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52932	solar
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539	conditions
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2474	origin
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64	earth
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379	suggestions
906	characteristic
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3288	coloured
288	illustration
6834	fossil
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35411	photo
5732	british
2200	museum
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5	history
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3469	extinct
64146	vegetarian
67822	triassic
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56352	nebula
303	man
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56352	nebula
303	man
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5578	duck
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74245	platypus
3225	australia
35411	photo
4542	daily
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5697	skeleton
3469	extinct
74246	flightless
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74247	hesperornis
9170	marsh
3429	stages
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7323	attacking
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74250	mcintosh
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74251	argonauta
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35411	photo
10169	ward
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74253	forreri
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355	fish
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65570	squid
1178	act
5241	capturing
355	fish
38251	greenland
19603	whale
673	minute
1166	transparent
2798	stage
65	sea
16899	cucumber
4660	intricate
6605	colony
65	sea
293	animals
74254	physophora
74255	hydrostatica
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18112	portuguese
303	man
4768	war
35411	photo
5732	british
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790	great
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355	fish
74259	chiasmodon
2612	niger
1860	deep
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295	fishes
13217	flinty
5697	skeleton
53338	venus
939	flower
4576	basket
74260	euplectella
18190	japanese
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7444	sponge
683	egg
10530	depository
74261	semotilus
74262	atromaculatus
74263	bitterling
74264	rhodeus
74265	amarus
3618	woolly
4087	opossum
2565	carrying
1161	family
35411	photo
74235	berridge
3388	surinam
1154	toad
74266	pipa
8566	americana
21	young
938	ones
3129	hatching
1231	pockets
8874	storm
67275	petrel
1199	mother
20343	carey
15489	chicken
74267	procellaria
74268	pelagica
48770	albatross
906	characteristic
44165	pelagic
321	bird
4097	southern
65	sea
10802	praying
8738	mantis
8738	mantis
47599	religiosa
366	protective
21605	coloration
309	winter
2673	scene
2278	north
23466	scandinavia
925	variable
17732	monitor
74269	varanus
35411	photo
411	white
6161	banded
74270	krait
8452	poisonous
362	snake
11940	alternating
402	yellow
2516	dark
2551	bands
35411	photo
74235	berridge
61512	warty
7984	chameleon
74271	photos
74235	berridge
40768	seasonal
9916	colour
889	change
3593	summer
2673	scene
2278	north
23466	scandinavia
366	protective
7383	resemblance
35411	photo
10169	ward
259	days
359	old
21	young
45386	bittern
1149	begin
3761	strike
1564	attitude
1203	parents
2545	thrusting
5589	bills
5675	upwards
1929	drawing
718	bodies
1957	resemble
3557	bunch
5030	reeds
366	protective
21605	coloration
74272	camouflaging
1638	giving
293	animals
3023	garment
57824	invisibility
3288	coloured
288	illustration
699	example
366	protective
21605	coloration
3288	coloured
288	illustration
873	dead
334	leaf
3925	butterfly
74273	kallima
74274	inachis
7284	india
366	protective
7383	resemblance
4717	spider
339	ant
331	wasp
3758	beetle
2524	moving
1543	branches
695	gives
331	wasp
7774	impression
35411	photo
10169	ward
15688	hermit
8572	crab
2975	partner
65	sea
74275	anemones
4554	cuckoo
15201	spit
35411	photo
74276	duffus
1275	chimpanzee
986	sitting
35411	photo
135	york
38653	zoological
7732	park
1275	chimpanzee
22881	illustrating
1513	walking
508	powers
35411	photo
135	york
38653	zoological
7732	park
935	surface
4991	view
6465	brains
303	man
1275	chimpanzee
1503	side
4991	view
1275	chimpanzee
747	head
35411	photo
135	york
38653	zoological
7732	park
2156	profile
4991	view
747	head
74277	pithecanthropus
1334	java
1738	ape
303	man
41773	reconstructed
2183	skull
10893	cap
2940	model
74278	mcgregor
67502	flipper
19603	whale
418	hand
303	man
400	gorilla
4044	inhabiting
2580	forest
22123	tract
2445	gaboon
1270	africa
3288	coloured
288	illustration
319	darwin
223	point
2019	human
613	ear
200	professor
322	sir
19283	arthur
40242	keith
131	ll
35411	photo
358	russell
1195	sons
48451	skeletons
1428	gibbon
1274	orang
1275	chimpanzee
400	gorilla
303	man
297	huxley
389	permission
386	messrs
17158	macmillan
1503	side
4991	view
2183	skull
303	man
400	gorilla
2183	skull
6088	brain
2331	case
74277	pithecanthropus
1334	java
1738	ape
303	man
4344	restored
74278	mcgregor
7672	scanty
525	remains
1263	suggested
35154	genealogical
492	tree
303	man
62294	anthropoid
304	apes
1428	gibbon
1879	lower
304	apes
7052	regards
2183	skull
61821	dentition
2089	highly
6813	specialized
6997	adaptation
1533	limbs
1541	arboreal
74	life
35411	photo
135	york
38653	zoological
7732	park
1274	orang
6780	rounded
2183	skull
401	face
35411	photo
135	york
38653	zoological
7732	park
26547	comparisons
48451	skeletons
2870	horse
303	man
35411	photo
5732	british
2200	museum
4	natural
5	history
34166	reconstruction
1334	java
303	man
3288	coloured
288	illustration
2156	profile
4991	view
747	head
74277	pithecanthropus
1334	java
1738	ape
303	man
54571	offshoot
3217	main
3915	line
303	man
6742	ascent
2940	model
74278	mcgregor
74279	piltdown
2183	skull
34166	reconstruction
74278	mcgregor
927	sand
3844	pit
74280	mauer
25704	heidelberg
6689	discovery
4185	site
2223	jaw
25704	heidelberg
303	man
7156	reproduced
389	permission
24618	osborn
276	men
359	old
4534	stone
1829	age
20832	paintings
1915	roof
17649	altamira
7417	cave
3752	northern
20460	spain
2301	showing
48122	bison
9203	galloping
11923	boar
3288	coloured
288	illustration
74279	piltdown
303	man
2436	preceding
74281	neanderthal
303	man
436	years
10681	restoration
46638	modelled
74278	mcgregor
74281	neanderthal
303	man
13545	la
32669	chapelle
30109	aux
23901	saints
10681	restoration
46638	modelled
74278	mcgregor
10681	restoration
60088	forestier
43899	rhodesian
303	man
2183	skull
2396	discovered
1503	side
4991	view
42668	prehistoric
2019	human
2183	skull
2396	discovered
1673	broken
4922	hill
7417	cave
3752	northern
23046	rhodesia
35411	photo
5732	british
2200	museum
4	natural
5	history
74282	cromagnon
303	man
74283	cromagnard
4848	representative
2341	strong
4226	artistic
3093	race
2627	south
3304	france
1040	upper
44284	pleistocene
436	years
10681	restoration
46638	modelled
74278	mcgregor
17163	photograph
2301	showing
1005	narrow
1658	passage
7418	cavern
30305	font
1771	de
74284	gaume
74285	beune
7156	reproduced
389	permission
24618	osborn
276	men
359	old
4534	stone
1829	age
8297	mammoth
1893	drawn
3788	wall
30305	font
1771	de
74284	gaume
7418	cavern
44409	grazing
48122	bison
3134	delicately
1214	carefully
1893	drawn
16099	engraved
3788	wall
17649	altamira
7417	cave
3752	northern
20460	spain
17163	photograph
8426	median
6029	section
48870	pearly
67827	nautilus
17163	photograph
3308	entire
48870	pearly
67827	nautilus
67827	nautilus
74286	shoebill
35411	photo
74235	berridge
1513	walking
355	fish
3567	mud
39392	skipper
74287	periophthalmus
733	common
3536	mouths
4042	rivers
1252	tropical
1270	africa
1255	asia
2278	north
182	west
3225	australia
3470	australian
8032	pork
74288	podargus
35411	photo
884	times
34403	pelican
4292	bill
4233	adapted
5807	catching
17717	storing
295	fishes
5577	spoonbill
4292	bill
4233	adapted
15568	sifting
3567	mud
5807	catching
293	animals
295	fishes
3728	crustaceans
1083	insect
22771	larvae
1653	live
74289	avocet
4292	bill
4233	adapted
1918	curious
7947	sideways
74290	scooping
2787	shore
1092	pools
5807	catching
293	animals
44333	hornbill
4292	bill
4233	adapted
4223	excavating
340	nest
492	tree
1625	seizing
2039	breaking
19760	diverse
2162	forms
966	food
1572	mammals
68039	tortoises
948	roots
2614	fruits
51833	falcon
4292	bill
4233	adapted
1625	seizing
2559	killing
4853	tearing
1572	mammals
294	birds
39144	puffin
4292	bill
4233	adapted
5807	catching
295	fishes
935	surface
65	sea
1072	holding
1657	caught
2565	carrying
340	nest
74	life
5	history
1029	frog
1532	hind
1481	leg
74291	whirligig
3758	beetle
644	become
5797	beautifully
6124	modified
3298	aquatic
1590	locomotion
35411	photo
10169	ward
3159	big
5371	robber
8572	crab
42657	birgus
74292	latro
1862	climbs
49300	coconut
2389	palm
3585	breaks
8158	nuts
74	life
5	history
17032	salmon
17032	salmon
2318	leaping
776	fall
9258	fascinating
5591	spectacle
7664	diagram
74	life
5	history
733	common
3976	eel
74293	anguilla
62084	vulgaris
74294	cassowary
35411	photo
74295	gambier
42734	bolton
74296	kiwi
74246	flightless
321	bird
841	remarkable
1615	appearance
1240	habits
679	structure
35411	photo
74295	gambier
42734	bolton
3470	australian
74297	frilled
1703	lizard
3150	trying
644	become
57074	biped
10103	carpet
11886	gossamer
635	water
4717	spider
74298	jackdaw
5099	balancing
74299	gatepost
35411	photo
41907	wilkinson
9207	opossums
40221	feigning
2058	death
9334	ingersoll
8971	wit
343	wild
1183	male
2936	spined
2900	stickleback
1422	making
340	nest
635	water
3254	weed
8635	glued
45533	viscid
3011	threads
3012	secreted
22121	kidneys
3338	breeding
2923	season
1688	female
2900	stickleback
4244	enters
340	nest
1183	male
413	made
752	lays
753	eggs
53603	departs
37664	homing
2869	pigeon
35411	photo
9279	imperial
4768	war
2200	museum
16827	carrier
2869	pigeon
35411	photo
9279	imperial
4768	war
2200	museum
402	yellow
14887	crowned
67433	penguin
35411	photo
1911	james
111	press
7200	agency
57640	penguins
1567	peculiar
430	people
35411	photo
74300	cagcombe
388	co
74301	harpy
4771	eagle
35411	photo
74235	berridge
65425	dingo
343	wild
2093	dog
3225	australia
18208	indigenous
343	wild
1330	species
2017	domesticated
2093	dog
3410	gone
343	wild
66717	feral
35411	photo
74235	berridge
404	woodpecker
4196	hammering
4191	cotton
15578	reel
615	attached
492	tree
8209	beaver
4613	thrush
36196	anvil
35411	photo
74302	hinkins
6901	son
36332	alsatian
4089	wolf
2093	dog
35411	photo
25335	lafayette
8337	polar
1969	bear
2278	north
35411	photo
74235	berridge
3433	alligator
16428	yawning
9823	expectation
966	food
17145	smithsonian
2498	report
2837	baby
1274	orang
35411	photo
74303	dando
1274	orang
1768	utan
35411	photo
74295	gambier
42734	bolton
1275	chimpanzee
35411	photo
1911	james
111	press
7200	agency
2837	baby
1274	orang
1768	utan
35411	photo
1911	james
111	press
7200	agency
1274	orang
1768	utan
35411	photo
1911	james
111	press
7200	agency
2837	baby
2281	chimpanzees
35411	photo
1911	james
111	press
7200	agency
1275	chimpanzee
35411	photo
74303	dando
21	young
65284	cheetahs
3466	hunting
43978	leopards
35411	photo
74235	berridge
733	common
8909	otter
35411	photo
6025	reid
322	sir
136	ernest
51017	rutherford
35411	photo
5460	elliott
2775	fry
9239	clerk
21855	maxwell
35411	photo
74215	rischgitz
9394	collection
322	sir
88	william
74304	crookes
35411	photo
136	ernest
629	mills
200	professor
322	sir
47311	bragg
35411	photo
35411	photo
111	press
2506	comparative
3840	sizes
936	molecules
14974	inconceivable
1159	numbers
55841	inconceivably
5287	particles
2756	million
74305	brownian
448	movement
1730	soap
1048	bubble
3288	coloured
288	illustration
7156	reproduced
5484	forces
439	nature
386	messrs
17158	macmillan
6726	detecting
702	quantity
428	matter
3426	scientific
6675	ideas
967	day
8360	ray
17163	photograph
418	hand
6752	soldier
1919	wounded
790	great
4768	war
7156	reproduced
389	permission
6504	rays
23210	ltd
8360	ray
17163	photograph
47919	golf
2402	ball
4477	revealing
8027	imperfect
14826	core
35411	photo
6556	national
6151	physical
17367	laboratory
327	wonderful
8360	ray
17163	photograph
7156	reproduced
389	permission
6504	rays
23210	ltd
15267	electric
6979	discharge
17812	vacuum
3220	tube
730	relative
3840	sizes
8164	atoms
74306	electrons
74306	electrons
9214	streaming
1921	sun
64	earth
200	professor
322	sir
17917	thomson
74306	electrons
40	produced
1658	passage
6504	rays
821	air
17145	smithsonian
2498	report
21546	magnetic
41514	deflection
60544	radium
6504	rays
200	professor
74307	millikan
3560	apparatus
11454	counting
74306	electrons
7156	reproduced
389	permission
3426	scientific
1422	making
5816	invisible
3550	visible
6055	theory
74306	electrons
3452	arrangements
8164	atoms
8071	diamond
28658	disintegration
8164	atoms
3637	silk
5781	tassel
15562	electrified
7156	reproduced
389	permission
6629	interpretation
60544	radium
128	john
17980	murray
3637	silk
5781	tassel
13715	discharged
6504	rays
60544	radium
2549	huge
15267	electric
14262	spark
25790	electrical
12390	attraction
733	common
502	objects
3426	scientific
6675	ideas
967	day
15267	electric
14262	spark
35411	photo
74308	leadbeater
21651	ether
6601	disturbance
74202	electron
236	current
3426	scientific
6675	ideas
967	day
7951	lightning
35411	photo
74213	shepstone
3104	light
5052	waves
21546	magnetic
11328	circuit
15267	electric
236	current
48751	magnet
23306	rotating
6090	disc
322	sir
20502	isaac
24958	newton
12172	mixing
3038	colours
3288	coloured
288	illustration
8429	wave
6026	shapes
1627	power
48751	magnet
1505	speed
3104	light
35411	photo
1568	locomotive
24632	publishing
388	co
23210	ltd
23306	rotating
6090	disc
322	sir
20502	isaac
24958	newton
12172	mixing
3038	colours
16603	niagara
6520	falls
7728	transformation
7939	energy
35411	photo
20546	stephen
28832	cribb
8199	boiling
11342	kettle
3897	ice
35411	photo
1868	underwood
1868	underwood
3893	cause
12161	tides
74309	aegir
212	trent
35411	photo
45710	brocklehurst
3159	big
879	spring
5473	tide
74309	aegir
212	trent
35411	photo
45710	brocklehurst
5981	outline
392	science
599	introduction
1100	abundant
1238	evidence
5083	widened
10148	deepened
444	interest
6050	modern
392	science
1260	think
1277	magnitude
74310	eventfulness
2405	recent
4582	advances
444	interest
915	general
731	greater
6593	makers
532	knowledge
6913	willing
37858	expound
4672	discoveries
446	ways
74311	understanded
430	people
502	objects
74193	technicalities
5299	game
114	board
35847	yacht
2751	clearly
485	necessary
26292	terse
4478	precise
3426	scientific
3998	description
2839	reduced
2840	minimum
20859	sacrificing
2227	accuracy
1661	object
4991	view
2177	explain
47718	gist
428	matter
5981	outline
392	science
2074	meant
915	general
5352	reader
4114	lacks
607	time
1478	opportunity
470	study
953	take
4039	intelligent
444	interest
1528	progress
392	science
1422	making
535	world
246	story
13209	triumphs
6050	modern
392	science
303	man
3144	proud
392	science
19110	reads
4481	secret
1595	distant
8855	star
74312	anatomises
1192	atom
49330	foretells
32	date
15165	comet
578	return
35553	predicts
2013	kinds
2856	chickens
3125	hatch
1329	dozen
753	eggs
3376	discovers
509	laws
7640	wind
74313	bloweth
1565	where
74314	listeth
4440	reduces
534	order
5867	disorder
5306	disease
392	science
10030	setting
1144	forth
16683	columbus
32090	voyages
4735	discovering
15061	worlds
18697	conquering
6479	understanding
532	knowledge
553	means
21714	foresight
21714	foresight
553	means
1627	power
1581	idea
7048	evolution
18073	influenced
2621	sciences
12990	forcing
1260	think
5	history
6264	travelled
319	darwin
967	day
52932	solar
4412	system
64	earth
4464	mountain
4473	ranges
790	great
50854	deeps
487	rocks
1011	crystals
447	plants
293	animals
303	man
4311	social
9271	institutions
417	seen
6087	outcome
648	process
3504	becoming
3798	eighty
3193	odd
806	chemical
808	elements
64	earth
967	day
8414	suggestion
6087	outcome
8500	inorganic
7048	evolution
452	element
1638	giving
949	rise
452	element
2892	going
1888	primeval
13251	stuff
6818	originally
835	derived
12240	infinitely
1581	idea
1439	powerful
4129	tool
27958	fashioning
532	knowledge
515	simple
7379	profound
1581	idea
7048	evolution
505	child
2955	parent
2984	future
6953	picture
14297	continuity
7048	evolution
56352	nebula
4311	social
9586	systems
2637	comes
6704	promise
2767	increasing
10178	control
6704	promise
303	man
644	become
6277	accurate
3515	student
4774	complete
3398	master
535	world
906	characteristic
6050	modern
392	science
535	world
417	seen
1158	vital
5525	everywhere
1658	passage
62380	static
56188	dynamic
659	thus
9627	revelations
1948	constitution
428	matter
8693	owe
4672	discoveries
276	men
200	professor
322	sir
17917	thomson
200	professor
322	sir
136	ernest
51017	rutherford
200	professor
17411	frederick
74315	soddy
807	shown
7105	dust
7049	complexity
1545	activity
12346	heretofore
13564	unimagined
10832	phrases
873	dead
428	matter
6085	inert
428	matter
3410	gone
114	board
6055	theory
1192	atom
21326	amounts
13360	conception
5097	universe
19905	bids
2980	fair
12219	reveal
439	nature
3852	hidden
6120	secrets
1192	atom
2543	longer
13487	indivisible
12881	particle
428	matter
6343	understood
420	know
1192	atom
1192	atom
1672	thought
833	elementary
11483	dissociated
1673	broken
967	day
16098	theories
1192	atom
1948	constitution
428	matter
6087	outcome
1062	comparatively
2405	recent
6689	discovery
530	things
60544	radium
6504	rays
327	wonderful
9627	revelations
11963	instruments
74207	spectroscope
2089	highly
1058	perfected
3426	scientific
11963	instruments
18709	advent
74202	electron
6055	theory
2694	thrown
1133	flood
3104	light
3852	hidden
9950	dimly
16078	guessed
1510	given
13360	conception
1675	framework
5097	universe
526	beginning
420	know
12333	realise
428	matter
413	made
15267	electric
445	phenomena
2725	mean
8141	glimpse
1434	vast
6681	stores
7939	energy
9897	locked
428	matter
532	knowledge
490	tell
2474	origin
445	phenomena
14697	planet
26178	planets
8821	stars
1921	sun
3104	light
2694	thrown
3597	source
1921	sun
3441	heat
473	make
6157	guesses
855	probable
1829	age
790	great
577	question
967	day
67089	primordial
658	substance
6422	varying
2162	forms
428	matter
5919	evolved
6689	discovery
74306	electrons
5016	revolutionary
952	changes
13	give
6050	modern
392	science
74316	entrancing
444	interest
17134	chemistry
33743	physics
392	science
1096	creatures
2405	recent
4582	advances
1086	changed
4383	prospect
1205	good
3282	instance
6582	afforded
6689	discovery
74317	hormones
806	chemical
10864	messengers
40	produced
74318	ductless
7171	glands
64352	thyroid
44397	supra
22514	renal
61765	pituitary
47	distributed
739	body
1103	blood
558	work
67358	physiologists
200	professor
69662	starling
200	professor
74319	bayliss
807	shown
806	chemical
10864	messengers
23726	regulate
661	called
1550	pace
739	body
2739	bring
20105	regulated
14696	harmony
8994	smoothness
