1004	warmth
8130	pliocene
2772	period
1330	species
733	common
2648	inhabited
359	old
15061	worlds
8732	migrated
2627	south
8337	polar
5805	circle
1628	completely
1224	cut
12135	separation
3512	temperate
26943	productions
6076	concerned
976	taken
1216	place
5050	ages
447	plants
293	animals
8732	migrated
5008	southward
644	become
10618	mingled
790	great
2293	region
2268	native
26943	productions
21137	compete
790	great
2293	region
359	old
535	world
5341	consequently
14207	favourable
973	modification
973	modification
33918	alpine
26943	productions
3905	isolated
2405	recent
2772	period
4464	mountain
4473	ranges
8336	arctic
56	lands
7317	europe
2278	north
1254	america
2289	hence
1070	come
6049	compare
26943	productions
3512	temperate
1282	regions
359	old
15061	worlds
540	find
997	identical
1330	species
42272	asa
2497	gray
2359	lately
807	shown
447	plants
997	identical
2647	formerly
4480	supposed
540	find
790	great
3195	class
2162	forms
415	naturalists
1570	rank
2426	geographical
2117	races
1025	others
2115	distinct
1330	species
8217	host
796	closely
797	allied
4848	representative
2162	forms
23458	ranked
415	naturalists
23814	specifically
2115	distinct
274	land
2635	waters
65	sea
1818	slow
4097	southern
3963	migration
5604	marine
43972	fauna
8130	pliocene
1026	somewhat
1297	earlier
2772	period
813	nearly
3977	uniform
7657	continuous
1281	shores
8337	polar
5805	circle
1089	account
6055	theory
973	modification
796	closely
797	allied
2162	forms
5604	marine
22441	areas
1628	completely
33444	sundered
659	thus
1260	think
5860	understand
2287	presence
796	closely
797	allied
1138	existing
3469	extinct
8144	tertiary
2162	forms
1361	eastern
1800	western
1281	shores
3512	temperate
2278	north
1254	america
1889	striking
714	fact
796	closely
797	allied
3728	crustaceans
2395	described
17189	dana
4417	admirable
558	work
355	fish
5604	marine
293	animals
4044	inhabiting
3226	mediterranean
9175	seas
22690	japan
22441	areas
1628	completely
942	separated
2796	breadth
6973	continent
1670	wide
1608	spaces
3229	ocean
2643	cases
6892	relationship
1330	species
2647	formerly
4044	inhabiting
9175	seas
1361	eastern
1800	western
1281	shores
2278	north
1254	america
3226	mediterranean
22690	japan
3512	temperate
56	lands
2278	north
1254	america
7317	europe
5696	inexplicable
6055	theory
6824	creation
1837	maintain
1330	species
2826	created
2154	alike
11003	correspondence
813	nearly
706	similar
6151	physical
539	conditions
22441	areas
6049	compare
3282	instance
748	parts
2627	south
1254	america
748	parts
2627	south
1270	africa
3225	australia
486	see
7142	countries
796	closely
706	similar
6151	physical
539	conditions
6224	inhabitants
10231	utterly
8347	dissimilar
1606	alternate
8260	glacial
843	periods
2278	north
2627	south
578	return
3353	immediate
427	subject
8773	convinced
5440	forbes
4991	view
4596	largely
2600	extended
7317	europe
2188	meet
39984	plainest
1238	evidence
8260	glacial
2772	period
1800	western
1281	shores
7473	britain
67897	ural
443	range
5008	southward
32597	pyrenees
8474	infer
3694	frozen
1572	mammals
439	nature
4464	mountain
3633	vegetation
50981	siberia
7062	similarly
5522	affected
19276	lebanon
1123	according
1355	dr
49806	hooker
19058	perpetual
3937	snow
2647	formerly
740	covered
5634	central
16951	axis
2818	fed
44313	glaciers
6200	rolled
1346	feet
1388	valleys
1448	observer
4461	recently
670	found
790	great
67894	moraines
1788	low
1456	level
25312	atlas
443	range
2278	north
1270	africa
47358	himalaya
2438	points
1421	miles
1812	apart
44313	glaciers
6206	marks
116	former
1788	low
5736	descent
44536	sikkim
1355	dr
49806	hooker
338	saw
36730	maize
1832	growing
4347	ancient
2752	gigantic
67894	moraines
5008	southward
1332	asiatic
6973	continent
583	opposite
1503	side
5628	equator
420	know
1447	excellent
5571	researches
1355	dr
7758	haast
1355	dr
51538	hector
7756	zealand
2032	immense
44313	glaciers
2647	formerly
3199	descended
1788	low
1456	level
447	plants
670	found
1355	dr
49806	hooker
2585	widely
942	separated
1791	mountains
5048	island
490	tell
246	story
116	former
634	cold
2772	period
1651	facts
2619	communicated
227	rev
8228	clarke
851	appears
6836	traces
116	former
8260	glacial
469	action
1791	mountains
2627	south
1361	eastern
7134	corner
3225	australia
3035	looking
1254	america
3752	northern
1328	half
3897	ice
2442	borne
4224	fragments
3146	rock
2202	observed
1361	eastern
1503	side
6973	continent
2627	south
16806	latitude
5627	degrees
1281	shores
5646	pacific
1565	where
4168	climate
2627	south
16806	latitude
5627	degrees
6616	erratic
7772	boulders
4180	noticed
5233	rocky
1791	mountains
5626	cordillera
2627	south
1254	america
813	nearly
5628	equator
44313	glaciers
2600	extended
1456	level
5634	central
5621	chile
675	examined
1434	vast
42297	mound
57638	detritus
790	great
7772	boulders
5793	crossing
67898	portillo
5250	valley
2709	hardly
3896	doubt
981	formed
2549	huge
67899	moraine
390	mr
5440	forbes
6968	informs
670	found
6	various
748	parts
5626	cordillera
16806	latitude
5627	degrees
2627	south
1347	height
1346	feet
3708	deeply
19260	furrowed
487	rocks
1398	resembling
2456	familiar
9665	norway
790	great
2795	masses
57638	detritus
5384	including
27570	grooved
7666	pebbles
1057	space
5626	cordillera
44313	glaciers
875	exist
3267	considerable
9139	heights
1012	further
2627	south
584	sides
6973	continent
16806	latitude
5627	degrees
34630	southernmost
7212	extremity
33564	clearest
1238	evidence
116	former
8260	glacial
469	action
2552	numerous
2032	immense
7772	boulders
18230	transported
2955	parent
3597	source
1651	facts
7117	namely
8260	glacial
469	action
2600	extended
3752	northern
4097	southern
5012	hemispheres
2772	period
6220	geological
2096	sense
2405	recent
5012	hemispheres
8187	lasted
790	great
1758	length
607	time
12512	inferred
2719	amount
558	work
1531	effected
5177	lastly
44313	glaciers
4461	recently
3199	descended
1788	low
1456	level
3915	line
5626	cordillera
607	time
886	appeared
1700	avoid
6630	conclusion
985	temperature
535	world
1526	simultaneously
4288	lowered
8260	glacial
2772	period
390	mr
67782	croll
951	series
4417	admirable
20629	memoirs
2225	attempted
1725	show
8260	glacial
725	condition
4168	climate
1363	result
6	various
6151	physical
6065	causes
2657	brought
651	operation
2764	increase
11495	eccentricity
64	earth
15166	orbit
6065	causes
5421	tend
612	end
1439	powerful
851	appears
8502	indirect
5076	influence
11495	eccentricity
15166	orbit
49883	oceanic
5556	currents
1123	according
390	mr
67782	croll
634	cold
843	periods
4947	regularly
8710	recur
1827	ten
1828	fifteen
496	thousand
436	years
3213	intervals
2232	extremely
3612	severe
3357	owing
38825	contingencies
322	sir
44085	lyell
807	shown
730	relative
1464	position
274	land
635	water
390	mr
67782	croll
7826	believes
790	great
8260	glacial
2772	period
7767	occurred
436	years
13383	endured
972	slight
11577	alterations
4168	climate
436	years
968	respect
4347	ancient
8260	glacial
843	periods
43329	geologists
8773	convinced
1304	direct
1238	evidence
7767	occurred
66136	miocene
9192	eocene
41338	formations
4906	mention
4347	ancient
41338	formations
1363	result
7319	arrived
390	mr
67782	croll
3752	northern
7272	hemisphere
1300	passes
634	cold
2772	period
985	temperature
4097	southern
7272	hemisphere
2765	actually
1516	raised
4070	winters
655	rendered
12790	milder
767	chiefly
952	changes
2073	direction
3229	ocean
5556	currents
34682	conversely
3752	northern
7272	hemisphere
4097	southern
1300	passes
8260	glacial
2772	period
6630	conclusion
1650	throws
3104	light
2426	geographical
2622	distribution
800	strongly
2547	inclined
1217	trust
13	give
1651	facts
4094	demand
6958	explanation
2627	south
1254	america
1355	dr
49806	hooker
807	shown
796	closely
797	allied
1330	species
409	forty
1834	fifty
17619	flowering
447	plants
7085	tierra
7086	del
7087	fuego
763	forming
20964	inconsiderable
839	part
7672	scanty
18329	flora
733	common
2278	north
1254	america
7317	europe
19382	enormously
4174	remote
22441	areas
583	opposite
5012	hemispheres
5468	lofty
1791	mountains
1269	equatorial
1254	america
8217	host
1567	peculiar
1330	species
5238	belonging
1305	european
6233	genera
1798	occur
1412	organ
1791	mountains
3392	brazil
3512	temperate
1305	european
67002	antarctic
22834	andean
6233	genera
670	found
20881	gardner
875	exist
1788	low
13686	intervening
3478	hot
7142	countries
67900	silla
67901	caraccas
9711	illustrious
46528	humboldt
670	found
1330	species
5238	belonging
6233	genera
906	characteristic
5626	cordillera
1270	africa
2162	forms
906	characteristic
7317	europe
3946	representatives
18329	flora
2276	cape
1205	good
1206	hope
1798	occur
1791	mountains
9152	abyssinia
2276	cape
1205	good
1206	hope
1305	european
1330	species
7717	believed
6389	introduced
303	man
1791	mountains
4848	representative
1305	european
2162	forms
670	found
2396	discovered
65679	intertropical
748	parts
1270	africa
1355	dr
49806	hooker
2359	lately
807	shown
447	plants
1040	upper
748	parts
5468	lofty
5048	island
31954	fernando
3770	po
10034	neighbouring
2625	cameroon
1791	mountains
6984	gulf
2490	guinea
796	closely
592	related
1791	mountains
9152	abyssinia
3512	temperate
7317	europe
851	appears
550	hear
1355	dr
49806	hooker
3512	temperate
447	plants
2396	discovered
227	rev
42781	lowe
1791	mountains
2276	cape
23034	verde
1333	islands
6069	extension
3512	temperate
2162	forms
5628	equator
6973	continent
1270	africa
1791	mountains
2276	cape
23034	verde
1362	archipelago
2312	astonishing
1651	facts
5396	recorded
2622	distribution
447	plants
47358	himalaya
3905	isolated
4464	mountain
4473	ranges
23153	peninsula
7284	india
9139	heights
18231	ceylon
20659	volcanic
8543	cones
1334	java
447	plants
1798	occur
66795	identically
2005	representing
607	time
2005	representing
447	plants
7317	europe
670	found
13686	intervening
3478	hot
22908	lowlands
245	list
6233	genera
447	plants
760	collected
37490	loftier
8189	peaks
1334	java
22445	raises
6953	picture
9394	collection
413	made
37096	hillock
7317	europe
1889	striking
714	fact
1567	peculiar
3470	australian
2162	forms
595	represented
447	plants
1832	growing
9045	summits
1791	mountains
1336	borneo
3470	australian
2162	forms
550	hear
1355	dr
49806	hooker
1795	extend
9139	heights
23153	peninsula
1337	malacca
23307	thinly
1331	scattered
418	hand
7284	india
418	hand
2278	north
22690	japan
4097	southern
1791	mountains
3225	australia
1355	dr
27889	muller
2396	discovered
1305	european
1330	species
1330	species
6389	introduced
303	man
1798	occur
22908	lowlands
245	list
1510	given
2638	informed
1355	dr
49806	hooker
1305	european
6233	genera
670	found
3225	australia
2196	intermediate
21294	torrid
1282	regions
4417	admirable
599	introduction
18329	flora
7756	zealand
1355	dr
49806	hooker
3285	analogous
1889	striking
1651	facts
1510	given
6812	regard
447	plants
5048	island
2289	hence
486	see
447	plants
1832	growing
5468	lofty
1791	mountains
3899	tropics
748	parts
535	world
3512	temperate
1790	plains
2278	north
2627	south
1330	species
2149	varieties
1330	species
2202	observed
447	plants
6020	strictly
8336	arctic
2162	forms
390	mr
21080	watson
6129	remarked
52229	receding
8337	polar
1269	equatorial
12107	latitudes
33918	alpine
4464	mountain
18329	flora
644	become
8336	arctic
997	identical
796	closely
797	allied
2162	forms
1330	species
4044	inhabiting
2585	widely
33444	sundered
22441	areas
2937	belong
6233	genera
670	found
2196	intermediate
1252	tropical
22908	lowlands
5194	brief
2086	remarks
477	apply
447	plants
3285	analogous
1651	facts
1510	given
6812	regard
3300	terrestrial
293	animals
5604	marine
26943	productions
706	similar
2643	cases
1798	occur
699	example
1578	quote
6985	statement
2041	highest
2323	authority
5244	prof
17189	dana
1438	certainly
327	wonderful
714	fact
7756	zealand
898	closer
7383	resemblance
64676	crustacea
790	great
7473	britain
67902	antipode
839	part
535	world
322	sir
20352	richardson
1536	speaks
33574	reappearance
1281	shores
7756	zealand
35132	tasmania
197	etc
3752	northern
2162	forms
355	fish
1355	dr
49806	hooker
6968	informs
100	twenty
1330	species
46264	algae
733	common
7756	zealand
7317	europe
670	found
2196	intermediate
1252	tropical
9175	seas
5213	foregoing
1651	facts
7117	namely
2287	presence
3512	temperate
2162	forms
244	highlands
1269	equatorial
1270	africa
23153	peninsula
7284	india
18231	ceylon
9308	malay
1362	archipelago
437	marked
1296	manner
1670	wide
8962	expanse
1252	tropical
2627	south
1254	america
851	appears
116	former
2772	period
3896	doubt
3612	severe
839	part
8260	glacial
2772	period
22908	lowlands
790	great
15296	continents
5525	everywhere
51436	tenanted
5628	equator
3267	considerable
2554	number
3512	temperate
2162	forms
2772	period
1269	equatorial
4168	climate
1456	level
65	sea
17314	experienced
1347	height
496	thousand
1346	feet
16806	latitude
3456	cooler
8081	coldest
2772	period
22908	lowlands
5628	equator
7723	clothed
10618	mingled
1252	tropical
3512	temperate
3633	vegetation
2395	described
49806	hooker
1832	growing
23115	luxuriantly
1347	height
496	thousand
1346	feet
1879	lower
1370	slopes
47358	himalaya
731	greater
19547	preponderance
3512	temperate
2162	forms
2649	mountainous
5048	island
31954	fernando
3770	po
6984	gulf
2490	guinea
390	mr
25337	mann
670	found
3512	temperate
1305	european
2162	forms
526	beginning
860	appear
1347	height
496	thousand
1346	feet
1791	mountains
17666	panama
1347	height
496	thousand
1346	feet
1355	dr
67903	seemann
670	found
3633	vegetation
17655	mexico
2162	forms
21294	torrid
3513	zone
51694	harmoniously
5750	blended
3512	temperate
1506	let
486	see
390	mr
67782	croll
6630	conclusion
3752	northern
7272	hemisphere
10194	suffered
1176	extreme
634	cold
790	great
8260	glacial
2772	period
4097	southern
7272	hemisphere
2765	actually
3482	warmer
1650	throws
431	clear
3104	light
2022	apparently
5696	inexplicable
2622	distribution
6	various
21525	organisms
3512	temperate
748	parts
5012	hemispheres
1791	mountains
3899	tropics
8260	glacial
2772	period
2136	measured
436	years
3198	remember
1434	vast
1608	spaces
58855	naturalised
447	plants
293	animals
2432	spread
7736	centuries
2772	period
12684	ample
2719	amount
3963	migration
634	cold
4676	became
3610	intense
420	know
8336	arctic
2162	forms
5252	invaded
3512	temperate
1282	regions
1651	facts
1510	given
2709	hardly
3896	doubt
6448	vigorous
8729	dominant
2187	widest
4894	spreading
3512	temperate
2162	forms
5252	invaded
1269	equatorial
22908	lowlands
6224	inhabitants
3478	hot
22908	lowlands
607	time
8732	migrated
1252	tropical
44607	subtropical
1282	regions
2627	south
4097	southern
7272	hemisphere
2772	period
3482	warmer
17428	decline
8260	glacial
2772	period
5012	hemispheres
945	gradually
10253	recovered
116	former
985	temperature
3752	northern
3512	temperate
2162	forms
22908	lowlands
5628	equator
7096	driven
116	former
5069	homes
2797	destroyed
2930	replaced
1269	equatorial
2162	forms
3987	returning
2627	south
3752	northern
3512	temperate
2162	forms
1438	certainly
2401	ascended
4881	adjoining
274	land
1565	where
5758	sufficiently
5468	lofty
7443	survived
8336	arctic
2162	forms
1791	mountains
7317	europe
7443	survived
4168	climate
1323	perfectly
979	fitted
889	change
985	temperature
1818	slow
447	plants
2825	undoubtedly
1302	possess
10107	capacity
67144	acclimatisation
807	shown
31680	transmitting
1814	offspring
32094	constitutional
508	powers
21014	resisting
3441	heat
634	cold
950	regular
954	course
6631	events
4097	southern
7272	hemisphere
1697	turn
6664	subjected
3612	severe
8260	glacial
2772	period
3752	northern
7272	hemisphere
655	rendered
3482	warmer
4097	southern
3512	temperate
2162	forms
33767	invade
1269	equatorial
22908	lowlands
3752	northern
2162	forms
1791	mountains
1381	descend
9141	mingle
4097	southern
2162	forms
2330	latter
1004	warmth
2399	returned
578	return
116	former
5069	homes
3428	leaving
1330	species
1791	mountains
2565	carrying
5008	southward
3752	northern
3512	temperate
2162	forms
3199	descended
4464	mountain
32494	fastnesses
659	thus
1330	species
66795	identically
3752	northern
4097	southern
3512	temperate
4569	zones
1791	mountains
2196	intermediate
1252	tropical
1282	regions
1330	species
607	time
1791	mountains
583	opposite
5012	hemispheres
21137	compete
2162	forms
4079	exposed
1026	somewhat
6151	physical
539	conditions
2289	hence
1540	eminently
4608	liable
973	modification
1538	generally
875	exist
2149	varieties
4848	representative
1330	species
2331	case
1969	bear
2443	mind
2645	occurrence
5012	hemispheres
116	former
8260	glacial
843	periods
1089	account
7448	accordance
7546	principles
2115	distinct
1330	species
4044	inhabiting
2585	widely
942	separated
22441	areas
5238	belonging
6233	genera
670	found
2196	intermediate
21294	torrid
4569	zones
841	remarkable
714	fact
800	strongly
455	insisted
49806	hooker
6812	regard
1254	america
67352	alph
1771	de
67254	candolle
6812	regard
3225	australia
997	identical
1495	slightly
6124	modified
1330	species
8732	migrated
2278	north
2627	south
5889	reversed
2073	direction
486	see
4097	southern
2162	forms
1791	mountains
1336	borneo
9152	abyssinia
4777	suspect
67345	preponderant
3963	migration
2278	north
2627	south
384	due
731	greater
1341	extent
274	land
2278	north
3752	northern
2162	forms
5061	existed
5069	homes
731	greater
1159	numbers
5341	consequently
2738	advanced
4	natural
6819	selection
17513	competition
1027	higher
2798	stage
6148	perfection
32731	dominating
1627	power
4097	southern
2162	forms
659	thus
773	sets
4676	became
57557	commingled
1269	equatorial
1282	regions
42031	alternations
8260	glacial
843	periods
3752	northern
2162	forms
1439	powerful
1172	able
1067	hold
1184	places
1791	mountains
4367	afterwards
3595	migrate
5008	southward
4097	southern
2162	forms
4097	southern
6812	regard
3752	northern
2162	forms
1296	manner
967	day
486	see
1305	european
26943	productions
1916	cover
626	ground
13545	la
24062	plata
7756	zealand
7536	lesser
2069	degree
3225	australia
765	beaten
1290	natives
2232	extremely
4097	southern
2162	forms
644	become
58855	naturalised
839	part
3752	northern
7272	hemisphere
6140	hides
4142	wool
502	objects
4340	likely
1711	carry
620	seeds
4596	largely
17305	imported
7317	europe
7736	centuries
13545	la
24062	plata
409	forty
1834	fifty
436	years
3225	australia
67904	neilgherrie
1791	mountains
7284	india
2160	offer
3204	partial
4318	exception
550	hear
1355	dr
49806	hooker
3470	australian
2162	forms
3170	rapidly
23072	sowing
3504	becoming
58855	naturalised
790	great
8260	glacial
2772	period
3896	doubt
65679	intertropical
1791	mountains
6806	stocked
42590	endemic
33918	alpine
2162	forms
5525	everywhere
7784	yielded
8729	dominant
2162	forms
7708	generated
712	larger
22441	areas
2253	efficient
35005	workshops
2278	north
1333	islands
2268	native
26943	productions
813	nearly
15002	equalled
33148	outnumbered
644	become
58855	naturalised
2798	stage
20063	extinction
1791	mountains
1333	islands
274	land
6224	inhabitants
7784	yielded
40	produced
712	larger
22441	areas
2278	north
6224	inhabitants
1333	islands
5525	everywhere
7784	yielded
850	yielding
18896	continental
2162	forms
58855	naturalised
303	man
7200	agency
7546	principles
477	apply
2622	distribution
3300	terrestrial
293	animals
5604	marine
26943	productions
3752	northern
4097	southern
3512	temperate
4569	zones
65679	intertropical
1791	mountains
1347	height
8260	glacial
2772	period
3229	ocean
5556	currents
2585	widely
6224	inhabitants
3512	temperate
9175	seas
4620	reached
5628	equator
1172	able
3595	migrate
47852	southwards
1509	keeping
3456	cooler
5556	currents
1025	others
656	remain
2732	survive
22367	colder
7814	depths
4097	southern
7272	hemisphere
1697	turn
6664	subjected
8260	glacial
4168	climate
7578	permitted
1012	further
1528	progress
813	nearly
1296	manner
1123	according
5440	forbes
3905	isolated
1608	spaces
2648	inhabited
8336	arctic
26943	productions
875	exist
967	day
3958	deeper
748	parts
3752	northern
3512	temperate
9175	seas
1276	difficulties
6812	regard
2622	distribution
43973	affinities
997	identical
797	allied
1330	species
1653	live
2585	widely
942	separated
2278	north
2627	south
2196	intermediate
4464	mountain
4473	ranges
4308	removed
14503	views
1510	given
4734	exact
4263	lines
3963	migration
7735	indicated
548	say
876	why
1330	species
1025	others
8732	migrated
876	why
1330	species
6124	modified
1510	given
949	rise
2162	forms
1025	others
1452	remained
12845	unaltered
1206	hope
2177	explain
1651	facts
548	say
876	why
1330	species
762	becomes
58855	naturalised
303	man
7200	agency
6756	foreign
274	land
876	why
1330	species
4473	ranges
1735	twice
7697	thrice
1735	twice
7697	thrice
733	common
1330	species
5069	homes
6	various
1276	difficulties
656	remain
3378	solved
3282	instance
2645	occurrence
807	shown
1355	dr
49806	hooker
447	plants
2438	points
19382	enormously
4174	remote
67905	kerguelen
274	land
7756	zealand
67906	fuegia
67892	icebergs
1263	suggested
44085	lyell
6076	concerned
10244	dispersal
844	existence
1595	distant
2438	points
4097	southern
7272	hemisphere
1330	species
2115	distinct
2937	belong
6233	genera
842	exclusively
5200	confined
2627	south
841	remarkable
2331	case
1330	species
2115	distinct
2309	suppose
607	time
7277	commencement
8260	glacial
2772	period
3963	migration
2440	subsequent
973	modification
485	necessary
2069	degree
1651	facts
1125	seem
2342	indicate
2115	distinct
1330	species
5238	belonging
6233	genera
8732	migrated
37248	radiating
4263	lines
733	common
1907	centre
2547	inclined
1851	look
4097	southern
3752	northern
7272	hemisphere
116	former
3482	warmer
2772	period
7277	commencement
8260	glacial
2772	period
67002	antarctic
56	lands
740	covered
3897	ice
1990	supported
2089	highly
1567	peculiar
3905	isolated
18329	flora
4199	suspected
18329	flora
7828	exterminated
8260	glacial
8131	epoch
2162	forms
2585	widely
6736	dispersed
6	various
2438	points
4097	southern
7272	hemisphere
2255	occasional
553	means
13687	transport
3277	aid
13503	halting
1184	places
9964	sunken
1333	islands
659	thus
4097	southern
1281	shores
1254	america
3225	australia
7756	zealand
644	become
1495	slightly
4663	tinted
1567	peculiar
2162	forms
74	life
322	sir
44085	lyell
1889	striking
1658	passage
25682	speculated
34	language
997	identical
17321	effects
790	great
42031	alternations
4168	climate
535	world
2426	geographical
2622	distribution
417	seen
390	mr
67782	croll
6630	conclusion
3697	successive
8260	glacial
843	periods
7272	hemisphere
28193	coincide
3482	warmer
843	periods
583	opposite
7272	hemisphere
11465	admission
1818	slow
973	modification
1330	species
1023	explains
617	multitude
1651	facts
2622	distribution
797	allied
2162	forms
74	life
748	parts
17083	globe
2635	waters
10937	flowed
2772	period
2278	north
2627	south
2643	cases
4620	reached
5628	equator
2914	stream
74	life
10937	flowed
731	greater
2245	force
2278	north
583	opposite
2073	direction
5341	consequently
2526	freely
37338	inundated
2627	south
5473	tide
586	leaves
4019	drift
4772	horizontal
4263	lines
4689	rising
1027	higher
1281	shores
1565	where
5473	tide
2640	rises
2041	highest
2635	waters
4019	drift
4464	mountain
9045	summits
3915	line
8636	gently
4689	rising
8336	arctic
22908	lowlands
790	great
16806	latitude
5628	equator
6	various
1021	beings
659	thus
35246	stranded
894	compared
2271	savage
2117	races
303	man
7096	driven
8721	surviving
4464	mountain
32494	fastnesses
274	land
2002	serves
5402	record
498	full
444	interest
116	former
6224	inhabitants
4147	surrounding
22908	lowlands
2851	chapter
267	xiii
2426	geographical
2622	distribution
649	continued
2622	distribution
568	fresh
635	water
26943	productions
6224	inhabitants
49883	oceanic
1333	islands
4815	absence
45645	batrachians
3300	terrestrial
1572	mammals
313	relation
6224	inhabitants
1333	islands
4424	nearest
1343	mainland
59046	colonisation
4424	nearest
3597	source
2440	subsequent
973	modification
22545	summary
8311	chapters
568	fresh
635	water
26943	productions
8024	lakes
2470	river
9586	systems
942	separated
13370	barriers
274	land
1672	thought
568	fresh
635	water
26943	productions
5443	ranged
2585	widely
1093	country
65	sea
2022	apparently
1694	formidable
8283	barrier
2600	extended
1595	distant
7142	countries
2331	case
2153	exactly
10747	reverse
568	fresh
635	water
1330	species
5238	belonging
5039	classes
2584	enormous
443	range
797	allied
1330	species
8381	prevail
841	remarkable
1296	manner
535	world
1291	collecting
568	fresh
2635	waters
3392	brazil
3198	remember
6369	feeling
1674	surprise
2460	similarity
568	fresh
635	water
1699	insects
488	shells
197	etc
67754	dissimilarity
4147	surrounding
3300	terrestrial
1021	beings
894	compared
7473	britain
1670	wide
9785	ranging
1627	power
568	fresh
635	water
26943	productions
1260	think
2643	cases
8494	explained
644	become
979	fitted
1296	manner
2089	highly
5124	useful
2829	frequent
5202	migrations
1036	pond
1036	pond
2914	stream
2914	stream
7142	countries
9475	liability
1670	wide
10244	dispersal
5123	follow
10107	capacity
485	necessary
1817	consequence
5191	consider
2643	cases
1242	difficult
2177	explain
2179	presented
355	fish
2647	formerly
7717	believed
568	fresh
635	water
1330	species
5061	existed
15296	continents
1595	distant
1355	dr
65732	gunther
2359	lately
807	shown
67907	galaxias
67908	attenuatus
2623	inhabits
35132	tasmania
7756	zealand
43109	falkland
1333	islands
1343	mainland
2627	south
1254	america
327	wonderful
2331	case
12582	indicates
10244	dispersal
67002	antarctic
1907	centre
116	former
3454	warm
2772	period
2331	case
655	rendered
2069	degree
3166	surprising
1330	species
2434	genus
1627	power
5793	crossing
1191	unknown
553	means
3267	considerable
1608	spaces
3229	ocean
659	thus
1330	species
733	common
7756	zealand
42455	auckland
1333	islands
942	separated
1405	distance
1421	miles
6973	continent
568	fresh
635	water
355	fish
443	range
2585	widely
13870	capriciously
4881	adjoining
2470	river
9586	systems
1330	species
716	wholly
855	probable
1744	occasionally
18230	transported
661	called
4983	accidental
553	means
659	thus
295	fishes
865	alive
1373	rarely
1162	dropped
1595	distant
2438	points
48982	whirlwinds
664	known
67476	ova
3695	retain
1143	vitality
3267	considerable
607	time
1734	removal
635	water
10244	dispersal
3180	mainly
7011	attributed
952	changes
1456	level
274	land
2405	recent
2772	period
6871	causing
4042	rivers
756	flow
2746	instances
1510	given
7767	occurred
16200	floods
889	change
1456	level
1670	wide
2147	differences
355	fish
583	opposite
584	sides
4464	mountain
4473	ranges
7657	continuous
5341	consequently
2772	period
1628	completely
5183	prevented
67909	inosculation
2470	river
9586	systems
584	sides
1013	leads
6630	conclusion
568	fresh
635	water
355	fish
2937	belong
4347	ancient
2162	forms
2643	cases
12684	ample
607	time
790	great
2426	geographical
952	changes
5341	consequently
607	time
553	means
3963	migration
932	moreover
1355	dr
65732	gunther
4461	recently
441	led
8312	considerations
8474	infer
295	fishes
2162	forms
12022	endurance
896	salt
635	water
355	fish
1237	care
1833	slowly
7384	accustomed
1653	live
568	fresh
635	water
1123	according
53537	valenciennes
2709	hardly
2168	single
2846	group
2376	members
5200	confined
568	fresh
635	water
5604	marine
1330	species
5238	belonging
568	fresh
635	water
2846	group
5463	travel
1281	shores
65	sea
855	probable
644	become
4233	adapted
2125	difficulty
568	fresh
2635	waters
1595	distant
274	land
1330	species
568	fresh
635	water
488	shells
1670	wide
4473	ranges
797	allied
1330	species
6055	theory
3199	descended
733	common
2955	parent
6372	proceeded
2168	single
3597	source
8381	prevail
535	world
2622	distribution
9925	perplexed
67476	ova
4340	likely
18230	transported
294	birds
67476	ova
3947	adults
2031	killed
65	sea
635	water
5860	understand
58855	naturalised
1330	species
2432	spread
3170	rapidly
1093	country
1651	facts
2202	observed
1025	others
3896	doubt
2396	discovered
1626	throw
3104	light
427	subject
4373	ducks
1099	suddenly
3810	emerge
1036	pond
740	covered
5578	duck
3254	weed
1735	twice
417	seen
447	plants
6494	adhering
1232	backs
5248	happened
6691	removing
5578	duck
3254	weed
2916	aquarium
37005	unintentionally
6806	stocked
568	fresh
635	water
488	shells
7200	agency
28569	effectual
729	suspended
1346	feet
5578	duck
2916	aquarium
1565	where
67476	ova
568	fresh
635	water
488	shells
3129	hatching
670	found
1159	numbers
2232	extremely
673	minute
991	hatched
488	shells
7128	crawled
1346	feet
13909	clung
5938	firmly
976	taken
635	water
8763	jarred
1026	somewhat
2738	advanced
1829	age
13547	voluntarily
1155	drop
991	hatched
67831	molluscs
3298	aquatic
439	nature
7443	survived
5578	duck
1346	feet
3785	damp
821	air
1609	twelve
100	twenty
668	hours
1758	length
607	time
5578	duck
32257	heron
962	fly
3980	seven
408	hundred
1421	miles
8021	blown
65	sea
49883	oceanic
5048	island
1595	distant
223	point
4153	alight
3952	pool
50255	rivulet
322	sir
194	charles
44085	lyell
6968	informs
67910	dyticus
1657	caught
67911	ancylus
568	fresh
635	water
61260	limpet
5938	firmly
6494	adhering
635	water
3758	beetle
1161	family
67912	colymbetes
4190	flew
114	board
67160	beagle
409	forty
1421	miles
1595	distant
4424	nearest
274	land
3577	farther
8021	blown
39345	favouring
25150	gale
490	tell
968	respect
447	plants
664	known
2584	enormous
4473	ranges
568	fresh
635	water
9170	marsh
1330	species
15296	continents
4174	remote
49883	oceanic
1333	islands
8333	strikingly
103	illustrated
1123	according
67352	alph
1771	de
67254	candolle
2830	groups
3300	terrestrial
447	plants
3298	aquatic
2376	members
2330	latter
1125	seem
2348	acquire
1817	consequence
1670	wide
443	range
1260	think
14207	favourable
553	means
10244	dispersal
2177	explain
714	fact
3518	mentioned
64	earth
1744	occasionally
41486	adheres
702	quantity
1346	feet
2883	beaks
294	birds
15431	wading
294	birds
2829	frequent
5794	muddy
1371	edges
2793	ponds
1099	suddenly
10987	flushed
4340	likely
5794	muddy
1346	feet
294	birds
534	order
521	wander
1744	occasionally
670	found
4174	remote
8159	barren
1333	islands
3229	ocean
4340	likely
4153	alight
935	surface
65	sea
8550	dirt
1346	feet
666	washed
3090	gaining
274	land
962	fly
4	natural
568	fresh
635	water
4014	haunts
5363	believe
17403	botanists
2224	aware
5165	charged
3567	mud
2793	ponds
620	seeds
2081	tried
5700	experiments
13	give
1889	striking
2331	case
1754	took
3507	february
22374	tablespoonfuls
3567	mud
2438	points
635	water
3235	edge
1036	pond
3567	mud
715	dry
2662	weighed
7295	ounces
984	kept
740	covered
470	study
2704	months
2060	pulling
11454	counting
621	plant
4474	grew
447	plants
2013	kinds
464	altogether
2554	number
45533	viscid
3567	mud
697	contained
3549	breakfast
11566	cup
1651	facts
1260	think
5696	inexplicable
2373	circumstance
635	water
294	birds
13687	transport
620	seeds
568	fresh
635	water
447	plants
67913	unstocked
2793	ponds
3186	streams
1901	situated
1595	distant
2438	points
7200	agency
1070	come
5809	play
753	eggs
1353	smaller
568	fresh
635	water
293	animals
1191	unknown
24479	agencies
2100	played
839	part
1912	stated
568	fresh
635	water
355	fish
348	eat
2013	kinds
620	seeds
2347	reject
2013	kinds
7581	swallowed
355	fish
3898	swallow
620	seeds
7805	moderate
885	size
402	yellow
635	water
37273	lily
67914	potamogeton
4562	herons
294	birds
7506	century
7506	century
3410	gone
4542	daily
974	devouring
355	fish
953	take
1644	flight
1824	go
2635	waters
8021	blown
65	sea
417	seen
620	seeds
3695	retain
1627	power
17611	germination
6468	rejected
668	hours
4367	afterwards
3542	pellets
4303	excrement
338	saw
790	great
885	size
620	seeds
627	fine
635	water
37273	lily
67915	nelumbium
791	remembered
67352	alph
1771	de
67254	candolle
2086	remarks
2622	distribution
621	plant
1672	thought
553	means
10244	dispersal
656	remain
5696	inexplicable
4327	audubon
125	states
670	found
620	seeds
790	great
4097	southern
635	water
37273	lily
1123	according
1355	dr
49806	hooker
67915	nelumbium
61416	luteum
32257	heron
977	stomach
321	bird
4587	flown
977	stomach
659	thus
6806	stocked
1595	distant
2793	ponds
3360	getting
19853	hearty
3664	meal
355	fish
2239	analogy
1961	makes
5363	believe
6468	rejected
620	seeds
56304	pellet
1878	fit
1032	state
17611	germination
553	means
2622	distribution
791	remembered
1036	pond
2914	stream
981	formed
3282	instance
4689	rising
35900	islet
34873	unoccupied
2168	single
732	seed
683	egg
1205	good
2717	chance
3343	succeeding
3075	struggle
74	life
6224	inhabitants
1036	pond
958	kind
2554	number
6806	stocked
1036	pond
2675	comparison
2554	number
1330	species
4044	inhabiting
2332	equal
2433	area
274	land
17513	competition
3612	severe
3300	terrestrial
1330	species
5341	consequently
3114	intruder
2635	waters
6756	foreign
1093	country
2717	chance
1625	seizing
1216	place
2331	case
3300	terrestrial
20854	colonists
3198	remember
568	fresh
635	water
26943	productions
1788	low
1028	scale
439	nature
1765	reason
5363	believe
1021	beings
644	become
6124	modified
1833	slowly
13	give
607	time
3963	migration
3298	aquatic
1330	species
4264	forget
2219	probability
568	fresh
635	water
2162	forms
2647	formerly
5443	ranged
7304	continuously
2032	immense
22441	areas
644	become
3469	extinct
2196	intermediate
2438	points
1670	wide
2622	distribution
568	fresh
635	water
447	plants
1879	lower
293	animals
7266	retaining
997	identical
838	form
2069	degree
6124	modified
2022	apparently
5261	depends
3217	main
839	part
1670	wide
10244	dispersal
620	seeds
753	eggs
293	animals
1731	especially
568	fresh
635	water
294	birds
790	great
508	powers
1644	flight
1683	naturally
5463	travel
820	piece
635	water
6224	inhabitants
49883	oceanic
1333	islands
1070	come
5039	classes
1651	facts
285	selected
2590	presenting
1611	greatest
2719	amount
2125	difficulty
968	respect
2622	distribution
4991	view
2142	individuals
1330	species
8732	migrated
2433	area
797	allied
1330	species
4044	inhabiting
1595	distant
2438	points
6372	proceeded
2168	single
2433	area
8354	birthplace
18252	progenitors
1510	given
8492	reasons
65515	disbelieving
18896	continental
48070	extensions
2772	period
1138	existing
1330	species
2584	enormous
1028	scale
1333	islands
38559	oceans
659	thus
6806	stocked
3300	terrestrial
6224	inhabitants
4991	view
5068	removes
1276	difficulties
11064	accord
1651	facts
6812	regard
26943	productions
1333	islands
2086	remarks
5927	confine
2116	mere
577	question
10244	dispersal
5191	consider
2643	cases
3297	bearing
462	truth
16098	theories
1558	independent
6824	creation
5736	descent
973	modification
1330	species
2013	kinds
2476	inhabit
49883	oceanic
1333	islands
2554	number
894	compared
2332	equal
18896	continental
22441	areas
67352	alph
1771	de
67254	candolle
6965	admits
447	plants
45679	wollaston
1699	insects
7756	zealand
3282	instance
5468	lofty
1791	mountains
8525	diversified
22713	stations
2078	extending
1421	miles
16806	latitude
7286	outlying
1333	islands
42455	auckland
17112	campbell
25291	chatham
771	contain
464	altogether
2013	kinds
17619	flowering
447	plants
6049	compare
7805	moderate
2554	number
1330	species
3837	swarm
2332	equal
22441	areas
14660	southwestern
3225	australia
2276	cape
1205	good
1206	hope
5314	admit
3893	cause
3421	independently
6151	physical
539	conditions
1510	given
949	rise
790	great
2178	difference
2554	number
3977	uniform
9912	county
8578	cambridge
447	plants
5048	island
43366	anglesea
571	ferns
6389	introduced
447	plants
16	included
1159	numbers
2675	comparison
845	respects
2980	fair
1238	evidence
8159	barren
5048	island
44449	ascension
67180	aboriginally
1393	possessed
1328	half
1329	dozen
17619	flowering
447	plants
1330	species
644	become
58855	naturalised
7756	zealand
49883	oceanic
5048	island
7312	named
6536	st
34951	helena
1765	reason
5363	believe
58855	naturalised
447	plants
293	animals
813	nearly
7828	exterminated
2268	native
26943	productions
6965	admits
14371	doctrine
6824	creation
929	separate
1330	species
5314	admit
3948	sufficient
2554	number
4233	adapted
447	plants
293	animals
2826	created
49883	oceanic
1333	islands
303	man
37005	unintentionally
6806	stocked
2536	fully
1323	perfectly
439	nature
49883	oceanic
1333	islands
1330	species
2554	number
537	proportion
42590	endemic
2013	kinds
670	found
2644	nowhere
2776	else
535	world
2232	extremely
6049	compare
3282	instance
2554	number
42590	endemic
274	land
488	shells
21077	madeira
42590	endemic
294	birds
67249	galapagos
1362	archipelago
2554	number
670	found
6973	continent
6049	compare
2433	area
5048	island
6973	continent
486	see
714	fact
24536	theoretically
2896	expected
8494	explained
1330	species
1744	occasionally
7569	arriving
3213	intervals
607	time
3905	isolated
5738	district
21137	compete
25717	associates
1540	eminently
4608	liable
973	modification
887	produce
2830	groups
6124	modified
8275	descendants
553	means
5322	follows
5048	island
813	nearly
1330	species
3195	class
1567	peculiar
3195	class
6029	section
3195	class
1567	peculiar
2178	difference
1193	seems
5107	depend
1993	partly
1330	species
6124	modified
67811	immigrated
739	body
4187	mutual
501	relations
3743	disturbed
1993	partly
2829	frequent
4392	arrival
67916	unmodified
32850	immigrants
1199	mother
1093	country
22967	insular
2162	forms
67165	intercrossed
2442	borne
2443	mind
1814	offspring
8649	crosses
1438	certainly
5062	gain
12111	vigour
2255	occasional
6474	cross
887	produce
5087	effect
16175	anticipated
13	give
292	illustrations
5213	foregoing
2086	remarks
67249	galapagos
1333	islands
100	twenty
274	land
294	birds
100	twenty
100	twenty
1567	peculiar
6298	eleven
5604	marine
294	birds
1567	peculiar
799	obvious
5604	marine
294	birds
1826	arrive
1333	islands
941	easily
1365	frequently
274	land
294	birds
44421	bermuda
418	hand
468	lies
1405	distance
2278	north
1254	america
67249	galapagos
1333	islands
2627	south
1254	america
1567	peculiar
605	soil
1302	possess
2168	single
42590	endemic
274	land
321	bird
420	know
390	mr
16727	jones
4417	admirable
1089	account
44421	bermuda
2278	north
294	birds
1744	occasionally
1365	frequently
1279	visit
5048	island
2658	year
2638	informed
390	mr
41896	harcourt
1305	european
2164	african
294	birds
8021	blown
21077	madeira
5048	island
2648	inhabited
2735	ninety
1926	nine
2013	kinds
1567	peculiar
796	closely
592	related
1305	european
838	form
1330	species
5200	confined
5048	island
43276	canaries
1333	islands
44421	bermuda
21077	madeira
6806	stocked
10034	neighbouring
15296	continents
294	birds
5050	ages
9808	struggled
644	become
8740	mutually
388	co
4233	adapted
2289	hence
4941	settled
5069	homes
958	kind
984	kept
1025	others
514	proper
1216	place
1240	habits
5341	consequently
4608	liable
973	modification
2424	tendency
973	modification
2757	checked
67060	intercrossing
67916	unmodified
32850	immigrants
7569	arriving
1199	mother
1093	country
21077	madeira
2648	inhabited
327	wonderful
2554	number
1567	peculiar
274	land
488	shells
1330	species
65	sea
1567	peculiar
1281	shores
420	know
65	sea
488	shells
6736	dispersed
486	see