4814	working
420	know
5139	health
548	say
6689	discovery
74317	hormones
1086	changed
1022	physiology
532	knowledge
2019	human
739	body
36232	surpasses
1246	generation
12911	persistent
5924	patience
74320	microscopists
9230	technical
10696	improvements
74321	ultramicroscope
1414	greatly
5105	increased
532	knowledge
5816	invisible
535	world
74	life
17464	bacteria
1246	generation
901	added
617	multitude
1188	microscopic
67	animal
49610	microbes
6065	causes
5663	sleeping
10327	sickness
74	life
16815	histories
7238	weird
446	ways
3110	parasites
54857	unravelled
532	knowledge
553	means
2558	mastery
2069	degree
17363	surpassed
14302	expectations
28592	revelation
67348	intricacy
1156	stones
3009	mortar
3901	house
74	life
1188	microscopic
470	study
992	germ
3551	cells
6376	wonderfully
2617	supplemented
8131	epoch
1422	making
19309	experimental
470	study
6822	heredity
4489	began
22524	mendel
478	goes
6149	saying
1113	call
9218	educated
5860	understand
5634	central
515	simple
6675	ideas
74322	mendelism
20444	departures
1014	biology
9663	procession
74	life
5050	ages
6977	factors
9638	sublime
448	movement
64155	peopling
64	earth
447	plants
293	animals
24522	linking
74	life
74	life
6304	subtle
21805	inter
501	relations
588	flowers
1083	insect
11452	visitors
74	life
16815	histories
2143	individual
2727	types
6094	extraordinary
5065	results
6608	inquiry
661	called
19309	experimental
67157	embryology
6795	subjects
5981	outline
434	deal
26937	behaviour
293	animals
9258	fascinating
470	study
4633	leading
23528	provisional
6953	picture
3545	dawn
2443	mind
815	indeed
1596	branch
392	science
36232	surpasses
444	interest
471	deals
446	ways
1240	habits
3138	truly
327	wonderful
3367	devices
7024	adaptations
3187	instincts
1699	insects
294	birds
1572	mammals
2543	longer
11398	deny
2069	degree
2085	intelligence
2376	members
67	animal
535	world
3915	line
2085	intelligence
1765	reason
1242	difficult
540	find
568	fresh
74323	contacts
1022	physiology
470	study
303	man
6194	mental
74	life
4478	precise
440	studies
446	ways
549	children
343	wild
17308	peoples
5678	methods
74324	psycho
28833	analyst
2107	receive
1663	attention
3723	deserve
1638	giving
17322	psychology
13462	claims
22440	psychical
9377	research
9698	recognised
13162	minded
915	general
1659	aim
5981	outline
13	give
5352	reader
431	clear
39604	concise
4991	view
3301	essentials
967	day
392	science
5123	follow
2085	intelligence
6050	modern
2814	advance
1141	share
74325	appreciatively
303	man
649	continued
16866	conquest
3725	kingdom
19283	arthur
17917	thomson
12178	romance
5730	heavens
1028	scale
5097	universe
52932	solar
4412	system
32139	sec
246	story
13209	triumphs
6050	modern
392	science
1683	naturally
24498	opens
32634	astronomy
6953	picture
5097	universe
220	astronomer
8417	offers
8027	imperfect
4263	lines
6836	traces
7139	faint
1340	uncertain
2120	problems
3378	solved
3896	doubt
790	great
2764	increase
532	knowledge
656	remain
781	entirely
49818	unsolved
3379	problem
679	structure
4378	duration
5097	universe
867	said
790	great
220	astronomer
32199	simon
74326	newcomb
1831	reaching
2443	mind
434	deal
15876	solution
5703	regarded
13737	ultimate
1661	object
56351	stellar
32634	astronomy
9485	possibility
1831	reaching
1753	occupied
2462	minds
20576	thinkers
526	beginning
58249	civilisation
607	time
3379	problem
2092	considered
22147	imaginative
23607	speculative
223	point
4991	view
967	day
2075	attack
5045	limited
1341	extent
3426	scientific
5678	methods
1301	admitted
4280	scarcely
976	taken
1556	step
5274	actual
15876	solution
4378	duration
5097	universe
607	time
979	fitted
838	form
771	contain
620	seeds
7693	dissolution
954	course
607	time
420	know
2771	millions
5050	ages
5886	transformed
577	question
25735	intimately
856	associated
577	question
8821	stars
838	form
4412	system
2309	suppose
4412	system
2361	permanent
915	general
2501	features
1851	look
1012	further
1262	conclusions
17944	heavenly
718	bodies
17944	heavenly
718	bodies
776	fall
2115	distinct
5039	classes
313	relation
64	earth
6076	concerned
3195	class
3727	comprises
802	sort
6605	colony
64	earth
6779	member
718	bodies
661	called
26178	planets
9300	wanderers
2770	eight
5384	including
64	earth
5805	circle
1921	sun
5360	names
534	order
1405	distance
1921	sun
6297	mercury
53338	venus
64	earth
14757	mars
13410	jupiter
48097	saturn
41245	uranus
39648	neptune
6297	mercury
4424	nearest
1921	sun
1373	rarely
417	seen
2515	naked
1315	eye
41245	uranus
2766	practically
5816	invisible
39648	neptune
2770	eight
26178	planets
1921	sun
1271	constitute
867	said
802	sort
6605	colony
6605	colony
661	called
52932	solar
4412	system
3195	class
17944	heavenly
718	bodies
3275	lie
52932	solar
4412	system
12656	glittering
2438	points
486	see
74327	starlit
1864	night
23274	immensely
731	greater
1405	distance
6779	member
52932	solar
4412	system
2376	members
6605	colony
5329	judged
3300	terrestrial
23568	standards
2584	enormous
1619	distances
1164	shot
1852	straight
3915	line
1503	side
39648	neptune
15166	orbit
953	take
408	hundred
436	years
4774	complete
5471	journey
1405	distance
1611	greatest
52932	solar
4412	system
664	known
1656	swing
37860	comets
5499	insignificant
894	compared
1619	distances
8821	stars
4424	nearest
8821	stars
64	earth
420	know
41032	alpha
74328	centauri
2088	estimated
100	twenty
2756	million
2771	millions
1421	miles
56041	sirius
7877	brightest
8855	star
50599	firmament
2169	double
1405	distance
64	earth
5929	imagine
6605	colony
26178	planets
2937	belong
2991	compact
1161	family
7098	swimming
2032	immense
9502	void
1619	distances
953	take
2791	hundreds
2771	millions
436	years
2624	traverse
4599	reach
8821	stars
8855	star
1619	distances
8821	stars
790	great
1405	distance
4424	nearest
1921	sun
64	earth
14697	planet
1653	live
3591	mighty
17083	globe
15392	bounded
3533	crust
3146	rock
1421	miles
4056	thickness
790	great
101	volumes
635	water
1113	call
38559	oceans
3275	lie
3958	deeper
7107	hollows
3533	crust
935	surface
3229	ocean
5816	invisible
923	gas
920	atmosphere
2640	rises
1347	height
408	hundred
1421	miles
3360	getting
21314	thinner
21314	thinner
4240	ascends
288	illustration
55738	laplace
1611	greatest
6040	mathematical
35091	astronomers
607	time
9563	originator
74197	nebular
6055	theory
288	illustration
35411	photo
6002	royal
33948	astronomical
2020	society
200	professor
20921	adams
13344	anticipating
790	great
7154	french
35094	mathematician
9290	le
74329	verrier
2396	discovered
14697	planet
39648	neptune
6041	calculations
1303	based
7411	irregularities
15166	orbit
41245	uranus
15888	dramatic
4672	discoveries
5	history
392	science
288	illustration
35411	photo
5460	elliott
2775	fry
23210	ltd
200	professor
74204	eddington
200	professor
32634	astronomy
8578	cambridge
253	famous
13981	disciples
74203	einstein
288	illustration
1376	fig
17927	diagrams
52932	solar
4412	system
2506	comparative
1619	distances
26178	planets
1893	drawn
22624	approximately
1028	scale
36209	isolation
52932	solar
4412	system
790	great
1028	scale
4424	nearest
8855	star
1405	distance
74330	trillions
1421	miles
1328	half
4634	mile
668	hours
259	days
436	years
2052	measures
607	time
7	use
13410	jupiter
967	day
19710	rotation
14697	planet
413	made
1827	ten
668	hours
6297	mercury
2658	year
1629	revolution
14697	planet
1921	sun
3798	eighty
2770	eight
259	days
6297	mercury
967	day
2658	year
14697	planet
567	turns
1503	side
1921	sun
288	illustration
2506	comparative
3840	sizes
1921	sun
26178	planets
1893	drawn
22624	approximately
1028	scale
1028	scale
1921	sun
1345	inches
3804	diameter
731	greater
26178	planets
640	put
13410	jupiter
1697	turn
731	greater
26178	planets
640	put
3809	winds
949	rise
1505	speed
1125	seem
1653	live
11441	tranquil
535	world
1864	night
11123	glare
1921	sun
1300	passes
920	atmosphere
8821	stars
26178	planets
1125	seem
504	move
5730	heavens
4687	stately
9886	solemn
14532	slowness
4672	discoveries
6050	modern
32634	astronomy
448	movement
2745	apparent
2745	apparent
3717	creeping
8821	stars
5730	heavens
1864	night
7523	accounted
714	fact
64	earth
567	turns
16951	axis
100	twenty
668	hours
3198	remember
885	size
64	earth
486	see
5343	implies
1391	prodigious
1505	speed
903	addition
64	earth
24301	revolves
1921	sun
1505	speed
496	thousand
1421	miles
673	minute
6409	path
1921	sun
2658	year
2658	year
2052	measures
1421	miles
64	earth
1534	held
796	closely
6409	path
74331	gravitational
4057	pull
1921	sun
119	mass
884	times
64	earth
1087	moment
1921	sun
4212	ceased
21131	exert
4057	pull
64	earth
962	fly
1057	space
1852	straight
2073	direction
2524	moving
607	time
548	say
42137	tangent
2424	tendency
962	fly
42137	tangent
7657	continuous
1492	balance
1921	sun
4057	pull
1462	keeps
64	earth
4058	circular
15166	orbit
3980	seven
26178	planets
1534	held
2165	orbits
6208	circling
64	earth
64	earth
5655	circles
1921	sun
8067	moon
8067	moon
1300	passes
1921	sun
7326	cuts
3104	light
5891	total
3204	partial
51498	eclipse
1921	sun
884	times
64	earth
1300	passes
1921	sun
8067	moon
6065	causes
51498	eclipse
8067	moon
790	great
2402	ball
64	earth
1683	naturally
22616	trails
3591	mighty
4249	shadow
1057	space
8067	moon
47482	eclipsed
1300	passes
3980	seven
26178	planets
35092	moons
5805	circle
1921	sun
64	earth
1921	sun
119	mass
23274	immensely
712	larger
26178	planets
640	put
1893	drawn
4974	perish
5463	travel
3170	rapidly
2752	gigantic
2165	orbits
2770	eight
26178	planets
3797	spinning
10381	axes
5123	follow
604	fixed
4065	paths
1921	sun
26178	planets
16491	secondary
718	bodies
27718	globes
74	life
420	know
74	life
18230	transported
16222	magical
2032	immense
1405	distance
1057	space
1921	sun
486	see
52932	solar
4412	system
1893	drawn
3232	accompanying
7664	diagram
1376	fig
26178	planets
2116	mere
4738	specks
11103	faintly
3550	visible
3104	light
2107	receive
1921	sun
7664	diagram
1893	drawn
22624	approximately
1028	scale
1755	moved
3577	farther
74330	trillions
1421	miles
26178	planets
16207	fade
781	entirely
4991	view
1921	sun
12310	shrink
223	point
5821	fire
8855	star
1149	begin
2978	realize
439	nature
5097	universe
1921	sun
8855	star
8821	stars
33545	suns
1921	sun
3241	looks
3159	big
911	simply
2506	comparative
19306	nearness
5097	universe
15918	stupendous
9394	collection
2771	millions
8821	stars
33545	suns
74332	planetary
2718	families
32139	sec
1028	scale
5097	universe
8821	stars
1747	glance
17163	photograph
8855	star
7986	clouds
490	tell
1579	impossible
5401	count
627	fine
17163	photograph
7156	reproduced
8719	figure
7194	represents
6278	patch
4598	pale
411	white
325	belt
8451	milky
41732	spans
66	sky
1864	night
1944	particularly
3721	rich
2433	area
8451	milky
3308	entire
325	belt
3104	light
11015	resolved
2795	masses
7986	clouds
8821	stars
35091	astronomers
4636	counted
8821	stars
3724	typical
3362	districts
3204	partial
28262	counts
919	get
1581	idea
5891	total
2554	number
8821	stars
2088	estimated
496	thousand
2756	million
8821	stars
8821	stars
942	separated
14974	inconceivable
1619	distances
1611	greatest
13209	triumphs
6050	modern
32634	astronomy
33644	mastered
1028	scale
5097	universe
7736	centuries
35091	astronomers
664	known
730	relative
1619	distances
1921	sun
26178	planets
4123	discover
5274	actual
1405	distance
14697	planet
490	tell
1619	distances
52932	solar
4412	system
1921	sun
13349	latest
7788	measurements
1902	average
1405	distance
1421	miles
64	earth
15166	orbit
64	earth
5805	circle
1405	distance
2172	varies
553	means
2704	months
64	earth
583	opposite
1503	side
6409	path
1921	sun
1421	miles
1565	where
5731	viewed
19108	photographed
1856	positions
1670	wide
1812	apart
4424	nearest
8821	stars
1725	show
1147	tiny
3411	shift
13155	background
1595	distant
8821	stars
35094	mathematician
8977	calculate
1405	distance
8855	star
1725	show
3411	shift
670	found
4424	nearest
8855	star
64	earth
4461	recently
2396	discovered
8855	star
100	twenty
68888	trillion
1421	miles
2358	thirty
8821	stars
664	known
408	hundred
68888	trillion
1421	miles
1784	measuring
953	take
5730	heavens
408	hundred
8821	stars
408	hundred
68888	trillion
1421	miles
64	earth
1405	distance
3411	shift
8855	star
13155	background
71486	parallax
220	astronomer
1139	calls
673	minute
5026	figures
1340	uncertain
223	point
220	astronomer
878	takes
693	method
24320	learns
2727	types
8821	stars
1172	able
14549	deduce
6645	accurately
1405	distance
8855	star
664	known
2713	type
10541	faintness
954	course
11963	instruments
41011	gauging
3104	light
1363	result
100	twenty
436	years
558	work
164	field
664	known
1595	distant
8821	stars
8451	milky
408	hundred
496	thousand
68888	trillion
1421	miles
1921	sun
1921	sun
5634	central
2293	region
5097	universe
408	hundred
68888	trillion
1421	miles
5274	actual
1907	centre
12456	remainder
8821	stars
52932	solar
4412	system
2432	spread
2022	apparently
2584	enormous
6090	disc
9394	collection
1434	vast
8360	ray
3104	light
266	travels
2243	rate
1421	miles
953	take
436	years
5463	travel
612	end
1113	call
5097	universe
74333	universes
876	why
548	say
5097	universe
876	why
5097	universe
7717	believed
2971	distinguished
35091	astronomers
15561	colossal
1161	family
8821	stars
74333	universes
5097	universe
220	astronomer
553	means
9394	collection
8821	stars
10178	control
1574	movements
35093	gravitation
431	clear
74333	universes
2096	sense
942	separated
7379	profound
52968	abysses
1057	space
607	time
2456	familiar
305	strange
502	objects
5730	heavens
661	called
21418	spiral
74198	nebulae
1376	fig
486	see
2798	stage
56352	nebula
486	see
35091	astronomers
6812	regard
21418	spiral
74198	nebulae
15061	worlds
1422	making
6558	eminent
35091	astronomers
5363	believe
929	separate
74333	universes
5048	island
74333	universes
1113	call
790	great
1257	collections
2771	millions
8821	stars
5097	universe
1197	peculiarities
679	structure
8451	milky
4066	lead
35091	astronomers
1260	think
5097	universe
21418	spiral
56352	nebula
21418	spiral
74198	nebulae
74333	universes
288	illustration
35411	photo
202	harvard
73	college
10055	observatory
1376	fig
8451	milky
382	note
6292	cloud
5087	effect
288	illustration
1376	fig
8067	moon
6741	entering
4249	shadow
1745	cast
64	earth
7664	diagram
2201	shows
8067	moon
3489	partially
47482	eclipsed
288	illustration
17163	photograph
976	taken
74205	yerkes
10055	observatory
1376	fig
790	great
56352	nebula
56716	andromeda
53167	messier
1434	vast
52932	solar
4412	system
6668	excessively
673	minute
2675	comparison
56351	stellar
4412	system
5097	universe
8821	stars
1028	scale
74334	transcending
2019	human
2443	mind
9857	apprehend
52932	solar
4412	system
1921	sun
32139	sec
1506	let
1697	turn
52932	solar
4412	system
5191	consider
2376	members
6605	colony
52932	solar
4412	system
2554	number
2120	problems
444	interest
885	size
119	mass
1405	distance
26178	planets
50965	satellites
8067	moon
1302	possess
21202	temperatures
23515	sporadic
2376	members
4412	system
37860	comets
74195	meteors
1574	movements
11597	originate
1921	sun
846	composition
3597	source
3441	heat
11597	originate
868	running
6123	questions
6758	introduce
1596	branch
32634	astronomy
6076	concerned
6151	physical
1948	constitution
8821	stars
470	study
436	years
886	appeared
14974	inconceivable
74207	spectroscope
2175	enables
579	answer
6123	questions
579	answer
24498	opens
6123	questions
731	greater
444	interest
540	find
8821	stars
3680	arranged
534	order
955	development
8821	stars
3429	stages
74	life
5	history
3217	main
4263	lines
7048	evolution
56351	stellar
5097	universe
4103	worked
1921	sun
8821	stars
13128	furnaces
21202	temperatures
19382	enormously
539	conditions
691	substances
11015	resolved
6980	simplest
2162	forms
659	thus
3358	enabled
705	obtain
532	knowledge
2730	primitive
2162	forms
428	matter
2073	direction
74207	spectroscope
1367	refer
8956	helped
327	wonderful
3869	instrument
8693	owe
532	knowledge
846	composition
1921	sun
8821	stars
486	see
74207	spectroscope
5497	detect
16532	millionth
74335	milligram
428	matter
1089	account
2396	discovered
808	elements
13433	commands
6276	admiration
540	find
903	addition
5497	detect
439	nature
2162	forms
428	matter
74330	trillions
1421	miles
932	moreover
4979	measure
74336	velocities
2162	forms
428	matter
2524	moving
32635	absurdly
2736	cent
18323	error
941	easily
36940	acquiesce
6985	statement
1611	greatest
3869	instrument
14934	devised
6088	brain
418	hand
303	man
6123	questions
6050	modern
32634	astronomy
471	deals
579	answer
971	requires
10172	employment
11963	instruments
16114	incredible
13584	refinement
7013	exactitude
498	full
8991	resources
6040	mathematical
6053	genius
32634	astronomy
5329	judged
223	point
4991	view
445	phenomena
3989	studied
1434	vast
2795	masses
2032	immense
1619	distances
74337	aeons
607	time
5329	judged
18326	monument
2019	human
6043	ingenuity
5924	patience
4982	rarest
2713	type
6053	genius
1438	certainly
52214	grandest
2646	oldest
2621	sciences
52932	solar
4412	system
52932	solar
4412	system
6991	include
718	bodies
6907	dependent
1921	sun
24483	circulate
6	various
1619	distances
35873	deriving
3104	light
3441	heat
1921	sun
26178	planets
35092	moons
37860	comets
617	multitude
74195	meteors
523	words
718	bodies
1574	movements
1057	space
5865	determined
74331	gravitational
4057	pull
1921	sun
1921	sun
10256	thanks
327	wonderful
6050	modern
11963	instruments
3364	ingenious
5678	methods
35091	astronomers
967	day
841	remarkable
532	knowledge
1921	sun
1851	look
8719	figure
1921	sun
399	frontispiece
6953	picture
7194	represents
51498	eclipse
1921	sun
2516	dark
739	body
8067	moon
20972	screened
1921	sun
3860	shining
6090	disc
976	taken
11123	glare
1740	eyes
486	see
8594	silvery
12976	halo
4147	surrounding
790	great
47049	orb
1503	side
1921	sun
920	atmosphere
1348	crown
61229	corona
4614	stretching
2771	millions
1421	miles
1057	space
838	form
1896	soft
8594	silvery
3035	looking
3104	light
3104	light
8316	sunlight
10100	reflected
5287	particles
7105	dust
74207	spectroscope
2201	shows
452	element
61229	corona
2285	detected
8	anywhere
2776	else
5097	universe
1817	consequence
7312	named
74338	coronium
1733	notice
288	illustration
1779	base
12976	halo
3760	red
12563	flames
4155	peeping
1371	edges
3852	hidden
6090	disc
14693	remembers
1921	sun
1421	miles
3804	diameter
2709	hardly
282	told
12563	flames
2752	gigantic
486	see
4131	presently
1282	regions
1921	sun
220	astronomer
5038	divided
1921	sun
893	definite
27832	concentric
1282	regions
3823	layers
3823	layers
36861	envelop
22467	nucleus
5634	central
739	body
1921	sun
1026	somewhat
920	atmosphere
6509	envelops
64	earth
10076	vapour
3823	layers
1095	bright
411	white
739	body
1921	sun
417	seen
9905	innermost
2293	region
2404	heart
22467	nucleus
1921	sun
420	know
5634	central
739	body
22467	nucleus
3540	surrounded
3287	brilliantly
13271	luminous
8373	envelope
4927	layer
38189	vaporous
428	matter
486	see
1851	look
1921	sun
220	astronomer
1139	calls
74339	photosphere
7650	overlying
74339	photosphere
4927	layer
2946	glowing
21668	gases
664	known
8438	reversing
4927	layer
4927	layer
3456	cooler
7671	underlying
74339	photosphere
2162	forms
8069	veil
4521	smoke
9039	haze