753	eggs
22771	larvae
615	attached
38504	seaweed
11459	floating
8210	timber
1346	feet
15431	wading
294	birds
18230	transported
408	hundred
1421	miles
65	sea
941	easily
274	land
488	shells
5873	orders
1699	insects
4044	inhabiting
21077	madeira
813	nearly
5987	parallel
2643	cases
49883	oceanic
1333	islands
9646	deficient
293	animals
5039	classes
1184	places
1753	occupied
5039	classes
659	thus
67249	galapagos
1333	islands
2813	reptiles
7756	zealand
2752	gigantic
3718	wingless
294	birds
953	take
4461	recently
1754	took
1216	place
1572	mammals
7756	zealand
5841	spoken
49883	oceanic
5048	island
2069	degree
7308	doubtful
23458	ranked
885	size
942	separated
3225	australia
12761	profoundly
1860	deep
65	sea
6220	geological
35	character
2073	direction
4464	mountain
4473	ranges
227	rev
8228	clarke
2359	lately
6896	maintained
5048	island
23188	caledonia
2092	considered
41510	appurtenances
3225	australia
5070	turning
447	plants
1355	dr
49806	hooker
807	shown
67249	galapagos
1333	islands
22528	proportional
1159	numbers
5873	orders
3468	elsewhere
2147	differences
2554	number
4815	absence
2830	groups
293	animals
447	plants
1538	generally
7523	accounted
4480	supposed
2147	differences
6151	physical
539	conditions
1333	islands
6958	explanation
7308	doubtful
1917	facility
24741	immigration
1193	seems
2536	fully
439	nature
539	conditions
841	remarkable
1651	facts
1510	given
968	respect
6224	inhabitants
49883	oceanic
1333	islands
3282	instance
1333	islands
51436	tenanted
2168	single
66181	mammal
42590	endemic
447	plants
5797	beautifully
7219	hooked
620	seeds
501	relations
2346	manifest
7374	hooks
5879	serve
67318	transportal
620	seeds
4142	wool
7282	fur
7260	quadrupeds
7219	hooked
732	seed
3238	carried
5048	island
553	means
621	plant
3504	becoming
6124	modified
838	form
42590	endemic
1330	species
7266	retaining
7374	hooks
838	form
5281	useless
5775	appendage
13027	shrivelled
742	wings
7193	soldered
3875	wing
1932	covers
22967	insular
3654	beetles
1333	islands
1302	possess
1377	trees
4148	bushes
5238	belonging
5873	orders
3468	elsewhere
6991	include
47357	herbaceous
1330	species
1377	trees
67352	alph
1771	de
67254	candolle
807	shown
1538	generally
3893	cause
5200	confined
4473	ranges
2289	hence
1377	trees
4340	likely
4599	reach
1595	distant
49883	oceanic
1333	islands
47357	herbaceous
621	plant
2717	chance
8986	successfully
24424	competing
2536	fully
946	developed
1377	trees
1832	growing
6973	continent
2237	established
5048	island
5062	gain
3092	advantage
47357	herbaceous
447	plants
1832	growing
882	taller
882	taller
67917	overtopping
2331	case
4	natural
6819	selection
5421	tend
2976	add
11091	stature
621	plant
534	order
9027	belonged
659	thus
9413	convert
4515	bush
492	tree
4815	absence
45645	batrachians
3300	terrestrial
1572	mammals
49883	oceanic
1333	islands
968	respect
4815	absence
5873	orders
293	animals
49883	oceanic
1333	islands
64148	bory
6536	st
4831	vincent
6129	remarked
45645	batrachians
299	frogs
1115	toads
67918	newts
670	found
1333	islands
790	great
38559	oceans
28067	studded
976	taken
2720	pains
8794	verify
1621	assertion
670	found
4318	exception
7756	zealand
23188	caledonia
44510	andaman
1333	islands
6677	solomon
1333	islands
22699	seychelles
6129	remarked
7308	doubtful
7756	zealand
23188	caledonia
5198	classed
49883	oceanic
1333	islands
7308	doubtful
968	respect
44510	andaman
6677	solomon
2830	groups
22699	seychelles
915	general
4815	absence
299	frogs
1115	toads
67918	newts
49883	oceanic
1333	islands
7523	accounted
6151	physical
539	conditions
815	indeed
1193	seems
1333	islands
7348	peculiarly
979	fitted
293	animals
299	frogs
6389	introduced
21077	madeira
34005	azores
22698	mauritius
5882	multiplied
644	become
15633	nuisance
293	animals
2789	spawn
2031	killed
4318	exception
664	known
3228	indian
1330	species
65	sea
635	water
790	great
2125	difficulty
67318	transportal
65	sea
834	therefore
486	see
876	why
875	exist
6020	strictly
49883	oceanic
1333	islands
876	why
6055	theory
6824	creation
2826	created
1242	difficult
2177	explain
1572	mammals
2160	offer
706	similar
2331	case
1214	carefully
4641	searched
2646	oldest
32090	voyages
670	found
2168	single
3282	instance
2000	free
3896	doubt
3300	terrestrial
66181	mammal
7668	excluding
2017	domesticated
293	animals
984	kept
1290	natives
4044	inhabiting
5048	island
1901	situated
1421	miles
6973	continent
790	great
18896	continental
5048	island
1333	islands
1901	situated
1405	distance
3209	equally
8159	barren
43109	falkland
1333	islands
2648	inhabited
4089	wolf
4088	fox
1070	come
4424	nearest
4318	exception
2846	group
2092	considered
49883	oceanic
468	lies
3326	bank
2446	connection
1343	mainland
1405	distance
1421	miles
932	moreover
67892	icebergs
2647	formerly
2657	brought
7772	boulders
1800	western
1281	shores
2647	formerly
18230	transported
4607	foxes
1365	frequently
3244	happens
8336	arctic
1282	regions
867	said
1333	islands
1311	support
1572	mammals
1798	occur
748	parts
535	world
1333	islands
3315	lying
6973	continent
2709	hardly
5048	island
7312	named
1353	smaller
7260	quadrupeds
644	become
58855	naturalised
1414	greatly
5882	multiplied
867	said
1264	ordinary
4991	view
6824	creation
607	time
6824	creation
1572	mammals
20659	volcanic
1333	islands
5758	sufficiently
4347	ancient
807	shown
15918	stupendous
12318	degradation
10194	suffered
8144	tertiary
6016	strata
607	time
9506	production
42590	endemic
1330	species
5238	belonging
5039	classes
15296	continents
664	known
1330	species
1572	mammals
860	appear
1088	disappear
1108	quicker
2243	rate
1879	lower
293	animals
3300	terrestrial
1572	mammals
1798	occur
49883	oceanic
1333	islands
37451	aerial
1572	mammals
1798	occur
5048	island
7756	zealand
4110	possesses
345	bats
670	found
2644	nowhere
2776	else
535	world
20841	norfolk
5048	island
67919	viti
1362	archipelago
67920	bonin
1333	islands
184	caroline
40378	marianne
67817	archipelagoes
22698	mauritius
1302	possess
1567	peculiar
345	bats
876	why
8041	asked
4480	supposed
26541	creative
2245	force
40	produced
345	bats
1572	mammals
4174	remote
1333	islands
4991	view
577	question
941	easily
4885	answered
3300	terrestrial
66181	mammal
18230	transported
1670	wide
1057	space
65	sea
345	bats
962	fly
345	bats
417	seen
3813	wandering
967	day
117	atlantic
3229	ocean
2278	north
1330	species
4947	regularly
1744	occasionally
1279	visit
44421	bermuda
1405	distance
1421	miles
1343	mainland
550	hear
390	mr
7494	tomes
2204	specially
3989	studied
1161	family
1330	species
2584	enormous
4473	ranges
670	found
15296	continents
1595	distant
1333	islands
2289	hence
2309	suppose
3813	wandering
1330	species
6124	modified
5069	homes
313	relation
1464	position
5860	understand
2287	presence
42590	endemic
345	bats
49883	oceanic
1333	islands
4815	absence
3300	terrestrial
1572	mammals
429	interesting
313	relation
3419	exists
7117	namely
2503	depth
65	sea
780	separating
1333	islands
4424	nearest
6973	continent
2069	degree
21815	affinity
2857	mammalian
6224	inhabitants
390	mr
26995	windsor
20424	earl
413	made
1889	striking
474	observations
747	head
1414	greatly
2600	extended
390	mr
323	wallace
4417	admirable
5571	researches
6812	regard
790	great
9308	malay
1362	archipelago
7525	traversed
18254	celebes
1057	space
1860	deep
3229	ocean
2191	separates
2585	widely
2115	distinct
2857	mammalian
67383	faunas
1503	side
1333	islands
513	stand
7800	moderately
4305	shallow
35122	submarine
3326	bank
1333	islands
2648	inhabited
796	closely
797	allied
7260	quadrupeds
607	time
5123	follow
427	subject
2895	quarters
535	world
3410	gone
313	relation
1853	holds
1205	good
3282	instance
7473	britain
942	separated
4305	shallow
10111	channel
7317	europe
1572	mammals
584	sides
1333	islands
1281	shores
3225	australia
182	west
3228	indian
1333	islands
418	hand
513	stand
3708	deeply
7860	submerged
3326	bank
813	nearly
496	thousand
53489	fathoms
2503	depth
540	find
2162	forms
1330	species
6233	genera
2115	distinct
2719	amount
973	modification
293	animals
2013	kinds
3128	undergo
1993	partly
5261	depends
6735	lapse
607	time
1333	islands
942	separated
1343	mainland
4305	shallow
3959	channels
4340	likely
7304	continuously
124	united
2405	recent
2772	period
1333	islands
942	separated
3958	deeper
3959	channels
5860	understand
313	relation
3419	exists
2503	depth
65	sea
780	separating
2857	mammalian
67383	faunas
2069	degree
21815	affinity
313	relation
5696	inexplicable
6055	theory
1558	independent
2684	acts
6824	creation
5213	foregoing
1780	statements
6812	regard
6224	inhabitants
49883	oceanic
1333	islands
7117	namely
67921	fewness
1330	species
537	proportion
2044	consisting
42590	endemic
2162	forms
2376	members
2830	groups
2830	groups
3195	class
6124	modified
4815	absence
5873	orders
45645	batrachians
3300	terrestrial
1572	mammals
2287	presence
37451	aerial
345	bats
1634	singular
814	proportions
5873	orders
447	plants
47357	herbaceous
2162	forms
946	developed
1377	trees
197	etc
1125	seem
11064	accord
5542	belief
5395	efficiency
2255	occasional
553	means
13687	transport
3238	carried
954	course
607	time
5542	belief
116	former
2446	connection
49883	oceanic
1333	islands
4424	nearest
6973	continent
2330	latter
4991	view
855	probable
6	various
5039	classes
67811	immigrated
4577	uniformly
1330	species
10422	entered
739	body
4187	mutual
501	relations
3743	disturbed
5341	consequently
6124	modified
1330	species
22849	equable
1296	manner
11398	deny
576	serious
1276	difficulties
6479	understanding
6224	inhabitants
4174	remote
1333	islands
7266	retaining
7817	specific
838	form
7669	subsequently
6124	modified
4620	reached
5069	homes
2219	probability
1333	islands
5061	existed
13503	halting
1184	places
10214	wreck
525	remains
2819	overlooked
48457	specify
1242	difficult
2331	case
49883	oceanic
1333	islands
3905	isolated
1962	smallest
2648	inhabited
274	land
488	shells
1538	generally
42590	endemic
1330	species
1330	species
670	found
3468	elsewhere
1889	striking
2746	instances
1510	given
1355	dr
5825	gould
313	relation
5646	pacific
14343	notorious
274	land
488	shells
941	easily
2031	killed
65	sea
635	water
753	eggs
2081	tried
1051	sink
2031	killed
1191	unknown
1744	occasionally
2253	efficient
553	means
67318	transportal
991	hatched
21	young
21377	adhere
1346	feet
294	birds
5656	roosting
626	ground
659	thus
919	get
18230	transported
7767	occurred
274	land
488	shells
67922	hybernating
1409	membranous
49693	diaphragm
749	mouth
8365	floated
10519	chinks
9030	drifted
8210	timber
7800	moderately
1670	wide
1226	arms
65	sea
540	find
1330	species
1032	state
3609	withstand
61607	uninjured
12407	immersion
65	sea
635	water
3980	seven
259	days
49714	helix
67923	pomatia
659	thus
5947	treated
67922	hybernating
640	put
65	sea
635	water
100	twenty
259	days
1323	perfectly
10253	recovered
1758	length
607	time
3238	carried
5604	marine
1093	country
1902	average
32885	swiftness
1405	distance
2426	geographical
1421	miles
49714	helix
1904	thick
47177	calcareous
46122	operculum
4308	removed
981	formed
1409	membranous
7838	immersed
5544	fourteen
259	days
65	sea
635	water
10253	recovered
7128	crawled
4565	baron
67924	aucapitaine
2081	tried
706	similar
5700	experiments
750	placed
274	land
488	shells
5238	belonging
1827	ten
1330	species
4005	box
8689	pierced
6423	holes
7838	immersed
4671	fortnight
65	sea
408	hundred
488	shells
100	twenty
3980	seven
10253	recovered
2287	presence
46122	operculum
1193	seems
795	importance
1609	twelve
2656	specimens
67925	cyclostoma
63603	elegans
659	thus
4975	furnished
6298	eleven
6056	revived
841	remarkable
1751	seeing
49714	helix
67923	pomatia
15329	resisted
896	salt
635	water
1834	fifty
2656	specimens
5238	belonging
1330	species
49714	helix
2081	tried
67924	aucapitaine
10253	recovered
855	probable
274	land
488	shells
659	thus
18230	transported
1346	feet
294	birds
2160	offer
855	probable
693	method
501	relations
6224	inhabitants
1333	islands
4424	nearest
1343	mainland
1889	striking
714	fact
21815	affinity
1330	species
2476	inhabit
1333	islands
4424	nearest
1343	mainland
2765	actually
2552	numerous
2746	instances
1510	given
67249	galapagos
1362	archipelago
1901	situated
5628	equator
468	lies
1405	distance
1421	miles
1281	shores
2627	south
1254	america
19308	product
274	land
635	water
3272	bears
33757	unmistakable
19780	stamp
6973	continent
100	twenty
274	land
294	birds
100	twenty
100	twenty
23458	ranked
2115	distinct
1330	species
1561	commonly
2283	assumed
2826	created
21815	affinity
294	birds
1330	species
2346	manifest
35	character
1240	habits
14496	gestures
10601	tones
1392	voice
293	animals
537	proportion
447	plants
807	shown
1355	dr
49806	hooker
4417	admirable
18329	flora
1362	archipelago
192	naturalist
3035	looking
6224	inhabitants
20659	volcanic
1333	islands
5646	pacific
1595	distant
408	hundred
1421	miles
6973	continent
7869	feels
2284	standing
274	land
876	why
876	why
1330	species
4480	supposed
2826	created
67249	galapagos
1362	archipelago
2644	nowhere
2776	else
1969	bear
3733	plainly
19780	stamp
21815	affinity
2826	created
1254	america
539	conditions
74	life
6220	geological
439	nature
1333	islands
1347	height
4168	climate
814	proportions
5039	classes
856	associated
796	closely
2425	resembles
539	conditions
2627	south
2642	coast
714	fact
3267	considerable
67754	dissimilarity
845	respects
418	hand
3267	considerable
2069	degree
7383	resemblance
20659	volcanic
439	nature
605	soil
4168	climate
1347	height
885	size
1333	islands
67249	galapagos
2276	cape
23034	verde
67251	archipelagos
3308	entire
491	absolute
2178	difference
6224	inhabitants
6224	inhabitants
2276	cape
23034	verde
1333	islands
592	related
1270	africa
67249	galapagos
1254	america
1651	facts
5314	admit
802	sort
6958	explanation
1264	ordinary
4991	view
1558	independent
6824	creation
4991	view
6896	maintained
799	obvious
67249	galapagos
1333	islands
4340	likely
2107	receive
20854	colonists
1254	america
2255	occasional
553	means
13687	transport
5363	believe
14371	doctrine
2647	formerly
7657	continuous
274	land
2276	cape
23034	verde
1333	islands
1270	africa
20854	colonists
4608	liable
973	modification
1151	principle
1200	inheritance
16048	betraying
493	original
8354	birthplace
3285	analogous
1651	facts
1510	given
815	indeed
3463	universal
426	rule
42590	endemic
26943	productions
1333	islands
592	related
4424	nearest
6973	continent
4424	nearest
5048	island
3216	exceptions
8494	explained
659	thus
67905	kerguelen
274	land
1310	stands
2491	nearer
1270	africa
1254	america
447	plants
592	related
796	closely
420	know
1355	dr
49806	hooker
1089	account
1254	america
4991	view
5048	island
3180	mainly
6806	stocked
620	seeds
2657	brought
64	earth
1156	stones
67892	icebergs
9030	drifted
4414	prevailing
5556	currents
34875	anomaly
4629	disappears
7756	zealand
42590	endemic
447	plants
796	closely
592	related
3225	australia
4424	nearest
1343	mainland
2293	region
2896	expected
3733	plainly
592	related
2627	south
1254	america
4424	nearest
6973	continent
19382	enormously
4174	remote
714	fact
762	becomes
34875	anomaly
2125	difficulty
3489	partially
4629	disappears
4991	view
7756	zealand
2627	south
1254	america
4097	southern
56	lands
6806	stocked
839	part
813	nearly
2196	intermediate
1595	distant
223	point
7117	namely
67002	antarctic
1333	islands
7723	clothed
3633	vegetation
3482	warmer
8144	tertiary
2772	period
7277	commencement
8260	glacial
2772	period
21815	affinity
7246	feeble
7685	assured
1355	dr
49806	hooker
18329	flora
2627	south
1800	western
7134	corner
3225	australia
2276	cape
1205	good
1206	hope
841	remarkable
2331	case
21815	affinity
5200	confined
447	plants
3896	doubt
967	day
8494	explained
3174	law
5865	determined
6892	relationship
6224	inhabitants
1333	islands
4424	nearest
1343	mainland
4361	displayed
1028	scale
429	interesting
1296	manner
1006	limits
1362	archipelago
659	thus
929	separate
5048	island
67249	galapagos
1362	archipelago
51436	tenanted
714	fact
1842	marvellous
2115	distinct
1330	species
1330	species
592	related
898	closer
1296	manner
6224	inhabitants
6973	continent
5337	quarter
535	world
2896	expected
1333	islands
1901	situated
5327	necessarily
2107	receive
32850	immigrants
493	original
3597	source
32850	immigrants
5583	differently
6124	modified
2069	degree
1333	islands
1901	situated
3311	sight
6220	geological
439	nature
1347	height
4168	climate
197	etc
886	appeared
790	great
2125	difficulty
2366	arises
86	chief
839	part
3708	deeply
1648	seated
18323	error
6151	physical
539	conditions
1093	country
18503	disputed
439	nature
1330	species
21137	compete
1538	generally
452	element
3052	success
1851	look
1330	species
2476	inhabit
67249	galapagos
1362	archipelago
670	found
748	parts
535	world
540	find
994	differ
2173	considerably
1333	islands
2178	difference
815	indeed
2896	expected
1333	islands
6806	stocked
2255	occasional
553	means
13687	transport
732	seed
3282	instance
621	plant
2657	brought
5048	island
621	plant
5048	island
4183	proceeding
915	general
3597	source
2289	hence
116	former
884	times
50256	immigrant
4941	settled
1333	islands
7669	subsequently
2432	spread
2825	undoubtedly
4079	exposed
539	conditions
1333	islands
21137	compete
36	set
21525	organisms
621	plant
3282	instance
540	find
626	ground
979	fitted
1753	occupied
1026	somewhat
1330	species
1333	islands
4079	exposed
3112	attacks
1026	somewhat
2029	enemies
2137	varied
4	natural
6819	selection
9755	favour
2149	varieties
1333	islands
1330	species
2432	spread
3695	retain
35	character
2846	group
486	see
1330	species
4894	spreading
2585	widely
6973	continent
2194	remaining
3166	surprising
714	fact
2331	case
67249	galapagos
1362	archipelago
7536	lesser
2069	degree
3285	analogous
2643	cases
1330	species
981	formed
5048	island
2432	spread
2593	quickly
1333	islands
1333	islands
3311	sight
942	separated
1860	deep
1226	arms
65	sea
2643	cases
442	wider
5732	british
10111	channel
1765	reason
2309	suppose
116	former
2772	period
7304	continuously
124	united
5556	currents
65	sea
3790	rapid
1860	deep
1333	islands
48773	gales
7640	wind
23628	extraordinarily
1875	rare
1333	islands
8681	effectually
942	separated
860	appear
16232	map
1330	species
670	found
748	parts
535	world
5200	confined
1362	archipelago
733	common
1333	islands
8474	infer
1296	manner
2622	distribution
2432	spread
5048	island
1025	others
953	take
1260	think
21811	erroneous
4991	view
2219	probability
796	closely
797	allied
1330	species
25754	invading
2465	territory
640	put
2000	free
32498	intercommunication
2825	undoubtedly
1330	species
3092	advantage
5194	brief
607	time
716	wholly
839	part
19368	supplant
3209	equally
979	fitted
1184	places
1067	hold
929	separate
1184	places
1758	length
607	time
2456	familiar
714	fact
1330	species
58855	naturalised
303	man
7200	agency
2432	spread
2312	astonishing
1630	rapidity
1670	wide
22441	areas
4583	apt
8474	infer
1330	species
659	thus
2432	spread
3198	remember
1330	species
644	become
58855	naturalised
7142	countries
1538	generally
796	closely
797	allied
42913	aboriginal
6224	inhabitants
2115	distinct
2162	forms
5238	belonging
537	proportion
2643	cases
807	shown
67352	alph
1771	de
67254	candolle
2115	distinct
6233	genera
67249	galapagos
1362	archipelago
294	birds
4233	adapted
1571	flying
5048	island
5048	island
994	differ
1333	islands
659	thus
796	closely
797	allied
1330	species
5529	mocking
4613	thrush
5200	confined
5048	island
1506	let
2309	suppose
5529	mocking
4613	thrush
25291	chatham
5048	island
8021	blown
194	charles
5048	island
5529	mocking
4613	thrush
876	why
2415	succeed
5126	establishing
1218	safely
8474	infer
194	charles
5048	island
6806	stocked
1330	species
5205	annually
753	eggs
1185	laid
21	young
294	birds
991	hatched
3333	possibly
3500	reared
8474	infer
5529	mocking
4613	thrush
1567	peculiar
194	charles
5048	island
979	fitted
1330	species
1567	peculiar
25291	chatham
5048	island
322	sir
44085	lyell
390	mr
45679	wollaston
2619	communicated
841	remarkable
714	fact
3297	bearing
427	subject
7117	namely
21077	madeira
4881	adjoining
35900	islet
17612	porto
6177	santo
1302	possess
2115	distinct
4848	representative
1330	species
274	land
488	shells
1653	live
3931	crevices
4534	stone
859	quantities
4534	stone
5205	annually
18230	transported
17612	porto
6177	santo
21077	madeira
2330	latter
5048	island
644	become
58488	colonised
17612	porto
6177	santo
1330	species
1333	islands
58488	colonised
1305	european
274	land
488	shells
3896	doubt
3092	advantage
18208	indigenous
1330	species
8312	considerations
1260	think
1414	greatly
12570	marvel
42590	endemic
1330	species
2476	inhabit
1333	islands
67249	galapagos
1362	archipelago
2432	spread
5048	island
5048	island
6973	continent
1539	pre
4221	occupation
2100	played
839	part
5237	checking
67926	commingling
1330	species
2476	inhabit
3362	districts
813	nearly
6151	physical
539	conditions
659	thus
2627	south
4279	east
2627	south
182	west
7230	corners
3225	australia
813	nearly
6151	physical
539	conditions
124	united
7657	continuous
274	land
2648	inhabited
1434	vast
2554	number
2115	distinct
1572	mammals
294	birds
447	plants
1123	according
390	mr
6189	bates
3659	butterflies
293	animals
4044	inhabiting
790	great
7657	continuous
5250	valley
6915	amazons
1151	principle
53654	governs
915	general
35	character
6224	inhabitants
49883	oceanic
1333	islands
7117	namely
313	relation
3597	source
1761	whence
20854	colonists
941	easily
835	derived
2440	subsequent
973	modification
2187	widest
6666	application
439	nature
486	see
4464	mountain
1876	summit
4272	lake
9170	marsh
33918	alpine
1330	species
1330	species
644	become
2585	widely
2432	spread
8260	glacial
8131	epoch
592	related
4147	surrounding
22908	lowlands
659	thus
2627	south
1254	america
33918	alpine
324	humming
294	birds
33918	alpine
4027	rodents
33918	alpine
447	plants
197	etc
6020	strictly
5238	belonging
2162	forms
799	obvious
4464	mountain
4676	became
1833	slowly
67786	upheaved
58488	colonised
4147	surrounding
22908	lowlands
6224	inhabitants
8024	lakes
4647	marshes
790	great
1917	facility
13687	transport
667	allowed
2162	forms
8381	prevail
4825	portions
535	world
486	see
1151	principle
35	character
6082	blind
293	animals
4044	inhabiting
4074	caves
1254	america
7317	europe
3285	analogous
1651	facts
1510	given
5363	believe
670	found
20962	universally
3168	wherever
1282	regions
1506	let
1595	distant
796	closely
797	allied
4848	representative
1330	species
1798	occur
670	found
997	identical
1330	species
3168	wherever
796	closely
797	allied
1330	species
1798	occur
670	found
2162	forms
415	naturalists
1570	rank
2115	distinct
1330	species
1025	others
2116	mere
2149	varieties
7308	doubtful
2162	forms
2301	showing
3175	steps
648	process
973	modification
313	relation
1627	power
1341	extent
3963	migration
1330	species
116	former
2772	period
844	existence
4174	remote
2438	points
535	world
796	closely
797	allied
1330	species
807	shown
915	general
390	mr
5825	gould
6129	remarked
6233	genera
294	birds
443	range
535	world
1330	species
1670	wide
4473	ranges
2709	hardly
3896	doubt
426	rule
1538	generally
1242	difficult
4810	proof
1572	mammals
486	see
8333	strikingly
4361	displayed
345	bats
7536	lesser
2069	degree
63697	felidae
65292	canidae
486	see
426	rule
2622	distribution
3659	butterflies
3654	beetles
6224	inhabitants
568	fresh
635	water
6233	genera
2115	distinct
5039	classes
443	range
535	world
1330	species
2584	enormous
4473	ranges
2074	meant
1330	species
1670	wide
4473	ranges
6233	genera
443	range
2585	widely
2074	meant
1330	species
6233	genera
1902	average
1670	wide
443	range
4596	largely
5107	depend
648	process
973	modification
3410	gone
3282	instance
2149	varieties
1330	species
2476	inhabit
1254	america
7317	europe
659	thus
1330	species
2032	immense
443	range
2174	variation
3238	carried
1012	further
2149	varieties
23458	ranked
2115	distinct
1330	species
443	range
1414	greatly
2839	reduced
2074	meant
1330	species
10107	capacity
5793	crossing
13370	barriers
9785	ranging
2585	widely
2331	case
10994	powerfully
3830	winged
294	birds
5327	necessarily
443	range
2585	widely
4264	forget
443	range
2585	widely
5343	implies
1627	power
5793	crossing
13370	barriers
1627	power
13904	victorious
1595	distant
56	lands
3075	struggle
74	life
6756	foreign
25717	associates
1123	according
4991	view
1330	species
2434	genus
47	distributed
4174	remote
2438	points
535	world
3199	descended
2168	single
18262	progenitor
540	find
5363	believe
915	general
426	rule
540	find
1330	species
443	range
2585	widely
1969	bear
2443	mind
6233	genera
5039	classes
4347	ancient
2474	origin
1330	species
2331	case
12684	ample
607	time
10244	dispersal
2440	subsequent
973	modification
1765	reason
5363	believe
6220	geological
1238	evidence
790	great
3195	class
1879	lower
21525	organisms
889	change
7720	slower
2243	rate
1027	higher
5341	consequently
2717	chance
9785	ranging
2585	widely
7266	retaining
7817	specific
35	character
714	fact
620	seeds
753	eggs
2854	lowly
60453	organised
2162	forms
673	minute
979	fitted
1595	distant
67318	transportal
1298	accounts
3174	law
2202	observed
2359	lately
11363	discussed
67352	alph
1771	de
67254	candolle
6812	regard
447	plants
7117	namely
1879	lower
2846	group
21525	organisms
1310	stands
2585	widely
4473	ranges
501	relations
11363	discussed
7117	namely
1879	lower
21525	organisms
9785	ranging
2585	widely
1027	higher
1330	species
2585	widely
9785	ranging
6233	genera
9785	ranging
2585	widely
1651	facts
33918	alpine
67796	lacustrine
9170	marsh
26943	productions
1538	generally
592	related
1653	live
4147	surrounding
1788	low
56	lands
715	dry
56	lands
1889	striking
6892	relationship
6224	inhabitants
1333	islands
4424	nearest
1343	mainland
898	closer
6892	relationship
2115	distinct
6224	inhabitants
1333	islands
1362	archipelago
5696	inexplicable
1264	ordinary
4991	view
1558	independent
6824	creation
1330	species
33235	explicable
5314	admit
59046	colonisation
4424	nearest
39921	readiest
3597	source
2440	subsequent
6997	adaptation
20854	colonists
5069	homes
22545	summary
8311	chapters
8311	chapters
39925	endeavoured
1725	show
473	make
384	due
7056	allowance
9899	ignorance
498	full
17321	effects
952	changes
4168	climate
1456	level
274	land
1438	certainly
7767	occurred
2405	recent
2772	period
952	changes
7767	occurred
3198	remember
6728	ignorant
968	respect
1918	curious
553	means
2255	occasional
13687	transport
1969	bear
2443	mind
5118	consideration
1330	species
5443	ranged
7304	continuously
1670	wide
2433	area
644	become
3469	extinct
2196	intermediate
16279	tracts
2125	difficulty
39994	insuperable
1321	believing
2142	individuals
1330	species
3168	wherever
670	found
3199	descended
733	common
1203	parents
441	led
6630	conclusion
7319	arrived
415	naturalists
12196	designation
2168	single
7007	centres
6824	creation
6	various
915	general
8312	considerations
1731	especially
795	importance
13370	barriers
2013	kinds
67158	analogical
2622	distribution
67927	subgenera
6233	genera
2718	families
968	respect
2115	distinct
1330	species
5238	belonging
2434	genus
6055	theory
2432	spread
2955	parent
3597	source
473	make
23767	allowances
9899	ignorance
3198	remember
2162	forms
74	life
1086	changed
1833	slowly
2584	enormous
843	periods
607	time
659	thus
3076	granted
3963	migration
1276	difficulties
39994	insuperable
2331	case
2142	individuals
1330	species
790	great
6707	exemplifying
17321	effects
67816	climatical
952	changes
2622	distribution
2225	attempted
1725	show
839	part
8260	glacial
2772	period
2100	played
5522	affected
1269	equatorial
1282	regions
42031	alternations
634	cold
2278	north
2627	south
667	allowed
26943	productions
583	opposite
5012	hemispheres
9141	mingle
35246	stranded
4464	mountain
9045	summits
748	parts
535	world
2301	showing
8525	diversified
553	means
2255	occasional
13687	transport
11363	discussed
1758	length
553	means
10244	dispersal
568	fresh
635	water
26943	productions
1276	difficulties
39994	insuperable
7197	admitting
954	course
607	time
2142	individuals
1330	species
1330	species
5238	belonging
2434	genus
6372	proceeded
3597	source
4499	grand
4633	leading
1651	facts
2426	geographical
2622	distribution
33235	explicable
6055	theory
3963	migration
2440	subsequent
973	modification
16839	multiplication
2162	forms
659	thus
5860	understand
795	importance
13370	barriers
274	land
635	water
780	separating
2022	apparently
763	forming
38653	zoological
8618	botanical
11551	provinces
659	thus
5860	understand
11981	concentration
592	related
1330	species
22441	areas
12107	latitudes
3282	instance
2627	south
1254	america
6224	inhabitants
1790	plains
1791	mountains
1268	forests
4647	marshes
9150	deserts
9410	linked
1008	mysterious
1296	manner
9410	linked
3469	extinct
1021	beings
2647	formerly
2648	inhabited
6973	continent
3297	bearing
2443	mind
4187	mutual
313	relation
22183	organism
22183	organism
2041	highest
795	importance
486	see
876	why
22441	areas
813	nearly
6151	physical
539	conditions
2648	inhabited
2162	forms
74	life
1123	according
1758	length
607	time
6618	elapsed
20854	colonists
10422	entered
1282	regions
1123	according
439	nature
7053	communication
667	allowed
2162	forms
1025	others
874	enter
731	greater
7536	lesser
1159	numbers
1123	according
10422	entered
5248	happened
1070	come
1304	direct
17513	competition
2444	aborigines
1123	according
32850	immigrants
1822	capable
6422	varying
3170	rapidly
16539	ensue
1282	regions
3421	independently
6151	physical
539	conditions
12240	infinitely
8525	diversified
539	conditions
74	life
23231	endless
2719	amount
21627	organic
469	action
6370	reaction
540	find
2830	groups
1021	beings
1414	greatly
1495	slightly
6124	modified
946	developed
790	great
2245	force
1138	existing
7672	scanty
1159	numbers
540	find
790	great
2426	geographical
11551	provinces
535	world
7546	principles
5860	understand
39925	endeavoured
1725	show
876	why
49883	oceanic
1333	islands
6224	inhabitants
537	proportion
42590	endemic
1567	peculiar
876	why
313	relation
553	means
3963	migration
2846	group
1021	beings
1330	species
1567	peculiar
2846	group
3195	class
1330	species
4881	adjoining
5337	quarter
535	world
486	see
876	why
2830	groups
21525	organisms
45645	batrachians
3300	terrestrial
1572	mammals
7733	absent
49883	oceanic
1333	islands
3905	isolated
1333	islands
1302	possess
1567	peculiar
1330	species
37451	aerial
1572	mammals
345	bats
486	see
876	why
1333	islands
313	relation
2287	presence
1572	mammals
6124	modified
725	condition
2503	depth
65	sea
1333	islands
1343	mainland
2751	clearly
486	see
876	why
6224	inhabitants
1362	archipelago
23814	specifically
2115	distinct
32605	islets
796	closely
592	related
592	related
796	closely
4424	nearest
6973	continent
3597	source
1761	whence
32850	immigrants
835	derived
486	see
876	why
875	exist
796	closely
797	allied
4848	representative
1330	species
22441	areas
1595	distant
997	identical
1330	species
670	found
1927	late
215	edward
5440	forbes
455	insisted
1889	striking
7754	parallelism
509	laws
74	life
607	time
1057	space
509	laws
8726	governing
1607	succession
2162	forms
884	times
813	nearly
8726	governing
607	time
2147	differences
22441	areas
486	see
1651	facts
12022	endurance
1330	species
2846	group
1330	species
7657	continuous
607	time
2745	apparent
3216	exceptions
426	rule
8733	fairly
7011	attributed
2396	discovered
2196	intermediate
2189	deposit
2162	forms
7733	absent
1798	occur
1057	space
1438	certainly
915	general
426	rule
2433	area
2648	inhabited
2168	single
1330	species
2846	group
1330	species
7657	continuous
3216	exceptions
1875	rare
2225	attempted
1725	show
7523	accounted
116	former
5202	migrations
2364	circumstances
2255	occasional
553	means
13687	transport
1330	species
644	become
3469	extinct
2196	intermediate
16279	tracts
607	time
1057	space
1330	species
2830	groups
1330	species
2438	points
9499	maximum
955	development
2830	groups
1330	species
2772	period
607	time
2433	area
12259	characterised
6280	trifling
2501	features
733	common
17549	sculpture
9916	colour
3035	looking
1607	succession
5050	ages
3035	looking
1595	distant
11551	provinces
535	world
540	find
1330	species
5039	classes
994	differ
3195	class
6029	section
534	order
994	differ
1414	greatly
607	time
1057	space
2854	lowly
60453	organised
2376	members
3195	class
1538	generally
889	change
2089	highly
60453	organised
2643	cases
437	marked
3216	exceptions
426	rule
1123	according
6055	theory
501	relations
607	time
1057	space
11717	intelligible
1851	look
797	allied
2162	forms
74	life
1086	changed
3697	successive
5050	ages
1086	changed
8732	migrated
1595	distant
2895	quarters
2643	cases
3553	connected
13729	bond
1264	ordinary
1246	generation
2643	cases
509	laws
2174	variation
8343	modifications
7673	accumulated
553	means
4	natural
6819	selection
2851	chapter
25	xiv
4187	mutual
43973	affinities
21627	organic
1021	beings
1020	morphology
67157	embryology
943	rudimentary
1589	organs
7167	classification
2830	groups
23757	subordinate
2830	groups
4	natural
4412	system
9365	rules
1276	difficulties
7167	classification
8494	explained
6055	theory
5736	descent
973	modification
7167	classification
2149	varieties
5736	descent
7167	classification
67158	analogical
7033	adaptive
7165	characters
43973	affinities
915	general
6319	complex
37248	radiating
20063	extinction
2191	separates
34711	defines
2830	groups
1020	morphology
2376	members
3195	class
748	parts
2143	individual
67157	embryology
509	laws
8494	explained
6816	variations
67159	supervening
1829	age
6959	inherited
7029	corresponding
1829	age
943	rudimentary
1589	organs
2474	origin
8494	explained
22545	summary
7167	classification
4174	remote
2772	period
5	history
535	world
21627	organic
1021	beings
670	found
1957	resemble
5744	descending
5627	degrees
5198	classed
2830	groups
2830	groups
7167	classification
18665	arbitrary
46250	grouping
8821	stars
52957	constellations
844	existence
2830	groups
515	simple
10410	significance
2846	group
842	exclusively
979	fitted
2476	inhabit
274	land
635	water
2821	feed
779	flesh
689	vegetable
428	matter
2331	case
2585	widely
14343	notorious
1561	commonly
2376	members
67928	subgroup
1240	habits
5956	fourth
8311	chapters
2174	variation
4	natural
6819	selection
2225	attempted
1725	show
1093	country
2585	widely
9785	ranging
937	diffused
733	common
8729	dominant
1330	species
5238	belonging
712	larger
6233	genera
3195	class
847	vary
2149	varieties
22306	incipient
1330	species
659	thus
40	produced
7745	ultimately
644	become
5392	converted
2115	distinct
1330	species
1151	principle
1200	inheritance
5421	tend
887	produce
8729	dominant
1330	species
5341	consequently
2830	groups
1538	generally
6991	include
8729	dominant
1330	species
5421	tend
1824	go
2767	increasing
885	size
1012	further
2225	attempted
1725	show
6422	varying
8275	descendants
1330	species
3150	trying
3855	occupy
1184	places
2876	economy
439	nature
454	constantly
5421	tend
49380	diverge
35	character
2330	latter
6630	conclusion
1990	supported
4265	observing
790	great
7466	diversity
2162	forms
2433	area
1070	come
15800	closest
17513	competition
1651	facts
58782	naturalisation
2225	attempted
1725	show
5756	steady
2424	tendency
2162	forms
2767	increasing
2554	number
4064	diverging
35	character
19368	supplant
11813	exterminate
2436	preceding
8542	divergent
7729	improved
2162	forms
9426	request
5352	reader
1697	turn
7664	diagram
22881	illustrating
469	action
2647	formerly
8494	explained
7546	principles
486	see
12831	inevitable
1363	result
6124	modified
8275	descendants
4183	proceeding
18262	progenitor
644	become
1673	broken
2830	groups
23757	subordinate
2830	groups
7664	diagram
8111	letter
13403	uppermost
3915	line
3475	represent
2434	genus
5384	including
1330	species
6233	genera
1040	upper
3915	line
838	form
3195	class
3199	descended
4347	ancient
2955	parent
5341	consequently
6959	inherited
733	common
6233	genera
418	hand
1151	principle
733	common
838	form
67821	subfamily
2115	distinct
2273	containing
6233	genera
418	hand
32797	diverged
733	common
2955	parent
5957	fifth
2798	stage
5736	descent
6233	genera
733	common
11172	grouped
66055	subfamilies
838	form
1161	family
2115	distinct
2273	containing
6233	genera
1012	further
418	hand
32797	diverged
1297	earlier
2772	period
6233	genera
3199	descended
838	form
534	order
2115	distinct
6233	genera
3199	descended
1330	species
3199	descended
2168	single
18262	progenitor
11172	grouped
6233	genera
6233	genera
66055	subfamilies
2718	families
5873	orders
790	great
3195	class
4499	grand
714	fact
4	natural
32813	subordination
21627	organic
1021	beings
2830	groups
2830	groups
7492	familiarity
5758	sufficiently
3761	strike
6701	judgment
659	thus
8494	explained
3896	doubt
21627	organic
1021	beings
502	objects
5198	classed
446	ways
11728	artificially
2168	single
7165	characters
1683	naturally
2554	number
7165	characters
420	know
3282	instance
37913	minerals
37308	elemental
691	substances
659	thus
3680	arranged
2331	case
954	course
313	relation
35154	genealogical
1607	succession
3893	cause
10005	assigned
2105	falling
2830	groups
21627	organic
1021	beings
2331	case
4991	view
1510	given
59309	accords
4	natural
2496	arrangement
2846	group
2846	group
6958	explanation
2225	attempted
415	naturalists
417	seen
6596	try
4784	arrange
1330	species
6233	genera
2718	families
3195	class
661	called
4	natural
4412	system
2074	meant
4412	system
17166	authors
1851	look
449	merely
11270	scheme
6407	arranging
502	objects
2154	alike
780	separating
4942	artificial
693	method
54391	enunciating
5010	briefly
915	general
33907	propositions
9401	sentence
13	give
7165	characters
733	common
3282	instance
1572	mammals
733	common
4083	carnivora
733	common
2093	dog
2434	genus
529	adding
2168	single
9401	sentence
498	full
3998	description
1510	given
958	kind
2093	dog
6043	ingenuity
6033	utility
4412	system
40021	indisputable
415	naturalists
1260	think
2074	meant
4	natural
4412	system
5363	believe
3534	reveals
3365	plan
9981	creator
9427	specified
534	order
607	time
1057	space
2776	else
2074	meant
3365	plan
9981	creator
1193	seems
659	thus
901	added
532	knowledge
10110	expressions
253	famous
52796	linnaeus
2188	meet
4254	concealed
838	form
7117	namely
7165	characters
473	make
2434	genus
2434	genus
695	gives
7165	characters
1125	seem
2726	imply
3958	deeper
13729	bond
16	included
46254	classifications
2116	mere
7383	resemblance
5363	believe
2331	case
2562	community
5736	descent
664	known
3893	cause
2460	similarity
21627	organic
1021	beings
13729	bond
2202	observed
6	various
5627	degrees
973	modification
3489	partially
9943	revealed
46254	classifications
1506	let
5191	consider
9365	rules
1189	followed
7167	classification
1276	difficulties
2574	encountered
4991	view
7167	classification
695	gives
1191	unknown
3365	plan
6824	creation
911	simply
11270	scheme
54391	enunciating
915	general
33907	propositions
1525	placing
2162	forms
1672	thought
4347	ancient
884	times
1672	thought
748	parts
679	structure
5865	determined
1240	habits
74	life
915	general
1216	place
2876	economy
439	nature
795	importance
7167	classification
2006	false
7052	regards
2146	external
2460	similarity
4746	mouse
26318	shrew
63803	dugong
19603	whale
19603	whale
355	fish
795	importance
367	resemblances
25735	intimately
3553	connected
74	life
23458	ranked
449	merely
7033	adaptive
67158	analogical
7165	characters
5118	consideration
367	resemblances
8710	recur
1510	given
915	general
426	rule
839	part
12920	organisation
6076	concerned
1240	habits
762	becomes
7167	classification
3282	instance
2213	owen
2755	speaking
63803	dugong
516	says
62410	generative
1589	organs
11673	remotely
592	related
1240	habits
966	food
67	animal
5703	regarded
6665	affording
431	clear
8364	indications
43973	affinities
4340	likely
8343	modifications
1589	organs
4328	mistake
449	merely
7033	adaptive
852	essential
35	character
447	plants
841	remarkable
1589	organs
3633	vegetation
22455	nutrition
74	life
5107	depend
29230	signification
1589	organs
19069	reproduction
19308	product
732	seed
17631	embryo
8708	paramount
795	importance
2647	formerly
14381	discussing
67517	morphological
7165	characters
67421	functionally
417	seen
2041	highest
5228	service
7167	classification
5261	depends
12125	constancy
797	allied
2830	groups
12125	constancy
767	chiefly
5261	depends
972	slight
28622	deviations
6438	preserved
7673	accumulated
4	natural
6819	selection
2684	acts
7438	serviceable
7165	characters
2116	mere
7045	physiological
795	importance
1412	organ
4283	determine
67238	classificatory
463	value
2412	proved
714	fact
797	allied
2830	groups
1412	organ
1765	reason
2309	suppose
813	nearly
7045	physiological
463	value
67238	classificatory
463	value
2585	widely
192	naturalist
4103	worked
2846	group
6185	struck
714	fact
2536	fully
10464	acknowledged
414	writings
26	author
3054	suffice
1578	quote
2041	highest
2323	authority
17908	robert
239	brown
2755	speaking
1589	organs
67929	proteaceae
516	says
18590	generic
795	importance
748	parts
9857	apprehend
4	natural
1161	family
7705	unequal
2643	cases
1193	seems
781	entirely
465	lost
558	work
516	says
6233	genera
67930	connaraceae
994	differ
67526	ovaria
844	existence
4815	absence
22015	albumen
64738	imbricate
61715	valvular
67546	aestivation
7165	characters
1163	singly
1365	frequently
18590	generic
795	importance
976	taken
860	appear
4972	insufficient
929	separate
67931	cnestis
67932	connarus
13	give
699	example
1699	insects
790	great
5319	division
6754	hymenoptera
54287	antennae
64357	westwood
6129	remarked
3137	constant
679	structure
5319	division
994	differ
2147	differences
23757	subordinate
463	value
7167	classification
548	say
54287	antennae
1015	divisions
534	order
7705	unequal
7045	physiological
795	importance
2554	number
2746	instances
1510	given
6422	varying
795	importance
7167	classification
1412	organ
2846	group
1021	beings
548	say
943	rudimentary
62143	atrophied
1589	organs
7045	physiological
1158	vital
795	importance
2825	undoubtedly
1589	organs
725	condition
463	value
7167	classification
2226	dispute
943	rudimentary
1225	teeth
1040	upper
2061	jaws
21	young
22262	ruminants
943	rudimentary
778	bones
1481	leg
2089	highly
7438	serviceable
1841	exhibiting
21815	affinity
22262	ruminants
64134	pachyderms
17908	robert
239	brown
800	strongly
455	insisted
714	fact
1464	position
943	rudimentary
67397	florets
2041	highest
795	importance
7167	classification
4046	grasses
2552	numerous
2746	instances
1510	given
7165	characters
835	derived
748	parts
2092	considered
6280	trifling
7045	physiological
795	importance
20962	universally
1301	admitted
2089	highly
7438	serviceable
6988	definition
2830	groups
3282	instance
1658	passage
2693	nostrils
749	mouth
35	character
1123	according
2213	owen
3126	absolutely
23986	distinguishes
295	fishes
2813	reptiles
53849	inflection
6022	angle
1879	lower
2223	jaw
67353	marsupials
1296	manner
742	wings
1699	insects
3934	folded
2116	mere
9916	colour
46264	algae
2116	mere
67933	pubescence
748	parts
939	flower
4046	grasses
439	nature
61221	dermal
1936	covering
1821	hair
741	feathers
7204	vertebrata
67346	ornithorhynchus
740	covered
741	feathers
2785	instead
1821	hair
2146	external
6280	trifling
35	character
2092	considered
415	naturalists
3277	aid
4501	determining
2069	degree
21815	affinity
305	strange
736	creature
294	birds
795	importance
7167	classification
6280	trifling
7165	characters
3180	mainly
5261	depends
67141	correlated
7165	characters
795	importance
463	value
815	indeed
23117	aggregate
7165	characters
1618	evident
4	natural
5	history
2289	hence
6129	remarked
1330	species
1988	depart
2252	allies
7165	characters
7045	physiological
795	importance
3463	universal
7280	prevalence
2026	leave
3896	doubt
1565	where
23458	ranked
2289	hence
670	found
7167	classification
6671	founded
2168	single
35	character
6351	failed
839	part
12920	organisation
1454	invariably
3137	constant
795	importance
23117	aggregate
7165	characters
1023	explains
10909	aphorism
18075	enunciated
52796	linnaeus
7117	namely
7165	characters
13	give
2434	genus
2434	genus
695	gives
35	character
1193	seems
6671	founded
17155	appreciation
6280	trifling
2438	points
7383	resemblance
972	slight
7118	defined
447	plants
5238	belonging
67524	malpighiaceae
1969	bear
947	perfect
12319	degraded
588	flowers
2330	latter
1771	de
18261	jussieu
6129	remarked
731	greater
2554	number
7165	characters
514	proper
1330	species
2434	genus
1161	family
3195	class
1088	disappear
659	thus
8824	laugh
7167	classification
67934	aspicarpa
40	produced
3304	france
436	years
12319	degraded
588	flowers
13246	departing
6376	wonderfully
2554	number
2438	points
679	structure
514	proper
2713	type
534	order
369	richard
1261	sagaciously
338	saw
18261	jussieu
2126	observes
2434	genus
8434	retained
67524	malpighiaceae
2331	case
24445	illustrates
4360	spirit
46254	classifications
2766	practically
415	naturalists
558	work
1212	trouble
7045	physiological
463	value
7165	characters
7	use
48498	defining
2846	group
67935	allocating
2917	particular
1330	species
540	find
35	character
813	nearly
3977	uniform
733	common
790	great
2554	number
2162	forms
733	common
1025	others
7	use
463	value
733	common
7536	lesser
2554	number
7	use
23757	subordinate
463	value
1151	principle
3928	broadly
7236	confessed
415	naturalists
2751	clearly
1447	excellent
8255	botanist
9257	aug
6536	st
37528	hilaire
6280	trifling
7165	characters
670	found
8609	combination
2745	apparent
13729	bond
39519	connexion
2396	discovered
2009	especial
463	value
36	set
2830	groups
293	animals
1589	organs
25167	propelling
1103	blood
67936	aerating
4374	propagating
3093	race
670	found
813	nearly
3977	uniform
2092	considered
2089	highly
7438	serviceable
7167	classification
2830	groups
1158	vital
1589	organs
670	found
2160	offer
7165	characters
23757	subordinate
463	value
659	thus
31999	fritz
27889	muller
2359	lately
6129	remarked
2846	group
3728	crustaceans
67937	cypridina
4975	furnished
2404	heart
796	closely
797	allied
6233	genera
7117	namely
67938	cypris
67939	cytherea
1412	organ
1330	species
67937	cypridina
946	developed
67467	branchiae
1330	species
4578	destitute
486	see
876	why
7165	characters
835	derived
17631	embryo
2332	equal
795	importance
835	derived
1825	adult
4	natural
7167	classification
954	course
5043	includes
5050	ages
553	means
799	obvious
1264	ordinary
4991	view
876	why
679	structure
17631	embryo
1091	purpose
1825	adult
5481	plays
498	full
839	part
2876	economy
439	nature
800	strongly
1504	urged
790	great
415	naturalists
45135	milne
19525	edwards
517	agassiz
67161	embryological
7165	characters
14371	doctrine
1538	generally
1301	admitted
795	importance
6684	exaggerated
3357	owing
7033	adaptive
7165	characters
22771	larvae
822	excluded
534	order
1725	show
31999	fritz
27889	muller
3680	arranged
3277	aid
7165	characters
790	great
3195	class
3728	crustaceans
2496	arrangement
2182	prove
4	natural
3896	doubt
46159	embryonic
7668	excluding
3409	larval
7165	characters
2041	highest
463	value
7167	classification
293	animals
447	plants
659	thus
3217	main
1015	divisions
17619	flowering
447	plants
6671	founded
2147	differences
17631	embryo
2554	number
1464	position
21396	cotyledons
1241	mode
955	development
67940	plumule
21392	radicle
486	see
876	why
7165	characters
1302	possess
463	value
7167	classification
7117	namely
4	natural
4412	system
35154	genealogical
2496	arrangement
46254	classifications
3733	plainly
18073	influenced
5878	chains
43973	affinities
7909	easier
2631	define
2554	number
7165	characters
733	common
294	birds
3728	crustaceans
6988	definition
10150	hitherto
670	found
1579	impossible
3728	crustaceans
583	opposite
610	ends
951	series
2709	hardly
35	character
733	common
1330	species
610	ends
3733	plainly
797	allied
1025	others
1025	others
9156	onwards
9698	recognised
39897	unequivocally
5238	belonging
3195	class
67459	articulata
2426	geographical
2622	distribution
22211	logically
7167	classification
1731	especially
2830	groups
796	closely
797	allied
2162	forms
2198	temminck
24349	insists
6033	utility
4072	necessity
3082	practice
2830	groups
294	birds
1189	followed
67250	entomologists
17403	botanists
4184	finally
968	respect
2506	comparative
463	value
6	various
2830	groups
1330	species
5873	orders
67941	suborders
2718	families
66055	subfamilies
6233	genera
1125	seem
18665	arbitrary
17403	botanists
390	mr
43091	bentham
1025	others
800	strongly
455	insisted
18665	arbitrary
463	value
2746	instances
1510	given
447	plants
1699	insects
2846	group
23458	ranked
6384	practised
415	naturalists
2434	genus
1516	raised
1570	rank
67821	subfamily
1161	family
1012	further
9377	research
2285	detected
21691	structural
2147	differences
2819	overlooked
2552	numerous
797	allied
1330	species
1495	slightly
3202	grades
2178	difference
7669	subsequently
2396	discovered
5213	foregoing
9365	rules
5284	aids
1276	difficulties
7167	classification
8494	explained
1414	greatly
1631	deceive
4991	view
4	natural
4412	system
6671	founded
5736	descent
973	modification
7165	characters
415	naturalists
5191	consider
2301	showing
21815	affinity
1330	species
6959	inherited
733	common
2955	parent
7167	classification
35154	genealogical
2562	community
5736	descent
3852	hidden
13729	bond
415	naturalists
11118	unconsciously
3632	seeking
1191	unknown
3365	plan
6824	creation
42762	enunciation
915	general
33907	propositions
2116	mere
4351	putting
780	separating
502	objects
2154	alike
2177	explain
3778	meaning
2536	fully
5363	believe
2496	arrangement
2830	groups
3195	class
384	due
32813	subordination
313	relation
6020	strictly
35154	genealogical
534	order
4	natural
2719	amount
2178	difference
1543	branches
2830	groups
797	allied
2069	degree
1103	blood
733	common
18262	progenitor
994	differ
1414	greatly
384	due
5627	degrees
973	modification
3668	undergone
6814	expressed
2162	forms
23458	ranked
6233	genera
2718	families
7202	sections
5873	orders
5352	reader
5860	understand
2074	meant
953	take
1212	trouble
1367	refer
7664	diagram
5956	fourth
2851	chapter
2309	suppose
9216	letters
3475	represent
797	allied
6233	genera
1138	existing
67824	silurian
8131	epoch
3199	descended
1297	earlier
838	form
6233	genera
1330	species
7954	transmitted
6124	modified
8275	descendants
967	day
595	represented
1828	fifteen
6233	genera
13403	uppermost
4772	horizontal
3915	line
6124	modified
8275	descendants
2168	single
1330	species
592	related
1103	blood
5736	descent
2069	degree
15616	metaphorically
661	called
4446	cousins
16532	millionth
2069	degree
994	differ
2585	widely
5627	degrees
2162	forms
3199	descended
1673	broken
2718	families
1271	constitute
2115	distinct
534	order
3199	descended
1673	broken
2718	families
1138	existing
1330	species
3199	descended
23458	ranked
2434	genus
2955	parent
2955	parent
1138	existing
2434	genus
4480	supposed
1495	slightly
6124	modified
1570	rank
2955	parent
2434	genus
21525	organisms
2937	belong
67824	silurian
6233	genera
2506	comparative
463	value
2147	differences
21627	organic
1021	beings
592	related
2069	degree
1103	blood
1070	come
2585	widely
35154	genealogical
2496	arrangement
525	remains
6020	strictly
607	time
3697	successive
2772	period
5736	descent
6124	modified
8275	descendants
6959	inherited
733	common
733	common
2955	parent
8275	descendants
23757	subordinate
1596	branch
8275	descendants
3697	successive
2798	stage
2309	suppose
25979	descendant
644	become
6124	modified
465	lost
6836	traces
15008	parentage
2331	case
1216	place
4	natural
4412	system
465	lost
1193	seems
7767	occurred
1138	existing
21525	organisms
8275	descendants
2434	genus
3915	line
5736	descent
4480	supposed
6124	modified
838	form
2168	single
2434	genus
2434	genus
3905	isolated
3855	occupy
514	proper
2196	intermediate
1464	position
20856	representation
2830	groups
1510	given
7664	diagram
1789	flat
935	surface
515	simple
1543	branches
32797	diverged
5367	directions
5360	names
2830	groups
911	simply
5528	written
46906	linear
951	series
20856	representation
4	natural
32560	notoriously
3475	represent
951	series
1789	flat
935	surface
43973	affinities
4123	discover
439	nature
1021	beings
2846	group
659	thus
4	natural
4412	system
35154	genealogical
2496	arrangement
67206	pedigree
2719	amount
973	modification
2830	groups
3668	undergone
6814	expressed
20933	ranking
661	called
6233	genera
66055	subfamilies
2718	families
7202	sections
5873	orders
5039	classes
4727	worth
8788	illustrate
4991	view
7167	classification
900	taking
2331	case
7152	languages
1393	possessed
947	perfect
67206	pedigree
5134	mankind
35154	genealogical
2496	arrangement
2117	races
303	man
1126	afford
7167	classification
6	various
7152	languages
5841	spoken
535	world
3469	extinct
7152	languages
2196	intermediate
1833	slowly
2615	changing
28136	dialects
16	included
2496	arrangement
4347	ancient
7152	languages
5754	altered
1510	given
949	rise
7152	languages
1025	others
5754	altered
3357	owing
4894	spreading
36209	isolation
1032	state
58249	civilisation
388	co
3199	descended
2117	races
659	thus
1510	given
949	rise
28136	dialects
7152	languages
6	various
5627	degrees
2178	difference
7152	languages
3020	stock
6814	expressed
2830	groups
23757	subordinate
2830	groups
514	proper
2496	arrangement
35154	genealogical
6020	strictly
4	natural
6503	connect
7152	languages
3469	extinct
2405	recent
15800	closest
43973	affinities
13	give
67942	filiation
2474	origin
1077	tongue
9549	confirmation
4991	view
1506	let
1747	glance
7167	classification
2149	varieties
664	known
7717	believed
3199	descended
2168	single
1330	species
11172	grouped
1330	species
67943	subvarieties
2149	varieties
2643	cases
2897	domestic
2869	pigeon
3202	grades
2178	difference
813	nearly
9365	rules
1189	followed
6845	classifying
1330	species
17166	authors
455	insisted
4072	necessity
6407	arranging
2149	varieties
4	natural
2785	instead
4942	artificial
4412	system
9693	cautioned
3282	instance
3195	class
2149	varieties
4921	pine
4178	apple
449	merely
589	fruit
839	part
3244	happens
813	nearly
997	identical
5954	puts
7158	swedish
733	common
20266	turnip
64512	esculent
2306	thickened
2987	stems
706	similar
839	part
670	found
3137	constant
28701	classing
2149	varieties
659	thus
790	great
29806	agriculturist
8293	marshall
516	says
16654	horns
5124	useful
1091	purpose
4989	cattle
925	variable
830	shape
9916	colour
739	body
197	etc
3885	sheep
16654	horns
7438	serviceable
3137	constant
28701	classing
2149	varieties
9857	apprehend
67206	pedigree
35154	genealogical
7167	classification
20962	universally
7563	preferred
2225	attempted
2643	cases
1190	feel
973	modification
1151	principle
1200	inheritance
823	keep
2162	forms
797	allied
1611	greatest
2554	number
2438	points
7262	tumbler
4324	pigeons
67943	subvarieties
994	differ
35	character
1758	length
318	beak
984	kept
733	common
479	habit
10062	tumbling
8093	faced
4602	breed
813	nearly
465	lost
479	habit
1672	thought
427	subject
28374	tumblers
984	kept
2846	group
797	allied
1103	blood
2154	alike
845	respects
1330	species
1032	state
439	nature
192	naturalist
714	fact
2657	brought
5736	descent
7167	classification
5043	includes
2749	lowest
3499	grade
1330	species
4342	sexes
19382	enormously
994	differ
7165	characters
664	known
192	naturalist
4280	scarcely
2168	single
714	fact
10439	predicated
733	common
1825	adult
1806	males
67323	hermaphrodites
67337	cirripedes
12598	dreams
780	separating
67944	orchidean
2162	forms
67945	monachanthus
67946	myanthus
67496	catasetum
4198	previously
23458	ranked
2115	distinct
6233	genera
664	known
40	produced
621	plant
2092	considered
2149	varieties
1172	able
1725	show
1183	male
1688	female
67246	hermaphrodite
2162	forms
1330	species
192	naturalist
5043	includes
1330	species
6	various
3409	larval
3429	stages
2143	individual
994	differ
1825	adult
661	called
1606	alternate
2811	generations
67947	steenstrup
9230	technical
2096	sense
2092	considered
2143	individual
5043	includes
9325	monsters
2149	varieties
3204	partial
7383	resemblance
2955	parent
838	form
3199	descended
5736	descent
20962	universally
28701	classing
2142	individuals
1330	species
1806	males
1710	females
22771	larvae
2232	extremely
28701	classing
2149	varieties
3668	undergone
3267	considerable
2719	amount
973	modification
452	element
5736	descent
11118	unconsciously
46250	grouping
1330	species
6233	genera
6233	genera
1027	higher
2830	groups
661	called
4	natural
4412	system
5363	believe
11118	unconsciously
659	thus
5860	understand
9365	rules
35380	guides
1189	followed
65720	systematists
5528	written
20287	pedigrees
7901	forced
905	trace
2562	community
5736	descent
367	resemblances
958	kind
834	therefore
9069	choose
7165	characters
4340	likely
6124	modified
313	relation
539	conditions
74	life
1330	species
4461	recently
4079	exposed
943	rudimentary
4560	structures
4991	view
1205	good
748	parts
12920	organisation
1237	care
6280	trifling
35	character
1506	let
2116	mere
53849	inflection
6022	angle
2223	jaw
1296	manner
1083	insect
3875	wing
3934	folded
2298	skin
740	covered
1821	hair
741	feathers
8381	prevail
1330	species
1731	especially
1240	habits
74	life
1984	assumes
463	value
1089	account
2287	presence
2162	forms
1240	habits
1200	inheritance
733	common
2955	parent
33256	err
968	respect
6812	regard
2168	single
2438	points
679	structure
7165	characters
1506	let
6280	trifling
37004	concur
2846	group
1021	beings
1240	habits
1190	feel
6055	theory
5736	descent
7165	characters
6959	inherited
733	common
8288	ancestor
420	know
25829	aggregated
7165	characters
2009	especial
463	value
7167	classification
5860	understand
876	why
1330	species
2846	group
1330	species
1988	depart
2252	allies
7182	characteristics
1218	safely
5198	classed
1218	safely
3948	sufficient
2554	number
7165	characters
1506	let
17086	unimportant
8377	betrays
3852	hidden
13729	bond
2562	community
5736	descent
1506	let
2162	forms
2168	single
35	character
733	common
1176	extreme
2162	forms
3553	connected
8270	chain
2196	intermediate
2830	groups
8474	infer
2562	community
5736	descent
640	put
3195	class
540	find
1589	organs
7045	physiological
795	importance
5879	serve
1518	preserve
74	life
19760	diverse
539	conditions
844	existence
1538	generally
3137	constant
3984	attach
2009	especial
463	value
1589	organs
2846	group
6029	section
2846	group
670	found
994	differ
463	value
7167	classification
4131	presently
486	see
876	why
67161	embryological
7165	characters
67238	classificatory
795	importance
2426	geographical
2622	distribution
2657	brought
40927	usefully
5809	play
28701	classing
6233	genera
1330	species
2434	genus
4044	inhabiting
2115	distinct
3905	isolated
2293	region
2219	probability
3199	descended
1203	parents
67158	analogical
367	resemblances
5860	understand
14503	views
996	distinction
43973	affinities
67158	analogical
7033	adaptive
367	resemblances
48208	lamarck
661	called
1663	attention
427	subject
17357	ably
1189	followed
67948	macleay
1025	others
7383	resemblance
830	shape
739	body
2929	fin
6354	anterior
1533	limbs
64138	dugongs
7176	whales
5873	orders
1572	mammals
295	fishes
67158	analogical
7383	resemblance
4746	mouse
26318	shrew
4746	mouse
63576	sorex
2937	belong
5873	orders
898	closer
7383	resemblance
455	insisted
390	mr
7532	mivart
4746	mouse
46154	marsupial
67	animal
67949	antechinus
3225	australia
2330	latter
367	resemblances
7523	accounted
1193	seems
6997	adaptation
7062	similarly
735	active
1574	movements
20845	thickets
1840	herbage
4316	concealment
2029	enemies
1699	insects
602	innumerable
2746	instances
659	thus
52796	linnaeus
24358	misled
2146	external
11246	appearances
2765	actually
5198	classed
67950	homopterous
1083	insect
3642	moth
486	see
958	kind
2897	domestic
2149	varieties
8333	strikingly
706	similar
830	shape
739	body
7729	improved
5047	breeds
17797	chinese
733	common
7555	pig
3199	descended
2115	distinct
1330	species
7062	similarly
2306	thickened
2987	stems
733	common
23814	specifically
2115	distinct
7158	swedish
20266	turnip
7383	resemblance
65262	greyhound
3093	race
2870	horse
2709	hardly
4524	fanciful
6750	analogies
1893	drawn
17166	authors
2585	widely
293	animals
4991	view
7165	characters
795	importance
7167	classification
12219	reveal
5736	descent
2751	clearly
5860	understand
876	why
67158	analogical
7033	adaptive
7165	characters
6068	utmost
795	importance
5119	welfare
28634	valueless
7151	systematist
293	animals
5238	belonging
2115	distinct
4263	lines
5736	descent
644	become
4233	adapted
706	similar
539	conditions
659	thus
2283	assumed
2146	external
7383	resemblance
367	resemblances
12219	reveal
5421	tend
4321	conceal
1103	blood
6892	relationship
659	thus
5860	understand
2745	apparent
51809	paradox
7165	characters
67158	analogical
2846	group
894	compared
13	give
43973	affinities
2376	members
2846	group
894	compared
659	thus
830	shape
739	body
2929	fin
1533	limbs
67158	analogical
7176	whales
894	compared
295	fishes
7024	adaptations
5039	classes
7098	swimming
635	water
2376	members
19603	whale
1161	family
830	shape
739	body
2929	fin
1533	limbs
2160	offer
7165	characters
1841	exhibiting
21815	affinity
748	parts
813	nearly
706	similar
1161	family
3896	doubt
6959	inherited
733	common
8288	ancestor
295	fishes
2552	numerous
2643	cases
1510	given
1889	striking
367	resemblances
2115	distinct
1021	beings
2168	single
748	parts
1589	organs
4233	adapted
1024	functions
1205	good
3282	instance
6582	afforded
7383	resemblance
2061	jaws
2093	dog
67951	tasmanian
4089	wolf
67952	thylacinus
293	animals
2585	widely
33444	sundered
4	natural
4412	system
7383	resemblance
5200	confined
915	general
1615	appearance
25321	prominence
1690	canines
335	cutting
830	shape
2504	molar
1225	teeth
1225	teeth
994	differ
659	thus
2093	dog
1503	side
1040	upper
2223	jaw
1539	pre
61357	molars
61357	molars
67952	thylacinus
1539	pre
61357	molars
61357	molars
61357	molars
994	differ
293	animals
730	relative
885	size
679	structure
1825	adult
61821	dentition
5963	preceded
2585	widely
2835	milk
61821	dentition
954	course
11398	deny
1225	teeth
2331	case
4233	adapted
4853	tearing
779	flesh
4	natural
6819	selection
3697	successive
6816	variations
1301	admitted
2331	case
6192	unintelligible
13766	denied
8062	glad
540	find
2323	authority
200	professor
939	flower
1070	come
6630	conclusion
6094	extraordinary
2643	cases
1510	given
116	former
2851	chapter
2585	widely
295	fishes
4095	possessing
15267	electric
1589	organs
2585	widely
1699	insects
4095	possessing
13271	luminous
1589	organs
1886	orchids
67953	asclepiads
5829	pollen
2795	masses
45533	viscid
61833	discs
1070	come
747	head
67158	analogical
367	resemblances
2643	cases
327	wonderful
6389	introduced
1276	difficulties
23735	objections
6055	theory
2643	cases
998	fundamental
2178	difference
298	growth
955	development
748	parts
1538	generally
21514	matured
679	structure
2285	detected
612	end
4874	gained
553	means
4475	appearing
55438	superficially
484	essentially
1151	principle
2647	formerly
8449	alluded
2481	term
67158	analogical
2174	variation
2643	cases
1070	come
5809	play
2376	members
3195	class
8010	distantly
797	allied
6959	inherited
733	common
1948	constitution
4583	apt
847	vary
706	similar
8798	exciting
6065	causes
706	similar
1296	manner
7010	obviously
3277	aid
6825	acquirement
4	natural
6819	selection
748	parts
1589	organs
8333	strikingly
3421	independently
1304	direct
1200	inheritance
733	common
18262	progenitor
1330	species
5238	belonging
2115	distinct
5039	classes
4233	adapted
3697	successive
972	slight
8343	modifications
1653	live
813	nearly
706	similar
2364	circumstances
2476	inhabit
3282	instance
808	elements
274	land
821	air
635	water
5860	understand
35655	numerical
7754	parallelism
2202	observed
67954	subgroups
2115	distinct
5039	classes
192	naturalist
6185	struck
7754	parallelism
439	nature
25749	arbitrarily
1494	raising
7768	sinking
463	value
2830	groups
5039	classes
1364	experience
2201	shows
21953	valuation
18665	arbitrary
941	easily
1795	extend
7754	parallelism
1670	wide
443	range
659	thus
67955	septenary
67956	quinary
67957	quaternary
67958	ternary
46254	classifications
8662	arisen
1918	curious
3195	class
2643	cases
2146	external
7383	resemblance
5107	depend
6997	adaptation
706	similar
1240	habits
74	life
4874	gained
7353	sake
1816	protection
8411	allude
327	wonderful
1296	manner
3659	butterflies
3354	imitate
2395	described
390	mr
6189	bates
2115	distinct
1330	species
1447	excellent
1448	observer
807	shown
3362	districts
2627	south
1254	america
1565	where
3282	instance
67959	ithomia
42862	abounds
7874	gaudy
1094	swarms
3925	butterfly
7117	namely
67960	leptalis
670	found
10618	mingled
5593	flock
2330	latter
796	closely
2425	resembles
67959	ithomia
3679	shade
9134	stripe
9916	colour
830	shape
742	wings
390	mr
6189	bates
1740	eyes
13655	sharpened
1291	collecting
6298	eleven
436	years
8098	guard
4865	continually
5709	deceived
67961	mockers
26078	mocked
1657	caught
894	compared
670	found
852	essential
679	structure
2937	belong
2115	distinct
6233	genera
2115	distinct
2718	families
8506	mimicry
7767	occurred
2746	instances
2076	passed
305	strange
9875	coincidence
4159	proceed
5738	district
1565	where
67960	leptalis
19298	imitates
67959	ithomia
5529	mocking
26078	mocked
1330	species
5238	belonging
6233	genera
3209	equally
7383	resemblance
670	found
464	altogether
1827	ten
6233	genera
8613	enumerated
6991	include
1330	species
3354	imitate
3659	butterflies
67961	mockers
26078	mocked
2476	inhabit
2293	region
540	find
42563	imitator
4174	remote
838	form
19298	imitates
67961	mockers
1454	invariably
1875	rare
1699	insects
26078	mocked
2331	case
42862	abounds
1094	swarms
5738	district
1330	species
67960	leptalis
796	closely
19298	imitates
67959	ithomia
8471	lepidoptera
8731	mimicking
67959	ithomia
1216	place
1330	species
6233	genera
3659	butterflies
3642	moth
670	found
796	closely
1398	resembling
3925	butterfly
5238	belonging
5956	fourth
2434	genus
12956	deserves
2009	especial
1733	notice
8731	mimicking
2162	forms
67960	leptalis
8730	mimicked
2162	forms
807	shown
6919	graduated
951	series
449	merely
2149	varieties
1330	species
1025	others
2825	undoubtedly
2115	distinct
1330	species
876	why
8041	asked
2162	forms
5947	treated
8730	mimicked
1025	others
67962	mimickers
390	mr
6189	bates
2176	satisfactorily
2875	answers
577	question
2301	showing
838	form
8743	imitated
1462	keeps
1461	usual
3352	dress
2846	group
559	belongs
54976	counterfeiters
1086	changed
3352	dress
1957	resemble
4424	nearest
2252	allies
441	led
67506	enquire
1765	reason
10005	assigned
3659	butterflies
3918	moths
12912	assuming
3352	dress
2115	distinct
838	form
876	why
10109	perplexity
415	naturalists
439	nature
67963	condescended
1719	tricks
2798	stage
390	mr
6189	bates
3896	doubt
3368	hit
6958	explanation
26078	mocked
2162	forms
2913	abound
1159	numbers
1562	habitually
1157	escape
3894	destruction
1341	extent
875	exist
1094	swarms
2719	amount
1238	evidence
760	collected
2301	showing
6439	distasteful
294	birds
1083	insect
974	devouring
293	animals
5529	mocking
2162	forms
418	hand
2476	inhabit
5738	district
1062	comparatively
1875	rare
2937	belong
1875	rare
2830	groups
2289	hence
7623	suffer
1562	habitually
1470	danger
2554	number
753	eggs
1185	laid
3659	butterflies
2811	generations
3837	swarm
1093	country
6779	member
15553	persecuted
1875	rare
2830	groups
1563	assume
3352	dress
4228	protected
1330	species
4865	continually
5709	deceived
6384	practised
1740	eyes
6902	entomologist
1631	deceive
6905	predaceous
294	birds
1699	insects
659	thus
1157	escape
3894	destruction
390	mr
6189	bates
867	said
2765	actually
2672	witnessed
648	process
67962	mimickers
1070	come
796	closely
1957	resemble
8730	mimicked
670	found
2162	forms
67960	leptalis
6646	mimic
3659	butterflies
2137	varied
1176	extreme
2069	degree
5738	district
2149	varieties
7767	occurred
2209	resembled
1341	extent
733	common
67959	ithomia
5738	district
5738	district
2149	varieties
20187	commoner
1025	others
796	closely
26078	mocked
838	form
67959	ithomia
1651	facts
439	nature
390	mr
6189	bates
2203	concludes
67960	leptalis
2172	varies
4463	variety
3244	happens
1957	resemble
2069	degree
733	common
3925	butterfly
4044	inhabiting
5738	district
4463	variety
7383	resemblance
10047	flourishing
15553	persecuted
958	kind
2717	chance
1479	escaping
3894	destruction
6905	predaceous
294	birds
1699	insects
5341	consequently
2370	oftener
6438	preserved
947	perfect
5627	degrees
7383	resemblance
1246	generation
1246	generation
22382	eliminated
1025	others
18389	propagate
958	kind
1447	excellent
288	illustration
4	natural
6819	selection
386	messrs
323	wallace
8767	trimen
2395	described
3209	equally
1889	striking
2643	cases
2884	imitation
8471	lepidoptera
9308	malay
1362	archipelago
1270	africa
1699	insects
390	mr
323	wallace
2285	detected
2331	case
294	birds
712	larger
7260	quadrupeds
731	greater
27963	frequency
2884	imitation
1699	insects
293	animals
1817	consequence
885	size
1699	insects
2034	defend
815	indeed
2013	kinds
4975	furnished
6323	sting
1404	heard
3282	instance
2013	kinds
5529	mocking
1699	insects
26078	mocked
1699	insects
941	easily
1157	escape
1644	flight
712	larger
293	animals
332	prey
834	therefore
2755	speaking
15616	metaphorically
2839	reduced
2193	weak
1096	creatures
54838	trickery
13339	dissimulation
2202	observed
648	process
2884	imitation
6198	commenced
2162	forms
2585	widely
8347	dissimilar
9916	colour
1980	starting
1330	species
1026	somewhat
15800	closest
7383	resemblance
3880	beneficial
1443	readily
4874	gained
553	means
8743	imitated
838	form
7669	subsequently
945	gradually
6124	modified
7200	agency
8745	imitating
838	form
441	led
6715	track
659	thus
5754	altered
1341	extent
7745	ultimately
1563	assume
1615	appearance
39969	colouring
716	wholly
2376	members
1161	family
9027	belonged
2125	difficulty
747	head
485	necessary
2309	suppose
2643	cases
4347	ancient
2376	members
5238	belonging
2115	distinct
2830	groups
32797	diverged
1341	extent
6114	accidentally
2209	resembled
6779	member
4228	protected
2846	group
3948	sufficient
2069	degree
1126	afford
972	slight
1816	protection
1510	given
482	basis
2440	subsequent
8503	acquisition
947	perfect
7383	resemblance
439	nature
43973	affinities
23335	connecting
21627	organic
1021	beings
6124	modified
8275	descendants
8729	dominant
1330	species
5238	belonging
712	larger
6233	genera
5421	tend
52462	inherit
3057	advantages
413	made
2830	groups
2937	belong
1203	parents
8729	dominant
2432	spread
2585	widely
1466	seize
1184	places
2876	economy
439	nature
712	larger
8729	dominant
2830	groups
3195	class
659	thus
5421	tend
1824	go
2767	increasing
885	size
5341	consequently
19368	supplant
1353	smaller
10250	feebler
2830	groups
659	thus
1089	account
714	fact
21525	organisms
2405	recent
3469	extinct
16	included
790	great
5873	orders
2712	fewer
5039	classes
2301	showing
1027	higher
2830	groups
2554	number
2585	widely
2432	spread
535	world
714	fact
1889	striking
6689	discovery
3225	australia
901	added
1083	insect
5238	belonging
3195	class
689	vegetable
3725	kingdom
3167	learn
1355	dr
49806	hooker
901	added
2718	families
885	size
2851	chapter
6220	geological
1607	succession
2225	attempted
1725	show
1151	principle
2846	group
1538	generally
32797	diverged
35	character
649	continued
648	process
973	modification
4347	ancient
2162	forms
74	life
7165	characters
2069	degree
2196	intermediate
1138	existing
2830	groups
359	old
2196	intermediate
2162	forms
7954	transmitted
967	day
8275	descendants
6124	modified
1271	constitute
661	called
67964	osculant
48134	aberrant
2830	groups
48134	aberrant
838	form
731	greater
2554	number
23335	connecting
2162	forms
7828	exterminated
10231	utterly
465	lost
1238	evidence
48134	aberrant
2830	groups
10194	suffered
1686	severely
20063	extinction
595	represented
2232	extremely
1330	species
1330	species
1798	occur
1538	generally
2115	distinct
5343	implies
20063	extinction
6233	genera
67346	ornithorhynchus
67347	lepidosiren
699	example
48134	aberrant
595	represented
1329	dozen
1330	species
2785	instead
2168	single
1260	think
1089	account
714	fact
3035	looking
48134	aberrant
2830	groups
2162	forms
8267	conquered
1660	successful
7290	competitors
2376	members
6438	preserved
1815	unusually
14207	favourable
539	conditions
390	mr
1435	waterhouse
6129	remarked
6779	member
5238	belonging
2846	group
293	animals
1586	exhibits
21815	affinity
2115	distinct
2846	group
21815	affinity
2643	cases
915	general
659	thus
1123	according
390	mr
1435	waterhouse
4027	rodents
67870	bizcacha
813	nearly
592	related
67353	marsupials
2438	points
2594	approaches
534	order
501	relations
915	general
46154	marsupial
1330	species
2438	points
21815	affinity
7717	believed
449	merely
7033	adaptive
384	due
7448	accordance
4991	view
1200	inheritance
733	common
18262	progenitor
834	therefore
2309	suppose
4027	rodents
5384	including
67870	bizcacha
13295	branched
4347	ancient
46154	marsupial
1683	naturally
2196	intermediate
35	character
968	respect
1138	existing
67353	marsupials
4027	rodents
67353	marsupials
13295	branched
733	common
18262	progenitor
2830	groups
3668	undergone
973	modification
8542	divergent
5367	directions
4991	view
2309	suppose
67870	bizcacha
8434	retained
1200	inheritance
35	character
4347	ancient
18262	progenitor
4027	rodents
834	therefore
2204	specially
592	related
1138	existing
46154	marsupial
5293	indirectly
813	nearly
67353	marsupials
3489	partially
8434	retained
35	character
733	common
18262	progenitor
6779	member
2846	group
418	hand
67353	marsupials
390	mr
1435	waterhouse
6129	remarked
67965	phascolomys
2425	resembles
813	nearly
1330	species
915	general
534	order
4027	rodents
2331	case
800	strongly
4199	suspected
7383	resemblance
67158	analogical
3357	owing
67965	phascolomys
644	become
4233	adapted
1240	habits
60350	rodent
11251	elder
1771	de
67254	candolle
413	made
813	nearly
706	similar
474	observations
915	general
439	nature
43973	affinities
2115	distinct
2718	families
447	plants
1151	principle
16839	multiplication
1642	gradual
46257	divergence
35	character
1330	species
3199	descended
733	common
18262	progenitor
12929	retention
1200	inheritance
7165	characters
733	common
5860	understand
6668	excessively
6319	complex
37248	radiating
43973	affinities
2376	members
1161	family
1027	higher
2846	group
3553	connected
733	common
18262	progenitor
1161	family
1673	broken
20063	extinction
2115	distinct
2830	groups
67954	subgroups
7954	transmitted
7165	characters
6124	modified
6	various
446	ways
5627	degrees
1330	species
5341	consequently
592	related
67355	circuitous
4263	lines
21815	affinity
6	various
13798	lengths
417	seen
7664	diagram
2272	referred
5881	mounting
5973	predecessors
1242	difficult
1725	show
1103	blood
6892	relationship
2552	numerous
3524	kindred
4347	ancient
9718	noble
1161	family
3277	aid
35154	genealogical
492	tree
1579	impossible
3277	aid
5860	understand
6094	extraordinary
2125	difficulty
415	naturalists
17314	experienced
1449	describing
3277	aid
7664	diagram
6	various
43973	affinities
3044	perceive
3469	extinct
2376	members
790	great
4	natural
3195	class
20063	extinction
417	seen
5956	fourth
2851	chapter
2100	played
839	part
48498	defining
5088	widening
3213	intervals
2830	groups
3195	class
659	thus
1089	account
14299	distinctness
5039	classes
3282	instance
294	birds
2748	vertebrate
293	animals
5542	belief
4347	ancient
2162	forms
74	life
10231	utterly
465	lost
18252	progenitors
294	birds
2647	formerly
3553	connected
18252	progenitors
607	time
18025	differentiated
2748	vertebrate
5039	classes
20063	extinction
2162	forms
74	life
3553	connected
295	fishes
45645	batrachians
5039	classes
3282	instance
64676	crustacea
6376	wonderfully
19760	diverse
2162	forms
9410	linked
3489	partially
1673	broken
8270	chain
43973	affinities
20063	extinction
7118	defined
2830	groups
553	means
413	made
838	form
1360	lived
64	earth
1099	suddenly
14156	reappear
1579	impossible
13	give
24365	definitions
2846	group
2971	distinguished
4	natural
7167	classification
4	natural
2496	arrangement
486	see
5070	turning
7664	diagram
9216	letters
3475	represent
6298	eleven
67824	silurian
6233	genera
40	produced
2830	groups
6124	modified
8275	descendants
12571	link
1596	branch
7271	sub
1596	branch
865	alive
4343	links
731	greater
1138	existing
2149	varieties
2331	case
1579	impossible
13	give
24365	definitions
2376	members
2830	groups
2971	distinguished
3353	immediate
1203	parents
8275	descendants
2496	arrangement
7664	diagram
1067	hold
1205	good
4	natural
1151	principle
1200	inheritance
2162	forms
3199	descended
3282	instance
733	common
492	tree
877	distinguish
1596	branch
5274	actual
4124	fork
8408	unite
20833	blend
867	said
2631	define
2830	groups
2824	pick
2727	types
2162	forms
2005	representing
7165	characters
2846	group
659	thus
13	give
915	general
1581	idea
463	value
2147	differences
7096	driven
2415	succeed
1291	collecting
2162	forms
3195	class
1360	lived
607	time
1057	space
10576	assuredly
2415	succeed
1422	making
947	perfect
9394	collection
5039	classes
8393	tending
612	end
45135	milne
19525	edwards
2359	lately
455	insisted
1172	able
2270	paper
795	importance
3035	looking
2727	types
929	separate
2631	define
2830	groups
2727	types
2937	belong
4184	finally
417	seen
4	natural
6819	selection
5322	follows
3075	struggle
844	existence
6009	inevitably
1013	leads
20063	extinction
46257	divergence
35	character
8275	descendants
2955	parent
1330	species
1023	explains
790	great
3463	universal
2518	feature
43973	affinities
21627	organic
1021	beings
7117	namely
32813	subordination
2846	group
2846	group
7	use
452	element
5736	descent
28701	classing
2142	individuals
4342	sexes
5050	ages
1330	species
7165	characters
733	common
7	use
5736	descent
28701	classing
10464	acknowledged
2149	varieties
1203	parents
5363	believe
452	element
5736	descent
3852	hidden
13729	bond
39519	connexion
415	naturalists
4809	sought
2481	term
4	natural
4412	system
1581	idea
4	natural
4412	system
1058	perfected
35154	genealogical
2496	arrangement
3202	grades
2178	difference
6814	expressed
14	terms
6233	genera
2718	families
5873	orders
197	etc
5860	understand
9365	rules
7373	compelled
5123	follow
7167	classification
5860	understand