1421	miles
4056	thickness
79	third
4927	layer
8373	envelope
3315	lying
2293	region
664	known
74340	chromosphere
74340	chromosphere
2629	extends
1421	miles
4056	thickness
65	sea
3760	red
8998	tumultuous
13106	surging
5821	fire
86	chief
2946	glowing
21668	gases
10076	vapour
810	hydrogen
3610	intense
411	white
3441	heat
74339	photosphere
22735	shines
4927	layer
1429	overpowering
3024	brilliant
22036	redness
13403	uppermost
2508	portion
74340	chromosphere
790	great
8120	fiery
1080	tongues
2946	glowing
810	hydrogen
21486	calcium
10076	vapour
4269	shoot
2714	thousands
1421	miles
7096	driven
1483	outward
1391	prodigious
74341	expulsive
2245	force
3760	red
45866	prominences
8301	notable
2518	feature
6953	picture
51498	eclipse
1921	sun
2272	referred
52932	solar
51498	eclipse
3760	red
12563	flames
2071	rose
3980	seven
668	hours
1347	height
1421	miles
1421	miles
1921	sun
935	surface
2032	immense
5835	column
3760	red
3478	hot
923	gas
884	times
4056	thickness
64	earth
5664	soaring
1517	upward
2243	rate
1421	miles
2707	hour
14146	flaming
27773	jets
45866	prominences
34312	shooting
74340	chromosphere
417	seen
967	day
2515	naked
1315	eye
15823	dazzling
3104	light
1921	sun
62269	obscures
2752	gigantic
2202	observed
74207	spectroscope
967	day
3550	visible
607	time
51498	eclipse
1921	sun
6094	extraordinary
39001	outbursts
2672	witnessed
659	thus
1927	late
200	professor
21	young
2395	described
4985	september
7702	examining
25321	prominence
74207	spectroscope
1452	remained
11812	unchanged
8912	noon
5254	previous
967	day
1788	low
3528	quiet
3035	looking
6292	cloud
1267	dense
3024	brilliant
841	remarkable
885	size
200	professor
74207	spectroscope
607	time
3987	returning
1328	half
2707	hour
474	observations
3203	astonished
540	find
2752	gigantic
1921	sun
8039	flame
10261	shattered
777	pieces
52932	solar
920	atmosphere
4987	filled
1571	flying
16450	debris
4825	portions
4620	reached
1347	height
1421	miles
52932	solar
935	surface
2524	moving
1633	velocity
1405	distance
1421	miles
13063	perceptible
1315	eye
4224	fragments
4336	doubled
1347	height
1827	ten
4238	minutes
4018	january
2971	distinguished
52932	solar
1448	observer
1927	late
200	professor
74342	tacchini
11022	rome
2202	observed
1611	greatest
45866	prominences
417	seen
303	man
1347	height
1421	miles
1610	eighteen
884	times
3804	diameter
64	earth
3591	mighty
8039	flame
1434	vast
2770	eight
26178	planets
52932	solar
4412	system
5443	ranged
1863	top
25321	prominence
8142	tower
12178	romance
32634	astronomy
74343	macpherson
288	illustration
1376	fig
7664	diagram
2301	showing
3217	main
3823	layers
1921	sun
6049	compare
399	frontispiece
288	illustration
35411	photo
6002	royal
10055	observatory
21059	greenwich
1376	fig
52932	solar
45866	prominences
417	seen
5891	total
52932	solar
51498	eclipse
976	taken
74206	sobral
3392	brazil
61229	corona
3550	visible
288	illustration
1376	fig
3550	visible
935	surface
1921	sun
17163	photograph
976	taken
6403	mount
342	wilson
10055	observatory
25738	carnegie
10899	institution
211	washington
288	illustration
1376	fig
1921	sun
19108	photographed
3104	light
2946	glowing
810	hydrogen
6403	mount
342	wilson
10055	observatory
25738	carnegie
10899	institution
211	washington
13038	vortex
445	phenomena
3651	spots
1731	especially
2500	prominent
5956	fourth
13403	uppermost
4927	layer
2293	region
61229	corona
2032	immense
1341	extent
17002	fading
4147	surrounding
66	sky
2272	referred
7664	diagram
1376	fig
2201	shows
27451	dispositions
6	various
3823	layers
1921	sun
1166	transparent
3823	layers
486	see
411	white
3104	light
739	body
1921	sun
32139	sec
935	surface
1921	sun
1506	let
578	return
486	see
420	know
74339	photosphere
1921	sun
935	surface
74339	photosphere
4874	gained
532	knowledge
846	composition
1921	sun
7717	believed
764	solid
739	body
899	examination
74339	photosphere
2201	shows
934	outer
935	surface
1994	rest
1095	bright
56393	cloudlets
1070	come
1824	go
3790	rapid
1607	succession
1638	giving
935	surface
28229	contrasts
49434	luminosity
60413	granular
1615	appearance
954	course
3550	visible
1421	miles
56393	cloudlets
2726	imply
2584	enormous
1545	activity
74339	photosphere
2842	speak
45502	picturesquely
1921	sun
935	surface
2425	resembles
8199	boiling
3229	ocean
411	white
3478	hot
6106	metal
10505	vapours
967	day
327	wonderful
3869	instrument
2395	described
74344	dilutes
915	general
11123	glare
1921	sun
2175	enables
1635	observe
8120	fiery
22202	eruptions
2707	hour
38559	oceans
3760	red
3478	hot
923	gas
411	white
3478	hot
6106	metal
10076	vapour
1921	sun
935	surface
454	constantly
7096	driven
790	great
3675	storms
15368	unimaginable
7939	energy
3186	streams
739	body
2132	muscles
1921	sun
8764	blows
934	outer
3823	layers
2752	gigantic
15971	shreds
5274	actual
985	temperature
1921	sun
935	surface
851	appears
935	surface
74339	photosphere
954	course
1191	unknown
805	careful
2758	calculation
6154	suggests
21481	deg
21481	deg
904	interior
2686	vastly
24328	hotter
838	form
13360	conception
21202	temperatures
875	exist
48934	obdurate
764	solid
2336	resist
21202	temperatures
5392	converted
1605	instantaneously
923	gas
923	gas
420	know
21668	gases
64	earth
2584	enormous
41819	pressures
875	exist
1921	sun
9413	convert
21668	gases
1904	thick
74345	treacly
7995	fluids
8474	infer
1032	state
428	matter
1627	power
957	reproduce
1921	sun
3651	spots
3024	brilliant
74339	photosphere
2516	dark
22441	areas
664	known
1921	sun
3651	spots
860	appear
2516	dark
3651	spots
2516	dark
7738	contrast
74339	photosphere
4147	surrounding
2584	enormous
885	size
1936	covering
2714	thousands
3735	square
1421	miles
935	surface
7655	positively
548	say
1851	look
790	great
3876	cavities
1921	sun
935	surface
1260	think
11449	giant
57860	whirlpools
1438	certainly
1125	seem
790	great
8804	whirling
3186	streams
2946	glowing
21668	gases
10505	vapours
2032	immense
1517	upward
2261	downward
5556	currents
1371	edges
1921	sun
3651	spots
949	rise
790	great
1080	tongues
8039	flame
3748	popularly
664	known
714	fact
1921	sun
3651	spots
13224	somehow
3553	connected
1113	call
21546	magnetic
3675	storms
64	earth
21546	magnetic
3675	storms
2346	manifest
4943	interruptions
15564	telegraphic
74346	telephonic
6700	communications
4889	violent
5095	disturbances
13461	mariner
6424	compass
6003	exceptional
56773	auroral
15055	displays
2446	connection
773	sets
445	phenomena
1560	doubted
884	times
790	great
1857	spot
1921	sun
7029	corresponding
21546	magnetic
8874	storm
17321	effects
64	earth
3166	surprising
714	fact
1921	sun
3651	spots
1725	show
893	definite
9439	periodic
6816	variations
2554	number
7118	defined
2772	period
6298	eleven
436	years
2772	period
3651	spots
2764	increase
9499	maximum
2554	number
5869	diminish
2840	minimum
2174	variation
950	regular
2725	mean
481	thing
9439	periodic
3651	spots
1860	deep
1648	seated
2446	connection
998	fundamental
1651	facts
1921	sun
679	structure
6235	activities
4391	looked
223	point
4991	view
795	importance
762	becomes
790	great
288	illustration
19069	reproduction
5484	forces
439	nature
386	messrs
17158	macmillan
16203	aurora
38337	borealis
16203	aurora
38337	borealis
541	beautiful
6549	spectacles
66	sky
3038	colours
830	shape
889	change
1677	instant
7201	fan
5897	cluster
6504	rays
884	times
5027	golden
35297	draperies
5763	gliding
4422	blue
880	green
402	yellow
3760	red
411	white
2192	combine
13	give
542	glorious
1566	display
9916	colour
6055	theory
2474	origin
839	part
7734	obscure
3896	doubt
16203	aurora
592	related
21546	magnetic
445	phenomena
64	earth
834	therefore
3553	connected
25790	electrical
5076	influence
1921	sun
470	study
1921	sun
3651	spots
6961	learned
1921	sun
935	surface
860	appear
6729	rotate
1505	speed
1269	equatorial
1282	regions
23306	rotating
1108	quicker
1282	regions
3577	farther
2278	north
2627	south
223	point
409	forty
5627	degrees
5628	equator
1193	seems
953	take
1328	half
259	days
2543	longer
4774	complete
19710	rotation
223	point
5628	equator
954	course
8479	confirms
5542	belief
1921	sun
764	solid
739	body
846	composition
420	know
21550	gaseous
1032	state
664	known
808	elements
21588	sodium
862	iron
17675	copper
22002	zinc
21579	magnesium
815	indeed
420	know
2766	practically
452	element
1921	sun
420	know
64	earth
420	know
74339	photosphere
867	said
8108	won
532	knowledge
1921	sun
3869	instrument
1091	purpose
74207	spectroscope
4183	proceeding
434	deal
1012	further
1921	sun
3597	source
7939	energy
2994	describe
3869	instrument
327	wonderful
3869	instrument
3534	reveals
74207	spectroscope
3869	instrument
40918	analysing
3104	light
9627	revelations
1510	given
2994	describe
2536	fully
658	substance
675	examined
413	made
7908	glow
413	made
13271	luminous
813	nearly
5730	heavens
13271	luminous
3869	instrument
790	great
443	range
32634	astronomy
2842	speak
40918	analysing
3104	light
2725	mean
3104	light
1673	broken
5052	waves
13798	lengths
1113	call
3104	light
951	series
673	minute
5052	waves
21651	ether
5052	waves
1784	measuring
2210	crest
2210	crest
548	say
6	various
13798	lengths
8429	wave
1758	length
3606	corresponds
9916	colour
7842	rainbow
2539	shortest
5052	waves
13	give
10948	sensation
8430	violet
9916	colour
1344	largest
5052	waves
3893	cause
10948	sensation
3760	red
7842	rainbow
714	fact
802	sort
4	natural
49414	spectrum
3778	meaning
7842	rainbow
3366	moisture
5130	laden
821	air
22868	sorted
5052	waves
1921	sun
3104	light
1123	according
1758	length
6980	simplest
838	form
74207	spectroscope
3152	glass
49379	prism
5887	triangular
3803	shaped
820	piece
3152	glass
411	white
3104	light
8316	sunlight
699	example
1300	passes
3152	glass
49379	prism
486	see
951	series
7842	rainbow
4663	tinted
3038	colours
1733	notice
5087	effect
8316	sunlight
3860	shining
958	kind
1224	cut
3152	glass
14842	stopper
9594	wine
14843	decanter
3282	instance
2785	instead
5807	catching
1315	eye
3288	coloured
9894	lights
3810	emerge
3152	glass
49379	prism
5278	allow
776	fall
4137	screen
540	find
587	pass
7657	continuous
10254	gradations
3760	red
612	end
4137	screen
3649	orange
402	yellow
880	green
4422	blue
4588	indigo
8430	violet
612	end
523	words
1113	call
411	white
3104	light
768	composed
6504	rays
3038	colours
1824	go
473	make
5087	effect
1113	call
411	white
635	water
7730	split
808	elements
811	oxygen
810	hydrogen
8316	sunlight
1673	broken
5600	primary
3038	colours
3518	mentioned
443	range
3038	colours
40	produced
74207	spectroscope
1113	call
52932	solar
49414	spectrum
74347	spectroscopic
223	point
4991	view
5600	primary
3038	colours
3679	shade
9916	colour
893	definite
1464	position
49414	spectrum
548	say
3104	light
3679	shade
9916	colour
7029	corresponding
8429	wave
1758	length
10100	reflected
604	fixed
6022	angle
450	passing
3152	glass
49379	prism
958	kind
3104	light
893	definite
1464	position
13841	denoted
2554	number
695	gives
8429	wave
1758	length
41998	vibrations
7191	constituting
2917	particular
958	kind
3104	light
2013	kinds
3104	light
8316	sunlight
29054	analysed
3104	light
658	substance
413	made
49355	incandescent
2202	observed
74207	spectroscope
452	element
659	thus
942	separated
670	found
658	substance
539	conditions
6070	pressure
197	etc
695	gives
3137	constant
49414	spectrum
6106	metal
15055	displays
19754	distinctive
9916	colour
799	obvious
834	therefore
49414	spectrum
22752	provides
553	means
23571	identifying
2917	particular
658	substance
693	method
2396	discovered
1921	sun
2287	presence
664	known
808	elements
21588	sodium
862	iron
17675	copper
22002	zinc
21579	magnesium
288	illustration
74205	yerkes
10055	observatory
1376	fig
790	great
1921	sun
1857	spot
4170	july
288	illustration
23338	photographs
976	taken
74205	yerkes
10055	observatory
1376	fig
52932	solar
45866	prominences
1421	miles
1347	height
23338	photographs
1725	show
1434	vast
952	changes
6577	occurring
1827	ten
4238	minutes
7644	october
288	illustration
35411	photo
6403	mount
342	wilson
10055	observatory
1376	fig
14757	mars
7644	october
2301	showing
2516	dark
4326	markings
8337	polar
10893	cap
288	illustration
1376	fig
13410	jupiter
2301	showing
22757	belts
6292	cloud
41338	formations
288	illustration
35411	photo
200	professor
4832	barnard
74205	yerkes
10055	observatory
1376	fig
48097	saturn
3826	november
2301	showing
3730	rings
3591	mighty
1094	swarms
74196	meteorites
806	chemical
452	element
664	known
19754	distinctive
49414	spectrum
1516	raised
49435	incandescence
19754	distinctive
49414	spectrum
1324	reliable
553	means
5011	identification
452	element
2019	human
401	face
7478	owner
658	substance
2946	glowing
17367	laboratory
4174	remote
8855	star
1961	makes
2178	difference
74207	spectroscope
3104	light
658	substance
3527	reaches
658	substance
9698	recognised
13242	identified
906	characteristic
36	set
5052	waves
49414	spectrum
2946	glowing
119	mass
923	gas
757	consist
2554	number
1095	bright
4263	lines
6	various
3038	colours
6	various
3213	intervals
7029	corresponding
958	kind
923	gas
1567	peculiar
19754	distinctive
2496	arrangement
1095	bright
4263	lines
3104	light
119	mass
2946	glowing
923	gas
413	made
587	pass
4930	cool
119	mass
923	gas
670	found
2516	dark
4263	lines
2737	replace
1095	bright
4263	lines
49414	spectrum
1765	reason
4930	cool
923	gas
24309	absorbs
6504	rays
3104	light
47934	emitted
3478	hot
923	gas
5700	experiments
958	kind
3127	enable
4599	reach
915	general
6985	statement
923	gas
634	cold
24309	absorbs
6504	rays
3104	light
2043	emits
3478	hot
5793	crossing
52932	solar
49414	spectrum
2791	hundreds
2791	hundreds
2516	dark
4263	lines
8494	explained
714	fact
74348	discriminative
10996	absorption
664	known
5860	understand
1921	sun
411	white
3104	light
2637	comes
74339	photosphere
74339	photosphere
417	seen
52932	solar
8373	envelope
2815	relatively
3456	cooler
10505	vapours
8438	reversing
4927	layer
21765	constituent
452	element
934	outer
8373	envelope
1871	stops
958	kind
3104	light
958	kind
3104	light
413	made
49355	incandescent
8164	atoms
452	element
74339	photosphere
10500	stoppages
12631	register
52932	solar
49414	spectrum
2516	dark
4263	lines
750	placed
2153	exactly
1565	where
7029	corresponding
1095	bright
4263	lines
6958	explanation
1603	attained
2516	dark
4263	lines
4676	became
4496	significant
1095	bright
4263	lines
4481	secret
1921	sun
846	composition
670	found
2766	practically
452	element
1921	sun
420	know
64	earth
13242	identified
452	element
1921	sun
1172	able
61031	isolate
64	earth
1172	able
223	point
12737	coolest
1184	places
1921	sun
7007	centres
1921	sun
3651	spots
1565	where
985	temperature
1193	seems
3881	fallen
5758	sufficiently
1788	low
5278	allow
806	chemical
837	compounds
838	form
659	thus
1172	able
4283	determine
8821	stars
37860	comets
74198	nebulae
413	made
3418	unique
6689	discovery
322	sir
18266	norman
21010	lockyer
2285	detected
3104	light
2943	coming
45866	prominences
1921	sun
1510	given
658	substance
664	known
64	earth
7011	attributed
1191	unknown
923	gas
661	called
74349	helium
7919	greek
74350	helios
1921	sun
322	sir
88	william
45404	ramsay
2396	discovered
37913	minerals
923	gas
13242	identified
74207	spectroscope
548	say
834	therefore
923	gas
2396	discovered
1921	sun
813	nearly
2358	thirty
436	years
670	found
64	earth
6689	discovery
465	lost
4448	heir
6326	thrilling
2851	chapter
16345	detective
246	story
392	science
25666	sensational
68	stories
967	day
1961	makes
1190	feel
5678	methods
490	tell
808	elements
1921	sun
8821	stars
500	built
3104	light
61229	corona
1921	sun
3518	mentioned
12582	indicates
923	gas
1191	unknown
64	earth
26939	christened
74338	coronium
1784	measuring
1505	speed
3104	light
7	use
670	found
74207	spectroscope
670	found
4979	measure
1242	difficult
24512	speeds
4979	measure
1505	speed
3915	line
3311	sight
448	movement
5576	angles
2073	direction
3035	looking
3948	sufficient
914	easy
5497	detect
1405	distance
2524	moving
739	body
664	known
914	easy
4979	measure
448	movement
3915	line
2097	vision
1242	difficult
5497	detect
1242	difficult
4979	measure
2584	enormous
1619	distances
35091	astronomers
434	deal
74207	spectroscope
5497	detect
448	movement
3604	furnish
5857	data
6013	measurement
13271	luminous
739	body
2273	containing
548	say
21588	sodium
2524	moving
3170	rapidly
74207	spectroscope
670	found
21588	sodium
4263	lines
49414	spectrum
1755	moved
1495	slightly
1461	usual
893	definite
1856	positions
8430	violet
612	end
49414	spectrum
2719	amount
889	change
1464	position
2767	increasing
1505	speed
13271	luminous
739	body
739	body
2524	moving
74207	spectroscope
5114	shifting
10588	spectral
4263	lines
583	opposite
2073	direction
3760	red
612	end
49414	spectrum
2396	discovered
2136	measured
1574	movements
9943	revealed
4691	unmistakably
2714	thousands
436	years
1742	watched
2136	measured
1505	speed
10484	tremendous
1574	movements
1921	sun
4874	gained
4810	proof
1434	vast
5095	disturbances
8353	expect
2765	actually
1798	occur
288	illustration
74207	spectroscope
3869	instrument
40918	analysing
3104	light
22752	provides
553	means
23571	identifying
691	substances
27495	pictorial
7664	diagram
24445	illustrates
230	principal
49414	spectrum
694	analysis
2301	showing
8316	sunlight
21700	decomposed
5600	primary
3038	colours
1113	call
411	white
3104	light
768	composed
3980	seven
3038	colours
7664	diagram
4434	relieved
3239	detail
34295	unduly
7734	obscure
515	simple
648	process
8360	ray
3104	light
1673	broken
49379	prism
8429	wave
13798	lengths
49414	spectrum
6504	rays
1414	greatly
16334	magnified
1921	sun
5667	dying
32139	sec
1506	let
578	return
5118	consideration
1921	sun
64	earth
8933	patent
2312	astonishing
714	fact
1921	sun
10484	tremendous
7939	energy
3441	heat
3104	light
1544	amazing
859	quantities
6060	pour
34096	ceasing
1565	where
7939	energy
1070	come
2584	enormous
27773	jets
3760	red
2946	glowing
21668	gases
417	seen
34312	shooting
10144	outwards
1921	sun
12563	flames
5821	fire
2714	thousands
1421	miles
15754	argue
5821	fire
420	know
5821	fire
64	earth
223	point
3776	scientist
1921	sun
824	burning
27794	combustion
3597	source
3441	heat
27794	combustion
806	chemical
6370	reaction
8164	atoms
539	conditions
473	make
664	known
5065	results
74351	predictable
22578	measurable
806	chemical
6370	reaction
439	nature
27794	combustion
420	know
2177	explain
1921	sun
7939	energy
815	indeed
1264	ordinary
806	chemical
6370	reaction
958	kind
1921	sun
768	composed
28520	combustible
424	material
539	conditions
27794	combustion
5860	understand
1921	sun
12032	burn
2714	thousands
436	years
437	marked
952	changes
3441	heat
3104	light
9506	production
648	process
2738	advanced
1238	evidence
952	changes
2785	instead
2341	strong
1238	evidence
1921	sun
6507	emitting
3104	light
3441	heat
1391	prodigious
859	quantities
2714	thousands
2771	millions
436	years
903	addition
532	knowledge
1650	throws
3104	light
1921	sun
1829	age
1193	seems
473	make
2764	increase
21472	decrease
436	years
1961	makes
296	wonder
7939	energy
731	greater
1700	avoid
6776	issue
3597	source
7939	energy
6149	saying
449	merely
1921	sun
945	gradually
37248	radiating
7939	energy
1299	originated
1191	unknown
1296	manner
526	beginning
530	things
1324	reliable
6041	calculations
1725	show
436	years
6441	required
2116	mere
17494	cooling
17083	globe
1921	sun
3333	possibly
1476	run
2771	millions
523	words
1921	sun
7939	energy
427	subject
7657	continuous
5756	steady
12913	renewal
1601	acquired
2584	enormous
7939	energy
3597	source
7939	energy
6958	explanation
967	day
7657	continuous
74352	accretion
7939	energy
384	due
17490	shrinkage
1921	sun
5243	bulk
2245	force
5760	gravity
5760	gravity
1008	mysterious
5484	forces
439	nature
799	obvious
714	fact
718	bodies
16500	behave
2660	attracted
24958	newton
4103	worked
3174	law
12390	attraction
548	say
3150	trying
1824	go
3708	deeply
530	things
12881	particle
428	matter
7875	attracts
5097	universe
3804	diameter
1921	sun
12310	shrink
4634	mile
2725	mean
2771	millions
22994	tons
934	outer
4634	mile
4056	thickness
1852	straight
1155	drop
4634	mile
1907	centre
7010	obviously
3823	layers
934	outer
4634	mile
1155	drop
16898	inwards
2069	degree
10484	tremendous
448	movement
428	matter
1833	slowly
953	take
1216	place
10484	tremendous
7939	energy
12149	involved
35091	astronomers
8977	calculate
17490	shrinkage
4634	mile
1641	require
1834	fifty
436	years
6272	completion
12912	assuming
1559	reasonably
7657	continuous
6892	relationship
6045	loss
3441	heat
56350	radiation
17490	shrinkage
1190	feel
4157	anxious
6055	theory
1921	sun
4676	became
634	cold
1311	support
74	life
2771	millions
436	years
6441	required
1263	suggested
607	time
6520	falls
37263	meteoric
428	matter
1921	sun
1089	account
1921	sun
3441	heat
1464	position
2709	hardly
57479	tenable
2116	mere
5243	bulk
37263	meteoric
428	matter
6441	required
26614	hypothesis
1812	apart
8492	reasons
2825	undoubtedly
2584	enormous
2719	amount
37263	meteoric
428	matter
2524	moving
32490	bounds
52932	solar
4412	system
1193	seems
893	definite
22703	routes
1921	sun
26178	planets
3155	stray
6616	erratic
859	quantities
3603	destined
2188	meet
10895	doom
34287	collision
1921	sun
2709	hardly
3948	sufficient
1089	account
1921	sun
3441	heat
2405	recent
470	study
62402	radio
735	active
718	bodies
1263	suggested
5093	factor
4814	working
10994	powerfully
2245	force
35093	gravitation
1837	maintain
1921	sun
6006	store
3441	heat
62402	radio
735	active
718	bodies
8164	atoms
1125	seem
14933	undergoing
28658	disintegration
8164	atoms
860	appear
15961	splitting
673	minute
2730	primitive
793	constituents
428	matter
7730	split
793	constituents
500	built
577	question
62402	radio
735	active
808	elements
14933	undergoing
28658	disintegration
7639	formation
1921	sun
14933	undergoing
28658	disintegration
1921	sun
2825	undoubtedly
62402	radio
735	active
3597	source
3441	heat
1921	sun
848	indefinitely
26178	planets
74	life
15061	worlds
32139	sec
431	clear
74	life
8821	stars
764	solid
1707	liquid
875	exist
13128	furnaces
74	life
3419	exists
26178	planets
16403	possibilities
5045	limited
8821	stars
74332	planetary
2718	families
1921	sun
7655	positively
548	say
26178	planets
7139	faint
3550	visible
23449	tens
74330	trillions
1421	miles
35091	astronomers
1260	think
1921	sun
6003	exceptional
26178	planets
8492	reasons
23607	speculative
74353	unconvincing
537	proportion
8821	stars
26178	planets
834	therefore
6221	survey
27718	globes
52932	solar
4412	system
915	general
1795	extend
5065	results
1994	rest
5097	universe
9485	possibility
74	life
420	know
426	rule
1595	distant
26178	planets
1921	sun
41245	uranus
39648	neptune
34414	intrinsically
3478	hot
587	pass
4424	nearest
14697	planet
1921	sun
6297	mercury
1765	reason
5363	believe
567	turns
16951	axis
2772	period
24301	revolves
1921	sun
834	therefore
1503	side
1921	sun
553	means
3441	heat
51397	sunlit
1503	side
6297	mercury
8199	boiling
223	point
634	cold
1503	side
408	hundred
5627	degrees
1010	freezing
223	point
14697	planet
53338	venus
14697	planet
53338	venus
1095	bright
17083	globe
664	known
1167	morning
165	evening
8855	star
1193	seems
3311	sight
11711	promising
7052	regards
9485	possibility
74	life
813	nearly
885	size
64	earth
1205	good
920	atmosphere
35091	astronomers
5363	believe
6297	mercury
7591	presents
401	face
1921	sun
834	therefore
8392	disadvantage
37108	broiling
3441	heat
3631	sunny
1503	side
634	cold
1057	space
583	opposite
1503	side
935	surface
53338	venus
1095	bright
3104	light
1921	sun
10100	reflected
1267	dense
2795	masses
6292	cloud
7105	dust
1242	difficult
905	trace
2361	permanent
4326	markings
659	thus
5085	ascertain
878	takes
6729	rotate
16951	axis
35091	astronomers
5363	believe
2808	succeeded
14697	planet
567	turns
401	face
1921	sun
2709	hardly
6597	conceive
74	life
935	surface
1714	spite
6292	cloud
4137	screen
288	illustration
1376	fig
8067	moon
2301	showing
790	great
4597	plain
3724	typical
43924	craters
2714	thousands
43924	craters
16098	theories
2474	origin
8494	explained
291	page
288	illustration
1376	fig
14757	mars
17204	drawings
5244	prof
24801	lowell
8398	accompany
5274	actual
23338	photographs
14757	mars
2301	showing
23413	canals
976	taken
390	mr
74354	slipher
24801	lowell
10055	observatory
1929	drawing
5244	prof
24801	lowell
413	made
4018	january
1929	drawing
5244	prof
24801	lowell
413	made
4018	january
24135	nos
1725	show
5087	effect
14697	planet
19710	rotation
24135	nos
33977	depict
7202	sections
382	note
889	change
8337	polar
3937	snow
13494	caps
288	illustration
1376	fig
8067	moon
1926	nine
5337	quarter
259	days
382	note
1008	mysterious
6504	rays
4064	diverging
1323	perfectly
4058	circular
43924	craters
7735	indicated
2025	arrows
41115	tycho
1040	upper
34020	copernicus
1879	lower
1791	mountains
52035	lunar
3545	dawn
2039	breaking
1697	turn
14757	mars
473	make
431	clear
876	why
18601	speculation
74	life
14757	mars
876	why
4480	supposed
74	life
14757	mars
2738	advanced
74	life
64	earth
74	life
14757	mars
482	basis
5542	belief
338	saw
27718	globes
52932	solar
4412	system
2795	masses
6106	metal
17494	cooling
1353	smaller
1009	cooled
712	larger
1012	further
9811	ahead
955	development
14757	mars
1353	smaller
64	earth
1009	cooled
935	surface
2771	millions
436	years
64	earth
2289	hence
246	story
74	life
4489	began
14757	mars
4489	began
246	story
74	life
64	earth
8515	guess
802	sort
74	life
2162	forms
5919	evolved
535	world
15841	confidently
548	say
5421	tend
2767	increasing
2085	intelligence
659	thus
3831	disposed
1851	look
2089	highly
4039	intelligent
1021	beings
14757	mars
2247	argument
27280	supposes
539	conditions
74	life
7117	namely
821	air
635	water
670	found
14757	mars
18503	disputed
670	found
3948	sufficient
702	quantity
1927	late
200	professor
74208	percival
24801	lowell
413	made
33266	lifelong
470	study
14757	mars
6896	maintained
2791	hundreds
1852	straight
4263	lines
1893	drawn
935	surface
14697	planet
5155	claimed
3484	beds
3633	vegetation
4952	marking
40355	sites
790	great
3959	channels
12471	pipes
553	means
74355	martians
2338	draw
635	water
8337	polar
3229	ocean
200	professor
74356	pickering
2323	authority
2119	thinks
4263	lines
1005	narrow
4647	marshes
2818	fed
10040	moist
3809	winds
1522	poles
1438	certainly
411	white
8337	polar
13494	caps
14757	mars
1125	seem
8272	melt
879	spring
2516	dark
33917	fringe
531	grows
7794	broader
35091	astronomers
548	say
540	find
905	trace
635	water
10076	vapour
920	atmosphere
14757	mars
1260	think
8337	polar
13494	caps
911	simply
2607	thin
10791	sheets
123	hoar
3526	frost
3694	frozen
923	gas
223	point
920	atmosphere
14757	mars
1438	certainly
7672	scanty
1405	distance
1921	sun
790	great
634	cold
672	fluid
635	water
875	exist
14697	planet
5551	asks
876	why
327	wonderful
11963	instruments
7489	settle
2438	points
4584	reminded
14757	mars
2491	nearer
1421	miles
64	earth
2594	approaches
1405	distance
1828	fifteen
5552	seventeen
436	years
6951	image
14757	mars
49405	photographic
6718	negative
976	taken
3159	big
16812	telescope
35091	astronomers
12895	rely
790	great
1341	extent
1315	eye
3529	sensitive
49405	photographic
8582	plate
914	easy
2147	differences
6702	opinion
1315	eye
2681	sees
1205	good
434	deal
17401	controversy
5251	august
14697	planet
750	placed
1537	observation
3167	learn
18503	disputed
4263	lines
430	people
17346	wrongly
1113	call
23413	canals
3431	traced
23338	photographs
35091	astronomers
38252	sceptical
74	life
14757	mars
2536	fully
2224	aware
6094	extraordinary
24428	adaptability
74	life
607	time
4168	climate
64	earth
4949	pole
4949	pole
2230	semi
1252	tropical
2771	millions
436	years
67	animal
10074	endure
634	cold
766	plenty
8336	arctic
447	plants
293	animals
634	cold
2576	came
1833	slowly
14757	mars
1765	reason
2309	suppose
1801	population
945	gradually
4233	adapted
2738	advanced
74	life
14757	mars
1579	impossible
1714	spite
790	great
1276	difficulties
13413	code
7053	communication
11251	elder
8268	brothers
4789	flash
1057	space
15876	solution
2120	problems
32139	sec
13410	jupiter
48097	saturn
14757	mars
2892	going
1483	outward
1921	sun
13410	jupiter
14757	mars
13410	jupiter
408	hundred
2756	million
1421	miles
1057	space
8388	older
35091	astronomers
9033	wondered
876	why
1753	occupied
14697	planet
420	know
616	contains
1926	nine
408	hundred
74357	planetoids
27718	globes
408	hundred
1421	miles
3804	diameter
607	time
1672	thought
14697	planet
8239	burst
4224	fragments
6055	theory
5967	mathematically
4433	satisfactory
424	material
1331	scattered
5183	prevented
19306	nearness
790	great
5243	bulk
13410	jupiter
34995	uniting
17083	globe
13410	jupiter
11449	giant
14697	planet
74331	gravitational
5076	influence
1795	extend
1057	space
884	times
64	earth
1926	nine
35092	moons
6249	attendance
429	interesting
382	note
1996	outermost
35092	moons
13410	jupiter
48097	saturn
6506	revolve
26178	planets
2073	direction
1945	contrary
1461	usual
2073	direction
976	taken
35092	moons
26178	planets
26178	planets
1921	sun
74	life
13410	jupiter
935	surface
486	see
23338	photographs
1376	fig
119	mass
6292	cloud
8152	steam
6509	envelops
739	body
14697	planet
2022	apparently
3760	red
3478	hot
3760	red
21235	tinge
417	seen
1371	edges
6292	cloud
22757	belts
3760	red
2293	region
3760	red
1857	spot
1421	miles
1758	length
3550	visible
1328	half
7506	century
1707	liquid
764	solid
14826	core
14697	planet
119	mass
56902	seething
10505	vapours
8804	whirling
16951	axis
1827	ten
668	hours
2331	case
1921	sun
12107	latitudes
860	appear
6729	rotate
19593	rates
904	interior
13410	jupiter
3478	hot
14697	planet
3422	self
13271	luminous
26178	planets
53338	venus
13410	jupiter
7461	shine
7911	brightly
3104	light
9885	reflect
8316	sunlight
48097	saturn
429	interesting
725	condition
935	surface
17163	photograph
1376	fig
8152	steam
48097	saturn
1921	sun
74358	vaporisation
38559	oceans
5327	necessarily
384	due
3013	internal
3441	heat
3478	hot
635	water
7489	settle
935	surface
13410	jupiter
790	great
17083	globe
567	turns
16951	axis
1827	ten
668	hours
1391	prodigious
1505	speed
39376	swirling
56902	seething
119	mass
5801	metallic
10505	vapours
21668	gases
8341	instructive
6049	compare
13410	jupiter
48097	saturn
968	respect
1921	sun
1353	smaller
27718	globes
1009	cooled
5634	central
5821	fire
48097	saturn
541	beautiful
1661	object
16812	telescope
1827	ten
35092	moons
6991	include
18503	disputed
327	wonderful
4412	system
3730	rings
661	called
3730	rings
3591	mighty
3837	swarm
74196	meteorites
777	pieces
862	iron
4534	stone
2933	sorts
3840	sizes
9885	reflect
3104	light
1921	sun
3229	ocean
428	matter
1421	miles
1860	deep
8222	stretches
496	thousand
1421	miles
935	surface
14697	planet
1421	miles
1057	space
35091	astronomers
1260	think
20659	volcanic
424	material
1164	shot
14697	planet
1025	others
6812	regard
13251	stuff
727	combined
838	form
8433	eleventh
8067	moon
5183	prevented
19306	nearness
48097	saturn
1238	evidence
74	life
48097	saturn
8067	moon
14757	mars
53338	venus
834	therefore
26178	planets
64	earth
1851	look
74	life
2331	case
53338	venus
9485	possibility
7139	faint
35092	moons
6767	attend
26178	planets
443	range
885	size
1827	ten
1421	miles
1670	wide
35092	moons
14757	mars
26112	titan
8067	moon
48097	saturn
74359	ganymede
14488	satellite
13410	jupiter
1421	miles
3804	diameter
74	life
712	larger
35092	moons
953	take
8067	moon
2713	type
3195	class
873	dead
535	world
8067	moon
2491	nearer
17944	heavenly
739	body
841	remarkable
532	knowledge
1376	fig
17163	photograph
976	taken
1344	largest
16813	telescopes
839	part
935	surface
2096	sense
16812	telescope
520	brings
8067	moon
1834	fifty
1421	miles
486	see
214	city
173	london
2516	dark
14914	sprawling
39316	blotch
17083	globe
5497	detect
37456	zeppelin
74360	diplodocus
2524	moving
12681	speck
935	surface
540	find
530	things
35091	astronomers
5363	believe
486	see
3279	signs
802	sort
7246	feeble
74	life
448	movement
8067	moon
200	professor
74356	pickering
2119	thinks
905	trace
20659	volcanic
1545	activity
7826	believes
22441	areas
3633	vegetation
1788	low
534	order
605	soil
8067	moon
3695	retain
2719	amount
635	water
1536	speaks
2607	thin
920	atmosphere
2255	occasional
3104	light
6520	falls
3937	snow
2808	succeeded
18817	persuading
805	careful
1389	observers
972	slight
952	changes
958	kind
900	taking
1216	place
8067	moon
288	illustration
1376	fig
16232	map
86	chief
1790	plains
43924	craters
8067	moon
1790	plains
6818	originally
4480	supposed
9175	seas
2289	hence
2109	name
9882	mare
288	illustration
1376	fig
7664	diagram
2914	stream
74195	meteors
2301	showing
64	earth
450	passing
288	illustration
35411	photo
6002	royal
10055	observatory
21059	greenwich
1376	fig
15165	comet
4985	september
1733	notice
2424	tendency
838	form
2554	number
1223	tails
486	see
17163	photograph
288	illustration
35411	photo
6002	royal
10055	observatory
21059	greenwich
1376	fig
15165	comet
7644	october
648	process
3410	gone
1012	further
2554	number
2115	distinct
1223	tails
4636	counted
530	things
223	point
4815	absence
821	air
8067	moon
23338	photographs
957	reproduce
490	tell
246	story
1371	edges
5614	shadows
410	black
22203	appreciable
920	atmosphere
1331	scattered
1921	sun
3104	light
1371	edges
40	produced
1642	gradual
24103	shading
486	see
64	earth
730	relative
4815	absence
821	air
13	give
949	rise
3166	surprising
17321	effects
1399	sounds
8067	moon
1399	sounds
449	merely
821	air
5052	waves
27747	meteor
24648	shattering
4889	violent
612	end
935	surface
8067	moon
473	make
3873	noise
17069	herald
2943	coming
2946	glowing
34312	shooting
8855	star
6741	entering
64	earth
920	atmosphere
11459	floating
7105	dust
8481	scent
1928	twilight
4422	blue
66	sky
8286	twinkling
8821	stars
66	sky
410	black
8821	stars
2751	clearly
3550	visible
967	day
1864	night
1921	sun
327	wonderful
61229	corona
303	man
64	earth
1625	seizing
1478	opportunity
53125	eclipses
1206	hope
486	see
668	hours
9831	lifetime
3550	visible
967	day
790	great
3760	red
12563	flames
1921	sun
954	course
74	life
9041	landscape
17321	effects
3995	scenery
17321	effects
384	due
3633	vegetation
8067	moon
878	takes
22624	approximately
100	twenty
3980	seven
259	days
1697	turn
16951	axis
5544	fourteen
259	days
7657	continuous
1864	night
985	temperature
1051	sink
491	absolute
634	cold
1057	space
1189	followed
1677	instant
1928	twilight
498	full
7627	daylight
5544	fourteen
259	days
1921	sun
6504	rays
1969	bear
1852	straight
7046	diffusion
10996	absorption
3441	heat
3104	light
5123	follow
985	temperature
8067	moon
935	surface
949	rise
19382	enormously
949	rise
985	temperature
12054	melting
3897	ice
1751	seeing
821	air
5066	check
56350	radiation
3441	heat
8067	moon
1925	gets
27955	radiate
420	know
8081	coldest
1184	places
64	earth
1379	tops
1791	mountains
2438	points
3500	reared
4424	nearest
1921	sun
8970	farthest
8096	sheltering
15461	blanket
64	earth
920	atmosphere
5274	actual
985	temperature
8067	moon
935	surface
967	day
21584	moot
223	point
1010	freezing
223	point
8199	boiling
223	point
635	water
1791	mountains
8067	moon
4450	lack
821	air
2092	considered
35091	astronomers
3604	furnish
6958	explanation
2584	enormous
2554	number
43924	craters
3844	pit
8067	moon
935	surface
408	hundred
496	thousand
305	strange
3730	rings
7717	believed
3651	spots
1565	where
74196	meteorites
74357	planetoids
8877	splashed
8067	moon
935	surface
1896	soft
35091	astronomers
1260	think
525	remains
2752	gigantic
6058	bubbles
1516	raised
8067	moon
2298	skin
17083	globe
13292	molten
20659	volcanic
21668	gases
35091	astronomers
1260	think
3748	popularly
4480	supposed
43924	craters
3469	extinct
39303	volcanoes
43924	craters
64	earth
1538	generally
1860	deep
10783	cups
1424	ring
41338	formations
8067	moon
4305	shallow
995	broad
10784	saucers
74361	clavius
1344	largest
1421	miles
904	interior
48089	encircling
20852	rampart
4634	mile
1791	mountains
8067	moon
1376	fig
949	rise
790	great
1347	height
23628	extraordinarily
10112	gaunt
9035	rugged
8200	fountains
8139	lava
4689	rising
1184	places
1346	feet
52035	lunar
42513	apennines
496	thousand
5629	steep
7238	weird
8189	peaks
3300	terrestrial
1791	mountains
4865	continually
4192	worn
3526	frost
5135	acting
3366	moisture
3897	ice
635	water
24479	agencies
24308	operating
8067	moon
1791	mountains
1062	comparatively
14401	everlasting
1372	hills
8067	moon
429	interesting
2409	precisely
873	dead
535	world
1193	seems
1725	show
64	earth
17494	cooling
6106	metal
17083	globe
60552	evolve
4174	remote
2984	future
420	know
74	life
8067	moon
2331	case
6372	proceeded
955	development
5929	imagine
305	strange
2854	lowly
2162	forms
3633	vegetation
10209	lingering
1092	pools
4309	heavy
923	gas
3663	expanding
13285	blaze
1921	sun
967	day
3694	frozen
6774	rigid
1864	night
74195	meteors
37860	comets
4410	conclude
6221	survey
52932	solar
4412	system
2472	word
34312	shooting
8821	stars
74195	meteors
37860	comets
420	know
7967	streak
5821	fire
1099	suddenly
9894	lights
66	sky
7141	overhead
1864	night
553	means
820	piece
4534	stone
862	iron
10422	entered
920	atmosphere
934	outer
1057	space
8134	burned
5761	friction
4271	travelling
100	twenty
2358	thirty
1421	miles
2663	seventy
3798	eighty
1421	miles
888	heads
4489	began
7908	glow
1347	height
821	air
1904	thick
2160	offer
576	serious
5761	friction
1982	raise
411	white
3441	heat
607	time
27747	meteor
4620	reached
100	twenty
1421	miles
64	earth
935	surface
781	entirely
1923	dissipated
426	rule
8120	fiery
10076	vapour
2771	millions
74196	meteorites
2088	estimated
1827	ten
408	hundred
2756	million
74196	meteorites
874	enter
920	atmosphere
74362	cremated
967	day
7301	weigh
7302	ounce
5816	invisible
7301	weigh
16280	ton
2795	masses
821	air
2684	acts
958	kind
35499	torpedo
52	net
1538	generally
8239	burst
4224	fragments
776	fall
5263	damage
431	clear
3805	empty
1057	space
1006	limits
52932	solar
4412	system
498	full
530	things
3837	swarm
295	fishes
9175	seas
295	fishes
932	moreover
3940	solitary
2321	gregarious
3940	solitary
1664	bit
56343	cosmic
5271	rubbish
74217	meteorite
675	examined
4311	social
2846	group
74196	meteorites
852	essential
839	part
15165	comet
22467	nucleus
1095	bright
5634	central
839	part
747	head
15165	comet
1376	fig
608	consists
3837	swarm
2714	thousands
1421	miles
1670	wide
777	pieces
862	iron
4534	stone
3837	swarm
1070	come
1921	sun
74331	gravitational
5076	influence
7901	forced
5463	travel
2516	dark
2293	region
1057	space