876	why
463	value
367	resemblances
1025	others
876	why
7	use
943	rudimentary
5281	useless
1589	organs
1025	others
6280	trifling
7045	physiological
795	importance
876	why
480	finding
501	relations
2846	group
36292	summarily
2347	reject
67158	analogical
7033	adaptive
7165	characters
7	use
7165	characters
1006	limits
2846	group
2751	clearly
486	see
3469	extinct
2162	forms
11172	grouped
790	great
5039	classes
2376	members
3195	class
3553	connected
6319	complex
37248	radiating
4263	lines
43973	affinities
37924	disentangle
51877	inextricable
3796	web
43973	affinities
2376	members
3195	class
2115	distinct
1661	object
4991	view
1851	look
1191	unknown
3365	plan
6824	creation
1206	hope
473	make
1818	slow
1528	progress
200	professor
37596	haeckel
67966	generelle
67967	morphologie
918	works
4461	recently
2657	brought
790	great
532	knowledge
11413	abilities
1969	bear
1139	calls
67968	phylogeny
4263	lines
5736	descent
21627	organic
1021	beings
1929	drawing
951	series
17091	trusts
767	chiefly
67161	embryological
7165	characters
2065	receives
3277	aid
27996	homologous
943	rudimentary
1589	organs
3697	successive
843	periods
6	various
2162	forms
74	life
7717	believed
886	appeared
6220	geological
41338	formations
659	thus
1038	boldly
413	made
790	great
526	beginning
2201	shows
7167	classification
2984	future
5947	treated
1020	morphology
417	seen
2376	members
3195	class
3421	independently
1240	habits
74	life
1957	resemble
915	general
3365	plan
12920	organisation
7383	resemblance
6814	expressed
2481	term
25249	unity
2713	type
6149	saying
748	parts
1589	organs
1330	species
3195	class
27996	homologous
427	subject
16	included
915	general
2481	term
1020	morphology
429	interesting
17512	departments
4	natural
5	history
867	said
5918	soul
1918	curious
418	hand
303	man
981	formed
1649	grasping
8845	mole
6458	digging
1481	leg
2870	horse
8954	paddle
17038	porpoise
3875	wing
407	bat
4580	constructed
2992	pattern
6991	include
706	similar
778	bones
730	relative
1856	positions
1918	curious
13	give
23757	subordinate
1889	striking
3282	instance
1532	hind
1346	feet
3237	kangaroo
979	fitted
6245	bounding
1790	plains
1480	climbing
334	leaf
4036	eating
64815	koala
3209	equally
979	fitted
1649	grasping
1543	branches
1377	trees
626	ground
2360	dwelling
1083	insect
611	root
4036	eating
67969	bandicoots
3470	australian
67353	marsupials
4580	constructed
6094	extraordinary
2713	type
7117	namely
778	bones
79	third
42278	digits
2232	extremely
1947	slender
625	enveloped
2298	skin
860	appear
2168	single
2145	toe
4975	furnished
4078	claws
2460	similarity
2992	pattern
799	obvious
1532	hind
1346	feet
293	animals
2585	widely
1045	purposes
6597	conceive
2331	case
655	rendered
1889	striking
9207	opossums
5123	follow
813	nearly
1240	habits
74	life
3470	australian
5364	relatives
1346	feet
4580	constructed
1264	ordinary
3365	plan
200	professor
939	flower
1780	statements
976	taken
2086	remarks
6630	conclusion
1113	call
5955	conformity
2713	type
3360	getting
2491	nearer
6958	explanation
13228	phenomenon
2569	adds
10994	powerfully
6214	suggestive
6892	relationship
1200	inheritance
733	common
8288	ancestor
56926	geoffroy
6536	st
37528	hilaire
800	strongly
455	insisted
795	importance
730	relative
1464	position
39519	connexion
27996	homologous
748	parts
994	differ
1341	extent
838	form
885	size
656	remain
3553	connected
4300	invariable
534	order
540	find
3282	instance
778	bones
1497	arm
2403	forearm
36675	thigh
1481	leg
37847	transposed
2289	hence
5360	names
1510	given
27996	homologous
778	bones
2585	widely
293	animals
486	see
790	great
3174	law
2354	construction
3536	mouths
1699	insects
23274	immensely
21418	spiral
48223	proboscis
3688	sphinx
3642	moth
1918	curious
3934	folded
3942	bee
3846	bug
790	great
2061	jaws
3758	beetle
1589	organs
1873	serving
2585	widely
1045	purposes
981	formed
12240	infinitely
2552	numerous
8343	modifications
1040	upper
2099	lip
6274	mandibles
3738	pairs
65252	maxillae
3174	law
53654	governs
2354	construction
3536	mouths
1533	limbs
3728	crustaceans
588	flowers
447	plants
8555	hopeless
2033	attempt
2177	explain
2460	similarity
2992	pattern
2376	members
3195	class
6033	utility
14371	doctrine
544	final
6065	causes
15575	hopelessness
2033	attempt
10263	expressly
1301	admitted
2213	owen
429	interesting
558	work
439	nature
1533	limbs
1264	ordinary
4991	view
1558	independent
6824	creation
548	say
11280	pleased
9981	creator
3822	construct
293	animals
447	plants
790	great
3195	class
3977	uniform
3365	plan
3426	scientific
6958	explanation
6958	explanation
1341	extent
515	simple
6055	theory
6819	selection
3697	successive
972	slight
8343	modifications
12100	profitable
6124	modified
838	form
4646	affecting
67173	correlation
748	parts
12920	organisation
952	changes
439	nature
2424	tendency
13789	alter
493	original
2992	pattern
67970	transpose
748	parts
778	bones
2311	limb
13211	shortened
3741	flattened
1341	extent
3504	becoming
607	time
625	enveloped
1904	thick
3588	membrane
5879	serve
2929	fin
8983	webbed
418	hand
778	bones
778	bones
6521	lengthened
1341	extent
3588	membrane
23335	connecting
5105	increased
5879	serve
3875	wing
8343	modifications
5421	tend
13789	alter
1675	framework
778	bones
730	relative
39519	connexion
748	parts
2309	suppose
18262	progenitor
48357	archetype
661	called
1572	mammals
294	birds
2813	reptiles
1533	limbs
4580	constructed
1138	existing
915	general
2992	pattern
1091	purpose
6266	served
3044	perceive
4597	plain
29230	signification
27996	homologous
2354	construction
1533	limbs
3195	class
3536	mouths
1699	insects
2309	suppose
733	common
18262	progenitor
1040	upper
2099	lip
6274	mandibles
3738	pairs
65252	maxillae
748	parts
515	simple
838	form
4	natural
6819	selection
1089	account
6481	infinite
7466	diversity
679	structure
5970	function
3536	mouths
1699	insects
12842	conceivable
915	general
2992	pattern
1412	organ
644	become
13287	obscured
4184	finally
465	lost
21893	reduction
7745	ultimately
4774	complete
23263	abortion
748	parts
21610	fusion
748	parts
16958	doubling
16839	multiplication
1025	others
6816	variations
420	know
1006	limits
9485	possibility
8026	paddles
2752	gigantic
3469	extinct
65	sea
2812	lizards
3536	mouths
67971	suctorial
3728	crustaceans
915	general
2992	pattern
1193	seems
659	thus
644	become
3489	partially
13287	obscured
3209	equally
1918	curious
1596	branch
427	subject
7117	namely
46258	serial
67972	homologies
2675	comparison
748	parts
1589	organs
2143	individual
748	parts
1589	organs
2376	members
3195	class
67358	physiologists
5363	believe
778	bones
2183	skull
27996	homologous
6144	correspond
2554	number
730	relative
39519	connexion
37308	elemental
748	parts
2554	number
65018	vertebrae
6354	anterior
1514	posterior
1533	limbs
1027	higher
2748	vertebrate
5039	classes
3733	plainly
27996	homologous
6376	wonderfully
6319	complex
2061	jaws
743	legs
3728	crustaceans
2456	familiar
939	flower
730	relative
1464	position
21388	sepals
8413	petals
5851	stamens
21233	pistils
11519	intimate
679	structure
11717	intelligible
4991	view
757	consist
41592	metamorphosed
586	leaves
3680	arranged
42309	spire
11161	monstrous
447	plants
919	get
1304	direct
1238	evidence
9485	possibility
1412	organ
5886	transformed
2765	actually
486	see
46159	embryonic
3429	stages
955	development
588	flowers
3728	crustaceans
293	animals
1589	organs
3331	mature
644	become
2232	extremely
2153	exactly
2154	alike
5696	inexplicable
2643	cases
46258	serial
67972	homologies
1264	ordinary
4991	view
6824	creation
876	why
6088	brain
3670	enclosed
4005	box
768	composed
2552	numerous
23628	extraordinarily
3803	shaped
777	pieces
7188	bone
2022	apparently
2005	representing
65018	vertebrae
2213	owen
6129	remarked
5125	benefit
835	derived
850	yielding
929	separate
777	pieces
1178	act
61449	parturition
1572	mammals
553	means
2177	explain
2354	construction
2181	skulls
294	birds
2813	reptiles
876	why
706	similar
778	bones
2826	created
838	form
3875	wing
1481	leg
407	bat
6594	totally
1045	purposes
7117	namely
1571	flying
1513	walking
876	why
67826	crustacean
2232	extremely
6319	complex
749	mouth
981	formed
748	parts
5341	consequently
2712	fewer
743	legs
34682	conversely
743	legs
2843	simpler
3536	mouths
876	why
21388	sepals
8413	petals
5851	stamens
21233	pistils
939	flower
979	fitted
2115	distinct
1045	purposes
4580	constructed
2992	pattern
6055	theory
4	natural
6819	selection
1341	extent
579	answer
6123	questions
5191	consider
718	bodies
293	animals
4676	became
5038	divided
951	series
3742	segments
4676	became
5038	divided
584	sides
7029	corresponding
1589	organs
6123	questions
5211	investigation
855	probable
46258	serial
4560	structures
1363	result
3551	cells
20180	multiplying
5319	division
36074	entailing
16839	multiplication
748	parts
946	developed
3551	cells
3054	suffice
1091	purpose
1969	bear
2443	mind
3993	indefinite
6839	repetition
839	part
1412	organ
733	common
906	characteristic
2213	owen
6129	remarked
1788	low
60481	specialised
2162	forms
834	therefore
1191	unknown
18262	progenitor
7204	vertebrata
1393	possessed
65018	vertebrae
1191	unknown
18262	progenitor
67459	articulata
3742	segments
1191	unknown
18262	progenitor
17619	flowering
447	plants
586	leaves
3680	arranged
12295	spires
2647	formerly
417	seen
748	parts
884	times
652	repeated
1540	eminently
4608	liable
847	vary
2554	number
838	form
5341	consequently
748	parts
3267	considerable
1159	numbers
2089	highly
925	variable
1683	naturally
1126	afford
917	materials
6997	adaptation
1045	purposes
1538	generally
3695	retain
2245	force
1200	inheritance
4597	plain
6836	traces
493	original
998	fundamental
7383	resemblance
3695	retain
7383	resemblance
6816	variations
6582	afforded
482	basis
2440	subsequent
973	modification
4	natural
6819	selection
5421	tend
706	similar
748	parts
2798	stage
298	growth
2154	alike
6664	subjected
813	nearly
539	conditions
748	parts
6124	modified
733	common
2474	origin
4676	became
716	wholly
13287	obscured
67973	serially
27996	homologous
790	great
3195	class
67831	molluscs
748	parts
2115	distinct
1330	species
807	shown
27996	homologous
46258	serial
67972	homologies
37880	valves
67974	chitons
7735	indicated
2322	seldom
3358	enabled
548	say
839	part
27996	homologous
839	part
2143	individual
5860	understand
714	fact
67831	molluscs
2749	lowest
2376	members
3195	class
540	find
813	nearly
3993	indefinite
6839	repetition
839	part
540	find
790	great
5039	classes
67	animal
689	vegetable
27010	kingdoms
1020	morphology
6319	complex
427	subject
851	appears
2359	lately
807	shown
841	remarkable
2270	paper
390	mr
8360	ray
67514	lankester
1893	drawn
996	distinction
5039	classes
2643	cases
3209	equally
23458	ranked
415	naturalists
27996	homologous
28740	proposes
1113	call
4560	structures
1957	resemble
2115	distinct
293	animals
3357	owing
5736	descent
733	common
18262	progenitor
2440	subsequent
973	modification
67975	homogenous
367	resemblances
659	thus
7523	accounted
28740	proposes
1113	call
60483	homoplastic
3282	instance
7826	believes
1106	hearts
294	birds
1572	mammals
67975	homogenous
835	derived
733	common
18262	progenitor
3876	cavities
2404	heart
5039	classes
60483	homoplastic
3421	independently
946	developed
390	mr
67514	lankester
67515	adduces
7383	resemblance
748	parts
584	sides
739	body
3697	successive
3742	segments
2143	individual
67	animal
748	parts
1561	commonly
661	called
27996	homologous
1969	bear
313	relation
5736	descent
2115	distinct
1330	species
733	common
18262	progenitor
60483	homoplastic
4560	structures
5198	classed
8027	imperfect
1296	manner
3285	analogous
8343	modifications
367	resemblances
7639	formation
7011	attributed
839	part
2115	distinct
21525	organisms
2115	distinct
748	parts
22183	organism
2137	varied
3285	analogous
1296	manner
839	part
706	similar
8343	modifications
6438	preserved
915	general
1091	purpose
5970	function
2746	instances
1510	given
415	naturalists
1365	frequently
2842	speak
2183	skull
981	formed
41592	metamorphosed
65018	vertebrae
2061	jaws
64351	crabs
41592	metamorphosed
743	legs
5851	stamens
21233	pistils
588	flowers
41592	metamorphosed
586	leaves
2643	cases
1244	correct
200	professor
297	huxley
6129	remarked
2842	speak
2183	skull
65018	vertebrae
2061	jaws
743	legs
197	etc
41592	metamorphosed
875	exist
733	common
2843	simpler
452	element
415	naturalists
7	use
34	language
56638	metaphorical
2096	sense
3778	meaning
954	course
5736	descent
67089	primordial
1589	organs
958	kind
65018	vertebrae
2331	case
743	legs
2765	actually
5392	converted
2181	skulls
2061	jaws
2341	strong
1615	appearance
7767	occurred
415	naturalists
2709	hardly
1700	avoid
6936	employing
34	language
4597	plain
29230	signification
1123	according
14503	views
6896	maintained
34	language
6654	literally
327	wonderful
714	fact
2061	jaws
3282	instance
8572	crab
7266	retaining
2552	numerous
7165	characters
8434	retained
1200	inheritance
41592	metamorphosed
2232	extremely
515	simple
743	legs
839	part
8494	explained
955	development
67157	embryology
6795	subjects
4	natural
5	history
19172	metamorphoses
1699	insects
2456	familiar
1538	generally
1531	effected
7075	abruptly
3429	stages
8348	transformations
522	reality
2552	numerous
1642	gradual
4254	concealed
67976	ephemerous
1083	insect
67977	chloeon
955	development
8374	moults
807	shown
322	sir
364	lubbock
100	twenty
884	times
607	time
3394	undergoes
2719	amount
889	change
2331	case
486	see
1178	act
6708	metamorphosis
1146	performed
5600	primary
1642	gradual
1296	manner
1699	insects
1731	especially
3728	crustaceans
1725	show
327	wonderful
952	changes
679	structure
1531	effected
955	development
952	changes
4599	reach
49153	acme
661	called
1606	alternate
2811	generations
1879	lower
293	animals
3282	instance
2312	astonishing
714	fact
1053	delicate
4482	branching
67978	coralline
28067	studded
61491	polypi
615	attached
35122	submarine
3146	rock
887	produce
15802	budding
2523	transverse
5319	division
8217	host
2549	huge
11459	floating
774	jelly
295	fishes
887	produce
753	eggs
991	hatched
7098	swimming
67979	animalcules
3984	attach
487	rocks
644	become
946	developed
4482	branching
67980	corallines
23231	endless
23147	cycle
5542	belief
852	essential
21886	identity
648	process
1606	alternate
1246	generation
1264	ordinary
6708	metamorphosis
1414	greatly
6500	strengthened
25163	wagner
6689	discovery
3639	larva
67981	maggot
962	fly
7117	namely
67982	cecidomyia
5922	producing
67983	asexually
22771	larvae
1025	others
4184	finally
946	developed
3331	mature
1806	males
1710	females
4374	propagating
958	kind
1264	ordinary
1296	manner
753	eggs
4727	worth
1733	notice
25163	wagner
841	remarkable
6689	discovery
9310	announced
8041	asked
1089	account
22771	larvae
962	fly
1601	acquired
1627	power
8601	sexual
19069	reproduction
2331	case
1452	remained
3418	unique
579	answer
1510	given
48449	grimm
807	shown
962	fly
67984	chironomus
21160	reproduces
813	nearly
1296	manner
7826	believes
1787	occurs
1365	frequently
534	order
3687	pupa
3639	larva
67984	chironomus
1627	power
48449	grimm
1012	further
2201	shows
2331	case
1341	extent
26154	unites
67982	cecidomyia
67322	parthenogenesis
67985	coccidae
2481	term
67322	parthenogenesis
27962	implying
3331	mature
1710	females
67985	coccidae
1822	capable
5922	producing
7902	fertile
753	eggs
12365	concourse
1183	male
293	animals
5238	belonging
5039	classes
664	known
1627	power
1264	ordinary
19069	reproduction
1815	unusually
1829	age
25827	accelerate
67986	parthenogenetic
19069	reproduction
1642	gradual
3175	steps
1297	earlier
1297	earlier
1829	age
67984	chironomus
2301	showing
2153	exactly
2196	intermediate
2798	stage
5294	viz
3687	pupa
1089	account
1842	marvellous
2331	case
67982	cecidomyia
1912	stated
6	various
748	parts
2143	individual
2153	exactly
2154	alike
46159	embryonic
2772	period
644	become
2585	widely
5879	serve
2585	widely
1045	purposes
1825	adult
1032	state
807	shown
1538	generally
46033	embryos
2115	distinct
1330	species
5238	belonging
3195	class
796	closely
706	similar
644	become
2536	fully
946	developed
2585	widely
8347	dissimilar
4810	proof
2330	latter
714	fact
1510	given
6985	statement
7757	von
67137	baer
46033	embryos
7172	mammalia
294	birds
2812	lizards
347	snakes
67987	chelonia
14175	earliest
125	states
2423	exceedingly
1241	mode
955	development
748	parts
714	fact
877	distinguish
46033	embryos
885	size
1453	possession
46033	embryos
4360	spirit
5360	names
8485	omitted
3984	attach
2630	unable
548	say
3195	class
2937	belong
2812	lizards
294	birds
21	young
7172	mammalia
4774	complete
2460	similarity
1241	mode
7639	formation
747	head
4206	trunk
293	animals
1515	extremities
7733	absent
46033	embryos
5061	existed
14175	earliest
2798	stage
955	development
3167	learn
1346	feet
2812	lizards
1572	mammals
742	wings
1346	feet
294	birds
643	hands
1346	feet
303	man
5952	arise
998	fundamental
838	form
22771	larvae
3728	crustaceans
7029	corresponding
3429	stages
955	development
796	closely
1957	resemble
3947	adults
644	become
293	animals
905	trace
3174	law
46159	embryonic
7383	resemblance
1744	occasionally
4794	lasts
1927	late
1829	age
659	thus
294	birds
2434	genus
797	allied
6233	genera
1957	resemble
1807	immature
4289	plumage
486	see
3879	spotted
741	feathers
21	young
4613	thrush
2846	group
3423	cat
2377	tribe
1330	species
1825	adult
7865	striped
3879	spotted
4263	lines
7916	stripes
3651	spots
3733	plainly
2971	distinguished
67988	whelp
8318	lion
5668	puma
1744	occasionally
1373	rarely
486	see
958	kind
447	plants
659	thus
586	leaves
67989	ulex
9037	furze
586	leaves
67990	phyllodineous
46728	acacias
67991	pinnate
5038	divided
1264	ordinary
586	leaves
67315	leguminosae
2438	points
679	structure
46033	embryos
2585	widely
293	animals
3195	class
1957	resemble
1304	direct
313	relation
539	conditions
844	existence
3282	instance
2309	suppose
46033	embryos
7204	vertebrata
1567	peculiar
4526	loop
5518	courses
7530	arteries
60818	branchial
27898	slits
592	related
706	similar
539	conditions
21	young
66181	mammal
19378	nourished
37893	womb
1199	mother
683	egg
321	bird
991	hatched
340	nest
2789	spawn
1029	frog
635	water
1765	reason
5363	believe
313	relation
5363	believe
706	similar
778	bones
418	hand
303	man
3875	wing
407	bat
2929	fin
17038	porpoise
592	related
706	similar
539	conditions
74	life
27280	supposes
7916	stripes
67988	whelp
8318	lion
3651	spots
21	young
4555	blackbird
7	use
293	animals
2331	case
67	animal
839	part
46159	embryonic
7220	career
735	active
9420	provide
2772	period
1545	activity
1070	come
1297	earlier
74	life
2637	comes
6997	adaptation
3639	larva
539	conditions
74	life
947	perfect
541	beautiful
1825	adult
67	animal
1296	manner
5751	acted
4461	recently
807	shown
322	sir
364	lubbock
2086	remarks
2460	similarity
22771	larvae
1699	insects
5238	belonging
5873	orders
67754	dissimilarity
22771	larvae
1699	insects
534	order
1123	according
1240	habits
74	life
3357	owing
7024	adaptations
2460	similarity
22771	larvae
797	allied
293	animals
1414	greatly
13287	obscured
1731	especially
5319	division
10555	labour
3429	stages
955	development
3639	larva
2798	stage
3019	search
966	food
2798	stage
3019	search
1216	place
12128	attachment
2643	cases
1510	given
22771	larvae
797	allied
1330	species
2830	groups
1330	species
6195	differing
3947	adults
2643	cases
22771	larvae
735	active
512	obey
796	closely
3174	law
733	common
46159	embryonic
7383	resemblance
67337	cirripedes
1126	afford
1205	good
3282	instance
9711	illustrious
2090	cuvier
3044	perceive
58333	barnacle
67826	crustacean
1747	glance
3639	larva
2201	shows
33757	unmistakable
1296	manner
3217	main
1015	divisions
67337	cirripedes
60292	pedunculated
61427	sessile
6195	differing
2585	widely
2146	external
1615	appearance
22771	larvae
3429	stages
4627	barely
2220	distinguishable
17631	embryo
954	course
955	development
1538	generally
2640	rises
12920	organisation
7	use
2744	expression
2224	aware
2709	hardly
2631	define
2751	clearly
2074	meant
12920	organisation
1027	higher
1879	lower
2226	dispute
3925	butterfly
1027	higher
3617	caterpillar
2643	cases
3331	mature
67	animal
2092	considered
1879	lower
1028	scale
3639	larva
1885	parasitic
3728	crustaceans
1367	refer
67337	cirripedes
22771	larvae
2798	stage
3738	pairs
1568	locomotive
1589	organs
515	simple
2168	single
1315	eye
67992	probosciformed
749	mouth
2821	feed
4596	largely
2764	increase
885	size
2798	stage
10203	answering
3635	chrysalis
2798	stage
3659	butterflies
3738	pairs
5797	beautifully
4580	constructed
67993	natatory
743	legs
2762	pair
1256	magnificent
832	compound
1740	eyes
2232	extremely
6319	complex
54287	antennae
6283	closed
8027	imperfect
749	mouth
2821	feed
5970	function
2798	stage
3019	search
946	developed
1589	organs
2096	sense
4599	reach
735	active
508	powers
7098	swimming
514	proper
1216	place
644	become
615	attached
3128	undergo
544	final
6708	metamorphosis
2996	completed
604	fixed
74	life
743	legs
5392	converted
64416	prehensile
1589	organs
705	obtain
4580	constructed
749	mouth
54287	antennae
1740	eyes
67349	reconverted
673	minute
2168	single
515	simple
1315	eye
1857	spot
4774	complete
1032	state
67337	cirripedes
2092	considered
2089	highly
2854	lowly
60453	organised
3409	larval
725	condition
6233	genera
22771	larvae
644	become
946	developed
67323	hermaphrodites
1264	ordinary
679	structure
661	called
67994	complemental
1806	males
2330	latter
955	development
10576	assuredly
20188	retrograde
1183	male
2116	mere
3259	sack
1002	lives
607	time
4578	destitute
749	mouth
977	stomach
1412	organ
795	importance
19069	reproduction
7384	accustomed
486	see
2178	difference
679	structure
17631	embryo
1825	adult
2674	tempted
1851	look
2178	difference
485	necessary
1296	manner
34866	contingent
298	growth
1765	reason
876	why
3282	instance
3875	wing
407	bat
2929	fin
17038	porpoise
6112	sketched
748	parts
514	proper
537	proportion
839	part
4676	became
3550	visible
2830	groups
293	animals
2376	members
2830	groups
2331	case
17631	embryo
2772	period
994	differ
2585	widely
1825	adult
659	thus
2213	owen
6129	remarked
6812	regard
354	cuttle
355	fish
6708	metamorphosis
67995	cephalopodic
35	character
1617	manifested
748	parts
17631	embryo
2996	completed
274	land
488	shells
568	fresh
635	water
3728	crustaceans
1140	born
514	proper
2162	forms
5604	marine
2376	members
790	great
5039	classes
587	pass
3267	considerable
790	great
952	changes
955	development
337	spiders
4627	barely
3128	undergo
6708	metamorphosis
22771	larvae
1699	insects
587	pass
963	worm
2798	stage
735	active
4233	adapted
8525	diversified
1240	habits
3598	inactive
750	placed
514	proper
2014	nutriment
2818	fed
1203	parents
2643	cases
6877	aphis
1851	look
4417	admirable
17204	drawings
955	development
1083	insect
200	professor
297	huxley
486	see
2709	hardly
905	trace
21425	vermiform
2798	stage
1297	earlier
8344	developmental
3429	stages
2605	fail
659	thus
31999	fritz
27889	muller
413	made
841	remarkable
6689	discovery
17044	shrimp
3728	crustaceans
797	allied
67996	penoeus
860	appear
515	simple
67997	nauplius
838	form
450	passing
67998	zoea
3429	stages
67999	mysis
2798	stage
4184	finally
2348	acquire
3331	mature
679	structure
790	great
68000	malacostracan
534	order
3728	crustaceans
2937	belong
6779	member
664	known
946	developed
67997	nauplius
838	form
860	appear
68001	zoeas
27889	muller
28743	assigns
8492	reasons
5542	belief
11524	suppression
955	development
3728	crustaceans
886	appeared
68002	nauplii
2177	explain
1651	facts
67157	embryology
7117	namely
915	general
3463	universal
2178	difference
679	structure
17631	embryo
1825	adult
6	various
748	parts
2143	individual
17631	embryo
7745	ultimately
644	become
5879	serve
19760	diverse
1045	purposes
2772	period
298	growth
2154	alike
733	common
4300	invariable
7383	resemblance
46033	embryos
22771	larvae
2115	distinct
1330	species
3195	class
17631	embryo
7266	retaining
683	egg
37893	womb
4560	structures
5228	service
2772	period
74	life
418	hand
22771	larvae
9420	provide
2973	wants
1323	perfectly
4233	adapted
4147	surrounding
539	conditions
5177	lastly
714	fact
22771	larvae
2284	standing
1027	higher
1028	scale
12920	organisation
3331	mature
67	animal
946	developed
5363	believe
1651	facts
8494	explained
5322	follows
1561	commonly
2283	assumed
56385	monstrosities
4646	affecting
17631	embryo
2772	period
972	slight
6816	variations
2143	individual
2147	differences
5327	necessarily
860	appear
3209	equally
2772	period
1238	evidence
747	head
1438	certainly
2438	points
14343	notorious
58772	breeders
4989	cattle
2741	horses
6	various
2967	fancy
293	animals
7655	positively
490	tell
607	time
1813	birth
12394	merits
40152	demerits
21	young
293	animals
486	see
3733	plainly
549	children
490	tell
505	child
1380	tall
4478	precise
2501	features
577	question
2772	period
74	life
2174	variation
4377	caused
2772	period
17321	effects
4361	displayed
3893	cause
5751	acted
5363	believe
5751	acted
1203	parents
1178	act
1246	generation
12956	deserves
1733	notice
795	importance
21	young
67	animal
19378	nourished
4228	protected
2955	parent
7165	characters
1601	acquired
1297	earlier
74	life
16840	signify
3282	instance
321	bird
660	obtained
966	food
1991	curved
318	beak
21	young
1393	possessed
318	beak
830	shape
2818	fed
1203	parents
1912	stated
2851	chapter
1829	age
2174	variation
851	appears
2955	parent
580	tends
14156	reappear
7029	corresponding
1829	age
1814	offspring
6816	variations
860	appear
7029	corresponding
5050	ages
3282	instance
1197	peculiarities
3617	caterpillar
3509	cocoon
68003	imago
125	states
3637	silk
3642	moth
498	full
2810	grown
16654	horns
4989	cattle
6816	variations
486	see
886	appeared
1297	earlier
74	life
5421	tend
14156	reappear
7029	corresponding
1829	age
1814	offspring
2955	parent
3778	meaning
1454	invariably
2331	case
13	give
6003	exceptional
2643	cases
6816	variations
900	taking
2472	word
1344	largest
2096	sense
52331	supervened
1297	earlier
1829	age
505	child
2955	parent
7546	principles
7117	namely
972	slight
6816	variations
1538	generally
860	appear
2772	period
74	life
6959	inherited
7029	corresponding
2772	period
2177	explain
5363	believe
9427	specified
4633	leading
1651	facts
67157	embryology
1506	let
1851	look
3285	analogous
2643	cases
2897	domestic
2149	varieties
17166	authors
5528	written
5673	dogs
1837	maintain
65262	greyhound
10423	bull
2093	dog
796	closely
797	allied
2149	varieties
3199	descended
343	wild
3020	stock
2289	hence
1918	curious
486	see
40031	puppies
7649	differed
282	told
58772	breeders
7649	differed
1203	parents
7806	judging
1315	eye
2098	seemed
2331	case
2765	actually
1784	measuring
359	old
5673	dogs
259	days
359	old
40031	puppies
670	found
40031	puppies
1601	acquired
813	nearly
498	full
2719	amount
22528	proportional
2178	difference
282	told
66290	foals
4651	cart
3093	race
2741	horses
5047	breeds
716	wholly
981	formed
6819	selection
2345	domestication
7649	differed
498	full
2810	grown
293	animals
805	careful
7788	measurements
413	made
8211	dams
259	days
359	old
9052	colts
3093	race
4309	heavy
4651	cart
2741	horses
540	find
553	means
2331	case
21464	conclusive
1238	evidence
5047	breeds
2869	pigeon
3199	descended
2168	single
343	wild
1330	species
894	compared
21	young
4324	pigeons
1609	twelve
668	hours
991	hatched
1214	carefully
2136	measured
814	proportions
13	give
6559	details
318	beak
2141	width
749	mouth
1758	length
11768	nostril
52359	eyelid
885	size
1346	feet
1758	length
1481	leg
343	wild
2955	parent
1330	species
67203	pouters
67202	fantails
67187	runts
66365	barbs
7243	dragons
23589	carriers
28374	tumblers
294	birds
3331	mature
994	differ
6094	extraordinary
1296	manner
1758	length
838	form
318	beak
7165	characters
1438	certainly
23458	ranked
2115	distinct
6233	genera
670	found
1032	state
439	nature
51129	nestling
294	birds
5047	breeds
750	placed
5702	row
2971	distinguished
22528	proportional
2147	differences
9427	specified
2438	points
33207	incomparably
498	full
2810	grown
294	birds
906	characteristic
2438	points
2178	difference
3282	instance
2141	width
749	mouth
2709	hardly
2285	detected
21	young
841	remarkable
4318	exception
426	rule
21	young
8093	faced
7262	tumbler
7649	differed
21	young
343	wild
3146	rock
2869	pigeon
5047	breeds
2153	exactly
814	proportions
1825	adult
2798	stage
1651	facts
8494	explained
7546	principles
64576	fanciers
7287	select
5673	dogs
2741	horses
4324	pigeons
197	etc
3338	breeding
813	nearly
2810	grown
5568	indifferent
5948	desired
5331	qualities
1601	acquired
1297	earlier
74	life
498	full
2810	grown
67	animal
4110	possesses
2643	cases
1510	given
1731	especially
4324	pigeons
1725	show
906	characteristic
2147	differences
7673	accumulated
303	man
6819	selection
13	give
463	value
5047	breeds
1538	generally
860	appear
2772	period
74	life
6959	inherited
7029	corresponding
2772	period
2331	case
8093	faced
7262	tumbler
1609	twelve
668	hours
359	old
1393	possessed
514	proper
7165	characters
2610	proves
3463	universal
426	rule
906	characteristic
2147	differences
886	appeared
1297	earlier
2772	period
1461	usual
2147	differences
6959	inherited
7029	corresponding
1297	earlier
1829	age
1506	let
477	apply
7546	principles
1330	species
1032	state
439	nature
1506	let
953	take
2846	group
294	birds
3199	descended
4347	ancient
838	form
6124	modified
4	natural
6819	selection
1240	habits
972	slight
3697	successive
6816	variations
52331	supervened
1330	species
1829	age
6959	inherited
7029	corresponding
1829	age
21	young
6124	modified
1957	resemble
796	closely
3947	adults
417	seen
5047	breeds
2869	pigeon
1795	extend
4991	view
2585	widely
2115	distinct
4560	structures
5039	classes
7181	fore
1533	limbs
3282	instance
6266	served
743	legs
4174	remote
18262	progenitor
644	become
954	course
973	modification
4233	adapted
25979	descendant
1178	act
643	hands
8026	paddles
742	wings
7546	principles
7181	fore
1533	limbs
6124	modified
46033	embryos
2162	forms
838	form
7181	fore
2311	limb
994	differ
1414	greatly
1825	adult
1032	state
5076	influence
649	continued
7	use
10544	disuse
40741	modifying
1533	limbs
748	parts
1330	species
767	chiefly
5258	solely
5522	affected
813	nearly
3331	mature
7373	compelled
7	use
498	full
508	powers
5062	gain
17321	effects
659	thus
40	produced
7954	transmitted
1814	offspring
7029	corresponding
813	nearly
3331	mature
1829	age
659	thus
21	young
6124	modified
6124	modified
972	slight
2069	degree
17321	effects
5105	increased
7	use
10544	disuse
748	parts
293	animals
3697	successive
6816	variations
52331	supervened
2772	period
74	life
3175	steps
6959	inherited
1297	earlier
1829	age
7767	occurred
2643	cases
21	young
17631	embryo
796	closely
1957	resemble
3331	mature
2955	parent
838	form
417	seen
8093	faced
7262	tumbler
426	rule
955	development
2830	groups
7271	sub
2830	groups
354	cuttle
355	fish
274	land
488	shells
568	fresh
635	water
3728	crustaceans
337	spiders
2376	members
790	great
3195	class
1699	insects
968	respect
544	final
3893	cause
21	young
2830	groups
450	passing
6708	metamorphosis
486	see
5123	follow
38825	contingencies
7117	namely
21	young
9420	provide
1829	age
2973	wants
1240	habits
74	life
1203	parents
2331	case
4439	indispensable
844	existence
6124	modified
1296	manner
1203	parents
968	respect
1634	singular
714	fact
3300	terrestrial
568	fresh
635	water
293	animals
3128	undergo
6708	metamorphosis
5604	marine
2376	members
2830	groups
587	pass
6	various
8348	transformations
31999	fritz
27889	muller
1263	suggested
648	process
1833	slowly
40741	modifying
6775	adapting
67	animal
1653	live
274	land
568	fresh
635	water
2785	instead
65	sea
1414	greatly
7634	simplified
450	passing
3409	larval
2798	stage
855	probable
1184	places
4233	adapted
3409	larval
3331	mature
3429	stages
1414	greatly
1086	changed
1240	habits
74	life
1561	commonly
670	found
34873	unoccupied
1753	occupied
21525	organisms
2331	case
1642	gradual
6825	acquirement
1297	earlier
1297	earlier
1829	age
1825	adult
679	structure
9629	favoured
4	natural
6819	selection
6836	traces
116	former
19172	metamorphoses
4184	finally
465	lost
418	hand
33742	profited
21	young
67	animal
5123	follow
1240	habits
74	life
1495	slightly
2955	parent
838	form
5341	consequently
4580	constructed
1495	slightly
3365	plan
33742	profited
3639	larva
2955	parent
889	change
1012	further
1151	principle
1200	inheritance
7029	corresponding
5050	ages
21	young
22771	larvae
655	rendered
4	natural
6819	selection
1203	parents
12842	conceivable
1341	extent
2147	differences
3639	larva
644	become
67141	correlated
3697	successive
3429	stages
955	development
3639	larva
2798	stage
1070	come
994	differ
1414	greatly
3639	larva
2798	stage
2331	case
293	animals
1825	adult
644	become
979	fitted
40355	sites
1240	habits
1589	organs
1590	locomotion
7498	senses
197	etc
5281	useless
2331	case
6708	metamorphosis
20188	retrograde
2086	remarks
413	made
486	see
952	changes
679	structure
21	young
5955	conformity
1086	changed
1240	habits
74	life
1200	inheritance
7029	corresponding
5050	ages
293	animals
1070	come
587	pass
3429	stages
955	development
1323	perfectly
2115	distinct
67089	primordial
725	condition
1825	adult
18252	progenitors
6811	authorities
8773	convinced
6	various
3409	larval
3666	pupal
3429	stages
1699	insects
659	thus
1601	acquired
6997	adaptation
1200	inheritance
4347	ancient
838	form
1918	curious
2331	case
8349	sitaris
3758	beetle
1300	passes
2314	unusual
3429	stages
955	development
8788	illustrate
1798	occur
3409	larval
838	form
2395	described
6222	fabre
735	active
673	minute
1083	insect
4975	furnished
743	legs
54287	antennae
1740	eyes
22771	larvae
991	hatched
311	nests
5346	bees
1183	male
5346	bees
3810	emerge
3538	burrows
879	spring
1710	females
22771	larvae
879	spring
4367	afterwards
3571	crawl
1710	females
68004	paired
1806	males
1688	female
3942	bee
3438	deposits
753	eggs
935	surface
5839	honey
4032	stored
3551	cells
22771	larvae
8349	sitaris
1109	leap
753	eggs
1701	devour
4367	afterwards
3128	undergo
4774	complete
889	change
1740	eyes
1088	disappear
743	legs
54287	antennae
644	become
943	rudimentary
2821	feed
5839	honey
796	closely
1957	resemble
1264	ordinary
22771	larvae
1699	insects
7745	ultimately
3128	undergo
1012	further
7728	transformation
4184	finally
3810	emerge
947	perfect
3758	beetle
1083	insect
14933	undergoing
8348	transformations
8349	sitaris
644	become
18262	progenitor
3195	class
1699	insects
954	course
955	development
3195	class
2585	widely
1138	existing
1699	insects
3409	larval
2798	stage
1438	certainly
3475	represent
116	former
725	condition
1825	adult
4347	ancient
838	form
418	hand
2089	highly
855	probable
293	animals
46159	embryonic
3409	larval
3429	stages
1725	show
1628	completely
725	condition
18262	progenitor
2846	group
1825	adult
1032	state
790	great
3195	class
64676	crustacea
2162	forms
6376	wonderfully
2115	distinct
7117	namely
67971	suctorial
3110	parasites
67337	cirripedes
68005	entomostraca
68006	malacostraca
860	appear
22771	larvae
67997	nauplius
838	form
22771	larvae
1653	live
2821	feed
65	sea
4233	adapted
1567	peculiar
1240	habits
74	life
8492	reasons
10005	assigned
31999	fritz
27889	muller
855	probable
4174	remote
2772	period
1558	independent
1825	adult
67	animal
1398	resembling
67997	nauplius
5061	existed
7669	subsequently
40	produced
8542	divergent
4263	lines
5736	descent
7312	named
790	great
67826	crustacean
2830	groups
855	probable
420	know
46033	embryos
1572	mammals
294	birds
295	fishes
2813	reptiles
293	animals
6124	modified
8275	descendants
4347	ancient
18262	progenitor
4975	furnished
1825	adult
1032	state
67467	branchiae
1110	swim
1050	bladder
2929	fin
1533	limbs
3136	tail
979	fitted
3298	aquatic
74	life
21627	organic
1021	beings
3469	extinct
2405	recent
1360	lived
3680	arranged
790	great
5039	classes
3195	class
1123	according
6055	theory
3553	connected
627	fine
10254	gradations
1257	collections
813	nearly
947	perfect
2496	arrangement
35154	genealogical
5736	descent
3852	hidden
13729	bond
39519	connexion
415	naturalists
3632	seeking
2481	term
4	natural
4412	system
4991	view
5860	understand
1740	eyes
415	naturalists
679	structure
17631	embryo
7167	classification
1825	adult
2830	groups
293	animals
994	differ
679	structure
1240	habits
1825	adult
725	condition
587	pass
796	closely
706	similar
46159	embryonic
3429	stages
1190	feel
7685	assured
3199	descended
2955	parent
838	form
834	therefore
796	closely
592	related
659	thus
2562	community
46159	embryonic
679	structure
3534	reveals
2562	community
5736	descent
67754	dissimilarity
46159	embryonic
955	development
2182	prove
68007	discommunity
5736	descent
2830	groups
8344	developmental
3429	stages
4397	suppressed
1414	greatly
6124	modified
6997	adaptation
1240	habits
74	life
2543	longer
59305	recognisable
2830	groups
3947	adults
6124	modified
1176	extreme
2069	degree
2562	community
2474	origin
9943	revealed
679	structure
22771	larvae
417	seen
3282	instance
67337	cirripedes
41551	externally
355	fish
664	known
22771	larvae
2937	belong
790	great
3195	class
3728	crustaceans
17631	embryo
2201	shows
3733	plainly
679	structure
6124	modified
4347	ancient
18262	progenitor
2846	group
486	see
876	why
4347	ancient
3469	extinct
2162	forms
1957	resemble
1825	adult
1032	state
46033	embryos
1138	existing
1330	species
3195	class
517	agassiz
7826	believes
3463	universal
3174	law
439	nature
1206	hope
2995	hereafter
486	see
3174	law
2412	proved
2412	proved
2643	cases
4347	ancient
1032	state
18262	progenitor
2846	group
716	wholly
10583	obliterated
3697	successive
6816	variations
52331	supervened
2772	period
298	growth
6816	variations
6959	inherited
1297	earlier
1829	age
886	appeared
2442	borne
2443	mind
3174	law
3357	owing
6220	geological
5402	record
2078	extending
607	time
656	remain
2772	period
11414	incapable
11720	demonstration
3174	law
6020	strictly
1067	hold
1205	good
2643	cases
4347	ancient
838	form
4676	became
4233	adapted
3409	larval
1032	state
3915	line
74	life
7954	transmitted
3409	larval
1032	state
2846	group
8275	descendants
3409	larval
1032	state
1957	resemble
4347	ancient
838	form
1825	adult
1032	state
659	thus
1193	seems
4633	leading
1651	facts
67157	embryology
795	importance
8494	explained
1151	principle
6816	variations
8275	descendants
4347	ancient
18262	progenitor
886	appeared
2772	period
74	life
6959	inherited
7029	corresponding
2772	period
67157	embryology
2640	rises
1414	greatly
444	interest
1851	look
17631	embryo
6953	picture
13287	obscured
18262	progenitor
1825	adult
3409	larval
1032	state
2376	members
790	great
3195	class
943	rudimentary
62143	atrophied
67191	aborted
1589	organs
1589	organs
748	parts
305	strange
725	condition
3297	bearing
4597	plain
19780	stamp
67519	inutility
2232	extremely
733	common
915	general
439	nature
1579	impossible
2109	name
1027	higher
293	animals
839	part
943	rudimentary
725	condition
7172	mammalia
3282	instance
1806	males
1302	possess
943	rudimentary
64421	mammae
347	snakes
7482	lobe
1037	lungs
943	rudimentary
294	birds
41488	bastard
3875	wing
1218	safely
2092	considered
943	rudimentary
60237	digit
1330	species
3875	wing
943	rudimentary
1644	flight
1918	curious
2287	presence
1225	teeth
68008	foetal
7176	whales
2810	grown
3461	tooth
888	heads
1225	teeth
1224	cut
22009	gums
1040	upper
2061	jaws
12801	unborn
6876	calves
943	rudimentary
1589	organs
3733	plainly
12215	declare
2474	origin
3778	meaning
6	various
446	ways
3654	beetles
5238	belonging
796	closely
797	allied
1330	species
997	identical
1330	species
498	full
3647	sized
947	perfect
742	wings
2116	mere
7034	rudiments
3588	membrane
1373	rarely
3275	lie
3875	wing
1932	covers
5938	firmly
7193	soldered
2643	cases
1579	impossible
3896	doubt
7034	rudiments
3475	represent
742	wings
943	rudimentary
1589	organs
3695	retain
68009	potentiality
1744	occasionally
1787	occurs
64421	mammae
1183	male
1572	mammals
664	known
644	become
946	developed
11032	secrete
2835	milk
67171	udders
2434	genus
48137	bos
21534	normally
946	developed
943	rudimentary
64472	teats
2330	latter
2897	domestic
2831	cows
644	become
946	developed
12343	yield
2835	milk
6812	regard
447	plants
8413	petals
943	rudimentary
946	developed
2142	individuals
1330	species
447	plants
942	separated
4342	sexes
67169	kolreuter
670	found
5793	crossing
1330	species
1183	male
588	flowers
16	included
983	rudiment
17974	pistil
67246	hermaphrodite
1330	species
954	course
946	developed
17974	pistil
983	rudiment
21265	hybrid
1814	offspring
5105	increased
885	size
2751	clearly
2201	shows
943	rudimentary
947	perfect
21233	pistils
484	essentially
2154	alike
439	nature
67	animal
1302	possess
6	various
748	parts
947	perfect
1032	state
2096	sense
943	rudimentary
5281	useless
659	thus
1031	tadpole
733	common
33696	salamander
635	water
3344	newt
390	mr
42827	lewes
2086	remarks
1034	gills
1300	passes
844	existence
635	water
68010	salamandra
68011	atra
1002	lives
1791	mountains
520	brings
1144	forth
21	young
498	full
981	formed
67	animal
1002	lives
635	water
61793	gravid
1688	female
540	find
1201	tadpoles
2918	exquisitely
5166	feathered
1034	gills
750	placed
635	water
1110	swim
1201	tadpoles
635	water
3344	newt
7010	obviously
3298	aquatic
12920	organisation
4601	reference
2984	future
74	life
67	animal
6997	adaptation
46159	embryonic
725	condition
5258	solely
4601	reference
10905	ancestral
7024	adaptations
26909	repeats
15502	phase
955	development
18252	progenitors
1412	organ
1873	serving
1045	purposes
644	become
943	rudimentary
10231	utterly
67191	aborted
1091	purpose
656	remain
1323	perfectly
2253	efficient
659	thus
447	plants
4310	office
17974	pistil
5278	allow
5829	pollen
5842	tubes
4599	reach
21393	ovules
67521	ovarium
17974	pistil
608	consists
49180	stigma
1990	supported
433	style
67399	compositae
1183	male
67397	florets
954	course
53745	fecundated
943	rudimentary
17974	pistil
14887	crowned
49180	stigma
433	style
525	remains
946	developed
7723	clothed
1461	usual
1296	manner
2512	hairs
5879	serve
3471	brush
5829	pollen
4147	surrounding
61532	conjoined
21228	anthers
1412	organ
644	become
943	rudimentary
514	proper
1091	purpose
2115	distinct
295	fishes
1110	swim
1050	bladder
1193	seems
943	rudimentary
514	proper
5970	function
1638	giving
38887	buoyancy
644	become
5392	converted
45420	nascent
1044	breathing
1412	organ
1042	lung
706	similar
2746	instances
1510	given
5124	useful
1589	organs
946	developed
1765	reason
2309	suppose
2647	formerly
2089	highly
946	developed
2092	considered
943	rudimentary
45420	nascent
725	condition
1528	progress
1012	further
955	development
943	rudimentary
1589	organs
418	hand
5281	useless
1225	teeth
1224	cut
22009	gums
5281	useless
742	wings
3488	ostrich
5879	serve
449	merely
26256	sails
1589	organs
725	condition
2647	formerly
946	developed
7	use
2647	formerly
40	produced
2174	variation
4	natural
6819	selection
2684	acts
5258	solely
13231	preservation
5124	useful
8343	modifications
3489	partially
8434	retained
1627	power
1200	inheritance
4405	relate
116	former
1032	state
530	things
1242	difficult
877	distinguish
943	rudimentary
45420	nascent
1589	organs
5210	judge
2239	analogy
839	part
1822	capable
1012	further
955	development
2331	case
12956	deserves
661	called
45420	nascent
1589	organs
725	condition
1026	somewhat
1875	rare
1021	beings
659	thus
1561	commonly
23695	supplanted
25286	successors
1412	organ
947	perfect
1032	state
5341	consequently
644	become
3469	extinct
3875	wing
67433	penguin
5228	service
5135	acting
2929	fin
834	therefore
3475	represent
45420	nascent
1032	state
3875	wing
5363	believe
2331	case
2839	reduced
1412	organ
6124	modified
5970	function
3875	wing
67068	apteryx
418	hand
5281	useless
3138	truly
943	rudimentary
2213	owen
8776	considers
515	simple
68012	filamentary
1533	limbs
67347	lepidosiren
419	beginnings
1589	organs
883	attain
498	full
22339	functional
955	development
1027	higher
2750	vertebrates
1123	according
4991	view
2359	lately
25630	advocated
1355	dr
65732	gunther
21871	remnants
2044	consisting
12911	persistent
16951	axis
2929	fin
2127	lateral
6504	rays
1543	branches
67191	aborted
61503	mammary
7171	glands
67346	ornithorhynchus
2092	considered
2675	comparison
67171	udders
356	cow
45420	nascent
725	condition
67472	ovigerous
67473	frena
67337	cirripedes
4212	ceased
13	give
12128	attachment
67476	ova
9955	feebly
946	developed
45420	nascent
67467	branchiae
943	rudimentary
1589	organs
2142	individuals
1330	species
4608	liable
847	vary
2069	degree
955	development
845	respects
796	closely
797	allied
1330	species
1341	extent
1412	organ
2839	reduced
1744	occasionally
8723	differs
2330	latter
714	fact
6592	exemplified
1032	state
742	wings
1688	female
3918	moths
5238	belonging
1161	family
943	rudimentary
1589	organs
10231	utterly
67191	aborted
5343	implies
293	animals
447	plants
748	parts
781	entirely
7733	absent
2239	analogy
4066	lead
8353	expect
540	find
1744	occasionally
670	found
11161	monstrous
2142	individuals
659	thus
68013	scrophulariaceae
5957	fifth
67525	stamen
10231	utterly
67191	aborted
4410	conclude
5957	fifth
67525	stamen
5061	existed
983	rudiment
670	found
1330	species
1161	family
983	rudiment
1744	occasionally
762	becomes
1323	perfectly
946	developed
417	seen
733	common
4211	snap
7925	dragon
14065	tracing
67972	homologies
839	part
2376	members
3195	class
733	common
534	order
2536	fully
5860	understand
501	relations
748	parts
5124	useful
6689	discovery
7034	rudiments
807	shown
17204	drawings
1510	given
2213	owen
1481	leg
778	bones
2870	horse
12050	ox
9186	rhinoceros
714	fact
943	rudimentary
1589	organs
1225	teeth
1040	upper
2061	jaws
7176	whales
22262	ruminants
2285	detected
17631	embryo
4367	afterwards
716	wholly
1088	disappear
5363	believe
3463	universal
426	rule
943	rudimentary
839	part
731	greater
885	size
17631	embryo
2815	relatively
4881	adjoining
748	parts
1825	adult
1412	organ
1829	age
943	rudimentary
867	said
2069	degree
943	rudimentary
2289	hence
943	rudimentary
1589	organs
1825	adult
867	said
8434	retained
46159	embryonic
725	condition
1510	given
4633	leading
1651	facts
968	respect
943	rudimentary
1589	organs
11122	reflecting
6185	struck
8460	astonishment
6216	reasoning
1627	power
3091	tells
748	parts
1589	organs
2918	exquisitely
4233	adapted
1045	purposes
3091	tells
2332	equal
20104	plainness
943	rudimentary
62143	atrophied
1589	organs
8027	imperfect
5281	useless
918	works
4	natural
5	history
943	rudimentary
1589	organs
1538	generally
867	said
2826	created
7353	sake
4797	symmetry
534	order
4774	complete
11270	scheme
439	nature
6958	explanation
449	merely
34468	restatement
714	fact
6446	consistent
659	thus
23256	boa
7609	constrictor
7034	rudiments
1532	hind
1533	limbs
1951	pelvis
867	said
778	bones
8434	retained
4774	complete
11270	scheme
439	nature
876	why
200	professor
29381	weismann
5551	asks
8434	retained
347	snakes
1302	possess
10335	vestige
778	bones
1672	thought
220	astronomer
6896	maintained
50965	satellites
6506	revolve
65348	elliptic
5518	courses
26178	planets
7353	sake
4797	symmetry
26178	planets
659	thus
6506	revolve
1921	sun
6558	eminent
7040	physiologist
1298	accounts
2287	presence
943	rudimentary
1589	organs
5879	serve
6883	excrete
428	matter
3702	excess
428	matter
3892	injurious
4412	system
2309	suppose
673	minute
68014	papilla
7194	represents
17974	pistil
1183	male
588	flowers
981	formed
2116	mere
8019	cellular
12971	tissue
659	thus
1178	act
2309	suppose
943	rudimentary
1225	teeth
7669	subsequently
4120	absorbed
3880	beneficial
3170	rapidly
1832	growing
46159	embryonic
2833	calf
6691	removing
428	matter
3323	precious
49641	phosphate
785	lime
303	man
1706	fingers
36283	amputated
8027	imperfect
10570	nails
664	known
860	appear
3939	stumps
5363	believe
32986	vestiges
10570	nails
946	developed
534	order
6883	excrete
849	horny
428	matter
943	rudimentary
10570	nails
2929	fin
44604	manatee
946	developed
1091	purpose
4991	view
5736	descent
973	modification
2474	origin
943	rudimentary
1589	organs
1062	comparatively
515	simple
5860	understand
1341	extent
509	laws
8726	governing
8027	imperfect
955	development
766	plenty
2643	cases
943	rudimentary
1589	organs
2897	domestic
26943	productions
3781	stump
3136	tail
63500	tailless
5047	breeds
10335	vestige
613	ear
68015	earless
5047	breeds
3885	sheep
33574	reappearance
673	minute
12685	dangling
16654	horns
64136	hornless
5047	breeds
4989	cattle
1731	especially
1123	according
67221	youatt
21	young
293	animals
1032	state
939	flower
40980	cauliflower
486	see
7034	rudiments
6	various
748	parts
9325	monsters
3896	doubt
2643	cases
1626	throw
3104	light
2474	origin
943	rudimentary
1589	organs
1032	state
439	nature
1012	further
2301	showing
7034	rudiments
40	produced
1492	balance
1238	evidence
2751	clearly
12582	indicates
1330	species
439	nature
3128	undergo
790	great
10518	abrupt
952	changes
3167	learn
470	study
2897	domestic
26943	productions
10544	disuse
748	parts
1013	leads
2839	reduced
885	size
1363	result
6959	inherited
851	appears
855	probable
10544	disuse
3217	main
6193	agent
4696	rendering
1589	organs
943	rudimentary
4066	lead
1818	slow
3175	steps
4774	complete
21893	reduction
839	part
4676	became
943	rudimentary
2331	case
1740	eyes
293	animals
4044	inhabiting
2516	dark
4916	caverns
742	wings
294	birds
4044	inhabiting
49883	oceanic
1333	islands
2322	seldom
7901	forced
7127	beasts
332	prey
953	take
1644	flight
7745	ultimately
465	lost
1627	power
1571	flying
1412	organ
5124	useful
539	conditions
644	become
3892	injurious
1025	others
742	wings
3654	beetles
4079	exposed
1333	islands
2331	case
4	natural
6819	selection
7820	aided
6199	reducing
1412	organ
655	rendered
3753	harmless
943	rudimentary
889	change
679	structure
5970	function
1531	effected
3429	stages
1627	power
4	natural
6819	selection
1412	organ
655	rendered
1086	changed
1240	habits
74	life
5281	useless
3892	injurious
1091	purpose
6124	modified
1091	purpose
1412	organ
8434	retained
116	former
1024	functions
1589	organs
6818	originally
981	formed
3277	aid
4	natural
6819	selection
655	rendered
5281	useless
925	variable
6816	variations
2543	longer
2757	checked
4	natural
6819	selection
5034	agrees
486	see
439	nature
932	moreover
2772	period
74	life
10544	disuse
6819	selection
4440	reduces
1412	organ
1538	generally
1070	come
2760	maturity
21131	exert
498	full
508	powers
469	action
1151	principle
1200	inheritance
7029	corresponding
5050	ages
5421	tend
957	reproduce
1412	organ
2839	reduced
1032	state
3331	mature
1829	age
2322	seldom
1959	affect
17631	embryo
659	thus
5860	understand
731	greater
885	size
943	rudimentary
1589	organs
17631	embryo
2815	relatively
4881	adjoining
748	parts
7536	lesser
730	relative
885	size
1825	adult
3282	instance
60237	digit
1825	adult
67	animal
2811	generations
3357	owing
889	change
1240	habits
1412	organ
60264	gland
67421	functionally
14249	exercised
8474	infer
644	become
2839	reduced
885	size
1825	adult
8275	descendants
67	animal
3695	retain
813	nearly
493	original
1124	standard
955	development
17631	embryo
525	remains
2125	difficulty
1412	organ
4212	ceased
644	become
1817	consequence
2839	reduced
1012	further
2839	reduced
885	size
33429	merest
10335	vestige
4184	finally
10583	obliterated
4280	scarcely
10544	disuse
1824	go
5922	producing
1012	further
5087	effect
1412	organ
655	rendered
68016	functionless
1313	additional
6958	explanation
19364	requisite
13	give
3282	instance
2412	proved
839	part
12920	organisation
580	tends
847	vary
731	greater
2069	degree
22184	diminution
39737	augmentation
885	size
1172	able
5860	understand
1412	organ
644	become
5281	useless
655	rendered
3421	independently
17321	effects
10544	disuse
943	rudimentary
716	wholly
4397	suppressed
6816	variations
1354	diminished
885	size
2543	longer
2757	checked
4	natural
6819	selection
1151	principle
2876	economy
298	growth
8494	explained
116	former
2851	chapter
917	materials
763	forming
839	part
5124	useful
3389	possessor
7123	saved
1070	come
5809	play
4696	rendering
5281	useless
839	part
943	rudimentary
1151	principle
5327	necessarily
5200	confined
1297	earlier
3429	stages
648	process
21893	reduction
2309	suppose
673	minute
68014	papilla
3282	instance
2005	representing
1183	male
939	flower
17974	pistil
1688	female
939	flower
981	formed
449	merely
8019	cellular
12971	tissue
1012	further
2839	reduced
4120	absorbed
7353	sake
67695	economising
2014	nutriment
4184	finally
943	rudimentary
1589	organs
3175	steps
12319	degraded
5281	useless
725	condition
5402	record
116	former
1032	state
530	things
8434	retained
5258	solely
1627	power
1200	inheritance
5860	understand
35154	genealogical
4991	view
7167	classification
65720	systematists
1525	placing
21525	organisms
514	proper
1184	places
4	natural
4412	system
670	found
943	rudimentary
748	parts
5124	useful
5124	useful
748	parts
7045	physiological
795	importance
943	rudimentary
1589	organs
894	compared
9216	letters
2472	word
8434	retained
15298	spelling
644	become
5281	useless
12704	pronunciation
5879	serve
6920	clue
7058	derivation
4991	view
5736	descent
973	modification
4410	conclude
844	existence
1589	organs
943	rudimentary
8027	imperfect
5281	useless
725	condition
67191	aborted
2590	presenting
305	strange
2125	difficulty
10576	assuredly
359	old
14371	doctrine
6824	creation
16175	anticipated
7448	accordance
14503	views
8494	explained
22545	summary
2851	chapter
2225	attempted
1725	show
2496	arrangement
21627	organic
1021	beings
607	time
2830	groups
2830	groups
439	nature
43827	relationships
3469	extinct
21525	organisms
124	united
6319	complex
37248	radiating
67355	circuitous
4263	lines
43973	affinities
4499	grand
5039	classes
9365	rules
1189	followed
1276	difficulties
2574	encountered
415	naturalists
46254	classifications
463	value
36	set
7165	characters
3137	constant
8317	prevalent
6280	trifling
795	importance
943	rudimentary
1589	organs
795	importance
1670	wide
6360	opposition
463	value
67158	analogical
7033	adaptive
7165	characters
7165	characters
21815	affinity
9365	rules
1683	naturally
5123	follow
5314	admit
733	common
15008	parentage
797	allied
2162	forms
973	modification
2174	variation
4	natural
6819	selection
38825	contingencies
20063	extinction
46257	divergence
35	character
4991	view
7167	classification
2442	borne
2443	mind
452	element
5736	descent
20962	universally
20933	ranking
4342	sexes
5050	ages
21205	dimorphic
2162	forms
10464	acknowledged
2149	varieties
1330	species
994	differ
679	structure
1795	extend
7	use
452	element
5736	descent
1438	certainly
664	known
3893	cause
2460	similarity
21627	organic
1021	beings
5860	understand
2074	meant
4	natural
4412	system
35154	genealogical
2225	attempted
2496	arrangement
3202	grades
1601	acquired
2178	difference
437	marked
14	terms
2149	varieties
1330	species
6233	genera
2718	families
5873	orders
5039	classes
4991	view
5736	descent
973	modification
790	great
1651	facts
1020	morphology
644	become
11717	intelligible
1851	look
2992	pattern
4361	displayed
1330	species
3195	class
27996	homologous
1589	organs
1091	purpose
933	applied
46258	serial
2127	lateral
67972	homologies
2143	individual
67	animal
621	plant
1151	principle
3697	successive
972	slight
6816	variations
5327	necessarily
1538	generally
67159	supervening
2772	period
74	life
6959	inherited
7029	corresponding
2772	period
5860	understand
4633	leading
1651	facts
67157	embryology
7117	namely
7383	resemblance
2143	individual
17631	embryo
748	parts
27996	homologous
21514	matured
644	become
2585	widely
679	structure
5970	function
7383	resemblance
27996	homologous
748	parts
1589	organs
797	allied
2115	distinct
1330	species
979	fitted
1825	adult
1032	state
1240	habits
22771	larvae
735	active
46033	embryos
644	become
2204	specially
6124	modified
731	greater
2069	degree
313	relation
1240	habits
74	life
8343	modifications
6959	inherited
7029	corresponding
1829	age
7546	principles
3297	bearing
2443	mind
1589	organs
2839	reduced
885	size
10544	disuse
4	natural
6819	selection
1538	generally
2772	period
74	life
9420	provide
2973	wants
3297	bearing
2443	mind
2341	strong
2245	force
1200	inheritance
2645	occurrence
943	rudimentary
1589	organs
16175	anticipated
795	importance
67161	embryological
7165	characters
943	rudimentary
1589	organs
7167	classification
11717	intelligible
4991	view
4	natural
2496	arrangement
35154	genealogical
4184	finally
5039	classes
1651	facts
2092	considered
2851	chapter
1125	seem
5737	proclaim
3733	plainly
602	innumerable
1330	species
6233	genera
2718	families
535	world
10361	peopled
3199	descended
3195	class
2846	group
733	common
1203	parents
6124	modified
954	course
5736	descent
6262	hesitation
23730	adopt
4991	view
17994	unsupported
1651	facts
17001	arguments
2851	chapter
268	xv
48849	recapitulation
6630	conclusion
48849	recapitulation
23735	objections
6055	theory
4	natural
6819	selection
48849	recapitulation
915	general
2364	circumstances
9755	favour
6065	causes
915	general
5542	belief
35928	immutability
1330	species
6055	theory
4	natural
6819	selection
2600	extended
17321	effects
2256	adoption
470	study
4	natural
5	history
14524	concluding
2086	remarks
24	volume
2247	argument
1317	convenient
5352	reader
4633	leading
1651	facts
18117	inferences
5010	briefly
68017	recapitulated
576	serious
23735	objections
2738	advanced
6055	theory
5736	descent
973	modification
2174	variation
4	natural
6819	selection
11398	deny
39925	endeavoured
13	give
498	full
2245	force
860	appear
1242	difficult
5363	believe
6319	complex
1589	organs
3187	instincts
1058	perfected
553	means
4513	superior
3285	analogous
2019	human
1765	reason
4302	accumulation
602	innumerable
972	slight
6816	variations
1205	good
2143	individual
3389	possessor
2125	difficulty
4475	appearing
457	imagination
68018	insuperably
790	great
2092	considered
5314	admit
33907	propositions
7117	namely
748	parts
12920	organisation
3187	instincts
2160	offer
2143	individual
2147	differences
3075	struggle
844	existence
4633	leading
13231	preservation
12100	profitable
28622	deviations
679	structure
1174	instinct
5177	lastly
10254	gradations
1032	state
6148	perfection
1412	organ
5061	existed
1205	good
958	kind
462	truth
33907	propositions
1260	think
18503	disputed
3896	doubt
2232	extremely
1242	difficult
18602	conjecture
10254	gradations
4560	structures
1058	perfected
1731	especially
1673	broken
2830	groups
21627	organic
1021	beings
10194	suffered
20063	extinction
486	see
305	strange
10254	gradations
439	nature
2232	extremely
13102	cautious
6149	saying
1412	organ
1174	instinct
679	structure
7319	arrived
1032	state
6919	graduated
3175	steps
1301	admitted
2643	cases
2125	difficulty
12744	opposed
6055	theory
4	natural
6819	selection
1918	curious
844	existence
2562	community
7118	defined
6807	castes
5193	workers
32691	sterile
1688	female
336	ants
2225	attempted
1725	show
1276	difficulties
33644	mastered
968	respect
3463	universal
18823	sterility
1330	species
2356	crossed
2162	forms
841	remarkable
7738	contrast
3463	universal
22934	fertility
2149	varieties
2356	crossed
1367	refer
5352	reader
48849	recapitulation
1651	facts
1510	given
612	end
6367	ninth
2851	chapter
1125	seem
34993	conclusively
1725	show
18823	sterility
50673	endowment
6725	incapacity
2115	distinct
2013	kinds
1377	trees
57651	grafted
9484	incidental
2147	differences
5200	confined
61494	reproductive
9586	systems
67165	intercrossed
1330	species
486	see
462	truth
6630	conclusion
1434	vast
2178	difference
5065	results
5793	crossing
1330	species
56559	reciprocally
1330	species
1194	father
1199	mother
2239	analogy
5118	consideration
21205	dimorphic
67333	trimorphic
447	plants
2751	clearly
1013	leads
6630	conclusion
2162	forms
67764	illegitimately
124	united
12343	yield
732	seed
1814	offspring
32691	sterile
2162	forms
2937	belong
12150	undoubted
1330	species
994	differ
968	respect
61494	reproductive
1589	organs
1024	functions
22934	fertility
2149	varieties
67165	intercrossed
34969	mongrel
1814	offspring
1709	asserted
17166	authors
3463	universal
2092	considered
1244	correct
1651	facts
1510	given
2323	authority
67330	gartner
67169	kolreuter
2149	varieties
23144	experimented
40	produced
2345	domestication
2345	domestication
2725	mean
2116	mere
7465	confinement
1438	certainly
580	tends
22017	eliminate
18823	sterility
7806	judging
2239	analogy
5522	affected
2955	parent
1330	species
67165	intercrossed
8353	expect
2345	domestication
12774	induce
18823	sterility
6124	modified
8275	descendants
2356	crossed
22153	elimination
18823	sterility
2022	apparently
5322	follows
3893	cause
24517	allows
2897	domestic
293	animals
4602	breed
2526	freely
8525	diversified
2364	circumstances
2022	apparently
5322	follows
945	gradually
7384	accustomed
2829	frequent
952	changes
539	conditions
74	life
2169	double
5987	parallel
951	series
1651	facts
1193	seems
1626	throw
3104	light
18823	sterility
1330	species
2356	crossed
21265	hybrid
1814	offspring
1503	side
1205	good
1765	reason
5363	believe
972	slight
952	changes
539	conditions
74	life
13	give
12111	vigour
22934	fertility
21627	organic
1021	beings
420	know
6474	cross
2115	distinct
2142	individuals
4463	variety
2115	distinct
2149	varieties
17329	increases
2554	number
1814	offspring
1438	certainly
695	gives
5105	increased
885	size
12111	vigour
767	chiefly
3357	owing
2162	forms
2356	crossed
4079	exposed
1026	somewhat
539	conditions
74	life
7656	ascertained
68019	labourious
951	series
5700	experiments
2142	individuals
4463	variety
6664	subjected
2811	generations
539	conditions
1205	good
835	derived
5793	crossing
1354	diminished
716	wholly
4629	disappears
1503	side
2331	case
1503	side
420	know
1330	species
4079	exposed
813	nearly
3977	uniform
539	conditions
6664	subjected
7465	confinement
1414	greatly
1086	changed
539	conditions
4974	perish
2732	survive
655	rendered
32691	sterile
7266	retaining
947	perfect
5139	health
1798	occur
972	slight
2069	degree
2017	domesticated
26943	productions
4079	exposed
16254	fluctuating
539	conditions
2289	hence
540	find
17449	hybrids
40	produced
6474	cross
2115	distinct
1330	species
2554	number
3357	owing
14618	perishing
13360	conception
1829	age
8721	surviving
655	rendered
32691	sterile
1193	seems
2089	highly
855	probable
1363	result
384	due
714	fact
6664	subjected
790	great
889	change
539	conditions
74	life
17366	compounded
2115	distinct
67762	organisations
2177	explain
893	definite
1296	manner
876	why
3282	instance
2575	elephant
4088	fox
4602	breed
7465	confinement
2268	native
1093	country
2897	domestic
7555	pig
2093	dog
4602	breed
2526	freely
8525	diversified
539	conditions
607	time
1172	able
13	give
893	definite
579	answer
577	question
876	why
2115	distinct
1330	species
2356	crossed
21265	hybrid
1814	offspring
1538	generally
655	rendered
32691	sterile
2017	domesticated
2149	varieties
2356	crossed
34969	mongrel
1814	offspring
1323	perfectly
7902	fertile
5070	turning
2426	geographical
2622	distribution
1276	difficulties
2574	encountered
6055	theory
5736	descent
973	modification
576	serious
2142	individuals
1330	species
1330	species
2434	genus
1027	higher
2846	group
3199	descended
733	common
1203	parents
834	therefore
1595	distant
3905	isolated
748	parts
535	world
670	found
954	course
3697	successive
2811	generations
6264	travelled
223	point
1025	others
716	wholly
2630	unable
18602	conjecture
1531	effected
1765	reason
5363	believe
1330	species
8434	retained
7817	specific
838	form
843	periods
607	time
23274	immensely
2136	measured
436	years
10220	stress
1185	laid
2255	occasional
1670	wide
7046	diffusion
1330	species
843	periods
1205	good
2717	chance
1670	wide
3963	migration
553	means
1673	broken
4012	interrupted
443	range
7523	accounted
20063	extinction
1330	species
2196	intermediate
1282	regions
13766	denied
6728	ignorant
498	full
1341	extent
6	various
67816	climatical
2426	geographical
952	changes
5522	affected
64	earth
6050	modern
843	periods
952	changes
7450	facilitated
3963	migration
699	example
2225	attempted
1725	show
12787	potent
5076	influence
8260	glacial
2772	period
2622	distribution
797	allied
1330	species
535	world
12761	profoundly
6728	ignorant
2255	occasional
553	means
13687	transport
968	respect
2115	distinct
1330	species
2434	genus
4044	inhabiting
1595	distant
3905	isolated
1282	regions
648	process
973	modification
5327	necessarily
1818	slow
553	means
3963	migration
2772	period
5341	consequently
2125	difficulty
1670	wide
7046	diffusion
1330	species
2434	genus
2069	degree
10861	lessened
1123	according
6055	theory
4	natural
6819	selection
33203	interminable
2554	number
2196	intermediate
2162	forms
5061	existed
24522	linking
1330	species
2846	group
10254	gradations
627	fine
1138	existing
2149	varieties
8041	asked
876	why
486	see
24522	linking
2162	forms
876	why
21627	organic
1021	beings
5750	blended
51877	inextricable
15297	chaos
968	respect
1138	existing
2162	forms
3198	remember
8353	expect
1875	rare
2643	cases
4123	discover
23335	connecting
4343	links
3469	extinct
23695	supplanted
838	form
1670	wide
2433	area
2772	period
1452	remained
7657	continuous
18391	climatic
539	conditions
74	life
889	change
15352	insensibly
4183	proceeding
5738	district
1753	occupied
1330	species
5738	district
1753	occupied
796	closely
797	allied
1330	species
8353	expect
540	find
2196	intermediate
2149	varieties
2196	intermediate
4569	zones
1765	reason
5363	believe
1330	species
2434	genus
3128	undergo
889	change
1330	species
3504	becoming
10231	utterly
3469	extinct
3428	leaving
6124	modified
3950	progeny
1330	species
889	change
1093	country
889	change
607	time
8343	modifications
1833	slowly
1531	effected
807	shown
2196	intermediate
2149	varieties
5061	existed
2196	intermediate
4569	zones
4608	liable
23695	supplanted
797	allied
2162	forms
418	hand
2330	latter
1138	existing
731	greater
1159	numbers
1538	generally
6124	modified
7729	improved
1108	quicker
2243	rate
2196	intermediate
2149	varieties
5061	existed
7536	lesser
1159	numbers
2196	intermediate
2149	varieties
1476	run
23695	supplanted
7828	exterminated
14371	doctrine
12628	extermination
52215	infinitude
23335	connecting
4343	links
3469	extinct
6224	inhabitants
535	world
3697	successive
2772	period
3469	extinct
8388	older
1330	species
876	why
6220	geological
7639	formation
5165	charged
4343	links
876	why
9394	collection
6834	fossil
525	remains
1126	afford
4597	plain
1238	evidence
67047	gradation
68020	mutation
2162	forms
74	life
6220	geological
9377	research
2825	undoubtedly
9943	revealed
116	former
844	existence
4343	links
2529	bringing
2552	numerous
2162	forms
74	life
898	closer
12343	yield
12240	infinitely
627	fine
10254	gradations
1330	species
6441	required
6055	theory
799	obvious
23735	objections
1504	urged
876	why
2830	groups
797	allied
1330	species
860	appear
1615	appearance
2006	false
1070	come
1099	suddenly
3697	successive
6220	geological
3429	stages
420	know
21627	organic
1021	beings
886	appeared
17083	globe
2772	period
68021	incalculably
4174	remote
2749	lowest
1874	bed
41335	cambrian
4412	system
680	deposited
876	why
540	find
4412	system
790	great
3889	piles
6016	strata
4032	stored
525	remains
18252	progenitors
41335	cambrian
44957	fossils
6055	theory
6016	strata
8101	somewhere
680	deposited
4347	ancient
10231	utterly
1191	unknown
41334	epochs
535	world
5	history
579	answer
6123	questions
23735	objections
6841	supposition
6220	geological
5402	record
8027	imperfect
43329	geologists
5363	believe
2554	number
2656	specimens
17117	museums
3126	absolutely
894	compared
3359	countless
2811	generations
3359	countless
1330	species
1438	certainly
5061	existed
2955	parent
838	form
1330	species
7165	characters
2196	intermediate
6124	modified
1814	offspring
3146	rock
2869	pigeon
2196	intermediate
5112	crop
3136	tail
8275	descendants
67188	pouter
67190	fantail
4324	pigeons
1172	able
11210	recognise
1330	species
2955	parent
6124	modified
1330	species
2150	examine
796	closely
1393	possessed
2196	intermediate
4343	links
3357	owing
37840	imperfection
6220	geological
5402	record
8353	expect
540	find
4343	links
24522	linking
2162	forms
2396	discovered
911	simply
23458	ranked
415	naturalists
1330	species
1731	especially
670	found
6220	geological
68022	substages
1506	let
2147	differences
972	slight
2552	numerous
1138	existing
7308	doubtful
2162	forms
7312	named
2149	varieties
2671	pretend
2984	future
5050	ages
6834	fossil
4343	links
2396	discovered
415	naturalists
1172	able
2455	decide
7308	doubtful
2162	forms
661	called
2149	varieties
2508	portion
535	world
6837	geologically
9307	explored
21627	organic
1021	beings
5039	classes
6438	preserved
6834	fossil
725	condition
790	great
2554	number
1330	species
981	formed
3128	undergo
1012	further
889	change
644	become
3469	extinct
3428	leaving
6124	modified
8275	descendants
843	periods
1330	species
3668	undergone
973	modification
2136	measured
436	years
2675	comparison
843	periods
8434	retained
838	form
8729	dominant
2585	widely
9785	ranging
1330	species
847	vary
1365	frequently
847	vary
2149	varieties
2477	local
6065	causes
4696	rendering
6689	discovery
2196	intermediate
4343	links
7639	formation
4340	likely
2477	local
2149	varieties
2432	spread
1595	distant
1282	regions
2173	considerably
6124	modified
7729	improved
2432	spread
2396	discovered
6220	geological
7639	formation
860	appear
1099	suddenly
2826	created
911	simply
5198	classed
1330	species
41338	formations
33779	intermittent
4302	accumulation
4378	duration
1350	shorter
1902	average
4378	duration
7817	specific
2162	forms
3697	successive
41338	formations
2643	cases
942	separated
10186	blank
3213	intervals
607	time
790	great
1758	length
67156	fossiliferous
41338	formations
1904	thick
2336	resist
2984	future
12318	degradation
915	general
426	rule
7673	accumulated
1565	where
669	sediment
680	deposited
51095	subsiding
1874	bed
65	sea
1606	alternate
843	periods
7256	elevation
6522	stationary
1456	level
5402	record
1538	generally
10186	blank
2330	latter
843	periods
2122	variability
2162	forms
74	life
843	periods
15033	subsidence
20063	extinction
968	respect
4815	absence
6016	strata
3721	rich
44957	fossils
41335	cambrian
7639	formation
8710	recur
26614	hypothesis
1510	given
2759	tenth
2851	chapter
7117	namely
15296	continents
38559	oceans
13383	endured
2584	enormous
2772	period
813	nearly
730	relative
1856	positions
1765	reason
1563	assume
2331	case
5341	consequently
41338	formations
8388	older
664	known
3275	lie
3720	buried
790	great
38559	oceans
968	respect
6735	lapse
607	time
3948	sufficient
14697	planet
19444	consolidated
2283	assumed
2719	amount
21627	organic
889	change
12367	objection
1504	urged
322	sir
88	william
137	thompson
15170	gravest
2738	advanced
548	say
6826	firstly
420	know
2243	rate
1330	species
889	change
2136	measured
436	years
5040	secondly
11688	philosophers
6913	willing
5314	admit
420	know
1948	constitution
5097	universe
904	interior
17083	globe
6898	speculate
2030	safety
4378	duration
6220	geological
5402	record
8027	imperfect
5314	admit
8027	imperfect
2069	degree
6441	required
6055	theory
2547	inclined
5314	admit
1851	look
3213	intervals
607	time
38061	geology
3733	plainly
20153	declares
1330	species
1086	changed
1086	changed
1296	manner
6441	required
6055	theory
1086	changed
1833	slowly
6919	graduated
1296	manner
2751	clearly
486	see
6834	fossil
525	remains
25651	consecutive
41338	formations
1454	invariably
796	closely
592	related
44957	fossils
2585	widely
942	separated
41338	formations
12222	sum
86	chief
23735	objections
1276	difficulties
8711	justly
1504	urged
6055	theory
5010	briefly
68017	recapitulated
2875	answers
6156	explanations
486	see
1510	given
2452	felt
1276	difficulties
5652	heavily
436	years
3896	doubt
1973	weight
12956	deserves
2009	especial
1733	notice
23735	objections
4405	relate
6123	questions
68023	confessedly
6728	ignorant
420	know
6728	ignorant
420	know
18118	transitional
10254	gradations
6980	simplest
947	perfect
1589	organs
1749	pretended
420	know
2137	varied
553	means
2622	distribution
6735	lapse
436	years
420	know
8027	imperfect
6220	geological
5402	record
576	serious
23735	objections
6701	judgment
553	means
3948	sufficient
32509	overthrow
6055	theory
5736	descent
2440	subsequent
973	modification
1506	let
1697	turn
1503	side
2247	argument
2345	domestication
486	see
2122	variability
4377	caused
4725	excited
1086	changed
539	conditions
74	life
7734	obscure
1296	manner
2674	tempted
5191	consider
6816	variations
3519	spontaneous
2122	variability
13499	governed
6319	complex
509	laws
67141	correlated
298	growth
23758	compensation
5105	increased
7	use
10544	disuse
748	parts
893	definite
469	action
4147	surrounding
539	conditions
2125	difficulty
21796	ascertaining
4596	largely
2897	domestic
26943	productions
6124	modified
1218	safely
8474	infer
2719	amount
8343	modifications
6959	inherited
843	periods
539	conditions
74	life
656	remain
1765	reason
5363	believe
973	modification
6959	inherited
2811	generations
1160	continue
6959	inherited
6481	infinite
2554	number
2811	generations
418	hand
1238	evidence
2122	variability
1070	come
5809	play
5420	cease
2345	domestication
2772	period
420	know
4590	ceases
2149	varieties
1744	occasionally
40	produced
2646	oldest
2017	domesticated
26943	productions
2122	variability
2765	actually
4377	caused
303	man
37005	unintentionally
52855	exposes
21627	organic
1021	beings
539	conditions
74	life
439	nature
2684	acts
12920	organisation
6065	causes
847	vary
303	man
7287	select
6816	variations
1510	given
439	nature
659	thus
5272	accumulates
5948	desired
1296	manner
659	thus
68024	adapts
293	animals
447	plants
5125	benefit
4430	pleasure
10529	methodically
11118	unconsciously
39783	preserving
2142	individuals
5124	useful
5459	pleasing
10522	intention
32481	altering
4602	breed
4596	largely
5076	influence
35	character
4602	breed
421	selecting
3697	successive
1246	generation
2143	individual
2147	differences
972	slight
49727	inappreciable
9218	educated
1315	eye
5479	unconscious
648	process
6819	selection
790	great
7200	agency
7639	formation
2115	distinct
5124	useful
2897	domestic
5047	breeds
5047	breeds
40	produced
303	man
1341	extent
35	character
4	natural
1330	species
807	shown
51877	inextricable
11425	doubts
2149	varieties
67180	aboriginally
2115	distinct
1330	species
1765	reason
876	why
7546	principles
5751	acted
17492	efficiently
2345	domestication
5751	acted
439	nature
33005	survival
9629	favoured
2142	individuals
2117	races
454	constantly
28176	recurrent
3075	struggle
844	existence
486	see
1439	powerful
5135	acting
838	form
6819	selection
3075	struggle
844	existence
6009	inevitably
5322	follows
6121	geometrical
41837	ratio
2764	increase
733	common
21627	organic
1021	beings
2243	rate
2764	increase
2412	proved
2758	calculation
3790	rapid
2764	increase
293	animals
447	plants
1607	succession
1567	peculiar
4948	seasons
58855	naturalised
7142	countries
2142	individuals
1140	born
3333	possibly
2732	survive
698	grain
1492	balance
4283	determine
2142	individuals
1653	live
872	die
4463	variety
1330	species
2764	increase
2554	number
21472	decrease
4184	finally
644	become
3469	extinct
2142	individuals
1330	species
1070	come
845	respects
15800	closest
17513	competition
3075	struggle
1538	generally
3612	severe
3209	equally
3612	severe
2149	varieties
1330	species
12889	severity
1330	species
2434	genus
418	hand
3075	struggle
3612	severe
1021	beings
4174	remote
1028	scale
439	nature
1614	slightest
3092	advantage
2142	individuals
1829	age
2923	season
1070	come
17513	competition
6997	adaptation
972	slight
2069	degree
4147	surrounding
6151	physical
539	conditions
1476	run
1697	turn
1492	balance
293	animals
942	separated
4342	sexes
2643	cases
3075	struggle
1806	males
1453	possession
1710	females
6448	vigorous
1806	males
8986	successfully
9808	struggled
539	conditions
74	life
1538	generally
2026	leave
3950	progeny
3052	success
5107	depend
1806	males
2082	weapons
553	means
2084	defence
5811	charms
972	slight
3092	advantage
4066	lead
13742	victory
38061	geology
3733	plainly
32841	proclaims
274	land
3668	undergone
790	great
6151	physical
952	changes
2896	expected
540	find
21627	organic
1021	beings
2137	varied
439	nature
2137	varied
2345	domestication
2122	variability
439	nature
13229	unaccountable
714	fact
4	natural
6819	selection
1070	come
5809	play
1709	asserted
1621	assertion
11414	incapable
4810	proof
2719	amount
2174	variation
439	nature
6020	strictly
5045	limited
702	quantity
303	man
5135	acting
2146	external
7165	characters
13870	capriciously
887	produce
2772	period
790	great
1363	result
529	adding
2116	mere
2143	individual
2147	differences
2897	domestic
26943	productions
6965	admits
1330	species
2143	individual
2147	differences
2147	differences
415	naturalists
5314	admit
4	natural
2149	varieties
875	exist
2092	considered
5758	sufficiently
2115	distinct
3997	worthy
5402	record
8249	systematic
918	works
1893	drawn
431	clear
996	distinction
2143	individual
2147	differences
972	slight
2149	varieties
3733	plainly
437	marked
2149	varieties
68025	subspecies
1330	species
929	separate
15296	continents
748	parts
6973	continent
5038	divided
13370	barriers
958	kind
7286	outlying
1333	islands
617	multitude
2162	forms
875	exist
17314	experienced
415	naturalists
1570	rank
2149	varieties
1025	others
2426	geographical
2117	races
7271	sub
1330	species
1025	others
2115	distinct
796	closely
797	allied
1330	species
293	animals
447	plants
847	vary
1506	let
1495	slightly
1833	slowly
876	why
6816	variations
2143	individual
2147	differences
3880	beneficial
6438	preserved
7673	accumulated
4	natural
6819	selection
33005	survival
35457	fittest
303	man
5924	patience
7287	select
6816	variations
5124	useful
876	why
2615	changing
6319	complex
539	conditions
74	life
6816	variations
5124	useful
439	nature
825	products
5952	arise
6438	preserved
285	selected
1375	limit
640	put
1627	power
5135	acting
5050	ages
37804	rigidly
51649	scrutinising
1948	constitution
679	structure
1240	habits
736	creature
39345	favouring
1205	good
33486	rejecting
2066	bad
486	see
1375	limit
1627	power
1833	slowly
5797	beautifully
6775	adapting
838	form
6319	complex
501	relations
74	life
6055	theory
4	natural
6819	selection
1851	look
1012	further
1193	seems
2041	highest
2069	degree
855	probable