1755	moved
1833	slowly
4412	system
15165	comet
3136	tail
2800	crowded
74195	meteors
1469	approach
1921	sun
1505	speed
17329	increases
13	give
627	fine
10076	vapour
428	matter
3065	fierce
1133	flood
3104	light
1921	sun
1134	sweeps
10076	vapour
9202	lengthening
3136	tail
15165	comet
4271	travelling
3136	tail
2438	points
1921	sun
790	great
15165	comet
52073	vapoury
3136	tail
531	grows
2584	enormous
1758	length
15165	comet
2594	approaches
1921	sun
790	great
15165	comet
3136	tail
408	hundred
2756	million
1421	miles
768	composed
4968	thinnest
10505	vapours
8513	imaginable
1735	twice
9228	nineteenth
7506	century
64	earth
2076	passed
3136	tail
15165	comet
2452	felt
10505	vapours
3136	tail
714	fact
13252	attenuated
2709	hardly
5929	imagine
411	white
3478	hot
8457	lit
25790	electrical
2245	force
15165	comet
2698	dashes
1921	sun
408	hundred
1421	miles
587	pass
945	gradually
4412	system
496	thousand
436	years
1834	fifty
436	years
4992	monarch
4412	system
11309	summon
473	make
8120	fiery
5471	journey
9622	throne
288	illustration
35411	photo
202	harvard
73	college
10055	observatory
1376	fig
3724	typical
74209	spectra
3217	main
2727	types
56351	stellar
74209	spectra
1733	notice
4263	lines
733	common
2301	showing
808	elements
1808	met
2727	types
8821	stars
74209	spectra
3606	corresponds
36	set
6151	physical
806	chemical
539	conditions
288	illustration
35411	photo
6403	mount
342	wilson
10055	observatory
1376	fig
74197	nebular
2293	region
2627	south
74210	zeta
74211	orionis
2301	showing
790	great
2157	projection
2516	dark
428	matter
335	cutting
3104	light
288	illustration
35411	photo
74212	astrophysical
10055	observatory
17816	victoria
5732	british
213	columbia
1376	fig
8855	star
5897	cluster
27215	hercules
327	wonderful
5897	cluster
8821	stars
2088	estimated
1405	distance
5897	cluster
953	take
3104	light
436	years
4599	reach
56351	stellar
5097	universe
32139	sec
48860	immensity
56351	stellar
5097	universe
417	seen
12337	apprehension
1921	sun
1264	ordinary
8855	star
5499	insignificant
8821	stars
19382	enormously
731	greater
1921	sun
74363	betelgeux
4461	recently
2136	measured
3804	diameter
884	times
1921	sun
7048	evolution
8821	stars
4810	proof
2460	similarity
1921	sun
8821	stars
1070	come
74207	spectroscope
808	elements
540	find
553	means
1921	sun
670	found
8821	stars
428	matter
516	says
74207	spectroscope
484	essentially
5525	everywhere
64	earth
1921	sun
15165	comet
2054	visits
496	thousand
436	years
8855	star
1405	distance
32786	incalculable
790	great
7986	clouds
5821	fire
9042	mist
1113	call
74198	nebulae
7048	evolution
8821	stars
1506	let
823	keep
2438	points
2751	clearly
2443	mind
1980	starting
223	point
56352	nebula
74364	figment
3426	scientific
457	imagination
2791	hundreds
2714	thousands
74198	nebulae
74365	vaster
565	irregular
8222	stretches
38180	nebulous
428	matter
875	exist
5730	heavens
3429	stages
7048	evolution
13251	stuff
8821	stars
4596	largely
428	matter
18601	speculation
3333	possibly
3915	line
7048	evolution
6	various
16098	theories
4900	reconciled
8612	applies
16098	theories
6	various
3429	stages
8821	stars
587	pass
20063	extinction
3104	light
5337	quarter
2756	million
8821	stars
29054	analysed
74207	spectroscope
670	found
776	fall
1329	dozen
5039	classes
1538	generally
6144	correspond
3429	stages
7048	evolution
1376	fig
1829	age
8821	stars
3217	main
4263	lines
49414	spectrum
8855	star
3606	corresponds
9916	colour
2754	roughly
2846	group
8821	stars
3760	red
402	yellow
411	white
534	order
2767	increasing
985	temperature
3760	red
8821	stars
12737	coolest
411	white
8821	stars
22740	hottest
834	therefore
5929	imagine
411	white
8821	stars
8253	youngest
881	grow
8388	older
3456	cooler
644	become
3930	yellowish
3760	red
4184	finally
644	become
5816	invisible
17494	cooling
411	white
3478	hot
862	iron
429	interesting
2405	recent
9377	research
2201	shows
2013	kinds
3760	red
8821	stars
2646	oldest
8821	stars
8253	youngest
1651	facts
860	appear
8855	star
981	formed
3478	hot
2032	immense
119	mass
26989	diffuse
923	gas
2946	glowing
3648	dull
3760	red
3441	heat
8370	contracts
4187	mutual
35093	gravitation
5287	particles
531	grows
24328	hotter
6527	acquires
3930	yellowish
21235	tinge
2806	continues
2527	contract
531	grows
24328	hotter
24328	hotter
985	temperature
3527	reaches
9499	maximum
411	white
8855	star
223	point
7992	contraction
648	process
1636	stop
818	heating
648	process
1012	further
7992	contraction
891	accompanied
17494	cooling
8855	star
478	goes
9916	colour
952	changes
607	time
28032	inverse
534	order
8370	contracts
775	cools
402	yellow
4184	finally
3760	red
762	becomes
3760	red
8855	star
19382	enormously
54343	denser
1353	smaller
4489	began
3760	red
8855	star
5341	consequently
3760	red
8821	stars
5038	divided
5039	classes
661	called
20847	appropriately
6459	giants
59249	dwarfs
6055	theory
8693	owe
220	astronomer
358	russell
1660	successful
13181	explaining
4463	variety
445	phenomena
5341	consequently
1205	good
1765	reason
2309	suppose
577	question
3760	red
11449	giant
8821	stars
981	formed
5397	received
4433	satisfactory
4478	precise
2875	answers
1561	commonly
5412	accepted
6055	theory
74197	nebular
6055	theory
74197	nebular
6055	theory
32139	sec
74198	nebulae
4718	dim
13271	luminous
6292	cloud
6242	patches
5730	heavens
55096	wisps
4521	smoke
2643	cases
2776	else
45453	photography
16812	telescope
1725	show
2552	numerous
2791	hundreds
2714	thousands
664	known
2554	number
4865	continually
901	added
23274	immensely
5274	actual
6010	dimensions
1510	given
3119	estimate
420	know
20875	definitely
1405	distance
74198	nebulae
64	earth
1619	distances
74198	nebulae
664	known
22624	approximately
834	therefore
838	form
1581	idea
885	size
2643	cases
5065	results
6644	staggering
2116	mere
3550	visible
935	surface
74198	nebulae
7214	stretch
52932	solar
4412	system
838	form
1317	convenient
22935	unit
1784	measuring
8360	ray
3104	light
1641	require
5463	travel
436	years
6474	cross
1503	side
1503	side
56352	nebula
48860	immensity
14974	inconceivable
2019	human
2443	mind
860	appear
2727	types
74198	nebulae
1238	evidence
10695	suggesting
2713	type
1297	earlier
838	form
420	know
2730	primitive
74198	nebulae
1125	seem
768	composed
923	gas
2232	extremely
74366	rarified
838	form
1242	difficult
1580	convey
22850	adequate
1581	idea
11747	rarity
74197	nebular
21668	gases
21754	residual
21668	gases
17812	vacuum
3220	tube
1267	dense
2675	comparison
21260	cubic
2138	inch
821	air
1264	ordinary
6070	pressure
771	contain
428	matter
697	contained
2771	millions
21260	cubic
1345	inches
21668	gases
74198	nebulae
3104	light
16561	faintest
8821	stars
1125	seem
12966	dimmed
450	passing
21550	gaseous
56352	nebula
223	point
841	remarkable
6151	physical
714	fact
21668	gases
13271	luminous
1761	whence
5148	derive
49434	luminosity
420	know
2709	hardly
1193	seems
5363	believe
2232	extremely
2607	thin
21668	gases
4079	exposed
2577	terrific
634	cold
1057	space
3478	hot
13271	luminous
3695	retain
3441	heat
49434	luminosity
848	indefinitely
634	cold
49434	luminosity
384	due
74367	electrification
16203	aurora
38337	borealis
1125	seem
1878	fit
2331	case
74197	nebular
6055	theory
790	great
5821	fire
1924	mists
2395	described
8821	stars
1140	born
420	know
35093	gravitation
3217	main
2245	force
558	work
56352	nebula
4480	supposed
469	action
5760	gravity
6353	flung
5821	fire
1924	mists
1149	begin
19202	condense
7007	centres
1611	greatest
21566	density
3441	heat
5919	evolved
648	process
954	course
21882	condensation
19382	enormously
1818	slow
2079	sudden
13081	irruption
3837	swarm
74195	meteors
764	solid
739	body
5056	hasten
709	matters
1414	greatly
970	ready
413	made
7007	centres
21882	condensation
21418	spiral
74198	nebulae
4480	supposed
24481	contracting
119	mass
923	gas
1149	begin
6729	rotate
1626	throw
2752	gigantic
60129	streamers
1697	turn
838	form
7007	centres
21882	condensation
679	structure
659	thus
838	form
21418	spiral
1267	dense
2293	region
1907	centre
8112	knots
7647	lumps
828	condensed
428	matter
21418	spiral
1226	arms
51320	formless
21550	gaseous
74198	nebulae
2791	hundreds
2714	thousands
21418	spiral
74198	nebulae
3518	mentioned
5730	heavens
3429	stages
955	development
3550	visible
5576	angles
548	say
401	face
1025	others
3235	edge
2196	intermediate
1856	positions
851	appears
834	therefore
1889	striking
9549	confirmation
74197	nebular
26614	hypothesis
1824	go
1501	fast
17401	controversy
439	nature
21418	spiral
74198	nebulae
6558	eminent
35091	astronomers
1260	think
56351	stellar
74333	universes
4795	comparable
885	size
2331	case
1434	vast
4560	structures
3475	represent
8821	stars
648	process
21882	condensation
1638	giving
1813	birth
2549	huge
74368	agglomerations
8821	stars
8855	star
4653	clusters
1434	vast
47814	enigmatic
502	objects
1626	throw
3104	light
2474	origin
52932	solar
4412	system
74197	nebular
26614	hypothesis
3383	invented
55738	laplace
2177	explain
2474	origin
52932	solar
4412	system
1808	met
3463	universal
16881	acceptance
6958	explanation
8417	offers
1396	grave
1276	difficulties
427	subject
796	closely
15180	investigated
1067	hold
14530	opinions
12868	reserve
976	taken
855	probable
5097	universe
946	developed
2795	masses
49355	incandescent
923	gas
288	illustration
35411	photo
74205	yerkes
10055	observatory
1376	fig
790	great
56352	nebula
52570	orion
11594	impressive
56352	nebula
5730	heavens
55841	inconceivably
731	greater
6010	dimensions
52932	solar
4412	system
288	illustration
35411	photo
14656	lick
10055	observatory
1376	fig
11449	giant
21418	spiral
56352	nebula
3531	march
21418	spiral
56352	nebula
417	seen
498	full
1733	notice
5634	central
22467	nucleus
21418	spiral
1226	arms
4013	emerging
583	opposite
5367	directions
428	matter
4022	flowing
22467	nucleus
1226	arms
1226	arms
22467	nucleus
2331	case
919	get
3186	streams
583	opposite
5367	directions
22467	nucleus
1813	birth
2058	death
8821	stars
32139	sec
925	variable
2516	dark
8821	stars
5667	dying
33545	suns
35091	astronomers
5363	believe
925	variable
8821	stars
8855	star
66059	dullest
3760	red
8855	star
5667	dying
33545	suns
3104	light
8821	stars
2172	varies
34747	periodically
259	days
987	weeks
436	years
429	interesting
6898	speculate
1833	slowly
5667	dying
33545	suns
13292	molten
904	interior
34747	periodically
15962	bursts
1904	thick
10505	vapours
2010	gathering
338	saw
1921	sun
1193	seems
223	point
2798	stage
2984	future
5397	received
6702	opinion
925	variable
8821	stars
8821	stars
34747	periodically
587	pass
790	great
3837	swarm
74195	meteors
2293	region
1057	space
3721	rich
56343	cosmic
7105	dust
802	sort
954	course
790	great
40236	illumination
953	take
1216	place
3195	class
925	variable
8821	stars
878	takes
2109	name
8855	star
74369	algol
444	interest
79	third
1864	night
74369	algol
3104	light
2839	reduced
668	hours
6050	modern
32634	astronomy
2396	discovered
2331	case
8821	stars
41448	circulating
733	common
1907	centre
79	third
1864	night
10585	fainter
2637	comes
9601	companion
6065	causes
51498	eclipse
4461	recently
5703	regarded
429	interesting
2331	case
873	dead
8855	star
9943	revealed
450	passing
3104	light
8855	star
35091	astronomers
2405	recent
436	years
3383	invented
61485	selenium
3407	cell
3529	sensitive
49405	photographic
8582	plate
4480	supposed
873	dead
8855	star
13544	registers
865	alive
74369	algol
429	interesting
2762	pair
8821	stars
2396	discovered
2791	hundreds
74330	trillions
1421	miles
64	earth
420	know
2795	masses
1619	distances
2058	death
1813	birth
8821	stars
5328	positive
532	knowledge
873	dead
8821	stars
3166	surprising
9885	reflect
873	dead
8855	star
553	means
5816	invisible
8855	star
486	see
2143	individual
8821	stars
8393	tending
2058	death
5592	behold
1434	vast
1801	population
12842	conceivable
5050	ages
10151	presume
873	dead
418	hand
1765	reason
2309	suppose
5097	universe
868	running
7305	writers
6896	maintained
2247	argument
5343	implies
420	know
790	great
434	deal
5097	universe
2765	actually
3426	scientific
303	man
420	know
5097	universe
39291	finite
6481	infinite
2131	temporal
9898	eternal
21471	declines
6898	speculate
1565	where
1651	facts
6207	guide
965	knows
790	great
21550	gaseous
74198	nebulae
6704	promise
3613	myriads
15061	worlds
2984	future
33587	concedes
9485	possibility
74198	nebulae
763	forming
21651	ether
1057	space
429	interesting
427	subject
1733	notice
1813	birth
8855	star
4770	event
35091	astronomers
10089	announce
436	years
15285	portentous
4770	event
5352	reader
39614	imagines
2263	reported
4542	daily
2270	paper
246	story
2643	cases
548	say
8855	star
886	appeared
1149	begin
12333	realise
1277	magnitude
4770	event
3167	learn
1595	distant
13285	blaze
7767	occurred
607	time
2058	death
20912	luther
3104	light
13283	conflagration
8972	speeding
1057	space
1421	miles
976	taken
813	nearly
7736	centuries
4599	reach
3550	visible
1405	distance
8120	fiery
8138	outbreak
15918	stupendous
119	mass
21820	petroleum
1827	ten
884	times
885	size
64	earth
1099	suddenly
7084	fired
417	seen
1405	distance
8855	star
5105	increased
3104	light
49063	hundredfold
259	days
3267	considerable
6285	fascination
18601	speculation
2643	cases
486	see
12529	resurrection
873	dead
535	world
553	means
7900	renewing
1801	population
5097	universe
3244	happens
2293	region
66	sky
1565	where
8855	star
7139	faint
8855	star
9371	registered
17926	charts
1099	suddenly
3044	perceive
1095	bright
8855	star
259	days
949	rise
2041	highest
2949	brilliancy
74207	spectroscope
3167	learn
1595	distant
13285	blaze
553	means
1391	prodigious
57642	outpour
411	white
3478	hot
810	hydrogen
2791	hundreds
1421	miles
8855	star
7771	sinks
2704	months
540	find
56352	nebula
1503	side
4	natural
2309	suppose
873	dead
5667	dying
1921	sun
13224	somehow
67349	reconverted
839	part
56352	nebula
35091	astronomers
1260	think
3489	partially
34581	collided
8855	star
2070	approached
796	closely
1363	result
2395	described
1297	earlier
291	page
915	general
6702	opinion
7139	faint
873	dead
8855	star
4994	rushed
1282	regions
1057	space
2032	immense
8222	stretches
38180	nebulous
428	matter
839	part
74370	vaporised
5761	friction
1276	difficulties
3267	considerable
35091	astronomers
12012	prefer
1260	think
9862	blazing
8855	star
449	merely
8457	lit
2516	dark
56352	nebula
5061	existed
2120	problems
18601	speculation
16501	tempting
5328	positive
532	knowledge
9458	incomplete
4824	content
3144	proud
953	take
13283	conflagration
7767	occurred
496	thousand
68888	trillion
1421	miles
12691	analyse
7655	positively
74371	outflame
2946	glowing
810	hydrogen
923	gas
1421	miles
830	shape
5097	universe
32139	sec
5097	universe
21418	spiral
56352	nebula
830	shape
5097	universe
6010	dimensions
10484	tremendous
577	question
8836	ask
7616	asking
4039	intelligent
1083	insect
2168	single
334	leaf
790	great
17216	brazilian
2580	forest
548	say
830	shape
885	size
2580	forest
303	man
6043	ingenuity
2412	proved
2332	equal
1638	giving
579	answer
577	question
693	method
2153	exactly
706	similar
3424	adopted
1083	insect
2309	suppose
3282	instance
2580	forest
3803	shaped
7797	elongated
618	oval
1083	insect
1360	lived
492	tree
1907	centre
618	oval
1377	trees
22624	approximately
3209	equally
41828	spaced
860	appear
54343	denser
1758	length
618	oval
2141	width
515	simple
5118	consideration
425	guided
35091	astronomers
4501	determining
830	shape
56351	stellar
5097	universe
2073	direction
5730	heavens
8821	stars
860	appear
54343	denser
5367	directions
5576	angles
2073	direction
2073	direction
1851	look
8451	milky
5401	count
2554	number
8821	stars
3550	visible
5730	heavens
540	find
644	become
2552	numerous
1469	approach
8451	milky
1824	go
3577	farther
3577	farther
8451	milky
8821	stars
2607	thin
4599	reach
9499	maximum
74372	sparseness
5367	directions
5576	angles
5575	plane
8451	milky
5191	consider
8451	milky
838	form
5628	equator
4412	system
3915	line
5576	angles
223	point
2278	north
2627	south
1522	poles
4412	system
714	fact
3803	shaped
7703	lens
1921	sun
1901	situated
1907	centre
7703	lens
15425	remoter
839	part
7703	lens
3235	edge
3333	possibly
464	altogether
468	lies
790	great
951	series
8855	star
7986	clouds
473	make
8451	milky
8821	stars
999	motion
4412	system
841	remarkable
6689	discovery
413	made
16070	motions
781	entirely
4720	random
790	great
3596	majority
8821	stars
16070	motions
2136	measured
776	fall
2830	groups
15569	drifting
583	opposite
5367	directions
1633	velocity
2914	stream
730	relative
100	twenty
1421	miles
8821	stars
763	forming
2830	groups
4182	thoroughly
633	mixed
2331	case
1997	inner
2914	stream
2892	going
934	outer
2914	stream
8821	stars
2892	going
8821	stars
2914	stream
867	said
6558	eminent
35091	astronomers
1067	hold
21418	spiral
74198	nebulae
74333	universes
1851	look
23338	photographs
2011	figs
486	see
45817	spirals
2501	features
3104	light
867	said
4412	system
841	remarkable
56352	nebula
22347	coma
74373	berenices
21418	spiral
3235	edge
486	see
2409	precisely
7703	lens
3803	shaped
2221	middle
915	general
3741	flattened
830	shape
670	found
4412	system
56352	nebula
56206	canes
74374	venatici
21418	spiral
1285	facing
830	shape
38914	irresistibly
6154	suggests
16070	motions
21418	spiral
1226	arms
999	motion
5634	central
7703	lens
3803	shaped
2508	portion
3893	cause
2169	double
9214	streaming
999	motion
5634	central
2508	portion
958	kind
670	found
4412	system
464	altogether
1812	apart
8312	considerations
1205	good
8492	reasons
8451	milky
1302	possess
2169	double
2926	armed
21418	spiral
679	structure
790	great
6242	patches
2516	dark
14780	absorbing
428	matter
664	known
875	exist
8451	milky
486	see
1376	fig
13	give
4250	mottled
1615	appearance
1733	notice
1226	arms
486	see
3235	edge
56352	nebula
22347	coma
74373	berenices
26614	hypothesis
834	therefore
5097	universe
21418	spiral
56352	nebula
867	said
5412	accepted
1414	greatly
17329	increases
3119	estimate
885	size
424	material
5097	universe
5634	central
7703	lens
3803	shaped
4412	system
1432	calculated
1795	extend
8451	milky
100	twenty
496	thousand
884	times
2756	million
2756	million
1421	miles
79	third
1405	distance
661	called
1522	poles
2309	suppose
21418	spiral
56352	nebula
1558	independent
56351	stellar
5097	universe
4795	comparable
885	size
2791	hundreds
2714	thousands
21418	spiral
74198	nebulae
486	see
885	size
424	material
5097	universe
815	indeed
7050	comprehension
288	illustration
35411	photo
6403	mount
342	wilson
10055	observatory
1376	fig
21418	spiral
56352	nebula
417	seen
3235	edge
1733	notice
7703	lens
3803	shaped
7639	formation
22467	nucleus
1497	arm
4614	stretching
2556	band
486	see
4601	reference
412	text
7383	resemblance
56351	stellar
5097	universe
288	illustration
35411	photo
74213	shepstone
2138	inch
16812	telescope
6403	mount
342	wilson
11122	reflecting
16812	telescope
1344	largest
535	world
5594	mirror
1901	situated
1779	base
16812	telescope
288	illustration
52932	solar
4412	system
2725	mean
1405	distance
2772	period
2109	name
1921	sun
1629	revolution
3804	diameter
2554	number
2771	millions
1921	sun
1421	miles
50965	satellites
1421	miles
436	years
6297	mercury
53338	venus
64	earth
14757	mars
13410	jupiter
48097	saturn
41245	uranus
39648	neptune