68017	recapitulated
8733	fairly
12744	opposed
1276	difficulties
23735	objections
1506	let
1697	turn
1651	facts
17001	arguments
9755	favour
6055	theory
4991	view
1330	species
800	strongly
437	marked
2361	permanent
2149	varieties
1330	species
5061	existed
4463	variety
486	see
876	why
3915	line
34434	demarcation
1893	drawn
1330	species
1561	commonly
4480	supposed
40	produced
2684	acts
6824	creation
2149	varieties
10464	acknowledged
40	produced
16491	secondary
509	laws
4991	view
5860	understand
2293	region
1565	where
1330	species
2434	genus
40	produced
1565	where
9985	flourish
1330	species
2149	varieties
1565	where
24615	manufactory
1330	species
735	active
8353	expect
915	general
426	rule
540	find
469	action
2331	case
2149	varieties
22306	incipient
1330	species
932	moreover
1330	species
712	larger
6233	genera
1126	afford
731	greater
2554	number
2149	varieties
22306	incipient
1330	species
3695	retain
2069	degree
35	character
2149	varieties
994	differ
2719	amount
2178	difference
1330	species
1353	smaller
6233	genera
796	closely
797	allied
1330	species
712	larger
6233	genera
2022	apparently
21563	restricted
4473	ranges
43973	affinities
9055	clustered
2830	groups
1330	species
845	respects
1398	resembling
2149	varieties
305	strange
501	relations
4991	view
1330	species
3421	independently
2826	created
11717	intelligible
5061	existed
4463	variety
1330	species
580	tends
6121	geometrical
2243	rate
19069	reproduction
2764	increase
55607	inordinately
2554	number
6124	modified
8275	descendants
1330	species
3358	enabled
2764	increase
644	become
8525	diversified
1240	habits
679	structure
1172	able
1466	seize
2585	widely
1184	places
2876	economy
439	nature
3137	constant
2424	tendency
4	natural
6819	selection
1518	preserve
8542	divergent
1814	offspring
1330	species
2289	hence
649	continued
954	course
973	modification
972	slight
2147	differences
906	characteristic
2149	varieties
1330	species
5421	tend
34598	augmented
731	greater
2147	differences
906	characteristic
1330	species
2434	genus
7729	improved
2149	varieties
6009	inevitably
19368	supplant
11813	exterminate
8388	older
7729	improved
2196	intermediate
2149	varieties
659	thus
1330	species
655	rendered
1341	extent
7118	defined
2115	distinct
502	objects
8729	dominant
1330	species
5238	belonging
712	larger
2830	groups
3195	class
5421	tend
13	give
1813	birth
8729	dominant
2162	forms
2846	group
580	tends
644	become
712	larger
607	time
8542	divergent
35	character
2830	groups
659	thus
1824	go
2767	increasing
885	size
535	world
1067	hold
8729	dominant
2830	groups
1107	beat
8729	dominant
2424	tendency
2830	groups
1824	go
2767	increasing
885	size
4064	diverging
35	character
12831	inevitable
43305	contingency
20063	extinction
1023	explains
2496	arrangement
2162	forms
74	life
2830	groups
23757	subordinate
2830	groups
790	great
5039	classes
7746	prevailed
607	time
4499	grand
714	fact
46250	grouping
21627	organic
1021	beings
661	called
4	natural
4412	system
10231	utterly
5696	inexplicable
6055	theory
6824	creation
4	natural
6819	selection
2684	acts
5258	solely
13452	accumulating
972	slight
3697	successive
14207	favourable
6816	variations
887	produce
790	great
2079	sudden
8343	modifications
1178	act
1818	slow
3175	steps
2289	hence
8321	canon
67147	natura
8682	non
56862	facit
67148	saltum
568	fresh
903	addition
532	knowledge
580	tends
7524	confirm
6055	theory
11717	intelligible
486	see
876	why
439	nature
915	general
612	end
4874	gained
6481	infinite
7466	diversity
553	means
2939	peculiarity
1601	acquired
6959	inherited
4560	structures
6124	modified
446	ways
4233	adapted
915	general
1091	purpose
486	see
876	why
439	nature
38751	prodigal
4463	variety
28099	niggard
33123	innovation
876	why
3174	law
439	nature
1330	species
3421	independently
2826	created
303	man
2177	explain
1651	facts
1193	seems
33235	explicable
6055	theory
305	strange
321	bird
838	form
404	woodpecker
332	prey
1699	insects
626	ground
23145	upland
5212	geese
1373	rarely
1110	swim
1302	possess
8983	webbed
1346	feet
4613	thrush
321	bird
8939	dive
2821	feed
7271	sub
3298	aquatic
1699	insects
67275	petrel
1240	habits
679	structure
3818	fitting
74	life
67446	auk
23231	endless
2643	cases
4991	view
1330	species
454	constantly
3150	trying
2764	increase
2554	number
4	natural
6819	selection
970	ready
6828	adapt
1833	slowly
6422	varying
8275	descendants
34873	unoccupied
1753	occupied
1216	place
439	nature
1651	facts
5420	cease
305	strange
16175	anticipated
1341	extent
5860	understand
3920	beauty
439	nature
4596	largely
7011	attributed
7200	agency
6819	selection
3920	beauty
1123	according
2096	sense
3463	universal
1301	admitted
1851	look
3755	venomous
347	snakes
295	fishes
10911	hideous
345	bats
16235	distorted
7383	resemblance
2019	human
401	face
8601	sexual
6819	selection
1510	given
3024	brilliant
3038	colours
7070	elegant
8704	patterns
35357	ornaments
1806	males
4342	sexes
294	birds
3659	butterflies
293	animals
294	birds
655	rendered
1392	voice
1183	male
1122	musical
1688	female
890	ears
588	flowers
589	fruit
655	rendered
2922	conspicuous
3024	brilliant
3038	colours
7738	contrast
880	green
4638	foliage
534	order
588	flowers
941	easily
417	seen
2641	visited
52274	fertilised
1699	insects
620	seeds
21575	disseminated
294	birds
2637	comes
3038	colours
1399	sounds
2162	forms
13	give
4430	pleasure
303	man
1879	lower
293	animals
2096	sense
3920	beauty
6980	simplest
838	form
1601	acquired
420	know
12716	odours
67507	flavours
655	rendered
6942	agreeable
4	natural
6819	selection
2684	acts
17513	competition
68024	adapts
21508	improves
6224	inhabitants
1093	country
313	relation
388	co
6224	inhabitants
1190	feel
1674	surprise
1330	species
1093	country
1264	ordinary
4991	view
4480	supposed
2826	created
2204	specially
4233	adapted
1093	country
765	beaten
23695	supplanted
58855	naturalised
26943	productions
274	land
12570	marvel
11550	contrivances
439	nature
5210	judge
3126	absolutely
947	perfect
2331	case
2019	human
1315	eye
35531	abhorrent
6675	ideas
9493	fitness
12570	marvel
6323	sting
3942	bee
2056	enemy
6871	causing
3942	bee
2058	death
5347	drones
40	produced
790	great
1159	numbers
2168	single
1178	act
33367	slaughtered
32691	sterile
11034	sisters
2312	astonishing
3991	waste
5829	pollen
8204	fir
1377	trees
6191	instinctive
14284	hatred
231	queen
3942	bee
7902	fertile
1196	daughters
67705	ichneumonidae
964	feeding
718	bodies
4459	caterpillars
2643	cases
296	wonder
815	indeed
6055	theory
4	natural
6819	selection
2643	cases
2801	want
491	absolute
6148	perfection
2285	detected
6319	complex
664	known
509	laws
8726	governing
9506	production
2149	varieties
5210	judge
509	laws
13499	governed
9506	production
2115	distinct
1330	species
2643	cases
6151	physical
539	conditions
1125	seem
40	produced
1304	direct
893	definite
5087	effect
548	say
659	thus
2149	varieties
874	enter
8937	station
1744	occasionally
1563	assume
7165	characters
514	proper
1330	species
8937	station
2149	varieties
1330	species
7	use
10544	disuse
1125	seem
40	produced
3267	considerable
5087	effect
1579	impossible
2336	resist
6630	conclusion
1851	look
3282	instance
67372	logger
3252	headed
5578	duck
742	wings
11414	incapable
1644	flight
813	nearly
725	condition
2897	domestic
5578	duck
1851	look
3572	burrowing
68026	tucu
68026	tucu
1744	occasionally
6082	blind
3706	moles
1562	habitually
6082	blind
1740	eyes
740	covered
2298	skin
1851	look
6082	blind
293	animals
4044	inhabiting
2516	dark
4074	caves
1254	america
7317	europe
2149	varieties
1330	species
67141	correlated
2174	variation
1193	seems
2100	played
839	part
839	part
6124	modified
748	parts
5327	necessarily
6124	modified
2149	varieties
1330	species
67146	reversions
465	lost
7165	characters
1744	occasionally
1798	occur
5696	inexplicable
6055	theory
6824	creation
2255	occasional
1615	appearance
7916	stripes
2494	shoulders
743	legs
1330	species
2870	horse
2434	genus
17449	hybrids
911	simply
714	fact
8494	explained
5363	believe
1330	species
3199	descended
7865	striped
18262	progenitor
1296	manner
2897	domestic
5047	breeds
2869	pigeon
3199	descended
4422	blue
8595	barred
3146	rock
2869	pigeon
1264	ordinary
4991	view
1330	species
3421	independently
2826	created
876	why
7817	specific
7165	characters
1330	species
2434	genus
994	differ
925	variable
18590	generic
7165	characters
993	agree
876	why
3282	instance
9916	colour
939	flower
4340	likely
847	vary
1330	species
2434	genus
1330	species
1302	possess
5583	differently
3288	coloured
588	flowers
1393	possessed
3288	coloured
588	flowers
1330	species
437	marked
2149	varieties
7165	characters
644	become
2069	degree
2361	permanent
5860	understand
714	fact
2137	varied
13295	branched
733	common
18262	progenitor
7165	characters
1070	come
23814	specifically
2115	distinct
834	therefore
7165	characters
4340	likely
847	vary
18590	generic
7165	characters
6959	inherited
889	change
2032	immense
2772	period
5696	inexplicable
6055	theory
6824	creation
876	why
839	part
946	developed
2314	unusual
1296	manner
1330	species
2434	genus
834	therefore
1683	naturally
8474	infer
790	great
795	importance
1330	species
1540	eminently
4608	liable
2174	variation
4991	view
839	part
3668	undergone
1330	species
13295	branched
733	common
18262	progenitor
2314	unusual
2719	amount
2122	variability
973	modification
834	therefore
8353	expect
839	part
1538	generally
925	variable
839	part
946	developed
2314	unusual
1296	manner
3875	wing
407	bat
925	variable
679	structure
839	part
733	common
23757	subordinate
2162	forms
6959	inherited
2772	period
2331	case
655	rendered
3137	constant
649	continued
4	natural
6819	selection
3025	glancing
3187	instincts
1842	marvellous
2160	offer
731	greater
2125	difficulty
37844	corporeal
4560	structures
6055	theory
4	natural
6819	selection
3697	successive
972	slight
12100	profitable
8343	modifications
659	thus
5860	understand
876	why
439	nature
1964	moves
6919	graduated
3175	steps
50129	endowing
293	animals
3195	class
3187	instincts
2225	attempted
1725	show
3104	light
1151	principle
67047	gradation
1650	throws
4417	admirable
7227	architectural
508	powers
5866	hive
3942	bee
479	habit
3896	doubt
2637	comes
5809	play
40741	modifying
3187	instincts
1438	certainly
4439	indispensable
486	see
2331	case
6809	neuter
1699	insects
2026	leave
3950	progeny
52462	inherit
17321	effects
649	continued
479	habit
4991	view
1330	species
2434	genus
3199	descended
733	common
2955	parent
6959	inherited
733	common
5860	understand
797	allied
1330	species
750	placed
2585	widely
539	conditions
74	life
5123	follow
813	nearly
3187	instincts
876	why
5375	thrushes
1252	tropical
3512	temperate
2627	south
1254	america
3282	instance
3915	line
311	nests
3567	mud
5732	british
1330	species
4991	view
3187	instincts
1833	slowly
1601	acquired
4	natural
6819	selection
12570	marvel
3187	instincts
947	perfect
4608	liable
6000	mistakes
3187	instincts
6871	causing
293	animals
7623	suffer
1330	species
437	marked
2361	permanent
2149	varieties
486	see
876	why
2356	crossed
1814	offspring
5123	follow
6319	complex
509	laws
5627	degrees
2013	kinds
7383	resemblance
1203	parents
4120	absorbed
3697	successive
8649	crosses
2438	points
2356	crossed
1814	offspring
10464	acknowledged
2149	varieties
2460	similarity
305	strange
714	fact
1330	species
3421	independently
2826	created
2149	varieties
40	produced
16491	secondary
509	laws
5314	admit
6220	geological
5402	record
8027	imperfect
1176	extreme
2069	degree
1651	facts
5402	record
13	give
800	strongly
1311	support
6055	theory
5736	descent
973	modification
1330	species
1070	come
2798	stage
1833	slowly
3697	successive
3213	intervals
2719	amount
889	change
2332	equal
3213	intervals
607	time
2585	widely
2830	groups
20063	extinction
1330	species
2830	groups
1330	species
2100	played
2922	conspicuous
839	part
5	history
21627	organic
535	world
6009	inevitably
5322	follows
1151	principle
4	natural
6819	selection
359	old
2162	forms
23695	supplanted
7729	improved
2162	forms
2168	single
1330	species
2830	groups
1330	species
14156	reappear
8270	chain
1264	ordinary
1246	generation
1673	broken
1642	gradual
7046	diffusion
8729	dominant
2162	forms
1818	slow
973	modification
8275	descendants
6065	causes
2162	forms
74	life
3213	intervals
607	time
860	appear
1086	changed
1526	simultaneously
535	world
714	fact
6834	fossil
525	remains
7639	formation
2069	degree
2196	intermediate
35	character
44957	fossils
41338	formations
911	simply
8494	explained
2196	intermediate
1464	position
8270	chain
5736	descent
4499	grand
714	fact
3469	extinct
1021	beings
5198	classed
2405	recent
1021	beings
1683	naturally
5322	follows
3469	extinct
1814	offspring
733	common
1203	parents
1330	species
1538	generally
32797	diverged
35	character
954	course
5736	descent
973	modification
5860	understand
876	why
4347	ancient
2162	forms
18252	progenitors
2846	group
3855	occupy
1464	position
2069	degree
2196	intermediate
1138	existing
2830	groups
2405	recent
2162	forms
1538	generally
4391	looked
1027	higher
1028	scale
12920	organisation
4347	ancient
2162	forms
1027	higher
7729	improved
2162	forms
8267	conquered
8388	older
7729	improved
2162	forms
3075	struggle
74	life
1538	generally
1589	organs
60481	specialised
1024	functions
714	fact
1323	perfectly
9578	compatible
2552	numerous
1021	beings
7266	retaining
515	simple
7729	improved
4560	structures
979	fitted
515	simple
539	conditions
74	life
9578	compatible
2162	forms
67857	retrograded
12920	organisation
644	become
2798	stage
5736	descent
979	fitted
12319	degraded
1240	habits
74	life
5177	lastly
327	wonderful
3174	law
12022	endurance
797	allied
2162	forms
6973	continent
67353	marsupials
3225	australia
64094	edentata
1254	america
2643	cases
11717	intelligible
1093	country
1138	existing
3469	extinct
796	closely
797	allied
5736	descent
3035	looking
2426	geographical
2622	distribution
5314	admit
954	course
5050	ages
3963	migration
839	part
535	world
3357	owing
116	former
67816	climatical
2426	geographical
952	changes
2255	occasional
1191	unknown
553	means
10244	dispersal
5860	understand
6055	theory
5736	descent
973	modification
790	great
4633	leading
1651	facts
2622	distribution
486	see
876	why
1889	striking
7754	parallelism
2622	distribution
21627	organic
1021	beings
1057	space
6220	geological
1607	succession
607	time
2643	cases
1021	beings
3553	connected
13729	bond
1264	ordinary
1246	generation
553	means
973	modification
486	see
498	full
3778	meaning
327	wonderful
714	fact
6185	struck
172	traveller
7117	namely
6973	continent
19760	diverse
539	conditions
3441	heat
634	cold
4464	mountain
21223	lowland
9150	deserts
4647	marshes
6224	inhabitants
790	great
3195	class
3733	plainly
592	related
8275	descendants
18252	progenitors
20854	colonists
1151	principle
116	former
3963	migration
727	combined
2643	cases
973	modification
5860	understand
3277	aid
8260	glacial
2772	period
21886	identity
447	plants
32511	alliance
1025	others
1595	distant
1791	mountains
3752	northern
4097	southern
3512	temperate
4569	zones
32511	alliance
6224	inhabitants
65	sea
3752	northern
4097	southern
3512	temperate
12107	latitudes
942	separated
65679	intertropical
3229	ocean
7142	countries
6151	physical
539	conditions
796	closely
706	similar
1330	species
1641	require
1190	feel
1674	surprise
6224	inhabitants
2585	widely
2772	period
1628	completely
33444	sundered
313	relation
22183	organism
22183	organism
501	relations
7142	countries
5397	received
20854	colonists
6	various
843	periods
814	proportions
1093	country
954	course
973	modification
22441	areas
6009	inevitably
4991	view
3963	migration
2440	subsequent
973	modification
486	see
876	why
49883	oceanic
1333	islands
2648	inhabited
1330	species
876	why
1567	peculiar
42590	endemic
2162	forms
2751	clearly
486	see
876	why
1330	species
5238	belonging
2830	groups
293	animals
6474	cross
1670	wide
1608	spaces
3229	ocean
299	frogs
3300	terrestrial
1572	mammals
2476	inhabit
49883	oceanic
1333	islands
876	why
418	hand
1567	peculiar
1330	species
345	bats
293	animals
2624	traverse
3229	ocean
670	found
1333	islands
1595	distant
6973	continent
2643	cases
2287	presence
1567	peculiar
1330	species
345	bats
49883	oceanic
1333	islands
4815	absence
3300	terrestrial
1572	mammals
1651	facts
10231	utterly
5696	inexplicable
6055	theory
1558	independent
2684	acts
6824	creation
844	existence
796	closely
797	allied
4848	representative
1330	species
22441	areas
5343	implies
6055	theory
5736	descent
973	modification
2955	parent
2162	forms
2647	formerly
2648	inhabited
22441	areas
1454	invariably
540	find
3168	wherever
796	closely
797	allied
1330	species
2476	inhabit
22441	areas
997	identical
1330	species
733	common
3168	wherever
796	closely
797	allied
2115	distinct
1330	species
1798	occur
7308	doubtful
2162	forms
2149	varieties
5238	belonging
2830	groups
1798	occur
426	rule
13563	generality
6224	inhabitants
2433	area
592	related
6224	inhabitants
4424	nearest
3597	source
1761	whence
32850	immigrants
835	derived
486	see
1889	striking
313	relation
813	nearly
447	plants
293	animals
67249	galapagos
1362	archipelago
18382	juan
29748	fernandez
1333	islands
447	plants
293	animals
10034	neighbouring
1343	mainland
2276	cape
1771	de
23034	verde
1362	archipelago
2164	african
1333	islands
2164	african
1343	mainland
1301	admitted
1651	facts
2107	receive
6958	explanation
6055	theory
6824	creation
714	fact
417	seen
21627	organic
1021	beings
3680	arranged
790	great
5039	classes
2830	groups
23757	subordinate
2830	groups
3469	extinct
2830	groups
2105	falling
2405	recent
2830	groups
11717	intelligible
6055	theory
4	natural
6819	selection
38825	contingencies
20063	extinction
46257	divergence
35	character
7546	principles
486	see
4187	mutual
43973	affinities
2162	forms
3195	class
6319	complex
67355	circuitous
486	see
876	why
7165	characters
7438	serviceable
1025	others
7167	classification
876	why
7033	adaptive
7165	characters
8708	paramount
795	importance
1021	beings
2709	hardly
795	importance
7167	classification
876	why
7165	characters
835	derived
943	rudimentary
748	parts
5228	service
1021	beings
67238	classificatory
463	value
876	why
67161	embryological
7165	characters
7259	valuable
43973	affinities
21627	organic
1021	beings
54818	contradistinction
7033	adaptive
367	resemblances
384	due
1200	inheritance
2562	community
5736	descent
4	natural
4412	system
35154	genealogical
2496	arrangement
1601	acquired
3202	grades
2178	difference
437	marked
14	terms
2149	varieties
1330	species
6233	genera
2718	families
197	etc
4123	discover
4263	lines
5736	descent
2361	permanent
7165	characters
972	slight
1158	vital
795	importance
706	similar
1675	framework
778	bones
418	hand
303	man
3875	wing
407	bat
2929	fin
17038	porpoise
1481	leg
2870	horse
2554	number
65018	vertebrae
763	forming
745	neck
43977	giraffe
2575	elephant
602	innumerable
1651	facts
2177	explain
6055	theory
5736	descent
1818	slow
972	slight
3697	successive
8343	modifications
2460	similarity
2992	pattern
3875	wing
1481	leg
407	bat
1091	purpose
2061	jaws
743	legs
8572	crab
8413	petals
5851	stamens
21233	pistils
939	flower
1341	extent
11717	intelligible
4991	view
1642	gradual
973	modification
748	parts
1589	organs
67180	aboriginally
2154	alike
18262	progenitor
5039	classes
1151	principle
3697	successive
6816	variations
67159	supervening
1829	age
6959	inherited
7029	corresponding
2772	period
74	life
2751	clearly
486	see
876	why
46033	embryos
1572	mammals
294	birds
2813	reptiles
295	fishes
796	closely
706	similar
1825	adult
2162	forms
5420	cease
68027	marvelling
17631	embryo
821	air
1044	breathing
66181	mammal
321	bird
60818	branchial
27898	slits
7530	arteries
868	running
7527	loops
355	fish
1069	breathe
821	air
728	dissolved
635	water
3277	aid
946	developed
67467	branchiae
10544	disuse
7820	aided
4	natural
6819	selection
2839	reduced
1589	organs
655	rendered
5281	useless
1086	changed
1240	habits
539	conditions
74	life
5860	understand
4991	view
3778	meaning
943	rudimentary
1589	organs
10544	disuse
6819	selection
1538	generally
1178	act
736	creature
1070	come
2760	maturity
5809	play
498	full
839	part
3075	struggle
844	existence
659	thus
1627	power
1412	organ
74	life
2289	hence
1412	organ
2839	reduced
655	rendered
943	rudimentary
1829	age
2833	calf
3282	instance
6959	inherited
1225	teeth
1224	cut
22009	gums
1040	upper
2223	jaw
18262	progenitor
946	developed
1225	teeth
5363	believe
1225	teeth
3331	mature
67	animal
2647	formerly
2839	reduced
10544	disuse
3357	owing
1077	tongue
7890	palate
2049	lips
644	become
33868	excellently
979	fitted
4	natural
6819	selection
53902	browse
3277	aid
2833	calf
1225	teeth
24778	unaffected
1151	principle
1200	inheritance
7029	corresponding
5050	ages
6959	inherited
4174	remote
2772	period
967	day
4991	view
22183	organism
929	separate
748	parts
2204	specially
2826	created
10231	utterly
5696	inexplicable
1589	organs
3297	bearing
4597	plain
19780	stamp
67519	inutility
1225	teeth
46159	embryonic
2833	calf
13027	shrivelled
742	wings
7193	soldered
3875	wing
1932	covers
3654	beetles
1365	frequently
1798	occur
439	nature
867	said
976	taken
2720	pains
12219	reveal
11270	scheme
973	modification
553	means
943	rudimentary
1589	organs
67161	embryological
27996	homologous
4560	structures
6082	blind
5860	understand
3778	meaning
68017	recapitulated
1651	facts
8312	considerations
4182	thoroughly
8773	convinced
1330	species
6124	modified
954	course
5736	descent
1531	effected
767	chiefly
4	natural
6819	selection
2552	numerous
3697	successive
972	slight
14207	favourable
6816	variations
7820	aided
1296	manner
6959	inherited
17321	effects
7	use
10544	disuse
748	parts
17086	unimportant
1296	manner
313	relation
7033	adaptive
4560	structures
1304	direct
469	action
2146	external
539	conditions
6816	variations
1125	seem
9899	ignorance
5952	arise
26088	spontaneously
851	appears
2647	formerly
40170	underrated
27963	frequency
463	value
2330	latter
2162	forms
2174	variation
4633	leading
2361	permanent
8343	modifications
679	structure
3421	independently
4	natural
6819	selection
1262	conclusions
2359	lately
34944	misrepresented
1912	stated
7016	attribute
973	modification
1330	species
842	exclusively
4	natural
6819	selection
7578	permitted
2447	remark
80	edition
558	work
7669	subsequently
750	placed
2922	conspicuous
1464	position
7117	namely
599	introduction
523	words
8773	convinced
4	natural
6819	selection
3217	main
6993	exclusive
553	means
973	modification
5928	avail
790	great
1627	power
5756	steady
35284	misrepresentation
5	history
392	science
2201	shows
6183	fortunately
1627	power
10074	endure
2709	hardly
4480	supposed
2006	false
6055	theory
2177	explain
4433	satisfactory
1296	manner
6055	theory
4	natural
6819	selection
5039	classes
1651	facts
9427	specified
4461	recently
8387	objected
13793	unsafe
693	method
15884	arguing
693	method
7806	judging
733	common
6631	events
74	life
1611	greatest
4	natural
11688	philosophers
41112	undulatory
6055	theory
3104	light
659	thus
7319	arrived
5542	belief
1629	revolution
64	earth
16951	axis
2359	lately
1990	supported
2709	hardly
1304	direct
1238	evidence
17341	valid
12367	objection
392	science
1650	throws
3104	light
1027	higher
3379	problem
466	essence
2474	origin
74	life
2177	explain
466	essence
12390	attraction
5760	gravity
502	objects
5065	results
6600	consequent
1191	unknown
452	element
12390	attraction
37639	leibnitz
2647	formerly
5178	accused
24958	newton
19024	introducing
26607	occult
5331	qualities
26629	miracles
11970	philosophy
486	see
1205	good
8492	reasons
876	why
14503	views
1510	given
24	volume
6573	shock
5894	religious
7233	feelings
4433	satisfactory
2301	showing
22598	transient
7006	impressions
3198	remember
1611	greatest
6689	discovery
413	made
303	man
7117	namely
3174	law
12390	attraction
5760	gravity
2035	attacked
37639	leibnitz
34978	subversive
4	natural
68028	inferentially
9943	revealed
546	religion
17383	celebrated
26	author
543	divine
5528	written
945	gradually
6961	learned
486	see
9718	noble
13360	conception
39172	deity
5363	believe
2826	created
493	original
2162	forms
1822	capable
3422	self
955	development
13926	needful
2162	forms
5363	believe
6441	required
568	fresh
1178	act
6824	creation
1003	supply
16269	voids
4377	caused
469	action
509	laws
876	why
8041	asked
4461	recently
813	nearly
6558	eminent
415	naturalists
43329	geologists
39292	disbelieve
48973	mutability
1330	species
1709	asserted
21627	organic
1021	beings
1032	state
439	nature
427	subject
2174	variation
2412	proved
2719	amount
2174	variation
954	course
5050	ages
5045	limited
702	quantity
431	clear
996	distinction
1893	drawn
1330	species
437	marked
2149	varieties
6896	maintained
1330	species
67165	intercrossed
1454	invariably
32691	sterile
2149	varieties
1454	invariably
7902	fertile
18823	sterility
50673	endowment
2206	sign
6824	creation
5542	belief
1330	species
35088	immutable
26943	productions
34173	unavoidable
5	history
535	world
1672	thought
4378	duration
1601	acquired
1581	idea
6735	lapse
607	time
4583	apt
1563	assume
4810	proof
6220	geological
5402	record
947	perfect
6582	afforded
4597	plain
1238	evidence
68020	mutation
1330	species
3668	undergone
68020	mutation
86	chief
3893	cause
4	natural
11113	unwillingness
5314	admit
1330	species
1510	given
1813	birth
2115	distinct
1330	species
1818	slow
7197	admitting
790	great
952	changes
486	see
3175	steps
2125	difficulty
2452	felt
43329	geologists
44085	lyell
455	insisted
4263	lines
1797	inland
5645	cliffs
981	formed
790	great
1388	valleys
4493	excavated
24479	agencies
486	see
558	work
2443	mind
3333	possibly
2602	grasp
498	full
3778	meaning
2481	term
2756	million
436	years
2976	add
3044	perceive
498	full
17321	effects
972	slight
6816	variations
7673	accumulated
6481	infinite
2554	number
2811	generations
2536	fully
8773	convinced
462	truth
14503	views
1510	given
24	volume
838	form
19719	abstract
553	means
8353	expect
6743	convince
17314	experienced
415	naturalists
2462	minds
6806	stocked
617	multitude
1651	facts
5731	viewed
954	course
436	years
223	point
4991	view
583	opposite
914	easy
2038	hide
9899	ignorance
10110	expressions
3365	plan
6824	creation
25249	unity
13373	design
197	etc
1260	think
13	give
6958	explanation
34322	restate
714	fact
1198	disposition
1013	leads
3984	attach
1973	weight
13710	unexplained
1276	difficulties
6958	explanation
2554	number
1651	facts
1438	certainly
2347	reject
6055	theory
415	naturalists
7497	endowed
6150	flexibility
2443	mind
4164	begun
3896	doubt
35928	immutability
1330	species
18073	influenced
24	volume
1851	look
4615	confidence
2984	future
21	young
4689	rising
415	naturalists
1172	able
4991	view
584	sides
577	question
37194	impartiality
441	led
5363	believe
1330	species
49125	mutable
1205	good
5228	service
33976	conscientiously
12752	expressing
10687	conviction
659	thus
4981	load
5349	prejudice
427	subject
23182	overwhelmed
4308	removed
6558	eminent
415	naturalists
1927	late
2437	published
5542	belief
617	multitude
3754	reputed
1330	species
2434	genus
1330	species
1330	species
3421	independently
2826	created
1193	seems
305	strange
6630	conclusion
1826	arrive
5314	admit
617	multitude
2162	forms
2359	lately
1672	thought
33721	creations
659	thus
4391	looked
3596	majority
415	naturalists
5341	consequently
2146	external
906	characteristic
2501	features
1330	species
5314	admit
40	produced
2174	variation
3446	refuse
1795	extend
4991	view
1495	slightly
2162	forms
2671	pretend
2631	define
18602	conjecture
2826	created
2162	forms
74	life
40	produced
16491	secondary
509	laws
5314	admit
2174	variation
18385	vera
39025	causa
2331	case
25749	arbitrarily
2347	reject
7168	assigning
996	distinction
2643	cases
967	day
1070	come
1510	given
1918	curious
288	illustration
13337	blindness
36128	preconceived
6702	opinion
17166	authors
1125	seem
8978	startled
10286	miraculous
1178	act
6824	creation
1264	ordinary
1813	birth
5363	believe
602	innumerable
843	periods
64	earth
5	history
37308	elemental
8164	atoms
11428	commanded
1099	suddenly
4789	flash
5393	tissues
5363	believe
4480	supposed
1178	act
6824	creation
2143	individual
40	produced
12240	infinitely
2552	numerous
2013	kinds
293	animals
447	plants
2826	created
753	eggs
732	seed
498	full
2810	grown
2331	case
1572	mammals
2826	created
3297	bearing
2006	false
6206	marks
1170	nourishment
1199	mother
37893	womb
2825	undoubtedly
6123	questions
4885	answered
5363	believe
1615	appearance
6824	creation
2162	forms
74	life
838	form
6896	maintained
17166	authors
914	easy
5363	believe
6824	creation
2756	million
1021	beings
68029	maupertuis
19001	philosophical
35491	axiom
469	action
1013	leads
2443	mind
6987	willingly
5314	admit
1353	smaller
2554	number
1438	certainly
5363	believe
602	innumerable
1021	beings
790	great
3195	class
2826	created
4597	plain
8521	deceptive
6206	marks
5736	descent
2168	single
2955	parent
5402	record
116	former
1032	state
530	things
8434	retained
5213	foregoing
9408	paragraphs
3468	elsewhere
14426	sentences
2726	imply
415	naturalists
5363	believe
929	separate
6824	creation
1330	species
19724	censured
659	thus
6814	expressed
2825	undoubtedly
915	general
5542	belief
80	edition
558	work
886	appeared
2647	formerly
1759	spoke
415	naturalists
427	subject
7048	evolution
1808	met
22495	sympathetic
7801	agreement
855	probable
5363	believe
7048	evolution
4298	silent
6814	expressed
68030	ambiguously
914	easy
5860	understand
3778	meaning
530	things
716	wholly
1086	changed
192	naturalist
6965	admits
790	great
1151	principle
7048	evolution
1260	think
1330	species
1099	suddenly
1510	given
1813	birth
13710	unexplained
553	means
6594	totally
2162	forms
2225	attempted
1725	show
6585	weighty
1238	evidence
12744	opposed
11465	admission
790	great
10518	abrupt
8343	modifications
3426	scientific
223	point
4991	view
4633	leading
1012	further
5211	investigation
3092	advantage
4874	gained
1321	believing
2162	forms
1099	suddenly
946	developed
5696	inexplicable
1296	manner
359	old
2585	widely
2162	forms
359	old
5542	belief
6824	creation
1330	species
7105	dust
64	earth
8041	asked
1795	extend
14371	doctrine
973	modification
1330	species
577	question
1242	difficult
579	answer
2115	distinct
2162	forms
5191	consider
17001	arguments
9755	favour
2562	community
5736	descent
644	become
2712	fewer
2554	number
2245	force
17001	arguments
1611	greatest
1973	weight
1795	extend
2376	members
5039	classes
3553	connected
8270	chain
43973	affinities
5198	classed
1151	principle
2830	groups
23757	subordinate
2830	groups
6834	fossil
525	remains
5421	tend
3055	fill
1670	wide
3213	intervals
1138	existing
5873	orders
1589	organs
943	rudimentary
725	condition
3733	plainly
1725	show
18262	progenitor
1412	organ
2536	fully
946	developed
725	condition
2643	cases
5343	implies
2584	enormous
2719	amount
973	modification
8275	descendants
5039	classes
6	various
4560	structures
981	formed
2992	pattern
1829	age
46033	embryos
796	closely
1957	resemble
834	therefore
3896	doubt
6055	theory
5736	descent
973	modification
10294	embraces
2376	members
790	great
3195	class
3725	kingdom
5363	believe
293	animals
3199	descended
18252	progenitors
447	plants
2332	equal
7536	lesser
2554	number
2239	analogy
4066	lead
1556	step
1012	further
7117	namely
5542	belief
293	animals
447	plants
3199	descended
20205	prototype
2239	analogy
34330	deceitful
6207	guide
530	things
733	common
806	chemical
846	composition
8019	cellular
679	structure
509	laws
298	growth
9475	liability
3892	injurious
20093	influences
486	see
6280	trifling
714	fact
6516	poison
7062	similarly
6037	affects
447	plants
293	animals
6516	poison
3012	secreted
24805	gall
962	fly
2865	produces
11161	monstrous
4729	growths
343	wild
2071	rose
4201	oak
492	tree
21627	organic
1021	beings
2749	lowest
8601	sexual
19069	reproduction
1193	seems
484	essentially
706	similar
664	known
62069	germinal
61125	vesicle
21525	organisms
39	start
733	common
2474	origin
1851	look
3217	main
1015	divisions
7117	namely
67	animal
689	vegetable
27010	kingdoms
1788	low
2162	forms
2196	intermediate
35	character
415	naturalists
18503	disputed
3725	kingdom
2272	referred
200	professor
42272	asa
2497	gray
6129	remarked
21373	spores
61494	reproductive
718	bodies
1879	lower
46264	algae
4847	claim
22134	characteristically
67	animal
39897	unequivocally
689	vegetable
844	existence
834	therefore
1151	principle
4	natural
6819	selection
46257	divergence
35	character
1125	seem
16114	incredible
1788	low
2196	intermediate
838	form
293	animals
447	plants
946	developed
5314	admit
5314	admit
21627	organic
1021	beings
1360	lived
64	earth
3199	descended
67089	primordial
838	form
14030	inference
767	chiefly
15727	grounded
2239	analogy
39991	immaterial
5412	accepted
3896	doubt
390	mr
42827	lewes
1504	urged
7277	commencement
74	life
2162	forms
5919	evolved
4410	conclude
6124	modified
8275	descendants
4461	recently
6129	remarked
6812	regard
2376	members
790	great
3725	kingdom
7204	vertebrata
67459	articulata
197	etc
2115	distinct
1238	evidence
67161	embryological
27996	homologous
943	rudimentary
4560	structures
3725	kingdom
2376	members
3199	descended
2168	single
18262	progenitor
14503	views
2738	advanced
24	volume
390	mr
323	wallace
3285	analogous
14503	views
2474	origin
1330	species
1538	generally
1301	admitted
9950	dimly
10901	foresee
3267	considerable
1629	revolution
4	natural
5	history
65720	systematists
1172	able
12526	pursue
37910	labours
959	incessantly
10219	haunted
12846	shadowy
3896	doubt
838	form
1330	species
1190	feel
2842	speak
1364	experience
972	slight
6371	relief
23231	endless
4901	disputes
1834	fifty
1330	species
5732	british
43970	brambles
1205	good
1330	species
5420	cease
65720	systematists
2455	decide
914	easy
838	form
5758	sufficiently
3137	constant
2115	distinct
2162	forms
1822	capable
6988	definition
68031	definable
2147	differences
5758	sufficiently
3723	deserve
7817	specific
2109	name
2330	latter
223	point
644	become
852	essential
5118	consideration
2147	differences
972	slight
2162	forms
5750	blended
2196	intermediate
10254	gradations
4391	looked
415	naturalists
3948	sufficient
1982	raise
2162	forms
1570	rank
1330	species
2995	hereafter
7373	compelled
14273	acknowledge
996	distinction
1330	species
437	marked
2149	varieties
2330	latter
664	known
7717	believed
3553	connected
967	day
2196	intermediate
10254	gradations
1330	species
2647	formerly
659	thus
3553	connected
2289	hence
33486	rejecting
5118	consideration
844	existence
2196	intermediate
10254	gradations
2162	forms
441	led
7301	weigh
1214	carefully
463	value
1027	higher
5274	actual
2719	amount
2178	difference
2162	forms
1538	generally
10464	acknowledged
449	merely
2149	varieties
2995	hereafter
1672	thought
3997	worthy
7817	specific
5360	names
2331	case
3426	scientific
733	common
34	language
1070	come
7448	accordance
3473	treat
1330	species
1296	manner
415	naturalists
3473	treat
6233	genera
5314	admit
6233	genera
449	merely
4942	artificial
22149	combinations
413	made
1233	convenience
13910	cheering
4383	prospect
12052	freed
4394	vain
3019	search
11006	undiscovered
52495	undiscoverable
466	essence
2481	term
1330	species
915	general
17512	departments
4	natural
5	history
949	rise
1414	greatly
444	interest
14	terms
415	naturalists
21815	affinity
6892	relationship
2562	community
2713	type
51623	paternity
1020	morphology
7033	adaptive
7165	characters
943	rudimentary
67191	aborted
1589	organs
197	etc
5420	cease
56638	metaphorical
4597	plain
29230	signification
2543	longer
1851	look
21627	organic
2271	savage
3241	looks
10395	ship
716	wholly
7050	comprehension
6812	regard
9506	production
439	nature
5	history
14672	contemplate
6319	complex
679	structure
1174	instinct
5147	summing
11550	contrivances
5124	useful
3389	possessor
790	great
5994	mechanical
10776	invention
5147	summing
10555	labour
1364	experience
1765	reason
5995	blunders
2552	numerous
4128	workmen
659	thus
4991	view
21627	organic
429	interesting
2842	speak
1364	experience
470	study
4	natural
5	history
644	become
4499	grand
8042	untrodden
164	field
6608	inquiry
2586	opened
6065	causes
509	laws
2174	variation
67173	correlation
17321	effects
7	use
10544	disuse
1304	direct
469	action
2146	external
539	conditions
1144	forth
470	study
2897	domestic
26943	productions
949	rise
23274	immensely
463	value
4463	variety
1516	raised
303	man
429	interesting
427	subject
470	study
1330	species
901	added
52215	infinitude
5396	recorded
1330	species
46254	classifications
1070	come
413	made
42436	genealogies
3138	truly
13	give
661	called
3365	plan
6824	creation
9365	rules
6845	classifying
3896	doubt
644	become
2843	simpler
893	definite
1661	object
4991	view
1302	possess
67206	pedigree
14243	armorial
4500	bearings
4123	discover
905	trace
4064	diverging
4263	lines
5736	descent
4	natural
42436	genealogies
7165	characters
958	kind
6959	inherited
943	rudimentary
1589	organs
2842	speak
12650	infallibly
968	respect
439	nature
465	lost
4560	structures
1330	species
2830	groups
1330	species
661	called
48134	aberrant
68032	fancifully
661	called
44957	fossils
3277	aid
763	forming
6953	picture
4347	ancient
2162	forms
74	life
67157	embryology
12219	reveal
679	structure
2069	degree
13287	obscured
20840	prototypes
790	great
3195	class
1190	feel
7685	assured
2142	individuals
1330	species
796	closely
797	allied
1330	species
6233	genera
4174	remote
2772	period
3199	descended
2955	parent
8732	migrated
1813	birth
1216	place
420	know
553	means
3963	migration
3104	light
38061	geology
1650	throws
1160	continue
1626	throw
116	former
952	changes
4168	climate
1456	level
274	land
6432	surely
3358	enabled
905	trace
4417	admirable
1296	manner
116	former
5202	migrations
6224	inhabitants
535	world
5325	comparing
2147	differences
6224	inhabitants
65	sea
583	opposite
584	sides
6973	continent
439	nature
6	various
6224	inhabitants
6973	continent
313	relation
2745	apparent
553	means
24741	immigration
3104	light
2694	thrown
4347	ancient
15295	geography
9718	noble
392	science
38061	geology
3339	loses
1168	glory
1176	extreme
37840	imperfection
5402	record
3533	crust
64	earth
7813	embedded
525	remains
4391	looked
4987	filled
2200	museum
3255	poor
9394	collection
413	made
8795	hazard
1875	rare
3213	intervals
4302	accumulation
790	great
67156	fossiliferous
7639	formation
9698	recognised
7681	depended
2314	unusual
2645	occurrence
14207	favourable
2364	circumstances
10186	blank
3213	intervals
3697	successive
3429	stages
1434	vast
4378	duration
1172	able
14815	gauge
3163	security
4378	duration
3213	intervals
2675	comparison
2436	preceding
3343	succeeding
21627	organic
2162	forms
13102	cautious
1667	attempting
35388	correlate
6020	strictly
32732	contemporaneous
41338	formations
6991	include
997	identical
1330	species
915	general
1607	succession
2162	forms
74	life
1330	species
40	produced
7828	exterminated
1833	slowly
5135	acting
1138	existing
6065	causes
10286	miraculous
2684	acts
6824	creation
6065	causes
21627	organic
889	change
1558	independent
5754	altered
1099	suddenly
5754	altered
6151	physical
539	conditions
7117	namely
4187	mutual
313	relation
22183	organism
22183	organism
11299	improvement
22183	organism
36074	entailing
11299	improvement
12628	extermination
1025	others
5322	follows
2719	amount
21627	organic
889	change
44957	fossils
25651	consecutive
41338	formations
2002	serves
2980	fair
4979	measure
730	relative
5274	actual
6735	lapse
607	time
2554	number
1330	species
1509	keeping
739	body
656	remain
2772	period
11812	unchanged
2772	period
1330	species
4441	migrating
7142	countries
2943	coming
17513	competition
6756	foreign
25717	associates
644	become
6124	modified
33352	overrate
2227	accuracy
21627	organic
889	change
4979	measure
607	time
2984	future
486	see
3779	fields
5571	researches
17322	psychology
3673	securely
1303	based
853	foundation
1185	laid
390	mr
8789	herbert
13974	spencer
485	necessary
6825	acquirement
6194	mental
1627	power
10107	capacity
67047	gradation
3104	light
2694	thrown
2474	origin
303	man
5	history
17166	authors
2041	highest
10686	eminence
1125	seem
2536	fully
4807	satisfied
4991	view
1330	species
3421	independently
2826	created
2443	mind
59309	accords
420	know
509	laws
6464	impressed
428	matter
9981	creator
9506	production
20063	extinction
6224	inhabitants
535	world
384	due
16491	secondary
6065	causes
4501	determining
1813	birth
2058	death
2143	individual
4991	view
1021	beings
33721	creations
67166	lineal
8275	descendants
1021	beings
1360	lived
1874	bed
41335	cambrian
4412	system
680	deposited
1125	seem
644	become
20644	ennobled
7806	judging
1218	safely
8474	infer
1330	species
27077	transmit
12845	unaltered
798	likeness
2115	distinct
49139	futurity
1330	species
27077	transmit
3950	progeny
958	kind
1595	distant
49139	futurity
1296	manner
21627	organic
1021	beings
11172	grouped
2201	shows
731	greater
2554	number
1330	species
2434	genus
1330	species
6233	genera
8275	descendants
644	become
10231	utterly
3469	extinct
953	take
9634	prophetic
1747	glance
49139	futurity
39512	foretell
733	common
2585	widely
2432	spread
1330	species
5238	belonging
712	larger
8729	dominant
2830	groups
3195	class
7745	ultimately
8381	prevail
67687	procreate
8729	dominant
1330	species
2162	forms
74	life
67166	lineal
8275	descendants
1360	lived
41335	cambrian
8131	epoch
1190	feel
1264	ordinary
1607	succession
1246	generation
1673	broken
34955	cataclysm
34391	desolated
535	world
2289	hence
1851	look
4615	confidence
3401	secure
2984	future
790	great
1758	length
4	natural
6819	selection
918	works
5258	solely
1205	good
37844	corporeal
6194	mental
14506	endowments
5421	tend
1528	progress
6148	perfection
429	interesting
14672	contemplate
4822	tangled
3326	bank
7723	clothed
447	plants
2013	kinds
294	birds
4427	singing
4148	bushes
6	various
1699	insects
4695	flitting
351	worms
3546	crawling
3785	damp
64	earth
9885	reflect
4955	elaborately
4580	constructed
2162	forms
6907	dependent
6319	complex
1296	manner
40	produced
509	laws
5135	acting
509	laws
976	taken
1344	largest
2096	sense
298	growth
19069	reproduction
1200	inheritance
6840	implied
19069	reproduction
2122	variability
8502	indirect
1304	direct
469	action
539	conditions
74	life
7	use
10544	disuse
41837	ratio
2764	increase
4066	lead
3075	struggle
74	life
1817	consequence
4	natural
6819	selection
36074	entailing
46257	divergence
35	character
20063	extinction
7729	improved
2162	forms
659	thus
4768	war
439	nature
12782	famine
2058	death
11499	exalted
1661	object
1822	capable
33456	conceiving
7117	namely
9506	production
1027	higher
293	animals
5322	follows
11978	grandeur
4991	view
74	life
508	powers
6818	originally
10943	breathed
9981	creator
2162	forms
14697	planet
3410	gone
6208	circling
1123	according
604	fixed
3174	law
5760	gravity
515	simple
526	beginning
23231	endless
2162	forms
541	beautiful
327	wonderful
5919	evolved
43319	glossary
230	principal
3426	scientific
14	terms
24	volume
4833	indebted
11108	kindness
390	mr
346	dallas
43319	glossary
1510	given
6864	readers
15589	complained
14	terms
6192	unintelligible
390	mr
346	dallas
39925	endeavoured
13	give
6156	explanations
14	terms
391	popular
838	form
48134	aberrant
2162	forms
2830	groups
293	animals
447	plants
39162	deviate
7165	characters
4424	nearest
2252	allies
941	easily
16	included
2846	group
867	said
48134	aberrant
54458	aberration
41100	optics
21822	refraction
3104	light
8752	convex
7703	lens
6504	rays
450	passing
748	parts
7703	lens
2657	brought
8394	focus
1495	slightly
1619	distances
661	called
5770	spherical
54458	aberration
607	time
3288	coloured
6504	rays
942	separated
5984	prismatic
469	action
7703	lens
2657	brought
8394	focus
1619	distances
48333	chromatic
54458	aberration
5092	abnormal
1945	contrary
915	general
426	rule
67191	aborted
1412	organ
867	said
67191	aborted
955	development
4195	arrested
2798	stage
67178	albinism
68033	albinos
293	animals
1461	usual
39969	colouring
709	matters
906	characteristic
1330	species
40	produced
2298	skin
3732	appendages
67178	albinism
1032	state
64340	albino
46264	algae
3195	class
447	plants
5384	including
1264	ordinary
65	sea
2988	weeds
46161	filamentous
568	fresh
635	water
2988	weeds
44418	alternation
2811	generations
2481	term
933	applied
1567	peculiar
1241	mode
19069	reproduction
7505	prevails
1879	lower
293	animals
683	egg
2865	produces
838	form
2955	parent
2955	parent
838	form
7156	reproduced
648	process
15802	budding
5319	division
658	substance
19308	product
683	egg
44309	ammonites
2846	group
6834	fossil
21418	spiral
43337	chambered
488	shells
797	allied
1138	existing
48870	pearly
67827	nautilus
5876	partitions
4445	chambers
11592	waved
1000	complicated
8704	patterns
16513	junction
934	outer
3788	wall
2239	analogy
7383	resemblance
4560	structures
5261	depends
2460	similarity
5970	function
742	wings
1699	insects
294	birds
4560	structures
867	said
3285	analogous
68034	analogues
56353	animalcule
673	minute
67	animal
1538	generally
933	applied
3550	visible
676	microscope
67832	annelids
3195	class
351	worms
935	surface
739	body
1586	exhibits
2115	distinct
5319	division
3730	rings
3742	segments
1538	generally
3732	appendages
1590	locomotion
1034	gills
5043	includes
1264	ordinary
5604	marine
351	worms
64	earth
351	worms
55649	leeches
54287	antennae
3731	jointed
1589	organs
20024	appended
747	head
1699	insects
64676	crustacea
44329	centipedes
5238	belonging
749	mouth
21228	anthers
9045	summits
5851	stamens
588	flowers
5829	pollen
67336	fertilising
7105	dust
40	produced
68035	aplacentalia
68036	aplacentata
68037	aplacental
1572	mammals
486	see
7172	mammalia
67067	archetypal
5238	belonging
48357	archetype
4799	ideal
2730	primitive
838	form
1021	beings
2846	group
1125	seem
60453	organised
67459	articulata
790	great
5319	division
67	animal
3725	kingdom
12259	characterised
1538	generally
935	surface
739	body
5038	divided
3730	rings
661	called
3742	segments
731	greater
2554	number
4975	furnished
3731	jointed
743	legs
1699	insects
3728	crustaceans
44329	centipedes
67596	asymmetrical
584	sides
62143	atrophied
4195	arrested
955	development
2798	stage
67429	balanus
2434	genus
5384	including
733	common
6004	acorn
488	shells
1653	live
5064	abundance
487	rocks
65	sea
2642	coast
45645	batrachians
3195	class
293	animals
797	allied
2813	reptiles
14933	undergoing
1567	peculiar
6708	metamorphosis
21	young
67	animal
1538	generally
3298	aquatic
1033	breathes
1034	gills
2894	examples
299	frogs
1115	toads
67918	newts
7772	boulders
18230	transported
8184	blocks
4534	stone
1538	generally
7813	embedded
41330	clays
44285	gravels
68038	brachiopoda
3195	class
5604	marine
64675	mollusca
1896	soft
6240	bodied
293	animals
4975	furnished
67488	bivalve
615	attached
35122	submarine
502	objects
6463	stalk
1300	passes
2171	aperture
37880	valves
4975	furnished
14241	fringed
1226	arms
469	action
966	food
3238	carried
749	mouth
67467	branchiae
1034	gills
1589	organs
22416	respiration
635	water
60818	branchial
7147	pertaining
1034	gills
67467	branchiae
41335	cambrian
4412	system
951	series
4347	ancient
44077	palaeozoic
487	rocks
67835	laurentian
67824	silurian
4461	recently
5703	regarded
2646	oldest
67156	fossiliferous
487	rocks
65292	canidae
2093	dog
1161	family
5384	including
2093	dog
4089	wolf
4088	fox
9597	jackal
197	etc
67409	carapace
23273	enveloping
6354	anterior
839	part
739	body
3728	crustaceans
1538	generally
933	applied
24172	shelly
777	pieces
67337	cirripedes
44079	carboniferous
2481	term
933	applied
790	great
7639	formation
5043	includes
487	rocks
7651	coal
2052	measures
559	belongs
2646	oldest
44077	palaeozoic
4412	system
41338	formations
7946	caudal
5238	belonging
3136	tail
46551	cephalopods
2041	highest
3195	class
64675	mollusca
1896	soft
6240	bodied
293	animals
12259	characterised
749	mouth
3540	surrounded
731	greater
2554	number
5776	fleshy
1226	arms
8482	tentacles
1330	species
4975	furnished
3983	sucking
10783	cups
2894	examples
354	cuttle
355	fish
67827	nautilus
7178	cetacea
534	order
7172	mammalia
5384	including
7176	whales
7177	dolphins
197	etc
838	form
739	body
355	fish
2298	skin
2515	naked
7181	fore
1533	limbs
946	developed
67987	chelonia
534	order
2813	reptiles
5384	including
4001	turtles
68039	tortoises
197	etc
67337	cirripedes
534	order
3728	crustaceans
5384	including
54291	barnacles
6004	acorn
488	shells
21	young
1957	resemble
3728	crustaceans
838	form
3331	mature
615	attached
502	objects
553	means
6463	stalk
718	bodies
3670	enclosed
47177	calcareous
768	composed
777	pieces
13	give
6776	issue
3557	bunch
16429	curled
3731	jointed
8482	tentacles
3475	represent
1533	limbs
67239	coccus
2434	genus
1699	insects
5384	including
68040	cochineal
1183	male
673	minute
3830	winged
962	fly
1688	female
1538	generally
3569	motionless
5167	berry
119	mass
3509	cocoon
2331	case
21671	silky
424	material
1699	insects
1365	frequently
625	enveloped
1930	resting
2798	stage
3687	pupa
844	existence
2481	term
3509	cocoon
2798	stage
5549	equivalent
3687	pupa
2798	stage
67406	coelospermous
2481	term
933	applied
2614	fruits
67400	umbelliferae
732	seed
27950	hollowed
1997	inner
401	face
3854	coleoptera
3654	beetles
534	order
1699	insects
2340	biting
749	mouth
2762	pair
742	wings
849	horny
763	forming
45363	sheaths
2762	pair
6036	meeting
1852	straight
3915	line
2221	middle
5835	column
1567	peculiar
1412	organ
588	flowers
1886	orchids
5851	stamens
433	style
49180	stigma
61494	reproductive
748	parts
124	united
67399	compositae
67395	compositous
447	plants
447	plants
68041	inflorescence
608	consists
2552	numerous
588	flowers
67397	florets
2657	brought
1267	dense
747	head
1779	base
3670	enclosed
733	common
8373	envelope
2894	examples
16798	daisy
5773	dandelion
197	etc
68042	confervae
46161	filamentous
2988	weeds
568	fresh
635	water
28648	conglomerate
3146	rock
413	made
4224	fragments
3146	rock
7666	pebbles
4050	cemented
424	material
17975	corolla
8373	envelope
939	flower
768	composed
3288	coloured
334	leaf
1589	organs
8413	petals
124	united
1371	edges
46183	basal
839	part
67173	correlation
21725	normal
9875	coincidence
13228	phenomenon
35	character
197	etc
68043	corymb
3557	bunch
588	flowers
12353	springing
1879	lower
839	part
939	flower
3370	stalks
1990	supported
3370	stalks
813	nearly
1456	level
1040	upper
938	ones
21396	cotyledons
732	seed
586	leaves
447	plants
3728	crustaceans
3195	class
7208	articulated
293	animals
2298	skin
739	body
1538	generally
8742	hardened
7812	deposition
47177	calcareous
428	matter
1044	breathing
553	means
1034	gills
2894	examples
8572	crab
17028	lobster
17044	shrimp
197	etc
55120	curculio
359	old
18590	generic
2481	term
3654	beetles
664	known
53592	weevils
12259	characterised
3731	jointed
1346	feet
747	head
40	produced
802	sort
318	beak
584	sides
54287	antennae
15016	inserted
38772	cutaneous
5238	belonging
2298	skin
12318	degradation
14620	wearing
274	land
469	action
65	sea
37263	meteoric
24479	agencies
41331	denudation
14620	wearing
935	surface
274	land
635	water
6835	devonian
4412	system
7639	formation
951	series
44077	palaeozoic
487	rocks
5384	including
359	old
3760	red
7781	sandstone
67063	dicotyledons
67878	dicotyledonous
447	plants
3195	class
447	plants
12259	characterised
732	seed
586	leaves
7639	formation
786	wood
3417	bark
359	old
786	wood
68044	exogenous
298	growth
68045	reticulation
7529	veins
586	leaves
748	parts
588	flowers
1538	generally
68046	multiples
68047	differentation
12135	separation
22588	discrimination
748	parts
1589	organs
2843	simpler
2162	forms
74	life
124	united
21205	dimorphic
2115	distinct
2162	forms
67151	dimorphism
725	condition
1615	appearance
1330	species
8347	dissimilar
2162	forms
68048	dioecious
1589	organs
4342	sexes
2115	distinct
2142	individuals
67800	diorite
1567	peculiar
838	form
68049	greenstone
2928	dorsal
5238	belonging
64094	edentata
1567	peculiar
534	order
7260	quadrupeds
12259	characterised
4815	absence
2221	middle
7321	incisor
4925	front
1225	teeth
2061	jaws
2894	examples
64124	sloths
64127	armadillos
8757	elytra
8742	hardened
7181	fore
742	wings
3654	beetles
1873	serving
45363	sheaths
1409	membranous
1532	hind
742	wings
1271	constitute
1589	organs
1644	flight
17631	embryo
21	young
67	animal
14933	undergoing
955	development
683	egg
37893	womb
67157	embryology
470	study
955	development
17631	embryo
42590	endemic
1567	peculiar
1510	given
1870	locality
68005	entomostraca
5319	division
3195	class
64676	crustacea
3742	segments
739	body
2115	distinct
1034	gills
615	attached
1346	feet
1589	organs
749	mouth
1346	feet
14241	fringed
627	fine
2512	hairs
1538	generally
885	size
9192	eocene
14175	earliest
1015	divisions
8144	tertiary
8131	epoch
43329	geologists
487	rocks
1829	age
771	contain
537	proportion
488	shells
997	identical
1330	species
67976	ephemerous
1699	insects
1699	insects
797	allied
962	fly
43972	fauna
68050	totality
293	animals
1683	naturally
4044	inhabiting
1093	country
2293	region
1360	lived
1510	given
6220	geological
2772	period
63697	felidae
3423	cat
1161	family
66717	feral
644	become
343	wild
1032	state
17131	cultivation
2345	domestication
18329	flora
68050	totality
447	plants
1832	growing
1683	naturally
1093	country
1510	given
6220	geological
2772	period
67397	florets
588	flowers
8495	imperfectly
946	developed
845	respects
760	collected
1267	dense
45292	spike
747	head
4046	grasses
5773	dandelion
197	etc
68008	foetal
5238	belonging
55881	foetus
17631	embryo
954	course
955	development
67853	foraminifera
3195	class
293	animals
1788	low
12920	organisation
1538	generally
885	size
774	jelly
739	body
935	surface
1053	delicate
8490	filaments
1510	given
8762	retracted
67498	prehension
2146	external
502	objects
47177	calcareous
3891	sandy
5038	divided
4445	chambers
17731	perforated
7393	apertures
67156	fossiliferous
2273	containing
44957	fossils
64909	fossorial
207	faculty
6458	digging
64909	fossorial
6754	hymenoptera
2846	group
331	wasp
1699	insects
3525	burrow
3891	sandy
605	soil
473	make
311	nests
21	young
68051	frenum
42076	pl
67473	frena
2556	band
3261	fold
2298	skin
21370	fungi
4591	sing
6442	fungus
3195	class
8019	cellular
447	plants
49302	mushrooms
68052	toadstools
41320	moulds
2456	familiar
2894	examples
67192	furcula
38998	forked
7188	bone
981	formed
397	union
5803	collar
778	bones
294	birds
733	common
734	fowl
44124	gallinaceous
294	birds
534	order
294	birds
733	common
734	fowl
4366	turkey
58369	pheasant
664	known
2894	examples
67182	gallus
2434	genus
294	birds
5043	includes
733	common
734	fowl
6321	ganglion
6066	swelling
4517	knot
5712	nerves
1510	given
1907	centre
67344	ganoid
295	fishes
295	fishes
740	covered
1567	peculiar
41459	enamelled
2190	bony
5110	scales
3469	extinct
62069	germinal
61125	vesicle
673	minute
61125	vesicle
753	eggs
293	animals
955	development
17631	embryo
4235	proceeds
8260	glacial
2772	period
2772	period
790	great
634	cold
2584	enormous
6069	extension
3897	ice
935	surface
64	earth
7717	believed
8260	glacial
843	periods
7767	occurred
4611	repeatedly
6220	geological
5	history
64	earth
2481	term
1538	generally
933	applied
8144	tertiary
8131	epoch
813	nearly
7317	europe
6664	subjected
8336	arctic
4168	climate
60264	gland
1412	organ
66812	secretes
2191	separates
1567	peculiar
19308	product
1103	blood
21175	sap
293	animals
447	plants
61021	glottis
3576	opening
37879	windpipe
66219	oesophagus
56489	gullet
43938	gneiss
3146	rock
2517	approaching
8046	granite
846	composition
678	laminated
40	produced
9508	alteration
41339	sedimentary
2189	deposit
9901	consolidation
67450	grallatores
661	called
15431	wading
294	birds
67880	storks
5219	cranes
67307	snipes
197	etc
1538	generally
4975	furnished
743	legs
5206	bare
741	feathers
1349	heel
3575	membranes
1992	toes
8046	granite
3146	rock
2044	consisting
484	essentially
1011	crystals
41233	felspar
7759	mica
119	mass
7665	quartz
2466	habitat
1870	locality
621	plant
67	animal
1683	naturally
1002	lives
3848	hemiptera
534	order
7271	sub
534	order
1699	insects
12259	characterised
1453	possession
3731	jointed
318	beak
54241	rostrum
7181	fore
742	wings
849	horny
46183	basal
2508	portion
1409	membranous
7212	extremity
1565	where
6474	cross
2846	group
5043	includes
6	various
1330	species
3847	bugs
67246	hermaphrodite
4095	possessing
1589	organs
4342	sexes
67393	homology
313	relation
748	parts
5065	results
955	development
7029	corresponding
46159	embryonic
748	parts
293	animals
2331	case
1497	arm
303	man
7181	fore
1481	leg
7068	quadruped
3875	wing
321	bird
2143	individual
2331	case
7181	fore
1532	hind
743	legs
7260	quadrupeds
3742	segments
3730	rings
3732	appendages
739	body
963	worm
3739	centipede
197	etc
768	composed
2330	latter
661	called
46258	serial
67393	homology
748	parts
513	stand
313	relation
867	said
27996	homologous
839	part
1412	organ
661	called
67481	homologue
447	plants
748	parts
939	flower
27996	homologous
915	general
748	parts
5703	regarded
27996	homologous
586	leaves
68053	homoptera
534	order
7271	sub
534	order
1699	insects
3848	hemiptera
3731	jointed
318	beak
7181	fore
742	wings
716	wholly
1409	membranous
716	wholly
7145	leathery
68054	cicadae
1029	frog
23288	hoppers
6866	aphides
664	known
2894	examples
21265	hybrid
1814	offspring
397	union
2115	distinct
1330	species
6754	hymenoptera
534	order
1699	insects
4095	possessing
2340	biting
2061	jaws
1409	membranous
742	wings
7529	veins
5346	bees
330	wasps
2456	familiar
2894	examples
2846	group
60399	hypertrophied
6668	excessively
946	developed
67705	ichneumonidae
1161	family
67303	hymenopterous
1699	insects
2376	members
1090	lay
753	eggs
718	bodies
753	eggs
1699	insects
68003	imago
947	perfect
1538	generally
3830	winged
61494	reproductive
1032	state
1083	insect
67351	indigenes
42913	aboriginal
67	animal
689	vegetable
6224	inhabitants
1093	country
2293	region
68041	inflorescence
1241	mode
2496	arrangement
588	flowers
447	plants
56355	infusoria
3195	class
1188	microscopic
67979	animalcules
661	called
6818	originally
2202	observed
22263	infusions
689	vegetable
709	matters
757	consist
60525	gelatinous
424	material
3670	enclosed
1053	delicate
3588	membrane
839	part
4975	furnished
49427	vibrating
2512	hairs
661	called
68055	cilia
553	means
67979	animalcules
1110	swim
635	water
1580	convey
673	minute
5287	particles
966	food
4488	orifice
749	mouth
3705	insectivorous
964	feeding
1699	insects
67852	invertebrata
9253	invertebrate
293	animals
293	animals
1302	possess
8114	backbone
22117	spinal
5835	column
67475	lacunae
1608	spaces
5393	tissues
1879	lower
293	animals
1873	serving
1216	place
12248	vessels
6127	circulation
7995	fluids
739	body
67580	lamellated
4975	furnished
21427	lamellae
5931	plates
3639	larva
42076	pl
22771	larvae
725	condition
1083	insect
14354	issuing
683	egg
838	form
4281	grub
3617	caterpillar
67981	maggot
55998	larynx
1040	upper
839	part
37879	windpipe
3576	opening
56489	gullet
67835	laurentian
2846	group
1414	greatly
5754	altered
4347	ancient
487	rocks
1414	greatly
946	developed
954	course
6536	st
5058	laurence
1761	whence
2109	name
14175	earliest
664	known
6836	traces
21627	organic
718	bodies
670	found
67315	leguminosae
534	order
447	plants
595	represented
733	common
6059	peas
11825	beans
565	irregular
939	flower
65747	petal
1310	stands
3875	wing
5851	stamens
17974	pistil
3670	enclosed
39313	sheath
981	formed
8413	petals
589	fruit
23712	pod
68056	legume
63432	lemuridae
2846	group
4812	handed
293	animals
2115	distinct
8661	monkeys
2517	approaching
3705	insectivorous
7260	quadrupeds
7165	characters
1240	habits
2376	members
2693	nostrils
1991	curved
8509	twisted
4349	claw
2785	instead
2144	nail
7195	finger
1532	hind
643	hands
8471	lepidoptera
534	order
1699	insects
12259	characterised
1453	possession
21418	spiral
48223	proboscis
5765	scaly
742	wings
5043	includes
664	known
3659	butterflies
3918	moths
35931	littoral
4044	inhabiting
1796	seashore
7761	loess
18259	marly
2189	deposit
2405	recent
166	post
8144	tertiary
32	date
8659	occupies
790	great
839	part
5250	valley
25711	rhine
68006	malacostraca
1027	higher
5319	division
64676	crustacea
5384	including
1264	ordinary
64351	crabs
17033	lobsters
64677	shrimps
197	etc
68057	woodlice
927	sand
23288	hoppers
7172	mammalia
2041	highest
3195	class
293	animals
5384	including
1264	ordinary
2530	hairy
7260	quadrupeds
7176	whales
303	man
12259	characterised
9506	production
21	young
19378	nourished
1813	birth
2835	milk
64472	teats
64421	mammae
61503	mammary
7171	glands
1199	mother
1889	striking
2178	difference
46159	embryonic
955	development
441	led
5319	division
3195	class
790	great
2830	groups
17631	embryo
1603	attained
2798	stage
21405	vascular
2446	connection
661	called
60825	placenta
981	formed
17631	embryo
1199	mother
21	young
40	produced
9458	incomplete
1032	state
116	former
5384	including
731	greater
839	part
3195	class
661	called
61329	placental
1572	mammals
2330	latter
68037	aplacental
1572	mammals
6991	include
67353	marsupials
68058	monotremes
67346	ornithorhynchus
54330	mammiferous
64421	mammae
64472	teats
486	see
7172	mammalia
6274	mandibles
1699	insects
13403	uppermost
2762	pair
2061	jaws
1538	generally
764	solid
849	horny
2340	biting
1589	organs
294	birds
2481	term
933	applied
2061	jaws
849	horny
23265	coverings
7260	quadrupeds
5582	mandible
1913	properly
1879	lower
2223	jaw
67353	marsupials
534	order
7172	mammalia
21	young
1140	born
9458	incomplete
1032	state
955	development
3238	carried
1199	mother
3983	sucking
46106	ventral
3236	pouch
68059	marsupium
3268	kangaroos
9207	opossums
197	etc
486	see
7172	mammalia
65252	maxillae
1699	insects
1879	lower
2762	pair
2061	jaws
768	composed
1999	joints
4975	furnished
1567	peculiar
3731	jointed
3732	appendages
661	called
67385	palpi
6885	feelers
67777	melanism
583	opposite
67178	albinism
20293	undue
955	development
39969	colouring
424	material
2298	skin
3732	appendages
44300	metamorphic
487	rocks
41339	sedimentary
487	rocks
3668	undergone
9508	alteration
1538	generally
469	action
3441	heat
7669	subsequently
7812	deposition
9901	consolidation
64675	mollusca
790	great
1015	divisions
67	animal
3725	kingdom
5384	including
293	animals
1896	soft
739	body
4975	furnished
3558	nervous
61071	ganglia
7007	centres
893	definite
915	general
2496	arrangement
1538	generally
664	known
49907	denomination
58275	shellfish
354	cuttle
355	fish
733	common
3565	snails
68060	whelks
26687	oysters
3564	mussels
8064	cockles
5879	serve
2894	examples
45356	monocotyledons
68061	monocotyledonous
447	plants
447	plants
732	seed
7590	sends
2168	single
732	seed
334	leaf
21390	cotyledon
12259	characterised
4815	absence
25651	consecutive
3823	layers
786	wood
609	stem
68062	endogenous
298	growth
7529	veins
586	leaves
1538	generally
1852	straight
748	parts
588	flowers
1538	generally
68046	multiples
2894	examples
4046	grasses
489	lilies
1886	orchids
1883	palms
197	etc
67894	moraines
39744	accumulations
4224	fragments
3146	rock
2657	brought
44313	glaciers
1020	morphology
3174	law
838	form
679	structure
1558	independent
5970	function
67999	mysis
2798	stage
2798	stage
955	development
3728	crustaceans
68063	prawns
796	closely
1957	resemble
3947	adults
2434	genus
67999	mysis
5238	belonging
1495	slightly
1879	lower
2846	group
45420	nascent
25823	commencing
955	development
67993	natatory
4233	adapted
1091	purpose
7098	swimming
67997	nauplius
838	form
14175	earliest
2798	stage
955	development
64676	crustacea
1731	especially
5238	belonging
1879	lower
2830	groups
2798	stage
67	animal
739	body
6528	indistinct
8364	indications
5319	division
3742	segments
3738	pairs
14241	fringed
1533	limbs
838	form
733	common
568	fresh
635	water
56264	cyclops
2395	described
2115	distinct
2434	genus
2109	name
67997	nauplius
67417	neuration
2496	arrangement
7529	veins
68064	nervures
742	wings
1699	insects
6761	neuters
8495	imperfectly
946	developed
1710	females
4311	social
1699	insects
336	ants
5346	bees
6633	perform
37910	labours
2562	community
2289	hence
661	called
5193	workers
64991	nictitating
3588	membrane
2230	semi
1166	transparent
3588	membrane
1893	drawn
1315	eye
294	birds
2813	reptiles
7805	moderate
17321	effects
2341	strong
3104	light
7748	sweep
5287	particles
7105	dust
197	etc
935	surface
1315	eye
67701	ocelli
515	simple
1740	eyes
68065	stemmata
1699	insects
1901	situated
1348	crown
747	head
790	great
832	compound
1740	eyes
66219	oesophagus
56489	gullet
6838	oolitic
790	great
951	series
16491	secondary
487	rocks
661	called
7164	texture
2376	members
860	appear
413	made
119	mass
683	egg
47177	calcareous
718	bodies
46122	operculum
47177	calcareous
8582	plate
5601	employed
68066	molluscae
2171	aperture
67413	opercular
37880	valves
67337	cirripedes
2171	aperture
15166	orbit
2190	bony
4225	cavity
7435	reception
1315	eye
22183	organism
60453	organised
621	plant
67	animal
67405	orthospermous
2481	term
933	applied
2614	fruits
67400	umbelliferae
732	seed
1852	straight
67964	osculant
2162	forms
2830	groups
2022	apparently
2196	intermediate
23335	connecting
2830	groups
867	said
67964	osculant
67476	ova
753	eggs
67521	ovarium
21162	ovary
447	plants
1879	lower
839	part
17974	pistil
1688	female
1412	organ
939	flower
2273	containing
21393	ovules
22306	incipient
620	seeds
298	growth
1589	organs
939	flower
3881	fallen
762	becomes
5392	converted
589	fruit
67472	ovigerous
683	egg
3297	bearing
21393	ovules
447	plants
620	seeds
14175	earliest
725	condition
64134	pachyderms
2846	group
7172	mammalia
661	called
1904	thick
4967	skins
5384	including
2575	elephant
9186	rhinoceros
16847	hippopotamus
197	etc
44077	palaeozoic
2646	oldest
4412	system
67156	fossiliferous
487	rocks
67385	palpi
3731	jointed
3732	appendages
1589	organs
749	mouth
1699	insects
64676	crustacea
68067	papilionaceae
534	order
447	plants
486	see
67315	leguminosae
588	flowers
447	plants
661	called
67328	papilionaceous
3925	butterfly
9119	fancied
7383	resemblance
1954	expanded
4513	superior
8413	petals
742	wings
3925	butterfly
6493	parasite
67	animal
621	plant
989	expense
22183	organism
67322	parthenogenesis
9506	production
21525	organisms
45626	unimpregnated
753	eggs
620	seeds
60292	pedunculated
1990	supported
609	stem
6463	stalk
60292	pedunculated
4201	oak
21985	acorns
2442	borne
12985	footstool
67401	peloria
68068	pelorism
1615	appearance
4260	regularity
679	structure
588	flowers
447	plants
21534	normally
1969	bear
565	irregular
588	flowers
1951	pelvis
2190	bony
5877	arch
1532	hind
1533	limbs
2748	vertebrate
293	animals
7208	articulated
8413	petals
586	leaves
17975	corolla
5805	circle
1589	organs
939	flower
1053	delicate
7164	texture
7911	brightly
3288	coloured
67990	phyllodineous
3741	flattened
334	leaf
1906	twigs
68069	leafstalks
2785	instead
586	leaves
41487	pigment
39969	colouring
424	material
40	produced
1538	generally
7670	superficial
748	parts
293	animals
3551	cells
2866	secreting
661	called
41487	pigment
3551	cells
67991	pinnate
3297	bearing
35327	leaflets
1503	side
5634	central
6463	stalk
21233	pistils
1688	female
1589	organs
939	flower
3855	occupy
1464	position
1907	centre
27199	floral
1589	organs
17974	pistil
1538	generally
37846	divisible
21162	ovary
67757	germen
433	style
49180	stigma
68070	placentalia
68071	placentata
61329	placental
1572	mammals
486	see
7172	mammalia
63648	plantigrades
7260	quadrupeds
1490	walk
1554	sole
1482	foot
3272	bears
41336	plastic
1443	readily
1822	capable
889	change
44284	pleistocene
2772	period
13349	latest
2508	portion
8144	tertiary
8131	epoch
67940	plumule
447	plants
673	minute
46214	bud
732	seed
586	leaves
10727	newly
67874	germinated
447	plants
43937	plutonic
487	rocks
487	rocks
4480	supposed
40	produced
44293	igneous
469	action
7814	depths
64	earth
5829	pollen
1183	male
452	element
17619	flowering
447	plants
627	fine
7105	dust
40	produced
21228	anthers
1211	contact
49180	stigma
17321	effects
67718	fecundation
620	seeds
21981	impregnation
2657	brought
553	means
5842	tubes
5829	pollen
5842	tubes
6776	issue
5829	pollen
619	grains
6494	adhering
49180	stigma
7504	penetrate
5393	tissues
4599	reach
21162	ovary
67412	polyandrous
588	flowers
588	flowers
5851	stamens
3289	polygamous
447	plants
447	plants
588	flowers
67338	unisexual
1025	others
67246	hermaphrodite
67338	unisexual
1183	male
1688	female
588	flowers
447	plants
67241	polymorphic
2590	presenting
2162	forms
67630	polyzoary
733	common
679	structure
981	formed
3551	cells
67628	polyzoa
664	known
68072	seamats
64416	prehensile
1822	capable
1649	grasping
67329	prepotent
13911	superiority
1627	power
50835	primaries
741	feathers
763	forming
5623	tip
3875	wing
321	bird
15016	inserted
839	part
7194	represents
418	hand
303	man
4003	processes
2692	projecting
4825	portions
778	bones
12128	attachment
2132	muscles
48833	ligaments
197	etc
5908	propolis
52725	resinous
424	material
760	collected
68073	hivebees
3576	opening
3600	buds
6	various
1377	trees
67240	protean
2423	exceedingly
925	variable
67854	protozoa
2749	lowest
790	great
5319	division
67	animal
3725	kingdom
293	animals
768	composed
60525	gelatinous
424	material
1725	show
4280	scarcely
905	trace
2115	distinct
1589	organs
56355	infusoria
67853	foraminifera
44632	sponges
2162	forms
2937	belong
5319	division
3687	pupa
42076	pl
67686	pupae
2798	stage
955	development
1083	insect
3645	emerges
947	perfect
3830	winged
61494	reproductive
838	form
1699	insects
3666	pupal
2798	stage
2076	passed
947	perfect
1847	repose
3635	chrysalis
3666	pupal
1032	state
3659	butterflies
21392	radicle
673	minute
611	root
17631	embryo
621	plant
42717	ramus
1328	half
1879	lower
2223	jaw
7172	mammalia
2508	portion
2640	rises
6480	articulate
2183	skull
661	called
5745	ascending
42717	ramus
443	range
1341	extent
1093	country
621	plant
67	animal
1683	naturally
2432	spread
443	range
607	time
19566	expresses
2622	distribution
1330	species
2846	group
67156	fossiliferous
3484	beds
64	earth
3533	crust
49387	retina
1053	delicate
1997	inner
2947	coat
1315	eye
981	formed
3558	nervous
8490	filaments
4894	spreading
49421	optic
3555	nerve
1873	serving
6941	perception
7006	impressions
40	produced
3104	light
32630	retrogression
2505	backward
955	development
67	animal
2594	approaches
2760	maturity
762	becomes
1323	perfectly
60453	organised
2896	expected
3429	stages
664	known
43827	relationships
867	said
3128	undergo
20188	retrograde
955	development
6708	metamorphosis
67361	rhizopods
3195	class
2854	lowly
60453	organised
293	animals
67854	protozoa
60525	gelatinous
739	body
935	surface
6534	protruded
838	form
611	root
4003	processes
8490	filaments
5879	serve
1590	locomotion
67498	prehension
966	food
534	order
67853	foraminifera
4027	rodents
12630	gnawing
7172	mammalia
8864	rats
2828	rabbits
4034	squirrels
1731	especially
12259	characterised
1453	possession
2168	single
2762	pair
5969	chisel
335	cutting
1225	teeth
2223	jaw
9201	grinding
1225	teeth
790	great
5081	gap
67242	rubus
44482	bramble
2434	genus
943	rudimentary
8495	imperfectly
946	developed
22262	ruminants
2846	group
7260	quadrupeds
68074	ruminate
15321	chew
12081	cud
9050	oxen
3885	sheep
2742	deer
5038	divided
9062	hoofs
4578	destitute
4925	front
1225	teeth
1040	upper
2223	jaw
61522	sacral
5238	belonging
60479	sacrum
7188	bone
768	composed
124	united
65018	vertebrae
584	sides
1951	pelvis
2748	vertebrate
293	animals
615	attached
67457	sarcode
60525	gelatinous
424	material
718	bodies
2749	lowest
293	animals
67854	protozoa
768	composed
67193	scutellae
849	horny
5931	plates
1346	feet
294	birds
1538	generally
740	covered
1731	especially
4925	front
41339	sedimentary
41338	formations
487	rocks
680	deposited
44078	sediments
635	water
3742	segments
2523	transverse
3730	rings
739	body
6480	articulate
67	animal
67364	annelid
768	composed
21388	sepals
586	leaves
3742	segments
21230	calyx
1996	outermost
8373	envelope
1264	ordinary
939	flower
880	green
7911	brightly
3288	coloured
67511	serratures
1225	teeth
338	saw
61427	sessile
1990	supported
609	stem
68075	footstalk
67824	silurian
4412	system
4347	ancient
4412	system
67156	fossiliferous
487	rocks
5238	belonging
1297	earlier
839	part
44077	palaeozoic
951	series
67356	specialisation
10030	setting
1812	apart
2917	particular
1412	organ
5818	performance
2917	particular
5970	function
22117	spinal
3865	cord
5634	central
2508	portion
3558	nervous
4412	system
7204	vertebrata
1865	descends
6088	brain
13088	arches
65018	vertebrae
695	gives
813	nearly
5712	nerves
6	various
1589	organs
739	body
5851	stamens
1183	male
1589	organs
17619	flowering
447	plants
2284	standing
5805	circle
8413	petals
757	consist
46085	filament
17973	anther
17973	anther
852	essential
839	part
5829	pollen
57636	fecundating
7105	dust
981	formed
60878	sternum
2960	breast
7188	bone
49180	stigma
46021	apical
2508	portion
17974	pistil
17619	flowering
447	plants
21219	stipules
1880	leafy
1589	organs
750	placed
1779	base
68076	footstalks
586	leaves
447	plants
433	style
2221	middle
2508	portion
947	perfect
17974	pistil
2640	rises
5835	column
21162	ovary
7662	supports
49180	stigma
1876	summit
22482	subcutaneous
1901	situated
2298	skin
67971	suctorial
4233	adapted
3983	sucking
60468	sutures
2183	skull
4263	lines
16513	junction
778	bones
2183	skull
768	composed
56754	tarsus
42076	pl
66074	tarsi
3731	jointed
1346	feet
6480	articulate
293	animals
1699	insects
67357	teleostean
295	fishes
295	fishes
958	kind
2456	familiar
967	day
5697	skeleton
1628	completely
57829	ossified
5110	scales
849	horny
67639	tentacula
8482	tentacles
1053	delicate
5776	fleshy
1589	organs
67498	prehension
503	touch
1393	possessed
1879	lower
293	animals
8144	tertiary
13349	latest
6220	geological
8131	epoch
2436	preceding
6874	establishment
534	order
530	things
61354	trachea
37879	windpipe
1658	passage
11465	admission
821	air
1037	lungs
67617	tridactyle
16105	fingered
768	composed
9669	movable
748	parts
615	attached
733	common
1779	base
67825	trilobites
1567	peculiar
2846	group
3469	extinct
3728	crustaceans
1026	somewhat
1398	resembling
68057	woodlice
2146	external
838	form
1822	capable
2542	rolling
2402	ball
525	remains
670	found
44077	palaeozoic
487	rocks
2262	abundantly
67824	silurian
1829	age
67333	trimorphic
2590	presenting
2115	distinct
2162	forms
67400	umbelliferae
534	order
447	plants
588	flowers
771	contain
5851	stamens
17974	pistil
23289	styles
1990	supported
68076	footstalks
879	spring
1863	top
939	flower
609	stem
2432	spread
27833	wires
320	umbrella
2739	bring
588	flowers
747	head
68077	umbel
813	nearly
1456	level
2894	examples
33700	parsley
39823	carrot
63991	ungulata
66178	hoofed
7260	quadrupeds
46031	unicellular
2044	consisting
2168	single
3407	cell
21405	vascular
2273	containing
1103	blood
12248	vessels
21425	vermiform
963	worm
7204	vertebrata
2748	vertebrate
293	animals
2041	highest
5319	division
67	animal
3725	kingdom
661	called
2287	presence
2643	cases
8114	backbone
768	composed
2552	numerous
1999	joints
65018	vertebrae
7351	constitutes
1907	centre
5697	skeleton
607	time
7662	supports
8781	protects
5634	central
748	parts
3558	nervous
4412	system
21209	whorls
5655	circles
21418	spiral
4263	lines
748	parts
447	plants
3680	arranged
16951	axis
298	growth
5193	workers
486	see
6761	neuters
67998	zoea
2798	stage
14175	earliest
2798	stage
955	development
1027	higher
64676	crustacea
661	called
2109	name
67998	zoea
933	applied
21	young
293	animals
4480	supposed
1271	constitute
1567	peculiar
2434	genus
67634	zooids
1879	lower
293	animals
40095	corals
68078	medusae
197	etc
19069	reproduction
878	takes
1216	place
446	ways
7117	namely
553	means
753	eggs
648	process
15802	budding
12135	separation
2955	parent
19308	product
2330	latter
683	egg
6229	individuality
1330	species
595	represented
838	form
40	produced
8601	sexual
24711	reproductions
2162	forms
2022	apparently
2143	individual
293	animals
661	called
68079	zooide
7210	index
48134	aberrant
2830	groups
9152	abyssinia
447	plants
67144	acclimatisation
67529	adoxa
43973	affinities
3469	extinct
1330	species
21627	organic
1021	beings
517	agassiz
67388	amblyopsis
2830	groups
1330	species
1099	suddenly
4475	appearing
9634	prophetic
2162	forms
67161	embryological
1607	succession
8260	glacial
2772	period
67161	embryological
7165	characters
13349	latest
8144	tertiary
2162	forms
7754	parallelism
67161	embryological
955	development
6220	geological
1607	succession
17258	alex
67616	pedicellariae
46264	algae
7756	zealand
3451	alligators
1806	males
3059	fighting
1606	alternate
2811	generations
67388	amblyopsis
6082	blind
355	fish
1254	america
2278	north
26943	productions
797	allied
7317	europe
7772	boulders
44313	glaciers
2627	south
6050	modern
41338	formations
182	west
2642	coast
44309	ammonites
2079	sudden
20063	extinction
67709	anagallis
18823	sterility
2239	analogy
6816	variations
44510	andaman
1333	islands
2648	inhabited
1154	toad
67911	ancylus
293	animals
2017	domesticated
925	variable
2897	domestic
3199	descended
21025	stocks
67144	acclimatisation
293	animals
3225	australia
4573	thicker
7282	fur
634	cold
21201	climates
6082	blind
4074	caves
3469	extinct
3225	australia
67703	anomma
67002	antarctic
1333	islands
4347	ancient
18329	flora
67949	antechinus
336	ants
2690	attending
6866	aphides
6895	slave
1422	making
1174	instinct
6761	neuters
679	structure
304	apes
1601	acquired
9385	intellectual
508	powers
6866	aphides
5192	attended
336	ants
6877	aphis
955	development
67068	apteryx
18021	arab
2741	horses
67863	aralo
34588	caspian
65	sea
67818	archeopteryx
67844	archiac
1771	de
1607	succession
1330	species
58699	artichoke
17837	jerusalem
44449	ascension
447	plants
4851	asclepias
5829	pollen
40043	asparagus
67934	aspicarpa
9204	asses
7865	striped
7729	improved
6819	selection
67375	ateuchus
67924	aucapitaine
274	land
488	shells
4327	audubon
1240	habits
42334	frigate
321	bird
2174	variation
294	birds
311	nests
32257	heron
4036	eating
620	seeds
3225	australia
293	animals
5673	dogs
3469	extinct
293	animals
1305	european
447	plants
44313	glaciers
6542	azara
738	flies
5242	destroying
4989	cattle
34005	azores
18329	flora
67248	babington
390	mr
5732	british
447	plants
67137	baer
7757	von
1124	standard
35538	highness
2675	comparison
3942	bee
355	fish
46159	embryonic
2460	similarity
7204	vertebrata
10345	baker
322	sir
43977	giraffe
67407	balancement