1921	sun
8067	moon
1376	fig
288	illustration
8855	star
1619	distances
1405	distance
8855	star
3104	light
436	years
74375	polaris
62586	capella
74376	rigel
56041	sirius
64851	procyon
72699	regulus
74377	arcturus
41032	alpha
74328	centauri
41720	vega
1353	smaller
74378	magellanic
6292	cloud
790	great
5897	cluster
27215	hercules
2088	estimated
1376	fig
1619	distances
449	merely
22098	approximate
427	subject
1012	further
17210	revision
3104	light
2658	year
1405	distance
3104	light
4271	travelling
2243	rate
1421	miles
1916	cover
2658	year
515	simple
5981	outline
5705	touched
32964	debatable
6123	questions
6607	engage
1663	attention
6050	modern
35091	astronomers
6123	questions
2076	passed
18775	controversial
2798	stage
3810	emerge
32634	astronomy
2984	future
417	seen
6743	convince
4582	advances
2984	future
1853	holds
6006	store
392	science
5730	heavens
7351	constitutes
1156	stones
327	wonderful
2999	fabric
2019	human
532	knowledge
33948	astronomical
11963	instruments
32139	sec
16812	telescope
11963	instruments
6050	modern
32634	astronomy
3824	finest
13209	triumphs
5994	mechanical
3005	skill
535	world
790	great
6050	modern
10055	observatory
11963	instruments
4636	counted
4543	score
513	stand
1539	pre
6558	eminent
998	fundamental
11963	instruments
6050	modern
32634	astronomy
11963	instruments
16812	telescope
74207	spectroscope
32634	astronomy
420	know
875	exist
2226	dispute
1565	where
16812	telescope
4580	constructed
33948	astronomical
3869	instrument
7659	dates
607	time
790	great
7507	italian
3776	scientist
35090	galileo
8027	imperfect
16812	telescope
10776	invention
2202	observed
3651	spots
1921	sun
1791	mountains
8067	moon
86	chief
50965	satellites
13410	jupiter
1205	good
2762	pair
6050	modern
74379	binoculars
4513	superior
3869	instrument
35090	galileo
5	history
16812	telescope
2354	construction
2730	primitive
3869	instrument
6050	modern
11449	giant
4461	recently
5768	erected
6403	mount
342	wilson
219	california
8798	exciting
2851	chapter
2019	human
1528	progress
11963	instruments
269	historic
444	interest
10774	era
6050	modern
16813	telescopes
1030	begins
9228	nineteenth
7506	century
7506	century
16812	telescope
2354	construction
14350	underwent
13551	unprecedented
955	development
2032	immense
2719	amount
444	interest
976	taken
2354	construction
16813	telescopes
7142	countries
535	world
10422	entered
8798	exciting
3093	race
887	produce
1439	powerful
11963	instruments
34597	rivalry
7142	countries
34597	rivalry
5678	methods
16812	telescope
946	developed
4263	lines
2727	types
18597	partisans
967	day
2727	types
664	known
74380	refractors
74381	reflectors
485	necessary
4906	mention
5010	briefly
7546	principles
5601	employed
74214	refractor
1264	ordinary
2456	familiar
2713	type
16812	telescope
608	consists
484	essentially
7703	lens
612	end
3220	tube
7703	lens
661	called
1315	eye
820	piece
5970	function
7703	lens
1178	act
802	sort
2752	gigantic
1315	eye
4977	collects
2719	amount
3104	light
2719	amount
22528	proportional
885	size
520	brings
3104	light
8394	focus
3220	tube
16812	telescope
659	thus
2865	produces
1095	bright
6951	image
1315	eye
820	piece
51730	magnifies
6951	image
49362	reflector
2785	instead
7703	lens
1863	top
3220	tube
5594	mirror
750	placed
671	bottom
5594	mirror
3803	shaped
9885	reflect
3104	light
6520	falls
8394	focus
1761	whence
3104	light
441	led
1315	eye
820	piece
659	thus
74214	refractor
49362	reflector
994	differ
767	chiefly
1296	manner
2010	gathering
3104	light
74382	powerfulness
16812	telescope
5261	depends
885	size
3104	light
27765	gatherer
16812	telescope
7703	lens
1345	inches
3804	diameter
884	times
1439	powerful
7703	lens
1345	inches
3804	diameter
2719	amount
3104	light
3962	gathered
7010	obviously
5261	depends
2433	area
7703	lens
2433	area
2172	varies
3735	square
3804	diameter
1344	largest
16813	telescopes
844	existence
74381	reflectors
7909	easier
3822	construct
5594	mirror
3822	construct
7703	lens
20017	cheaper
5594	mirror
4340	likely
919	get
534	order
7703	lens
6044	irregularity
830	shape
5594	mirror
2865	produces
731	greater
59324	distorting
5087	effect
7703	lens
74214	refractor
1317	convenient
3681	handle
49362	reflector
8492	reasons
790	great
74380	refractors
413	made
1344	largest
790	great
74205	yerkes
74214	refractor
1353	smaller
1611	greatest
49362	reflector
6403	mount
342	wilson
219	california
7703	lens
74205	yerkes
74214	refractor
2052	measures
1346	feet
1345	inches
3804	diameter
6403	mount
342	wilson
49362	reflector
3804	diameter
2770	eight
1346	feet
1345	inches
288	illustration
74205	yerkes
2138	inch
74214	refractor
1344	largest
49385	refracting
16812	telescope
535	world
3159	big
7703	lens
12899	weighs
2664	pounds
8297	mammoth
3220	tube
1346	feet
12899	weighs
2664	pounds
748	parts
1755	moved
7301	weigh
22624	approximately
22994	tons
790	great
2138	inch
49362	reflector
6403	mount
342	wilson
11122	reflecting
16812	telescope
1344	largest
11122	reflecting
3869	instrument
535	world
12899	weighs
813	nearly
2664	pounds
2524	moving
748	parts
16812	telescope
7301	weigh
22994	tons
2138	inch
49362	reflector
7143	dominion
74212	astrophysical
10055	observatory
17816	victoria
12899	weighs
813	nearly
2664	pounds
2524	moving
748	parts
22994	tons
288	illustration
35411	photo
74213	shepstone
2169	double
24717	slide
8582	plate
9331	holder
74205	yerkes
2138	inch
49385	refracting
16812	telescope
1353	smaller
16812	telescope
1863	top
6953	picture
2684	acts
33754	finder
164	field
4991	view
16812	telescope
21563	restricted
1242	difficult
11210	recognise
839	part
5730	heavens
8961	surveyed
1353	smaller
16812	telescope
878	takes
712	larger
2433	area
2175	enables
4478	precise
1661	object
675	examined
941	easily
285	selected
288	illustration
6050	modern
1304	direct
381	reading
74207	spectroscope
29273	hilger
23210	ltd
3104	light
2657	brought
16812	telescope
7730	split
49379	prism
6113	resulting
49414	spectrum
2202	observed
16812	telescope
2845	device
22541	whereby
1627	power
11449	giant
11963	instruments
790	great
1012	further
5815	heightened
2845	device
515	simple
4928	allowing
49405	photographic
8582	plate
953	take
1216	place
2019	human
1315	eye
15740	nowadays
220	astronomer
2322	seldom
24773	spends
1864	night
1315	eye
8635	glued
790	great
16812	telescope
5954	puts
49405	photographic
8582	plate
49405	photographic
8582	plate
3092	advantage
1315	eye
1938	builds
7006	impressions
12060	stare
1661	object
7139	faint
417	seen
486	see
49405	photographic
8582	plate
7139	faint
7006	impressions
1824	go
13452	accumulating
2707	hour
2707	hour
1300	passes
8855	star
7139	faint
473	make
13063	perceptible
7774	impression
8582	plate
478	goes
4646	affecting
4184	finally
1961	makes
7774	impression
413	made
3550	visible
49405	photographic
8582	plate
3534	reveals
445	phenomena
5730	heavens
417	seen
1439	powerful
16813	telescopes
16813	telescopes
958	kind
14381	discussing
16813	telescopes
4181	exploring
5730	heavens
6787	mounted
74383	equatorially
548	say
6787	mounted
2547	inclined
13275	pillar
5987	parallel
16951	axis
64	earth
23306	rotating
13275	pillar
16812	telescope
3358	enabled
5123	follow
2745	apparent
999	motion
8855	star
384	due
19710	rotation
64	earth
999	motion
1531	effected
9801	clock
558	work
4705	adjusted
8855	star
9801	clock
558	work
4507	started
16812	telescope
525	remains
4705	adjusted
8855	star
1758	length
607	time
5948	desired
790	great
8244	official
10055	observatory
21059	greenwich
10055	observatory
10055	observatory
9672	paris
21511	transit
11963	instruments
16813	telescopes
1353	smaller
74384	equatorials
1917	facility
448	movement
2554	number
4956	exquisite
13586	refinements
4233	adapted
6277	accurate
7788	measurements
11963	instruments
767	chiefly
9393	compilation
44446	nautical
26594	almanac
5123	follow
2745	apparent
16070	motions
8821	stars
8821	stars
667	allowed
4019	drift
164	field
2097	vision
8855	star
8649	crosses
2846	group
5987	parallel
27833	wires
1315	eye
820	piece
4478	precise
607	time
1658	passage
5396	recorded
3357	owing
730	relative
51263	fixity
1464	position
11963	instruments
4580	constructed
5402	record
1856	positions
8821	stars
731	greater
2227	accuracy
915	general
2135	flexible
5881	mounting
74384	equatorials
7675	recording
21511	transit
1062	comparatively
715	dry
558	work
25821	spectacular
452	element
781	entirely
7733	absent
8821	stars
5947	treated
449	merely
6040	mathematical
2438	points
474	observations
3604	furnish
482	basis
6050	modern
6040	mathematical
32634	astronomy
9232	publications
44446	nautical
26594	almanac
29224	connaissance
17776	du
21239	temps
9705	robbed
731	greater
839	part
795	importance
32139	sec
74207	spectroscope
10578	learnt
7546	principles
74207	spectroscope
3869	instrument
1422	making
3167	learn
5274	actual
1948	constitution
8821	stars
901	added
1434	vast
7066	domain
32634	astronomy
6980	simplest
838	form
3869	instrument
40918	analysing
2508	portion
608	consists
2168	single
49379	prism
49379	prism
2069	degree
49416	dispersion
660	obtained
7010	obviously
10433	desirable
6277	accurate
21638	analytical
558	work
49416	dispersion
12135	separation
748	parts
49414	spectrum
790	great
49416	dispersion
5105	increased
1527	using
2554	number
6134	prisms
3104	light
4013	emerging
49379	prism
6741	entering
49379	prism
2865	produces
69142	dispersive
5087	effect
2554	number
6134	prisms
5601	employed
544	final
49416	dispersion
3267	considerable
3267	considerable
2719	amount
3104	light
4120	absorbed
5600	primary
3597	source
3104	light
2341	strong
544	final
49414	spectrum
7246	feeble
12632	decipher
9387	obtaining
3267	considerable
49416	dispersion
1527	using
41081	diffraction
8000	grating
2785	instead
49379	prism
608	consists
484	essentially
820	piece
3152	glass
4263	lines
12221	ruled
8071	diamond
223	point
4263	lines
5758	sufficiently
7730	split
3104	light
2105	falling
793	constituents
887	produce
49414	spectrum
6050	modern
41081	diffraction
8000	grating
3138	truly
327	wonderful
820	piece
558	work
616	contains
2714	thousands
4263	lines
2138	inch
4263	lines
41828	spaced
1611	greatest
2227	accuracy
3869	instrument
3267	considerable
6045	loss
3104	light
867	said
658	substance
19754	distinctive
49414	spectrum
1672	thought
245	list
74209	spectra
691	substances
2453	prepared
49414	spectrum
694	analysis
644	become
1323	perfectly
13878	straightforward
3082	practice
530	things
515	simple
49414	spectrum
47934	emitted
658	substance
18073	influenced
4463	variety
539	conditions
6070	pressure
985	temperature
1032	state
999	motion
1661	object
4265	observing
473	make
2178	difference
3132	laborious
3215	tasks
6050	modern
74385	spectroscopist
37924	disentangle
17321	effects
515	simple
995	broad
5748	outlines
74386	spectroscopy
522	reality
4660	intricate
1543	branches
6050	modern
392	science
17123	bibliography
245	list
8793	books
5124	useful
6864	readers
11517	wishing
12526	pursue
1012	further
470	study
32634	astronomy
2402	ball
246	story
5730	heavens
2402	ball
246	story
1921	sun
5440	forbes
5	history
32634	astronomy
74387	hincks
32634	astronomy
74388	kippax
1113	call
8821	stars
24801	lowell
14757	mars
23413	canals
24801	lowell
7048	evolution
15061	worlds
74389	mckready
62609	beginner
8855	star
3	book
74326	newcomb
391	popular
32634	astronomy
74326	newcomb
8821	stars
470	study
5097	universe
74390	olcott
164	field
3	book
8821	stars
5560	price
466	essence
32634	astronomy
74391	serviss
19021	curiosities
11691	skies
24709	webb
14501	celestial
502	objects
733	common
16813	telescopes
21	young
412	text
3	book
915	general
32634	astronomy
249	ii
246	story
7048	evolution
17298	introductory
526	beginning
64	earth
1422	making
74	life
1096	creatures
32139	sec
7048	evolution
1581	idea
3398	master
5527	key
24498	opens
6969	doors
13271	luminous
6629	interpretation
535	world
1972	throwing
3104	light
417	seen
13969	antiquity
5	history
4	natural
5	history
2175	enables
5860	understand
4979	measure
1070	come
548	say
5860	understand
4979	measure
714	fact
7048	evolution
526	beginning
6619	discern
6977	factors
558	work
7048	evolution
1581	idea
359	old
2892	going
7919	greek
11688	philosophers
6050	modern
884	times
644	become
852	essential
839	part
6194	mental
9470	equipment
28642	everyday
9385	intellectual
4129	tool
933	applied
2474	origin
52932	solar
4412	system
1422	making
64	earth
933	applied
447	plants
293	animals
2600	extended
303	man
2432	spread
34	language
57	folk
446	ways
9271	institutions
2405	recent
436	years
7048	evolution
1581	idea
933	applied
806	chemical
808	elements
851	appears
74392	uranium
889	change
60544	radium
60544	radium
887	produce
74349	helium
4066	lead
544	final
6880	stable
1363	result
952	changes
74392	uranium
4774	complete
808	elements
6087	outcome
8500	inorganic
7048	evolution
6069	extension
7048	evolution
1581	idea
535	world
535	world
7048	evolution
718	bodies
6465	brains
7048	evolution
7233	feelings
1118	emotions
6675	ideas
457	imagination
21627	organic
7048	evolution
553	means
505	child
2955	parent
2984	future
1627	power
1151	principle
648	process
648	process
3504	becoming
553	means
967	day
293	animals
447	plants
6304	subtle
21805	inter
501	relations
8662	arisen
4	natural
74393	knowable
2436	preceding
1032	state
5100	affairs
1026	somewhat
2843	simpler
2162	forms
21805	inter
501	relations
2843	simpler
5587	backwards
5587	backwards
2771	millions
436	years
12634	lose
38988	clues
1904	thick
9042	mist
2588	hangs
74	life
419	beginnings
52932	solar
4412	system
595	represented
56352	nebula
802	sort
2842	speak
7048	evolution
1921	sun
26178	planets
424	material
1086	changed
2622	distribution
2162	forms
9623	clearer
7	use
2472	word
27315	genesis
7062	similarly
2019	human
9271	institutions
2842	speak
7048	evolution
9285	government
5311	cities
303	man
918	works
1091	purpose
6675	ideas
25908	ideals
4979	measure
21695	controlling
511	actions
6724	guiding
9658	achievements
9623	clearer
823	keep
1205	good
359	old
2472	word
5	history
4003	processes
4311	social
3504	becoming
303	man
6727	conscious
6193	agent
27315	genesis
52932	solar
4412	system
5	history
58249	civilisation
2637	comes
1434	vast
648	process
21627	organic
7048	evolution
2472	word
955	development
984	kept
3504	becoming
2143	individual
990	chick
683	egg
3282	instance
21627	organic
7048	evolution
7657	continuous
4	natural
648	process
18827	racial
889	change
3697	successive
3175	steps
893	definite
2073	direction
22541	whereby
37868	distinctively
52972	individualities
5952	arise
953	take
611	root
9985	flourish
1383	sooner
1216	place
74394	originative
3020	stock
2017	domesticated
5047	breeds
4324	pigeons
5176	poultry
5065	results
46256	evolutionary
889	change
35153	origins
3146	rock
2966	dove
8476	jungle
734	fowl
2643	cases
343	wild
439	nature
10905	ancestral
21025	stocks
967	day
2162	forms
3469	extinct
2643	cases
1191	unknown
7048	evolution
648	process
2943	coming
2892	going
4475	appearing
6250	disappearing
1893	drawn
9638	sublime
648	process
790	great
820	piece
3870	music
288	illustration
35411	photo
74215	rischgitz
9394	collection
194	charles
319	darwin
1611	greatest
415	naturalists
413	made
1581	idea
7048	evolution
236	current
9385	intellectual
11801	coin
2474	origin
1330	species
413	made
535	world
288	illustration
35411	photo
74215	rischgitz
9394	collection
3397	lord
74216	kelvin
1611	greatest
74395	physicists
9228	nineteenth
7506	century
2088	estimated
1829	age
64	earth
436	years
21809	disposal
532	knowledge
2405	recent
4672	discoveries
18216	resulted
3119	estimate
1414	greatly
5105	increased
288	illustration
35411	photo
14656	lick
10055	observatory
11449	giant
21418	spiral
56352	nebula
55738	laplace
253	famous
6055	theory
26178	planets
64	earth
981	formed
790	great
8804	whirling
74198	nebulae
288	illustration
35411	photo
4	natural
5	history
2200	museum
74217	meteorite
6165	fell
24070	scarborough
417	seen
4	natural
5	history
2200	museum
12899	weighs
23812	lb
7725	stony
74217	meteorite
74396	aerolite
32139	sec
526	beginning
64	earth
2842	speak
34	language
392	science
548	say
526	beginning
420	know
1260	think
725	condition
530	things
5952	arise
4670	went
39846	qualify
2868	phrase
6956	legitimately
6749	inquire
526	beginning
64	earth
52932	solar
4412	system
1363	result
6608	inquiry
905	trace
1921	sun
26178	planets
56352	nebula
4599	reach
730	relative
526	beginning
56352	nebula
7523	accounted
428	matter
1539	pre
424	material
535	world
548	say
867	said
526	beginning
2443	mind
12752	expressing
3150	trying
9491	express
790	great
462	truth
3410	gone
392	science
74197	nebular
26614	hypothesis
52214	grandest
2004	pictures
3426	scientific
2443	mind
2694	thrown
4137	screen
74197	nebular
26614	hypothesis
1123	according
55738	laplace
253	famous
838	form
6055	theory
52932	solar
4412	system
2752	gigantic
2946	glowing
119	mass
3797	spinning
1833	slowly
4577	uniformly
1907	centre
49355	incandescent
535	world
6292	cloud
923	gas
1009	cooled
1505	speed
19710	rotation
5105	increased
16842	shrinking
119	mass
1887	gave
929	separate
8804	whirling
1424	ring
4494	broke
3962	gathered
1595	distant
14697	planet
3217	main
119	mass
1887	gave
1424	ring
26178	planets
5384	including
64	earth
981	formed
5634	central
119	mass
4540	persisted
1921	sun
55738	laplace
1759	spoke
6055	theory
26718	kant
16175	anticipated
409	forty
436	years
3426	scientific
1177	caution
36051	conjectures
11234	distrust
1363	result
1537	observation
2758	calculation
14095	inspire
2440	subsequent
9377	research
1320	justified
11234	distrust
807	shown
493	original
56352	nebula
3478	hot
21550	gaseous
932	moreover
790	great
1276	difficulties
55738	laplace
6055	theory
12135	separation
3697	successive
3730	rings
3217	main
119	mass
21882	condensation
8804	whirling
21550	gaseous
1424	ring
14697	planet
1070	come
6953	picture
3478	hot
21550	gaseous
56352	nebula
23310	revolving
22935	unit
739	body
1510	given
1216	place
2004	pictures
659	thus
322	sir
18266	norman
21010	lockyer
5572	pointed
64	earth
2010	gathering
2771	millions
74196	meteorites
967	day
2892	going
2771	millions
436	years
1595	distant
5050	ages
74352	accretion
2686	vastly
3790	rapid
8018	voluminous
64	earth
2810	grown
74397	meteoritic
9231	contributions
12150	undoubted
1641	require
1907	centre
1732	attract
2125	difficulty
1089	account
526	beginning
1291	collecting
1907	centre
74332	planetary
22467	nucleus
932	moreover
74196	meteorites
23515	sporadic
6616	erratic
1331	scattered
6613	hither
4487	thither
1291	collecting
22935	unit
718	bodies
200	professor
74398	chamberlin
516	says
74196	meteorites
7182	characteristics
37271	wreckage
1297	earlier
12920	organisation
15008	parentage
74332	planetary
4412	system
16098	theories
44406	propounded
1089	account
2474	origin
64	earth
670	found
9755	favour
1740	eyes
6811	authorities
74398	chamberlin
68821	moulton
1123	according
6055	theory
790	great
74197	nebular
119	mass
828	condensed
838	form
1921	sun
12390	attraction
450	passing
8821	stars
14697	planet
14697	planet
64	earth
16	included
14509	heaved
838	form
11903	knotted
21418	spiral
74198	nebulae
2202	observed
5730	heavens
790	great
795	importance
8112	knots
6266	served
1291	collecting
7007	centres
1929	drawing
1571	flying
428	matter
34537	clutches
839	part
2730	primitive
12499	bolt
6339	escaped
1331	scattered
1893	drawn
1558	independent
2165	orbits
1921	sun
763	forming
74399	planetesimals
16500	behave
673	minute
26178	planets
74399	planetesimals
981	formed
966	food
8112	knots
7669	subsequently
2818	fed
298	growth
64	earth
1432	calculated
34079	newborn
64	earth
64	earth
4517	knot
74398	chamberlin
6055	theory
3804	diameter
1421	miles
4474	grew
1929	drawing
74399	planetesimals
3804	diameter
1421	miles
612	end
1832	growing
2772	period
25922	shrunk
9439	periodic
74400	shrinkages
2074	meant
41873	buckling
3697	successive
951	series
1791	mountains
3804	diameter
1421	miles
16842	shrinking
64	earth
4676	became
2137	varied
802	sort
1818	slow
8199	boiling
5789	internally
3478	hot
64	earth
7901	forced
13292	molten
428	matter
634	cold
934	outer
3533	crust
2576	came
1642	gradual
24508	assortment
5915	lighter
917	materials
2491	nearer
935	surface
9869	heavier
917	materials
3958	deeper
15296	continents
500	built
5915	lighter
917	materials
44292	granites
3484	beds
790	great
38559	oceans
413	made
9869	heavier
917	materials
74401	basalts
5045	limited
22441	areas
274	land
644	become
65	sea
65	sea
1510	given
1216	place
274	land
2219	probability
996	distinction
22441	areas
7029	corresponding
790	great
15296	continents
38559	oceans
478	goes
2798	stage
74402	lithosphere
6880	stable
3533	crust
64	earth
1149	begin
1834	fifty
1421	miles
4056	thickness
1193	seems
21	young
64	earth
920	atmosphere
5050	ages
2076	passed
635	water
4489	began
7414	accumulate
935	surface
523	words
74403	hydrosphere
635	water
2576	came
64	earth
1149	begin
2106	rain
7691	dissolving
41020	saline
428	matter
4079	exposed
487	rocks
1422	making
65	sea
896	salt
41340	weathering
2367	grounds
4347	ancient
3533	crust
821	air
635	water
4975	furnished
424	material
981	formed
43941	sandstones
74404	mudstones
41339	sedimentary
487	rocks
867	said
2719	amount
4056	thickness
1834	fifty
1421	miles
32139	sec
1422	making
74	life
429	interesting
6749	inquire
38958	callous
692	rough
24291	tumble
539	conditions
934	outer
535	world
259	days
2930	replaced
1025	others
667	allowed
17611	germination
298	growth
3151	tender
621	plant
1113	call
74	life
21296	tough
1096	creatures
1902	average
22183	organism
10092	suited
2235	violence
1096	creatures
4233	adapted
3700	mild
21202	temperatures
1684	gentle
21604	reactions
2289	hence
998	fundamental
795	importance
920	atmosphere
4309	heavy
74405	planetesimal
7105	dust
74406	blanketing
64	earth
21717	intensities
12055	radiance
74398	chamberlin
516	says
8007	inequalities
12055	radiance
2689	preparation
74	life
920	atmosphere
2000	free
811	oxygen
1615	appearance
1092	pools
74407	lakelets
8024	lakes
9175	seas
2635	waters
740	covered
64	earth
635	water
2689	preparation
74	life
635	water
21966	dissolve
712	larger
4463	variety
691	substances
731	greater
11981	concentration
1707	liquid
635	water
3593	summer
1443	readily
21963	evaporate
464	altogether
1036	pond
309	winter
3953	freeze
1341	extent
635	water
2513	mobile
4621	vehicle
6304	subtle
68779	cleaver
691	substances
635	water
2162	forms
2736	cent
428	matter
790	great
10410	significance
5064	abundance
809	carbon
810	hydrogen
811	oxygen
838	form
921	carbonic
922	acid
635	water
920	atmosphere
17494	cooling
64	earth
327	wonderful
808	elements
3418	unique
29579	ensemble
7047	properties
970	ready
874	enter
21604	reactions
501	relations
1422	making
790	great
7466	diversity
7049	complexity
39345	favouring
7639	formation
41336	plastic
74408	permeable
917	materials
1007	build
1096	creatures
12526	pursue
1581	idea
431	clear
1156	stones
3009	mortar
8529	inanimate
535	world
500	built
2316	friendly
74	life
2474	origin
1096	creatures
64	earth
8311	chapters
64	earth
5	history
736	creature
5929	imagine
3333	possibly
1360	lived
985	temperature
920	atmosphere
935	surface
635	water
834	therefore
5322	follows
1340	uncertain
55841	inconceivably
1595	distant
32	date
1096	creatures
886	appeared
64	earth
965	knows
429	interesting
5191	consider
16403	possibilities
288	illustration
7156	reproduced
17145	smithsonian
2498	report
16511	limestone
74218	canyon
44957	fossils
3469	extinct
293	animals
670	found
3146	rock
41338	formations
288	illustration
35154	genealogical
492	tree
293	animals
2301	showing
534	order
7048	evolution
915	general
501	relations
86	chief
5039	classes
535	world
530	things
5038	divided
11270	scheme
7194	represents
2798	stage
532	knowledge
36996	admittedly
23528	provisional
288	illustration
7664	diagram
74219	amoeba
1414	greatly
16334	magnified
74219	amoeba
6980	simplest
293	animals
695	gives
8362	hint
493	original
3200	ancestors
3241	looks
1147	tiny
565	irregular
12681	speck
45854	greyish
774	jelly
4024	th
2138	inch
3804	diameter
1561	commonly
670	found
5763	gliding
3567	mud
2988	weeds
2793	ponds
1565	where
53075	engulfs
1188	microscopic
966	food
553	means
4022	flowing
46064	lobes
46216	ps
966	food
46187	vacuole
74409	fv
616	contains
22109	ingested
966	food
7531	contractile
46187	vacuole
29156	cv
3991	waste
428	matter
13715	discharged
22467	nucleus
21679	gr
23517	granules
4347	ancient
884	times
10854	favourite
579	answer
7105	dust
64	earth
644	become
3426	scientific
3998	description
579	answer
74410	forecloses
577	question
392	science
548	say
54158	ignoramus
392	science
1818	slow
548	say
74411	ignorabimus
1464	position
1534	held
63160	helmholtz
3397	lord
74216	kelvin
1025	others
6154	suggests
673	minute
1096	creatures
1070	come
64	earth
3468	elsewhere
8160	cracks
74217	meteorite
56343	cosmic
7105	dust
791	remembered
620	seeds
2732	survive
2583	prolonged
21295	exposure
1788	low
21202	temperatures
21373	spores
17464	bacteria
2732	survive
985	temperature
620	seeds
447	plants
956	germs
293	animals
1032	state
13385	latent
74	life
2732	survive
2583	prolonged
21334	drought
4815	absence
811	oxygen
1123	according
45771	berthelot
41041	molecular
28658	disintegration
1158	vital
6235	activities
729	suspended
607	time
4367	afterwards
7629	recommence
2974	appropriate
539	conditions
4344	restored
834	therefore
1818	slow
548	say
5471	journey
1057	space
1579	impossible
799	obvious
9496	limitation
3397	lord
74216	kelvin
6055	theory
36110	shifts
3379	problem
2474	origin
21525	organisms
1096	creatures
64	earth
3468	elsewhere
79	third
579	answer
1096	creatures
515	simple
802	sort
10304	emerged
64	earth
935	surface
424	material
2230	semi
672	fluid
809	carbon
837	compounds
74412	activated
18596	ferments
74413	tenability
4991	view
1263	suggested
9658	achievements
46914	synthetic
11692	chemists
1172	able
11728	artificially
1007	build
691	substances
21620	oxalic
922	acid
4588	indigo
45471	salicylic
922	acid
28587	caffeine
5169	grape
703	sugar
420	know
815	indeed
439	nature
17367	laboratory
953	take
1216	place
456	clever
46914	synthetic
14170	chemist
1193	seems
2424	tendency
7049	complexity
35098	corpuscles
838	form
8164	atoms
8164	atoms
838	form
936	molecules
936	molecules
938	ones
6	various
23269	concrete
379	suggestions
413	made
6812	regard
2474	origin
428	matter
12840	dealt
2851	chapter
420	know
478	goes
967	day
1238	evidence
3519	spontaneous
1246	generation
21525	organisms
1125	seem
5952	arise
1539	pre
1138	existing
21525	organisms
958	kind
1565	where
8414	suggestion
1945	contrary
9119	fancied
16000	flaws
23143	experimenting
481	thing
9384	accept
7318	verdict
68525	omne
74414	vivum
62776	vivo
714	fact
4530	experiment
2396	discovered
4318	exception
481	thing
1837	maintain
656	remain
46914	synthetic
11692	chemists
1824	go
2215	surpassing
691	substances
411	white
683	egg
413	made
11728	artificially
919	get
3104	light
3175	steps
515	simple
1096	creatures
8662	arisen
917	materials
1414	greatly
1959	affect
915	general
134	outlook
74	life
2764	increase
17155	appreciation
74415	libelled
6085	inert
428	matter
7105	dust
64	earth
1683	naturally
13	give
949	rise
1096	creatures
2096	sense
1140	born
8851	sunshine
535	world
762	becomes
7657	continuous
1158	vital
8500	inorganic
12386	groaning
74416	travailing
762	becomes
11717	intelligible
32139	sec
21525	organisms
64	earth
23607	speculative
6953	picture
1096	creatures
64	earth
2635	waters
740	covered
64	earth
482	basis
18601	speculation
670	found
6980	simplest
1096	creatures
967	day
17464	bacteria
61461	celled
67979	animalcules
1731	especially
661	called
74417	protists
976	taken
893	definite
1556	step
3504	becoming
447	plants
293	animals
867	said
6055	theory
1096	creatures
1188	microscopic
21460	globules
428	matter
6980	simplest
17464	bacteria
967	day
1172	able
1653	live
821	air
635	water
728	dissolved
784	salts
3597	source
1299	originated
3093	race
61461	celled
5604	marine
21525	organisms
1172	able
969	manufacture
46019	chlorophyll
46019	chlorophyll
548	say
880	green
41487	pigment
1961	makes
447	plants
68651	utilise
7939	energy
8316	sunlight
2039	breaking
809	carbon
40997	dioxide
467	building
74418	photosynthesis
809	carbon
837	compounds
21489	sugars
674	starch
14408	units
20866	encased
3407	cell
3788	wall
701	cellulose
15053	boxed
7939	energy
6814	expressed
41112	undulatory
448	movement
14657	lash
74419	flagellum
553	means
35108	propelled
34465	energetically
635	water
706	similar
21525	organisms
967	day
1941	mostly
635	water
515	simple
61461	celled
447	plants
15361	paint
492	tree
2987	stems
11583	paving
1156	stones
880	green
6449	wet
3693	weather
1123	according
5244	prof
7224	church
2851	chapter
5	history
64	earth
65	sea
740	covered
20702	teemed
880	green
74420	flagellates
24624	originators
689	vegetable
3725	kingdom
8999	tack
5919	evolved
951	series
515	simple
6320	predatory
1096	creatures
1172	able
1007	build
21627	organic
428	matter
821	air
635	water
784	salts
974	devouring
13213	neighbours
14408	units
6283	closed
701	cellulose
1452	remained
2515	naked
428	matter
866	protoplasm
4022	flowing
3028	changeful
4003	processes
486	see
74421	amoebae
7751	ditch
411	white
1103	blood
35098	corpuscles
74422	amoeboid
3551	cells
24624	originators
67	animal
3725	kingdom
659	thus
515	simple
74417	protists
293	animals
447	plants
8662	arisen
673	minute
4727	worth
5699	remembering
3426	scientific
6552	spectator
958	kind
64	earth
5050	ages
35637	lamented
3308	entire
4815	absence
74	life
9175	seas
38201	teeming
6980	simplest
2162	forms
74	life
866	protoplasm
297	huxley
661	called
6151	physical
482	basis
74	life
12840	dealt
2851	chapter
1014	biology
6029	section
558	work
790	great
3175	steps
7048	evolution
447	plants
293	animals
419	beginnings
718	bodies
7048	evolution
2553	sex
526	beginning
4	natural
2058	death
32139	sec
7738	contrast
447	plants
293	animals
1070	come
3896	doubt
790	great
3175	steps
21627	organic
7048	evolution
74423	forking
35154	genealogical
492	tree
447	plants
293	animals
11286	parting
446	ways
5	history
439	nature
3724	typical
447	plants
46019	chlorophyll
1172	able
2821	feed
1788	low
806	chemical
1456	level
821	air
635	water
784	salts
1527	using
7939	energy
8316	sunlight
74418	photosynthesis
3551	cells
15053	boxed
701	cellulose
4055	walls
2653	opportunities
74424	motility
1414	greatly
21563	restricted
969	manufacture
2890	nutritive
424	material
1653	live
5279	income
970	ready
3360	getting
1222	rid
836	nitrogenous
3991	waste
428	matter
838	form
15234	helps
823	keep
1102	sluggish
293	animals
418	hand
2821	feed
806	chemical
1456	level
17457	carbohydrates
674	starch
703	sugar
909	fats
908	proteins
662	gluten
690	albumin
22247	casein
912	manufactured
293	animals
1149	begin
447	plants
3551	cells
701	cellulose
4055	walls
2643	cases
3788	wall
958	kind
74424	motility
3596	majority
33796	unrestricted
293	animals
1653	live
813	nearly
5279	income
473	make
67	animal
621	plant
2332	equal
1973	weight
49779	fractions
2301	showing
41837	ratio
24947	upbuilding
21499	constructive
806	chemical
4003	processes
2039	breaking
74425	disruptive
806	chemical
4003	processes
1824	go
7203	respective
718	bodies
41837	ratio
621	plant
731	greater
7029	corresponding
41837	ratio
67	animal
523	words
293	animals
953	take
36105	munitions
447	plants
1977	laboriously
969	manufacture
56260	explode
1590	locomotion
558	work
3308	entire
4412	system
36851	animate
439	nature
5261	depends
74418	photosynthesis
478	goes
880	green
447	plants
288	illustration
17145	smithsonian
2498	report
820	piece
38248	reef
467	building
44283	coral
500	built
6605	colony
65	sea
74220	anemone
74221	polyps
2162	forms
784	salts
65	sea
5697	skeleton
785	lime
327	wonderful
119	mass
40095	corals
541	beautiful
5697	skeleton
525	remains
2791	hundreds
1096	creatures
288	illustration
35411	photo
10169	ward
17110	inset
5805	circle
2201	shows
2846	group
7689	chalk
763	forming
293	animals
67853	foraminifera
885	size
2906	pin
747	head
838	form
790	great
839	part
7689	chalk
5645	cliffs
9743	dover
706	similar
3438	deposits
1516	raised
1491	floor
4347	ancient
65	sea
19382	enormously
2304	enlarged
288	illustration
733	common
74222	foraminifer
74223	polystomella
2301	showing
1907	centre
49278	outflowing
6133	network
428	matter
23517	granules
4865	continually
4271	travelling
966	food
5287	particles
7653	entangled
1893	drawn
7156	reproduced
389	permission
4	natural
5	history
2200	museum
17813	max
21854	schultze
1363	result
8165	explosive
74	life
293	animals
434	deal
836	nitrogenous
3991	waste
825	products
7752	ashes
5821	fire
3274	got
1222	rid
22379	effectively
22439	kidney
27752	filters
39466	clog
4412	system
680	deposited
1011	crystals
3244	happens
447	plants
1102	sluggish
293	animals
65	sea
74426	squirts
22121	kidneys
3216	exceptions
2182	prove
426	rule
2709	hardly
867	said
1780	statements
413	made
6812	regard
28229	contrasts
447	plants
293	animals
915	general
1780	statements
1205	good
434	deal
621	plant
67	animal
3795	sedentary
44632	sponges
65669	zoophytes
40095	corals
65	sea
74426	squirts
67	animal
621	plant
486	see
1574	movements
21208	shoots
948	roots
586	leaves
1744	occasionally
748	parts
939	flower
714	fact
74423	forking
35154	genealogical
492	tree
46257	divergence
447	plants
293	animals
7681	depended
5261	depends
1027	higher
74	life
67	animal
3725	kingdom
2842	speak
5134	mankind
23277	continuance
58249	civilisation
21335	upkeep
2019	human
67	animal
1801	population
17083	globe
1003	supply
811	oxygen
821	air
1069	breathe
5107	depend
4298	silent
27894	laboratories
880	green
586	leaves
1172	able
1220	help
8316	sunlight
7	use
921	carbonic
922	acid
635	water
784	salts
1007	build
631	bread
74	life
32139	sec
419	beginnings
274	land
447	plants
2089	highly
855	probable
5050	ages
2635	waters
740	covered
64	earth
1888	primeval
3633	vegetation
7682	consisted
515	simple
74420	flagellates
3463	universal
65	sea
7992	contraction
64	earth
3533	crust
2657	brought
8544	elevations
8194	depressions
65	sea
1491	floor
1184	places
764	solid
9793	substratum
2657	brought
935	surface
5278	allow
11459	floating
447	plants
1149	begin
7489	settle
3360	getting
3104	light
200	professor
7224	church
2004	pictures
526	beginning
604	fixed
3633	vegetation
32654	momentous
1556	step
7048	evolution
3633	vegetation
293	animals
24668	successes
1491	floor
65	sea
4305	shallow
22441	areas
1516	raised
1027	higher
1027	higher
526	beginning
715	dry
274	land
3795	sedentary
447	plants
5841	spoken
3200	ancestors
2787	shore
65710	seaweeds
3896	doubt
1824	go
2749	lowest
5473	tide
15912	wade
1956	cautiously
8476	jungle
3633	vegetation
4079	exposed
1484	occasions
3360	getting
8141	glimpse
4347	ancient
259	days
2580	forest
1888	primeval
67854	protozoa
293	animals
1456	level
65669	zoophytes
44632	sponges
661	called
67854	protozoa
2472	word
7010	obviously
553	means
293	animals
548	say
6980	simplest
13	give
8362	hint
582	simplicity
493	original
293	animals
1434	vast
3596	majority
67854	protozoa
967	day
1000	complicated
1672	thought
2730	primitive
1188	microscopic
67	animal
4774	complete
998	fundamental
4111	bodily
8691	attributes
1617	manifested
994	differ
293	animals
1027	higher
2069	degree
500	built
22935	unit
22441	areas
35098	corpuscles
661	called
3551	cells
3551	cells
5393	tissues
1589	organs
1264	ordinary
13866	acceptation
523	words
1725	show
790	great
7049	complexity
3013	internal
679	structure
1620	exceeding
1264	ordinary
3551	cells
1007	build
5393	tissues
1027	higher
293	animals
4774	complete
1096	creatures
3410	gone
739	body
1422	making
4718	dim
1595	distant
607	time
293	animals
439	nature
67854	protozoa
1215	safe
548	say
790	great
3175	steps
7048	evolution
6874	establishment
790	great
2727	types
67854	protozoa
735	active
74427	infusorians
14785	slipper
56353	animalcule
1864	night
3104	light
74428	noctiluca
1961	makes
9175	seas
8004	phosphorescent
1864	night
6563	deadly
74429	trypanosome
6065	causes
5663	sleeping
10327	sickness
1025	others
1102	sluggish
1885	parasitic
74430	sporozoa
22355	malaria
22183	organism
7894	mosquito
17397	introduces
303	man
739	body
1025	others
735	active
5933	passive
67361	rhizopods
4022	flowing
4003	processes
428	matter
74422	amoeboid
3915	line
7048	evolution
1660	successful
595	represented
67361	rhizopods
74421	amoebae
7689	chalk
763	forming
67853	foraminifera
2918	exquisitely
541	beautiful
720	flint
4015	shelled
74431	radiolarians
65	sea
35229	counterparts
74422	amoeboid
3551	cells
46208	multicellular
293	animals
60420	phagocytes
3595	migrate
739	body
74432	engulfing
55715	digesting
4778	intruding
17464	bacteria
1873	serving
37216	sappers
35111	miners
1673	broken
500	built
3916	performing
5124	useful
11284	offices
32139	sec
1422	making
739	body
790	great
192	naturalist
11935	louis
517	agassiz
867	said
14653	biggest
6984	gulf
21627	organic
439	nature
46031	unicellular
46208	multicellular
293	animals
67854	protozoa
74433	metazoa
6984	gulf
41789	bridged
44632	sponges
6234	stinging
293	animals
515	simple
351	worms
5919	evolved
4359	showed
607	time
739	body
13	give
1172	able
1089	account
1422	making
739	body
790	great
3175	steps
7048	evolution
965	knows
3379	problem
464	altogether
7734	obscure
1264	ordinary
74434	protozoon
61461	celled
67	animal
21174	divides
20180	multiplying
6333	daughter
14408	units
659	thus
981	formed
1047	float
1812	apart
1653	live
1558	independent
1002	lives
67854	protozoa
6333	daughter
14408	units
942	separated
656	remain
38556	coherent
659	thus
74227	volvox
541	beautiful
880	green
2402	ball
670	found
23413	canals
6605	colony
496	thousand
1827	ten
496	thousand
3551	cells
981	formed
739	body
6605	colony
1422	making
74434	protozoon
1025	others
24280	component
3551	cells
958	kind
46208	multicellular
293	animals
2013	kinds
3551	cells
2301	showing
5319	division
10555	labour
67854	protozoa
22467	nucleus
21495	kernel
21174	divides
60470	nuclei
3407	cell
417	seen
11449	giant
74219	amoeba
74435	pelomyxa
670	found
5578	duck
2793	ponds
541	beautiful
74436	opalina
1002	lives
1532	hind
839	part
1029	frog
966	food
5613	canal
2508	portion
428	matter
67854	protozoa
5268	gather
60470	nuclei
526	beginning
739	body
2491	nearer
526	beginning
739	body
5319	division
10555	labour
36	set
10030	setting
1812	apart
683	egg
3551	cells
38915	sperm
3551	cells
2115	distinct
739	body
3551	cells
3333	possibly
293	animals
447	plants
739	body
5919	evolved
2438	points
4180	noticed
739	body
1422	making
484	essentially
428	matter
885	size