298	growth
63796	baleen
67331	barberry
588	flowers
67829	barrande
67824	silurian
5433	colonies
1607	succession
1330	species
7754	parallelism
44077	palaeozoic
41338	formations
43973	affinities
4347	ancient
1330	species
13370	barriers
795	importance
6189	bates
390	mr
8724	mimetic
3659	butterflies
45645	batrachians
1333	islands
345	bats
679	structure
1601	acquired
2622	distribution
1969	bear
5807	catching
635	water
1699	insects
3920	beauty
1601	acquired
3942	bee
6323	sting
231	queen
2559	killing
17306	rivals
3470	australian
12628	extermination
5346	bees
1150	fertilizing
588	flowers
5866	hive
3983	sucking
3760	red
40093	clover
5866	hive
3407	cell
1422	making
1174	instinct
34892	ligurian
2174	variation
1240	habits
5346	bees
1885	parasitic
5519	humble
3551	cells
3654	beetles
3718	wingless
21077	madeira
9646	deficient
66074	tarsi
43091	bentham
390	mr
5732	british
447	plants
7167	classification
26250	berkeley
390	mr
620	seeds
896	salt
635	water
44421	bermuda
294	birds
294	birds
21968	acquiring
4098	fear
3920	beauty
5205	annually
6474	cross
117	atlantic
9916	colour
15296	continents
9608	footsteps
525	remains
16491	secondary
487	rocks
6834	fossil
4074	caves
3392	brazil
21077	madeira
44421	bermuda
67249	galapagos
572	song
1806	males
17477	transporting
620	seeds
68080	waders
3718	wingless
67870	bizcacha
43973	affinities
1050	bladder
7098	swimming
355	fish
13337	blindness
7417	cave
293	animals
32328	blyth
390	mr
14299	distinctness
3228	indian
4989	cattle
7865	striped
9122	hemionus
2356	crossed
5212	geese
11070	borrow
390	mr
15379	spanish
49321	pointer
64148	bory
6536	st
4831	vincent
45645	batrachians
67820	bosquet
6834	fossil
67794	chthamalus
7772	boulders
6616	erratic
34005	azores
67467	branchiae
3728	crustaceans
24853	braun
5244	prof
620	seeds
68081	fumariaceae
42528	brent
390	mr
3901	house
28374	tumblers
7473	britain
1572	mammals
44876	broca
5244	prof
4	natural
6819	selection
45661	bronn
5244	prof
4378	duration
7817	specific
2162	forms
6	various
23735	objections
239	brown
17908	robert
7167	classification
239	brown
67376	sequard
6959	inherited
60127	mutilations
60211	busk
390	mr
67628	polyzoa
3659	butterflies
8724	mimetic
67773	buzareingues
18823	sterility
2149	varieties
40077	cabbage
2149	varieties
2356	crossed
67725	calceolaria
16889	canary
294	birds
18823	sterility
17449	hybrids
2276	cape
1771	de
23034	verde
1333	islands
26943	productions
447	plants
1791	mountains
2276	cape
1205	good
1206	hope
447	plants
5945	carpenter
1355	dr
67853	foraminifera
68082	carthemus
67496	catasetum
8329	cats
4422	blue
1740	eyes
11778	deaf
2174	variation
1240	habits
8581	curling
3136	tail
2892	going
879	spring
4989	cattle
5242	destroying
8204	fir
1377	trees
2797	destroyed
738	flies
6543	paraguay
5047	breeds
23445	locally
3469	extinct
22934	fertility
3228	indian
1305	european
5047	breeds
3228	indian
7417	cave
6224	inhabitants
6082	blind
67982	cecidomyia
33773	celts
28492	proving
13969	antiquity
303	man
7007	centres
6824	creation
68083	cephalopodae
4560	structures
1740	eyes
955	development
64265	cercopithecus
3136	tail
67575	ceroxylus
67576	laceratus
64068	cervulus
7178	cetacea
1225	teeth
1821	hair
955	development
51286	whalebone
48202	cetaceans
18231	ceylon
447	plants
7689	chalk
7639	formation
7165	characters
46257	divergence
8601	sexual
925	variable
7033	adaptive
67158	analogical
67291	charlock
9560	checks
2764	increase
4187	mutual
67631	chelae
3728	crustaceans
2856	chickens
6191	instinctive
52140	tameness
67984	chironomus
68084	asexual
19069	reproduction
67793	chthamalinae
67794	chthamalus
68085	cretacean
1330	species
2364	circumstances
14207	favourable
6819	selection
2897	domestic
825	products
4	natural
6819	selection
67337	cirripedes
1822	capable
5793	crossing
67409	carapace
67191	aborted
67472	ovigerous
67473	frena
6834	fossil
22771	larvae
67484	claparede
5244	prof
1821	hair
67487	claspers
67486	acaridae
8228	clarke
227	rev
359	old
44313	glaciers
3225	australia
7167	classification
45127	clift
390	mr
1607	succession
2727	types
4168	climate
17321	effects
5237	checking
2764	increase
1021	beings
6997	adaptation
21525	organisms
1480	climbing
447	plants
955	development
40093	clover
2641	visited
5346	bees
67462	cobites
44027	intestine
67000	cockroach
1257	collections
44810	palaeontological
3255	poor
9916	colour
18073	influenced
4168	climate
313	relation
3112	attacks
738	flies
42168	columba
67195	livia
2955	parent
2897	domestic
4324	pigeons
67912	colymbetes
23758	compensation
298	growth
67399	compositae
588	flowers
620	seeds
934	outer
1997	inner
67397	florets
1183	male
588	flowers
6630	conclusion
915	general
539	conditions
972	slight
952	changes
14207	favourable
22934	fertility
67143	convergence
6233	genera
42996	coot
12894	cope
5244	prof
21522	acceleration
22584	retardation
2772	period
19069	reproduction
44283	coral
1333	islands
620	seeds
9030	drifted
9330	reefs
9404	indicating
1574	movements
64	earth
819	corn
68086	crake
67141	correlated
2174	variation
2897	domestic
26943	productions
67493	coryanthes
6824	creation
2168	single
7007	centres
67715	crinum
67782	croll
390	mr
67783	subaerial
41331	denudation
1829	age
2646	oldest
41338	formations
1606	alternate
8260	glacial
843	periods
2278	north
2627	south
8649	crosses
6072	reciprocal
5793	crossing
2897	domestic
293	animals
795	importance
32481	altering
5047	breeds
3057	advantages
11423	unfavourable
6819	selection
24892	cruger
1355	dr
67493	coryanthes
64676	crustacea
7756	zealand
67826	crustacean
6082	blind
821	air
68087	breathers
3728	crustaceans
67631	chelae
8792	cryptocerus
67379	ctenomys
6082	blind
4554	cuckoo
1174	instinct
27246	cunningham
390	mr
1644	flight
67372	logger
3252	headed
5578	duck
16823	currants
54561	grafts
5556	currents
65	sea
2243	rate
2090	cuvier
539	conditions
844	existence
6834	fossil
8661	monkeys
2090	cuvier
17256	fred
1174	instinct
67925	cyclostoma
21014	resisting
896	salt
635	water
17189	dana
5244	prof
6082	blind
7417	cave
293	animals
501	relations
3728	crustaceans
22690	japan
3728	crustaceans
7756	zealand
22801	dawson
1355	dr
67834	eozoon
1771	de
67254	candolle
9257	aug
68088	pyr
3075	struggle
844	existence
67400	umbelliferae
915	general
43973	affinities
1771	de
67254	candolle
67352	alph
2122	variability
5004	oaks
1788	low
447	plants
2585	widely
6736	dispersed
2585	widely
9785	ranging
447	plants
925	variable
58782	naturalisation
3830	winged
620	seeds
33918	alpine
1330	species
1099	suddenly
3504	becoming
1875	rare
2622	distribution
447	plants
620	seeds
3633	vegetation
3225	australia
568	fresh
635	water
447	plants
22967	insular
447	plants
12318	degradation
487	rocks
41331	denudation
2243	rate
2646	oldest
487	rocks
8046	granite
22441	areas
955	development
4347	ancient
2162	forms
6835	devonian
4412	system
67739	dianthus
22934	fertility
8649	crosses
67151	dimorphism
447	plants
8550	dirt
1346	feet
294	birds
10244	dispersal
553	means
8260	glacial
2772	period
2622	distribution
2426	geographical
553	means
10544	disuse
5087	effect
439	nature
50568	diversification
553	means
915	general
1091	purpose
5319	division
7045	physiological
10555	labour
46257	divergence
35	character
2093	dog
7383	resemblance
2223	jaw
67952	thylacinus
5673	dogs
7446	hairless
8027	imperfect
1225	teeth
3199	descended
343	wild
21025	stocks
2897	domestic
3187	instincts
6959	inherited
58249	civilisation
22934	fertility
5047	breeds
8649	crosses
814	proportions
739	body
5047	breeds
21	young
2345	domestication
2174	variation
2169	double
588	flowers
36143	downing
390	mr
589	fruit
1377	trees
1254	america
7925	dragon
738	flies
8017	intestines
4019	drift
8210	timber
9764	driver
339	ant
5347	drones
2031	killed
5346	bees
5578	duck
2897	domestic
742	wings
2839	reduced
318	beak
67372	logger
3252	headed
68089	duckweed
63803	dugong
43973	affinities
5442	dung
3654	beetles
9646	deficient
66074	tarsi
67910	dyticus
20424	earl
390	mr
9308	malay
1362	archipelago
890	ears
4749	drooping
2897	domestic
293	animals
943	rudimentary
64	earth
620	seeds
948	roots
1377	trees
5165	charged
620	seeds
67615	echinodermata
67616	pedicellariae
67698	eciton
2876	economy
12920	organisation
64094	edentata
1225	teeth
1821	hair
6834	fossil
1330	species
19525	edwards
45135	milne
7045	physiological
5319	division
10555	labour
10254	gradations
679	structure
19525	edwards
67161	embryological
7165	characters
753	eggs
21	young
294	birds
1479	escaping
17393	egypt
26943	productions
6124	modified
15267	electric
1589	organs
2575	elephant
2243	rate
2764	increase
8260	glacial
2772	period
67157	embryology
67834	eozoon
68090	canadense
68091	epilipsy
6959	inherited
844	existence
3075	struggle
725	condition
20063	extinction
3297	bearing
4	natural
6819	selection
2897	domestic
2149	varieties
1315	eye
679	structure
11964	correction
54458	aberration
1740	eyes
2839	reduced
3706	moles
6222	fabre
6754	hymenoptera
3059	fighting
1885	parasitic
67683	sphex
8349	sitaris
44804	falconer
1355	dr
58782	naturalisation
447	plants
7284	india
2568	elephants
53249	mastodons
67864	cautley
1572	mammals
7271	sub
52410	himalayan
3484	beds
43109	falkland
1333	islands
4089	wolf
5997	faults
67383	faunas
5604	marine
4098	fear
6191	instinctive
294	birds
1346	feet
294	birds
21	young
67831	molluscs
6494	adhering
67285	fertilisation
7994	variously
1531	effected
22934	fertility
17449	hybrids
972	slight
952	changes
539	conditions
2356	crossed
2149	varieties
8204	fir
1377	trees
2797	destroyed
4989	cattle
5829	pollen
355	fish
1571	flying
67357	teleostean
2079	sudden
1615	appearance
4036	eating
620	seeds
568	fresh
635	water
2622	distribution
295	fishes
67344	ganoid
5200	confined
568	fresh
635	water
67344	ganoid
568	fresh
635	water
15267	electric
1589	organs
4097	southern
7272	hemisphere
1644	flight
508	powers
1601	acquired
720	flint
9870	tools
28492	proving
13969	antiquity
303	man
939	flower
5244	prof
55998	larynx
67849	halitherium
7383	resemblance
2061	jaws
2093	dog
67952	thylacinus
67393	homology
1346	feet
67353	marsupials
588	flowers
679	structure
313	relation
5793	crossing
14634	composite
67400	umbelliferae
3920	beauty
2169	double
67795	flysch
7639	formation
4578	destitute
21627	organic
525	remains
5440	forbes
390	mr
8260	glacial
469	action
5635	andes
5440	forbes
3038	colours
488	shells
10518	abrupt
443	range
488	shells
2503	depth
67154	poorness
44810	palaeontological
1257	collections
7657	continuous
1607	succession
6233	genera
18896	continental
48070	extensions
2622	distribution
8260	glacial
2772	period
7754	parallelism
607	time
1057	space
1268	forests
952	changes
1254	america
7639	formation
6835	devonian
41335	cambrian
33779	intermittent
4056	thickness
7473	britain
6842	formica
6904	rufescens
6924	sanguinea
6940	flava
6809	neuter
2162	forms
2854	lowly
60453	organised
4096	enduring
67473	frena
67472	ovigerous
67337	cirripedes
568	fresh
635	water
26943	productions
10244	dispersal
29369	fries
1330	species
6233	genera
796	closely
797	allied
1330	species
42334	frigate
321	bird
299	frogs
1333	islands
589	fruit
1377	trees
1642	gradual
11299	improvement
124	united
125	states
2149	varieties
58746	acclimatised
124	united
125	states
67746	fuci
2356	crossed
7282	fur
4573	thicker
634	cold
21201	climates
9037	furze
67249	galapagos
1362	archipelago
294	birds
26943	productions
67907	galaxias
1670	wide
443	range
64140	galeopithecus
5299	game
2764	increase
2757	checked
11869	vermin
67330	gartner
18823	sterility
17449	hybrids
6072	reciprocal
8649	crosses
2356	crossed
36730	maize
67719	verbascum
2675	comparison
17449	hybrids
67153	mongrels
67845	gaudry
5244	prof
2196	intermediate
6233	genera
6834	fossil
1572	mammals
35731	attica
5212	geese
22934	fertility
2356	crossed
23145	upland
67781	geikie
390	mr
67783	subaerial
41331	denudation
52336	genealogy
7167	classification
2811	generations
1606	alternate
56926	geoffroy
6536	st
37528	hilaire
67407	balancement
27996	homologous
1589	organs
56926	geoffroy
6536	st
37528	hilaire
40812	isidore
2122	variability
652	repeated
748	parts
67173	correlation
56385	monstrosities
67173	correlation
925	variable
748	parts
11161	monstrous
2426	geographical
2622	distribution
15295	geography
4347	ancient
38061	geology
2984	future
1528	progress
37840	imperfection
5402	record
52542	gervais
5244	prof
67847	typotherium
43977	giraffe
3136	tail
679	structure
8260	glacial
2772	period
4646	affecting
2278	north
2627	south
7171	glands
61503	mammary
30094	gmelin
2622	distribution
42824	godwin
16049	austin
390	mr
9308	malay
1362	archipelago
33956	goethe
23758	compensation
298	growth
67558	gomphia
51994	gooseberry
54561	grafts
5825	gould
1355	dr
9257	aug
274	land
488	shells
5825	gould
390	mr
3038	colours
294	birds
3187	instincts
4554	cuckoo
2622	distribution
6233	genera
294	birds
68092	gourds
2356	crossed
67310	graba
67313	uria
67314	lacrymans
22748	grafting
10107	capacity
8046	granite
22441	areas
51169	denuded
4046	grasses
2149	varieties
2497	gray
1355	dr
42272	asa
2122	variability
5004	oaks
303	man
6871	causing
2122	variability
4342	sexes
51424	holly
1377	trees
124	united
125	states
58855	naturalised
447	plants
124	united
125	states
67546	aestivation
11747	rarity
2196	intermediate
2149	varieties
33918	alpine
447	plants
2497	gray
1355	dr
7865	striped
17705	mule
60216	grebe
48449	grimm
68084	asexual
19069	reproduction
2830	groups
48134	aberrant
3833	grouse
3038	colours
3760	red
7308	doubtful
1330	species
298	growth
23758	compensation
65732	gunther
1355	dr
1789	flat
355	fish
64416	prehensile
1223	tails
295	fishes
17666	panama
443	range
568	fresh
635	water
295	fishes
1533	limbs
67347	lepidosiren
7758	haast
1355	dr
44313	glaciers
7756	zealand
479	habit
5087	effect
2345	domestication
5087	effect
439	nature
8525	diversified
1330	species
68093	hackel
5244	prof
7167	classification
4263	lines
5736	descent
1821	hair
1225	teeth
67141	correlated
67849	halitherium
41896	harcourt
390	mr
294	birds
21077	madeira
67893	hartung
7772	boulders
34005	azores
2509	hazel
8158	nuts
47038	hearne
1240	habits
3272	bears
6945	heath
952	changes
3633	vegetation
51538	hector
1355	dr
44313	glaciers
7756	zealand
29607	heer
22535	oswald
4347	ancient
3435	cultivated
447	plants
447	plants
21077	madeira
67551	helianthemum
49714	helix
67923	pomatia
21014	resisting
896	salt
635	water
63160	helmholtz
37840	imperfection
2019	human
1315	eye
67877	helosciadium
9122	hemionus
7865	striped
7769	hensen
1355	dr
1740	eyes
46551	cephalopods
8789	herbert
3075	struggle
844	existence
18823	sterility
17449	hybrids
67323	hermaphrodites
5793	crossing
32257	heron
4036	eating
732	seed
32257	heron
322	sir
59060	peacocks
67174	heusinger
411	white
293	animals
7594	poisoned
447	plants
17130	hewitt
390	mr
18823	sterility
8649	crosses
33246	hildebrand
5244	prof
3422	self
18823	sterility
67722	corydalis
67807	hilgendorf
2196	intermediate
2149	varieties
47358	himalaya
44313	glaciers
447	plants
67721	hippeastrum
67612	hippocampus
46151	hofmeister
5244	prof
1574	movements
447	plants
51424	holly
1377	trees
4342	sexes
49806	hooker
1355	dr
1377	trees
7756	zealand
67144	acclimatisation
52410	himalayan
1377	trees
588	flowers
67400	umbelliferae
1464	position
21393	ovules
44313	glaciers
47358	himalaya
46264	algae
7756	zealand
3633	vegetation
1779	base
47358	himalaya
447	plants
7085	tierra
7086	del
7087	fuego
3470	australian
447	plants
501	relations
18329	flora
1254	america
18329	flora
67002	antarctic
56	lands
447	plants
67249	galapagos
44313	glaciers
19276	lebanon
303	man
6871	causing
2122	variability
447	plants
1791	mountains
31954	fernando
3770	po
7374	hooks
1883	palms
620	seeds
1333	islands
15238	hopkins
390	mr
41331	denudation
44333	hornbill
841	remarkable
1174	instinct
16654	horns
943	rudimentary
2870	horse
6834	fossil
13545	la
24062	plata
814	proportions
21	young
2741	horses
2797	destroyed
738	flies
6543	paraguay
7865	striped
67224	horticulturists
6819	selection
933	applied
5923	huber
3551	cells
5346	bees
5923	huber
1765	reason
5750	blended
1174	instinct
2450	habitual
439	nature
3187	instincts
6895	slave
1422	making
336	ants
67690	melipona
67691	domestica
5014	hudson
390	mr
626	ground
404	woodpecker
13545	la
24062	plata
67149	molothrus
5519	humble
5346	bees
3551	cells
1803	hunter
16491	secondary
8601	sexual
7165	characters
63867	hutton
9700	captain
2356	crossed
5212	geese
297	huxley
5244	prof
679	structure
67323	hermaphrodites
43973	affinities
7180	sirenia
2162	forms
23335	connecting
294	birds
2813	reptiles
27996	homologous
1589	organs
955	development
6877	aphis
17449	hybrids
67153	mongrels
894	compared
67150	hybridism
54051	hydra
679	structure
6754	hymenoptera
3059	fighting
67303	hymenopterous
1083	insect
49509	diving
67535	hyoseris
67410	ibla
67892	icebergs
17477	transporting
620	seeds
2764	increase
2243	rate
2142	individuals
1159	numbers
14207	favourable
6819	selection
1526	simultaneously
2826	created
1200	inheritance
509	laws
7029	corresponding
5050	ages
1699	insects
9916	colour
979	fitted
22713	stations
65	sea
1503	side
3038	colours
6082	blind
4074	caves
13271	luminous
7383	resemblance
502	objects
6809	neuter
1174	instinct
6422	varying
1526	simultaneously
679	structure
3187	instincts
2897	domestic
67060	intercrossing
3057	advantages
1333	islands
49883	oceanic
36209	isolation
14207	favourable
6819	selection
22690	japan
26943	productions
1334	java
447	plants
16727	jones
390	mr
294	birds
44421	bermuda
68094	jordain
1315	eye
3651	spots
8855	star
295	fishes
67780	jukes
5244	prof
67783	subaerial
41331	denudation
18261	jussieu
7167	classification
25658	kentucky
4074	caves
67905	kerguelen
274	land
18329	flora
22439	kidney
6306	bean
67144	acclimatisation
22121	kidneys
294	birds
6078	kirby
66074	tarsi
9646	deficient
3654	beetles
19788	knight
341	andrew
3893	cause
2174	variation
67169	kolreuter
67060	intercrossing
67331	barberry
18823	sterility
17449	hybrids
6072	reciprocal
8649	crosses
2356	crossed
2149	varieties
67741	nicotiana
5793	crossing
1183	male
67246	hermaphrodite
588	flowers
48208	lamarck
7033	adaptive
7165	characters
67362	lancelet
1740	eyes
67471	landois
955	development
742	wings
1699	insects
274	land
488	shells
2622	distribution
21077	madeira
58855	naturalised
21014	resisting
896	salt
635	water
7152	languages
7167	classification
67514	lankester
390	mr
8360	ray
10019	longevity
67972	homologies
6735	lapse
790	great
607	time
22771	larvae
26116	laurel
5827	nectar
3012	secreted
586	leaves
67835	laurentian
7639	formation
509	laws
2174	variation
27218	leech
2149	varieties
67315	leguminosae
5827	nectar
3012	secreted
7171	glands
37639	leibnitz
2075	attack
24958	newton
67347	lepidosiren
1533	limbs
45420	nascent
725	condition
42827	lewes
390	mr
1330	species
1086	changed
17393	egypt
68010	salamandra
68011	atra
2162	forms
74	life
5919	evolved
74	life
3075	struggle
67828	lingula
67824	silurian
52796	linnaeus
10909	aphorism
8318	lion
9111	mane
21	young
7865	striped
67282	lobelia
63647	fulgens
67282	lobelia
18823	sterility
8649	crosses
22170	lockwood
390	mr
67476	ova
67612	hippocampus
3185	locusts
17477	transporting
620	seeds
27799	logan
322	sir
67835	laurentian
7639	formation
42781	lowe
227	rev
3185	locusts
4859	visiting
21077	madeira
63103	lowness
679	structure
3553	connected
2122	variability
592	related
1670	wide
2622	distribution
364	lubbock
322	sir
5712	nerves
67239	coccus
16491	secondary
8601	sexual
7165	characters
49509	diving
67303	hymenopterous
1083	insect
43973	affinities
19172	metamorphoses
40327	lucas
1355	dr
1200	inheritance
7383	resemblance
505	child
2955	parent
67860	lund
67861	clausen
44957	fossils
3392	brazil
44085	lyell
322	sir
3075	struggle
844	existence
6050	modern
952	changes
64	earth
3300	terrestrial
293	animals
946	developed
1333	islands
44079	carboniferous
274	land
6016	strata
67824	silurian
4412	system
37840	imperfection
6220	geological
5402	record
1615	appearance
1330	species
67829	barrande
5433	colonies
8144	tertiary
41338	formations
7317	europe
2278	north
1254	america
7754	parallelism
8144	tertiary
41338	formations
13687	transport
620	seeds
67892	icebergs
790	great
42031	alternations
4168	climate
2622	distribution
568	fresh
635	water
488	shells
274	land
488	shells
21077	madeira
44085	lyell
22801	dawson
68095	fossilized
1377	trees
34558	nova
34559	scotia
67765	lythrum
67766	salicaria
67333	trimorphic
67948	macleay
67158	analogical
7165	characters
67570	macrauchenia
67480	mcdonnell
1355	dr
15267	electric
1589	organs
21077	madeira
447	plants
3654	beetles
3718	wingless
6834	fossil
274	land
488	shells
294	birds
5369	magpie
2705	tame
9665	norway
1806	males
3059	fighting
36730	maize
2356	crossed
9308	malay
1362	archipelago
894	compared
7317	europe
1572	mammals
41362	malm
1789	flat
355	fish
67524	malpighiaceae
8027	imperfect
588	flowers
64421	mammae
955	development
943	rudimentary
1572	mammals
6834	fossil
16491	secondary
7639	formation
22967	insular
303	man
2474	origin
44604	manatee
943	rudimentary
10570	nails
67353	marsupials
6834	fossil
1330	species
67353	marsupials
3225	australia
679	structure
1346	feet
60206	martens
4530	experiment
620	seeds
1425	martin
390	mr
7865	striped
7332	mules
6917	masters
1355	dr
67556	saponaria
67479	matteucci
15267	electric
1589	organs
6504	rays
67747	matthiola
6072	reciprocal
8649	crosses
67652	maurandia
553	means
10244	dispersal
67690	melipona
67691	domestica
25190	merrill
1355	dr
4554	cuckoo
67836	metamorphism
2646	oldest
487	rocks
2827	mice
5242	destroying
5346	bees
67144	acclimatisation
1223	tails
7831	miller
5244	prof
3551	cells
5346	bees
67743	mirabilis
8649	crosses
59886	missel
4613	thrush
54764	mistletoe
6319	complex
501	relations
7532	mivart
390	mr
313	relation
1821	hair
1225	teeth
1740	eyes
46551	cephalopods
6	various
23735	objections
4	natural
6819	selection
10518	abrupt
8343	modifications
7383	resemblance
4746	mouse
67949	antechinus
5529	mocking
4613	thrush
67249	galapagos
973	modification
1330	species
10518	abrupt
3706	moles
6082	blind
67149	molothrus
1240	habits
67153	mongrels
22934	fertility
18823	sterility
17449	hybrids
894	compared
8661	monkeys
6834	fossil
67945	monachanthus
36880	mons
95	van
2474	origin
589	fruit
1377	trees
56385	monstrosities
67370	moquin
67371	tandon
65	sea
1503	side
447	plants
1020	morphology
29581	morren
586	leaves
49409	oxalis
3918	moths
21265	hybrid
62923	mozart
1122	musical
508	powers
3567	mud
620	seeds
7332	mules
7865	striped
27889	muller
24841	adolph
3187	instincts
4554	cuckoo
27889	muller
1355	dr
19365	ferdinand
33918	alpine
3470	australian
447	plants
27889	muller
31999	fritz
21205	dimorphic
3728	crustaceans
67362	lancelet
821	air
1044	breathing
3728	crustaceans
3422	self
18823	sterility
1886	orchids
67157	embryology
313	relation
7167	classification
19172	metamorphoses
3728	crustaceans
3300	terrestrial
568	fresh
635	water
21525	organisms
14933	undergoing
6708	metamorphosis
1480	climbing
447	plants
16839	multiplication
1330	species
3993	indefinite
45142	murchison
322	sir
41338	formations
8468	russia
68096	azoic
41338	formations
20063	extinction
65558	murie
1355	dr
973	modification
2183	skull
359	old
1829	age
17980	murray
390	mr
7417	cave
1699	insects
63670	mustela
63671	vison
67946	myanthus
67699	myrmecocystus
67702	myrmica
1740	eyes
67516	nageli
67517	morphological
7165	characters
10570	nails
943	rudimentary
67501	nathusius
7757	von
9678	pigs
4	natural
5	history
2984	future
1528	progress
6819	selection
4412	system
58782	naturalisation
2162	forms
2115	distinct
18208	indigenous
1330	species
7756	zealand
67091	naudin
59737	analagous
6816	variations
68092	gourds
21265	hybrid
68092	gourds
3205	reversion
67827	nautilus
67824	silurian
5827	nectar
447	plants
67317	nectaries
981	formed
67915	nelumbium
61416	luteum
311	nests
2174	variation
6809	neuter
1699	insects
7756	zealand
26943	productions
947	perfect
58855	naturalised
825	products
6834	fossil
294	birds
44313	glaciers
3728	crustaceans
46264	algae
2554	number
447	plants
18329	flora
40830	newman
17261	col
5519	humble
5346	bees
24958	newton
5244	prof
64	earth
615	attached
21185	partridge
1482	foot
24958	newton
322	sir
2035	attacked
34778	irreligion
67741	nicotiana
2356	crossed
2149	varieties
1330	species
32691	sterile
67633	nitsche
1355	dr
67628	polyzoa
9718	noble
390	mr
22934	fertility
56322	rhododendron
7699	nodules
47181	phosphatic
68096	azoic
487	rocks
4201	oak
2149	varieties
67373	onites
67374	apelles
1886	orchids
67285	fertilisation
955	development
588	flowers
2162	forms
66346	orchis
5829	pollen
12920	organisation
2424	tendency
2814	advance
1589	organs
1176	extreme
6148	perfection
15267	electric
295	fishes
795	importance
27996	homologous
7034	rudiments
45420	nascent
67346	ornithorhynchus
64421	mammae
3488	ostrich
1822	capable
1644	flight
479	habit
3014	laying
753	eggs
1330	species
8909	otter
1240	habits
1601	acquired
47147	ouzel
635	water
2213	owen
5244	prof
294	birds
1571	flying
37867	vegetative
6839	repetition
2122	variability
1815	unusually
946	developed
748	parts
1740	eyes
295	fishes
1110	swim
1050	bladder
295	fishes
6834	fossil
2870	horse
13545	la
24062	plata
60333	generalised
838	form
313	relation
22262	ruminants
64134	pachyderms
6834	fossil
294	birds
7756	zealand
1607	succession
2727	types
43973	affinities
63803	dugong
27996	homologous
1589	organs
6708	metamorphosis
46551	cephalopods
5646	pacific
3229	ocean
67383	faunas
67482	pacini
15267	electric
1589	organs
67509	paley
1412	organ
981	formed
13	give
7325	pain
57560	pallas
22934	fertility
2017	domesticated
8275	descendants
343	wild
21025	stocks
2389	palm
7374	hooks
67543	papaver
67544	bracteatum
6543	paraguay
4989	cattle
2797	destroyed
738	flies
3110	parasites
21185	partridge
2402	ball
8550	dirt
615	attached
1482	foot
748	parts
1414	greatly
946	developed
925	variable
67438	parus
6470	major
67720	passiflora
11435	peaches
124	united
125	states
5486	pear
54561	grafts
67616	pedicellariae
67234	pelargonium
588	flowers
18823	sterility
67401	peloria
1951	pelvis
2566	women
2772	period
8260	glacial
57639	petrels
1240	habits
67731	phasianus
22934	fertility
17449	hybrids
58369	pheasant
21	young
343	wild
67815	pictet
5244	prof
2830	groups
1330	species
1099	suddenly
4475	appearing
2243	rate
21627	organic
889	change
7657	continuous
1607	succession
6233	genera
32511	alliance
44957	fossils
25651	consecutive
41338	formations
889	change
13349	latest
8144	tertiary
2162	forms
18118	transitional
4343	links
6141	pierce
390	mr
2149	varieties
9109	wolves
4324	pigeons
5166	feathered
1346	feet
2298	skin
1992	toes
5047	breeds
2395	described
2474	origin
5047	breeds
40	produced
7262	tumbler
1172	able
919	get
683	egg
10581	reverting
4422	blue
9916	colour
1174	instinct
10062	tumbling
21	young
9678	pigs
410	black
5522	affected
15361	paint
611	root
6124	modified
2801	want
1766	exercise
17974	pistil
943	rudimentary
447	plants
8452	poisonous
4646	affecting
3288	coloured
293	animals
6819	selection
933	applied
1642	gradual
11299	improvement
7729	improved
10878	barbarous
7142	countries
21205	dimorphic
2797	destroyed
1699	insects
443	range
3075	struggle
447	plants
5827	nectar
5776	fleshy
65	sea
1281	shores
1480	climbing
568	fresh
635	water
2622	distribution
1788	low
1028	scale
2585	widely
47	distributed
67595	pleuronectidae
679	structure
4289	plumage
509	laws
889	change
4342	sexes
294	birds
18849	plums
124	united
125	states
49321	pointer
2093	dog
2474	origin
1240	habits
6516	poison
4646	affecting
3288	coloured
293	animals
6516	poison
706	similar
5087	effect
293	animals
447	plants
5829	pollen
8204	fir
1377	trees
18230	transported
6	various
553	means
67643	pollinia
955	development
67628	polyzoa
67629	avicularia
51399	poole
17261	col
7865	striped
9122	hemionus
68097	potemogeton
67607	pouchet
3038	colours
1789	flat
355	fish
44812	prestwich
390	mr
7154	french
9192	eocene
41338	formations
67448	proctotrupes
67411	proteolepas
55903	proteus
17322	psychology
2984	future
1528	progress
67414	pyrgoma
670	found
7689	chalk
66273	quagga
7865	striped
67733	quatrefages
21265	hybrid
3918	moths
44187	quercus
2122	variability
54927	quince
54561	grafts
2828	rabbits
1198	disposition
21	young
2117	races
2897	domestic
7165	characters
3093	race
2741	horses
18021	arab
20233	radcliffe
1355	dr
25790	electrical
1589	organs
35499	torpedo
67896	ramond
447	plants
32597	pyrenees
45404	ramsay
5244	prof
67783	subaerial
41331	denudation
4056	thickness
5732	british
41338	formations
5997	faults
45404	ramsay
390	mr
3187	instincts
4554	cuckoo
41837	ratio
2764	increase
8864	rats
67350	supplanting
67144	acclimatisation
6082	blind
7417	cave
9768	rattle
362	snake
1765	reason
1174	instinct
48849	recapitulation
915	general
44587	reciprocity
8649	crosses
5402	record
6220	geological
8027	imperfect
67279	rengger
738	flies
5242	destroying
4989	cattle
19069	reproduction
2243	rate
7383	resemblance
366	protective
1699	insects
1203	parents
67153	mongrels
17449	hybrids
3205	reversion
3174	law
1200	inheritance
4324	pigeons
4422	blue
9916	colour
56322	rhododendron
18823	sterility
369	richard
5244	prof
67934	aspicarpa
20352	richardson
322	sir
679	structure
4034	squirrels
295	fishes
4097	southern
7272	hemisphere
67752	robinia
54561	grafts
4027	rodents
6082	blind
14792	rogers
5244	prof
16232	map
1254	america
943	rudimentary
1589	organs
7034	rudiments
7167	classification
67181	rutimeyer
3228	indian
4989	cattle
68098	sageret
54561	grafts
68010	salamandra
68011	atra
5942	saliva
311	nests
67302	salmons
1806	males
3059	fighting
7219	hooked
2061	jaws
896	salt
635	water
3892	injurious
620	seeds
826	destructive
274	land
488	shells
20456	salter
390	mr
2058	death
21265	hybrid
46033	embryos
67586	salvin
390	mr
2883	beaks
4373	ducks
67434	saurophagus
67435	sulphuratus
67527	schacht
5244	prof
68099	phyllotaxy
67384	schiodte
6082	blind
1699	insects
1789	flat
355	fish
1778	schlegel
347	snakes
67520	schobl
1355	dr
890	ears
2827	mice
20430	scott
390	mr
3422	self
18823	sterility
1886	orchids
5793	crossing
2149	varieties
67719	verbascum
65	sea
635	water
3892	injurious
620	seeds
826	destructive
274	land
488	shells
67185	sebright
322	sir
2356	crossed
293	animals
45128	sedgwick
5244	prof
2830	groups
1330	species
1099	suddenly
4475	appearing
18300	seedlings
2797	destroyed
1699	insects
620	seeds
2014	nutriment
3830	winged
553	means
19703	dissemination
1627	power
21014	resisting
896	salt
635	water
2882	crops
8017	intestines
294	birds
2385	eaten
355	fish
3567	mud
7219	hooked
1333	islands
6819	selection
2897	domestic
825	products
1151	principle
2405	recent
2474	origin
5479	unconscious
4	natural
8601	sexual
23735	objections
2481	term
4	natural
3046	induced
18823	sterility
4342	sexes
501	relations
8601	sexual
7165	characters
925	variable
6819	selection
3885	sheep
44374	merino
6819	selection
7271	sub
5047	breeds
37005	unintentionally
40	produced
4464	mountain
2149	varieties
488	shells
3038	colours
35931	littoral
10916	hinges
2322	seldom
7813	embedded
488	shells
568	fresh
635	water
3695	retain
2162	forms
568	fresh
635	water
10244	dispersal
21077	madeira
274	land
2622	distribution
274	land
21014	resisting
896	salt
635	water
26318	shrew
4746	mouse
67740	silene
67164	infertility
8649	crosses
67381	silliman
5244	prof
6082	blind
7559	rat
7180	sirenia
43973	affinities
8349	sitaris
6708	metamorphosis
2181	skulls
21	young
1572	mammals
6895	slave
1422	making
1174	instinct
3644	smith
17261	col
91	hamilton
7865	striped
2741	horses
3644	smith
1355	dr
67628	polyzoa
3644	smith
390	mr
17256	fred
6895	slave
1422	making
336	ants
6809	neuter
336	ants
362	snake
3461	tooth
335	cutting
683	egg
67223	somerville
3397	lord
6819	selection
3885	sheep
67753	sorbus
54561	grafts
63576	sorex
64339	spaniel
361	king
194	charles
4602	breed
67356	specialisation
1589	organs
1330	species
67241	polymorphic
8729	dominant
733	common
925	variable
6233	genera
925	variable
2830	groups
1099	suddenly
4475	appearing
67824	silurian
41338	formations
6363	successively
4475	appearing
2615	changing
1526	simultaneously
535	world
13974	spencer
3397	lord
2764	increase
885	size
4989	cattle
13974	spencer
390	mr
8789	herbert
3175	steps
21320	differentiation
2424	tendency
1519	equilibrium
5484	forces
67683	sphex
1885	parasitic
337	spiders
955	development
12432	sports
447	plants
67324	sprengel
5793	crossing
8360	ray
67397	florets
65573	squalodon
4034	squirrels
10254	gradations
679	structure
7643	staffordshire
6945	heath
952	changes
33699	stag
3654	beetles
3059	fighting
8855	star
295	fishes
1740	eyes
67616	pedicellariae
18823	sterility
1086	changed
539	conditions
74	life
17449	hybrids
509	laws
6065	causes
11423	unfavourable
539	conditions
3046	induced
4	natural
6819	selection
6536	st
34951	helena
26943	productions
6536	st
37528	hilaire
9257	aug
2122	variability
447	plants
7167	classification
6536	st
128	john
390	mr
1240	habits
8329	cats
6323	sting
3942	bee
21025	stocks
42913	aboriginal
2897	domestic
293	animals
6016	strata
4056	thickness
7473	britain
7916	stripes
2741	horses
679	structure
5627	degrees
6033	utility
3075	struggle
844	existence
1607	succession
6220	geological
2727	types
22441	areas
3898	swallow
1330	species
67350	supplanting
67886	swaysland
390	mr
64	earth
6494	adhering
1346	feet
3966	migratory
294	birds
5340	swifts
311	nests
1110	swim
1050	bladder
3306	switzerland
4272	lake
6224	inhabitants
4412	system
4	natural
3136	tail
43977	giraffe
3298	aquatic
293	animals
64416	prehensile
943	rudimentary
67245	tanais
21205	dimorphic
66074	tarsi
9646	deficient
67536	tausch
1355	dr
67400	umbelliferae
1225	teeth
1821	hair
67141	correlated
943	rudimentary
46159	embryonic
2833	calf
66192	tegetmeier
390	mr
3551	cells
5346	bees
2198	temminck
2622	distribution
22607	aiding
7167	classification
56342	tendrils
955	development
137	thompson
322	sir
1829	age
36542	habitable
535	world
9901	consolidation
3533	crust
64	earth
67751	thouin
54561	grafts
4613	thrush
3298	aquatic
1330	species
5529	mocking
67249	galapagos
21	young
3879	spotted
340	nest
67745	thuret
2356	crossed
67746	fuci
49785	thwaites
390	mr
67144	acclimatisation
67952	thylacinus
7085	tierra
7086	del
7087	fuego
5673	dogs
447	plants
8210	timber
4019	drift
607	time
6735	lapse
6871	causing
973	modification
67437	titmouse
1115	toads
1333	islands
7810	tobacco
2356	crossed
2149	varieties
7494	tomes
390	mr
2622	distribution
345	bats
57315	transitions
2149	varieties
1875	rare
67604	traquair
1355	dr
1789	flat
355	fish
67806	trautschold
2196	intermediate
2149	varieties
1377	trees
1333	islands
2937	belong
1567	peculiar
5873	orders
942	separated
4342	sexes
67286	trifolium
67287	pratense
67321	incarnatum
67842	trigonia
67825	trilobites
2079	sudden
20063	extinction
8767	trimen
390	mr
8745	imitating
1699	insects
67152	trimorphism
447	plants
2611	troglodytes
67378	tuco
67378	tuco
6082	blind
7262	tumbler
4324	pigeons
1240	habits
33003	hereditary
21	young
4366	turkey
3207	cock
4141	tuft
1821	hair
2960	breast
4366	turkey
2515	naked
2298	skin
747	head
21	young
10661	instinctively
343	wild
20266	turnip
40077	cabbage
3285	analogous
6816	variations
2713	type
25249	unity
2727	types
1607	succession
22441	areas
67847	typotherium
67171	udders
2304	enlarged
7	use
943	rudimentary
67989	ulex
21	young
586	leaves
67400	umbelliferae
588	flowers
620	seeds
934	outer
1997	inner
67397	florets
25249	unity
2713	type
67313	uria
67314	lacrymans
7	use
17321	effects
2345	domestication
1032	state
439	nature
6033	utility
2354	construction
839	part
53537	valenciennes
568	fresh
635	water
355	fish
2122	variability
67153	mongrels
17449	hybrids
2174	variation
2345	domestication
4377	caused
61494	reproductive
4412	system
5522	affected
539	conditions
74	life
439	nature
509	laws
67141	correlated
6816	variations
860	appear
7029	corresponding
5050	ages
3285	analogous
2115	distinct
1330	species
2149	varieties
4	natural
3075	struggle
2897	domestic
20063	extinction
18118	transitional
11747	rarity
2149	varieties
2356	crossed
7902	fertile
32691	sterile
7167	classification
67719	verbascum
18823	sterility
2149	varieties
2356	crossed
67697	verlot
2169	double
21025	stocks
46558	verneuil
1771	de
1607	succession
1330	species
67638	vibracula
67628	polyzoa
49682	viola
8027	imperfect
588	flowers
37384	tricolor
31040	virchow
679	structure
41087	crystalline
7703	lens
3834	virginia
9678	pigs
20659	volcanic
1333	islands
41331	denudation
5300	vulture
2515	naked
2298	skin
747	head
15431	wading
294	birds
25163	wagner
1355	dr
67982	cecidomyia
25163	wagner
27661	moritz
795	importance
36209	isolation
323	wallace
390	mr
2474	origin
1330	species
1375	limit
2174	variation
2345	domestication
21205	dimorphic
8471	lepidoptera
2117	races
9308	malay
1362	archipelago
11299	improvement
1315	eye
1513	walking
1985	stick
1083	insect
509	laws
2426	geographical
2622	distribution
9308	malay
1362	archipelago
8724	mimetic
293	animals
17133	walsh
390	mr
67252	phytophagic
2162	forms
2332	equal
2122	variability
635	water
568	fresh
26943	productions
635	water
751	hen
1435	waterhouse
390	mr
3470	australian
67353	marsupials
1414	greatly
946	developed
748	parts
925	variable
3551	cells
5346	bees
915	general
43973	affinities
635	water
47147	ouzel
21080	watson
390	mr
443	range
2149	varieties
5732	british
447	plants
67144	acclimatisation
18329	flora
34005	azores
11747	rarity
2196	intermediate
2149	varieties
33918	alpine
447	plants
67143	convergence
3993	indefinite
16839	multiplication
1330	species
67882	weale
390	mr
3185	locusts
17477	transporting
620	seeds
3796	web
1346	feet
635	water
294	birds
29381	weismann
5244	prof
6065	causes
2122	variability
943	rudimentary
1589	organs
182	west
3228	indian
1333	islands
1572	mammals
64357	westwood
1330	species
6233	genera
796	closely
797	allied
1025	others
66074	tarsi
67416	engidae
54287	antennae
67303	hymenopterous
1699	insects
7176	whales
603	wheat
2149	varieties
411	white
1791	mountains
18329	flora
32760	whittaker
390	mr
4263	lines
44246	escarpment
67760	wichura
17813	max
17449	hybrids
742	wings
21893	reduction
885	size
1699	insects
27996	homologous
67467	branchiae
943	rudimentary
1699	insects
4089	wolf
2356	crossed
2093	dog
43109	falkland
19231	isles
45679	wollaston
390	mr
2149	varieties
1699	insects
6834	fossil
2149	varieties
488	shells
21077	madeira
45679	wollaston
390	mr
3038	colours
1699	insects
65	sea
2787	shore
3718	wingless
3654	beetles
11747	rarity
2196	intermediate
2149	varieties
22967	insular
1699	insects
274	land
488	shells
21077	madeira
58855	naturalised
9109	wolves
2149	varieties
58403	woodcock
64	earth
615	attached
1481	leg
404	woodpecker
1240	habits
880	green
9916	colour
27113	woodward
390	mr
4378	duration
7817	specific
2162	forms
67414	pyrgoma
7657	continuous
1607	succession
6233	genera
1607	succession
2727	types
535	world
1330	species
2615	changing
1526	simultaneously
92	wright
390	mr
27558	chauncey
43977	giraffe
10518	abrupt
8343	modifications
5530	wrens
340	nest
25455	wyman
5244	prof
67173	correlation
9916	colour
17321	effects
6516	poison
3551	cells
3942	bee
67221	youatt
390	mr
6819	selection
7271	sub
5047	breeds
3885	sheep
943	rudimentary
16654	horns
21	young
4989	cattle
67549	zanthoxylon
9215	zebra
7916	stripes
68100	zeuglodons
612	end
412	text