413	made
885	size
739	body
61461	celled
5653	wheel
56353	animalcule
74437	rotifer
8841	bigger
74434	protozoon
74437	rotifer
4104	thinking
74438	hydatina
1926	nine
408	hundred
3193	odd
3551	cells
74434	protozoon
2162	forms
74227	volvox
5040	secondly
13271	luminous
714	fact
61461	celled
67	animal
7444	sponge
303	man
49320	multiplies
1264	ordinary
1030	begins
526	beginning
2168	single
3407	cell
52274	fertilised
683	egg
3407	cell
954	course
1264	ordinary
2168	single
3407	cell
988	develops
2912	earthworm
3925	butterfly
4771	eagle
303	man
3407	cell
3721	rich
1200	inheritance
50757	fruition
5050	ages
13224	somehow
828	condensed
429	interesting
1969	bear
2443	mind
833	elementary
714	fact
61461	celled
736	creature
7156	reproduced
1264	ordinary
15802	budding
19904	starts
52274	fertilised
683	egg
3407	cell
74439	coherence
6333	daughter
3551	cells
52274	fertilised
683	egg
3407	cell
21174	divides
50612	reminiscence
1888	primeval
74439	coherence
6333	daughter
14408	units
413	made
739	body
526	beginning
8601	sexual
19069	reproduction
47179	freshwater
54051	hydra
1832	growing
68089	duckweed
49320	multiplies
15802	budding
2162	forms
6333	daughter
3600	buds
32846	images
5066	check
2637	comes
22455	nutrition
6333	daughter
3600	buds
1824	go
2000	free
3159	big
65	sea
74220	anemone
6027	divide
748	parts
644	become
929	separate
293	animals
68084	asexual
19069	reproduction
553	means
16839	multiplication
878	takes
1216	place
10646	dividing
4825	portions
55212	liberating
683	egg
3551	cells
38915	sperm
3551	cells
293	animals
447	plants
68084	asexual
19069	reproduction
733	common
790	great
21727	disadvantages
4583	apt
22387	physiologically
16287	expensive
13207	beset
1276	difficulties
739	body
2201	shows
790	great
5319	division
10555	labour
25735	intimately
1165	bound
25249	unity
659	thus
1260	think
3942	bee
321	bird
20180	multiplying
5319	division
15802	budding
932	moreover
739	body
2955	parent
10194	suffered
1958	injury
21890	deterioration
1363	result
1165	bound
4812	handed
1246	generation
68084	asexual
19069	reproduction
693	method
288	illustration
74271	photos
10169	ward
621	plant
67	animal
67635	zoophyte
661	called
74224	obelia
2044	consisting
6605	colony
74221	polyps
6234	stinging
8482	tentacles
807	shown
1414	greatly
2304	enlarged
1879	lower
17163	photograph
288	illustration
7156	reproduced
389	permission
5548	quart
32034	journ
60361	mic
29630	sci
74225	trypanosoma
74226	gambiense
2089	highly
16334	magnified
1188	microscopic
67	animal
74429	trypanosome
6065	causes
5663	sleeping
10327	sickness
470	study
21525	organisms
1927	late
436	years
1601	acquired
2032	immense
795	importance
1089	account
22600	widespread
8447	dangerous
22365	maladies
13	give
949	rise
1002	lives
1103	blood
303	man
13404	infected
1685	bite
74440	tse
74440	tse
962	fly
1819	carries
6493	parasite
8217	host
288	illustration
74227	volvox
74227	volvox
670	found
23413	canals
293	animals
7520	suggest
526	beginning
739	body
6605	colony
496	thousand
1827	ten
496	thousand
3551	cells
3551	cells
958	kind
46208	multicellular
293	animals
3551	cells
2013	kinds
1024	functions
1264	ordinary
3551	cells
437	marked
11887	lashes
60527	flagella
6333	daughter
5433	colonies
2955	parent
6605	colony
981	formed
955	development
992	germ
3551	cells
807	shown
288	illustration
74228	proterospongia
6980	simplest
46208	multicellular
293	animals
22881	illustrating
526	beginning
739	body
10030	setting
1812	apart
683	egg
3551	cells
38915	sperm
3551	cells
2115	distinct
739	body
3551	cells
51444	collared
7603	lashed
3551	cells
7917	margin
958	kind
3577	farther
659	thus
37835	indubitable
46208	multicellular
293	animals
5319	division
10555	labour
4164	begun
15961	splitting
748	parts
359	old
3608	fashioned
20180	multiplying
790	great
3175	steps
7048	evolution
6689	discovery
693	method
7117	namely
8601	sexual
19069	reproduction
47718	gist
911	simply
648	process
739	body
467	building
955	development
52274	fertilised
683	egg
3407	cell
14408	units
992	germ
3551	cells
1141	share
763	forming
1264	ordinary
5393	tissues
1589	organs
656	remain
1812	apart
4719	continuing
498	full
1200	inheritance
828	condensed
52274	fertilised
683	egg
3407	cell
3551	cells
984	kept
24624	originators
2984	future
61494	reproductive
3551	cells
3331	mature
67	animal
13	give
949	rise
683	egg
3551	cells
38915	sperm
3551	cells
3057	advantages
693	method
790	great
1246	generation
4507	started
35102	expensively
7909	easier
992	germ
3551	cells
12837	cradle
635	water
929	separate
1328	half
739	body
39	start
790	great
1002	lives
1158	vital
795	importance
3075	struggle
844	existence
8088	keen
2820	parental
1237	care
1579	impossible
992	germ
3551	cells
4340	likely
74441	prejudicially
5522	affected
34887	disadvantageous
11770	dints
6464	impressed
739	body
2955	parent
4340	likely
11770	dints
7348	peculiarly
1397	penetrating
13362	consequences
2331	case
14254	poisons
1012	further
3092	advantage
6840	implied
7639	formation
2013	kinds
992	germ
3551	cells
46023	ovum
683	egg
3407	cell
3267	considerable
2719	amount
467	building
424	material
32505	legacy
2890	nutritive
759	yolk
74442	spermatozoon
38915	sperm
3407	cell
4233	adapted
504	move
7995	fluids
540	find
46023	ovum
1405	distance
659	thus
6875	securing
889	change
16995	provoking
6474	cross
67285	fertilisation
32139	sec
7048	evolution
2553	sex
790	great
3175	steps
21627	organic
7048	evolution
21320	differentiation
7045	physiological
2727	types
1183	male
38915	sperm
17168	producer
1688	female
683	egg
17168	producer
1193	seems
1860	deep
1648	seated
2178	difference
1948	constitution
1013	leads
683	egg
1207	develop
1183	male
3315	lying
340	nest
1688	female
2331	case
4324	pigeons
1193	seems
558	work
200	professor
25397	oscar
8435	riddle
2013	kinds
683	egg
1183	male
5922	producing
683	egg
1688	female
5922	producing
683	egg
994	differ
759	yolk
763	forming
7045	physiological
7165	characters
65	sea
53182	urchins
540	find
1096	creatures
55438	superficially
8563	indistinguishable
1688	female
67550	ovaries
1183	male
3209	equally
61921	testes
7045	physiological
2178	difference
1959	affect
739	body
61494	reproductive
1589	organs
74443	gonads
11519	intimate
1022	physiology
2632	doubtless
4123	discover
2147	differences
1103	blood
806	chemical
6863	routine
18822	metabolism
2554	number
2643	cases
437	marked
7670	superficial
2147	differences
4342	sexes
2456	familiar
28229	contrasts
58787	peacock
74444	peahen
33699	stag
1532	hind
2643	cases
7045	physiological
2178	difference
38915	sperm
17168	producer
46023	ovum
17168	producer
852	essential
2178	difference
74445	saturates
739	body
19566	expresses
3074	masculine
10120	feminine
4560	structures
20270	modes
26937	behaviour
2744	expression
3074	masculine
10120	feminine
7165	characters
2643	cases
10178	control
74317	hormones
806	chemical
10864	messengers
3238	carried
1103	blood
61494	reproductive
1589	organs
739	body
4057	pull
16545	trigger
520	brings
955	development
66826	antler
43761	wattle
3077	decorative
5780	plume
10107	capacity
22158	vocal
74446	saltatory
1566	display
2643	cases
1688	female
1819	carries
13385	latent
1032	state
3074	masculine
2501	features
984	kept
12752	expressing
806	chemical
10864	messengers
21162	ovary
806	chemical
10864	messengers
867	said
2405	recent
9377	research
807	shown
2178	difference
1183	male
1688	female
1860	deep
9664	rooted
7029	corresponding
2178	difference
55861	gearing
431	clear
1224	cut
659	thus
751	hen
2869	pigeon
3074	masculine
3207	cock
2869	pigeon
10120	feminine
2178	difference
2069	degree
958	kind
32139	sec
3778	meaning
3463	universal
3463	universal
74447	inevitableness
2058	death
74448	sequoia
3159	big
492	tree
219	california
664	known
1653	live
496	thousand
436	years
685	eventually
1691	died
52592	centenarian
4006	tortoise
664	known
65	sea
74220	anemone
2471	sixty
436	years
1829	age
685	eventually
872	die
3778	meaning
2022	apparently
12831	inevitable
12697	stoppage
4111	bodily
74	life
526	beginning
4	natural
2058	death
86	chief
2013	kinds
2058	death
790	great
3596	majority
293	animals
1070	come
4889	violent
612	end
975	devoured
1025	others
2031	killed
2079	sudden
1176	extreme
952	changes
4666	surroundings
67	animal
4244	enters
2466	habitat
2637	comes
12764	associations
21525	organisms
5252	invaded
74449	microbe
712	larger
6493	parasite
10486	unaccustomed
2160	offer
1715	resistance
3110	parasites
1653	live
1506	let
1653	live
13680	compromise
7319	arrived
3110	parasites
4583	apt
2413	fatal
303	man
965	knows
9	cost
6412	bitten
74440	tse
74440	tse
962	fly
52388	infects
1188	microscopic
67	animal
74429	trypanosome
6065	causes
5663	sleeping
10327	sickness
293	animals
3110	parasites
1836	troublesome
8217	host
6448	vigorous
8217	host
725	condition
3110	parasites
919	get
1040	upper
418	hand
661	called
3833	grouse
5306	disease
644	become
2413	fatal
4889	violent
2058	death
74450	microbic
1885	parasitic
2058	death
4	natural
2058	death
790	great
839	part
5703	regarded
5560	price
4656	paid
739	body
739	body
4727	worth
5343	implies
7049	complexity
5319	division
10555	labour
5343	implies
3013	internal
18716	furnishings
6880	stable
958	kind
17321	effects
7880	wear
5692	tear
4583	apt
7414	accumulate
428	matter
531	grows
359	old
1675	framework
918	works
18716	furnishings
1158	vital
17367	laboratory
6	various
4003	processes
74451	rejuvenescence
1994	rest
5037	repair
889	change
74452	reorganisation
558	work
12831	inevitable
4003	processes
74453	senescence
1383	sooner
13742	victory
41360	ageing
1860	deep
1765	reason
4	natural
2058	death
670	found
7045	physiological
74454	expensiveness
19069	reproduction
293	animals
351	worms
17043	eels
8788	illustrate
4	natural
2058	death
74455	nemesis
1980	starting
1002	lives
1889	striking
714	fact
2069	degree
6980	simplest
293	animals
67854	protozoa
7959	exempt
4	natural
2058	death
2815	relatively
515	simple
4865	continually
35597	recuperate
1994	rest
5037	repair
7414	accumulate
2066	bad
24421	debts
932	moreover
20270	modes
20180	multiplying
10646	dividing
14408	units
24528	inexpensive
22387	physiologically
1193	seems
4979	measure
4111	bodily
38975	immortality
67854	protozoa
9564	shared
515	simple
61461	celled
293	animals
47179	freshwater
54051	hydra
74456	planarian
351	worms
429	interesting
2851	chapter
7048	evolution
7048	evolution
553	means
46335	evading
74457	staving
4	natural
2058	death
659	thus
664	known
2331	case
74458	paloloworm
44283	coral
9330	reefs
1565	where
739	body
3585	breaks
55212	liberating
992	germ
3551	cells
747	head
612	end
525	remains
604	fixed
3714	crevice
44283	coral
3600	buds
739	body
6587	leisure
7048	evolution
446	ways
11927	avoiding
2058	death
2092	considered
1642	gradual
6874	establishment
1758	length
74	life
10092	suited
5119	welfare
1330	species
16158	punctuation
74	life
5	history
1117	suit
6	various
539	conditions
288	illustration
35411	photo
10169	ward
880	green
54051	hydra
47179	freshwater
54049	polyp
1328	half
2138	inch
1348	crown
8482	tentacles
749	mouth
417	seen
1638	giving
46214	bud
431	clear
288	illustration
68084	asexual
19069	reproduction
74459	tentacle
13374	touches
22183	organism
2330	latter
39192	paralysed
1893	drawn
749	mouth
288	illustration
35411	photo
10169	ward
2912	earthworm
74460	earthworms
4489	began
12100	profitable
479	habit
2524	moving
612	end
739	body
4925	front
351	worms
303	man
790	great
3596	majority
293	animals
45872	bilateral
4797	symmetry
288	illustration
7664	diagram
22881	illustrating
526	beginning
2143	individual
74	life
1807	immature
38915	sperm
3407	cell
74461	chromosomes
60422	nuclear
718	bodies
595	represented
4197	rods
3331	mature
38915	sperm
3407	cell
74461	chromosomes
1807	immature
683	egg
3407	cell
74461	chromosomes
595	represented
1991	curved
718	bodies
3331	mature
683	egg
3407	cell
74461	chromosomes
74442	spermatozoon
67325	fertilises
46023	ovum
19024	introducing
74461	chromosomes
52274	fertilised
46023	ovum
74461	chromosomes
19415	paternal
2474	origin
1229	maternal
2474	origin
74461	chromosomes
3275	lie
5628	equator
7730	split
23258	longitudinally
74462	centrosome
6389	introduced
74442	spermatozoon
5038	divided
74463	centrosomes
4949	pole
22467	nucleus
5809	play
839	part
5319	division
46020	segmentation
683	egg
52274	fertilised
683	egg
5038	divided
3551	cells
3407	cell
19415	paternal
1229	maternal
74461	chromosomes
288	illustration
7156	reproduced
17145	smithsonian
2498	report
3152	glass
2940	model
65	sea
74220	anemone
21225	tubular
65	sea
74220	anemone
627	fine
1348	crown
8482	tentacles
749	mouth
8414	suggestion
939	flower
799	obvious
553	means
6234	stinging
74464	lassoes
8482	tentacles
673	minute
293	animals
1171	feeds
39192	paralysed
2335	captured
966	food
288	illustration
1929	drawing
2201	shows
7048	evolution
6088	brain
355	fish
303	man
65718	cerebrum
1914	seat
2085	intelligence
17329	increases
537	proportion
748	parts
1572	mammals
762	becomes
45869	convoluted
6088	brain
468	lies
5575	plane
295	fishes
762	becomes
945	gradually
1991	curved
294	birds
1991	curved
1929	drawing
2201	shows
32139	sec
790	great
32656	acquisitions
293	animals
65	sea
74275	anemones
74465	jellyfishes
915	general
4797	symmetry
739	body
45877	radial
548	say
739	body
67790	halved
6035	planes
958	kind
4797	symmetry
10092	suited
3795	sedentary
15569	drifting
74	life
351	worms
4489	began
12100	profitable
479	habit
2524	moving
612	end
739	body
4925	front
351	worms
303	man
790	great
3596	majority
293	animals
45872	bilateral
4797	symmetry
1503	side
1224	cut
5848	halves
739	body
958	kind
4797	symmetry
10092	suited
19787	strenuous
74	life
45877	radial
293	animals
1725	show
10092	suited
4429	pursuing
966	food
11927	avoiding
2029	enemies
4082	chasing
2951	mates
6874	establishment
45872	bilateral
4797	symmetry
856	associated
6874	establishment
747	head
6465	brains
526	beginning
670	found
515	simple
963	worm
2727	types
790	great
32656	acquisitions
945	gradually
5919	evolved
1733	notice
946	developed
747	head
2096	sense
1589	organs
6874	establishment
3013	internal
7223	surfaces
12781	digestive
74466	absorptive
3788	wall
966	food
5613	canal
2474	origin
2593	quickly
24481	contracting
7865	striped
2184	muscle
5790	muscular
3732	appendages
7639	formation
1103	blood
8688	distributing
3646	medium
739	body
748	parts
953	take
20965	contribute
8503	acquisition
5200	confined
664	known
74467	backboned
293	animals
7048	evolution
661	called
7171	glands
3013	internal
3574	secretion
64352	thyroid
44397	supra
22514	renal
969	manufacture
6304	subtle
806	chemical
691	substances
47	distributed
1103	blood
739	body
3158	manifold
5076	influence
9544	regulating
74468	harmonising
1158	vital
4003	processes
806	chemical
10864	messengers
661	called
74317	hormones
14414	stimulate
1589	organs
5393	tissues
731	greater
1545	activity
1025	others
661	called
74469	chalones
640	put
48949	brake
23726	regulate
298	growth
1025	others
3170	rapidly
13789	alter
6070	pressure
846	composition
1103	blood
1113	call
735	active
955	development
748	parts
739	body
5896	waiting
2974	appropriate
16545	trigger
2060	pulling
659	thus
514	proper
607	time
2835	milk
7171	glands
2857	mammalian
1199	mother
1097	awakened
74470	dormancy
429	interesting
6087	outcome
7048	evolution
12840	dealt
2508	portion
558	work
2547	inclined
5575	plane
67	animal
26937	behaviour
32139	sec
450	passing
3553	connected
246	story
1642	gradual
13527	emergence
1027	higher
1027	higher
2162	forms
74	life
954	course
3697	successive
5050	ages
9663	procession
74	life
661	called
5124	useful
5191	consider
7048	evolution
67	animal
26937	behaviour
7048	evolution
2443	mind
2019	human
1030	begins
1188	microscopic
52274	fertilised
683	egg
3407	cell
828	condensed
1363	result
607	time
303	man
1200	inheritance
2772	period
1926	nine
2704	months
1813	birth
11519	intimate
21028	partnership
1199	mother
1814	offspring
2076	passed
1098	sleep
473	make
6985	statement
6812	regard
2443	mind
12801	unborn
505	child
1813	birth
3545	dawn
2443	mind
1818	slow
327	wonderful
1149	begin
46023	ovum
17631	embryo
3558	nervous
4412	system
988	develops
945	gradually
515	simple
419	beginnings
22218	mentality
1070	come
1125	seem
1165	bound
4410	conclude
68009	potentiality
553	means
1940	resides
2143	individual
2917	particular
958	kind
1545	activity
664	known
4104	thinking
6369	feeling
6913	willing
11519	intimate
839	part
1364	experience
664	known
1812	apart
7498	senses
9485	possibility
58639	implicit
992	germ
3407	cell
6053	genius
24958	newton
58639	implicit
10458	miserable
2091	specimen
2733	infant
2143	individual
3093	race
1642	gradual
7048	evolution
2534	aspect
736	creature
1545	activity
1113	call
2443	mind
640	put
7195	finger
223	point
548	say
2798	stage
2443	mind
815	indeed
1651	facts
7520	suggest
6630	conclusion
3168	wherever
74	life
2069	degree
2443	mind
447	plants
6277	accurate
640	put
6630	conclusion
1545	activity
1113	call
74	life
2069	degree
1997	inner
6194	mental
2534	aspect
288	illustration
74229	okapi
43977	giraffe
74229	okapi
790	great
74471	zooelogical
4672	discoveries
695	gives
1205	good
1581	idea
43977	giraffe
3200	ancestors
74229	okapi
1191	unknown
2396	discovered
322	sir
24719	harry
24735	johnston
5634	central
1270	africa
1565	where
305	strange
293	animals
1360	lived
1267	dense
1268	forests
607	time
10057	immemorial
839	part
3	book
1089	account
3545	dawn
2443	mind
74467	backboned
293	animals
1659	aim
5981	outline
661	called
2547	inclined
5575	plane
67	animal
26937	behaviour
515	simple
67	animal
5272	accumulates
6006	store
44568	potential
7939	energy
4235	proceeds
9453	expend
8165	explosive
5135	acting
22214	environment
906	characteristic
3422	self
21958	preservative
711	fashion
17209	burns
7300	consumed
66207	explodes
8021	blown
4683	bits
906	characteristic
22183	organism
525	remains
2892	going
4420	concern
2543	longer
1350	shorter
2772	period
1758	length
74	life
1096	creatures
2721	expended
7939	energy
74472	ineffectively
3422	self
74473	destructively
22382	eliminated
3075	struggle
844	existence
515	simple
61461	celled
22183	organism
74474	explores
7134	corner
164	field
417	seen
676	microscope
39739	behaving
1615	appearance
2093	dog
6624	scouring
164	field
417	seen
16812	telescope
1193	seems
22605	permissible
1260	think
7029	corresponding
6194	mental
11384	endeavour
856	associated
1545	activity
7774	impression
6500	strengthened
74219	amoeba
26113	pursues
74219	amoeba
74475	overtakes
53075	engulfs
3339	loses
26113	pursues
20439	recaptures
26937	behaviour
56353	animalcule
21485	potassium
12266	pill
74476	fizzing
8132	basin
635	water
41999	lurching
1574	movements
2599	gun
3274	got
1654	loose
976	taken
2944	charge
114	board
10395	ship
2518	feature
60870	locomotor
1545	activity
56353	animalcule
2201	shows
2115	distinct
6229	individuality
1110	swim
3282	instance
1654	loose
21418	spiral
1503	side
1158	vital
1545	activity
5135	acting
4147	surrounding
535	world
736	creature
5751	acted
20093	influences
22183	organism
2684	acts
22214	environment
1503	side
585	shield
22214	environment
2684	acts
22183	organism
1503	side
486	see
74	life
11210	recognise
584	sides
1113	call
10798	missing
839	part
5	history
67	animal
74	life
2605	fail
486	see
7048	evolution
5343	implies
3504	becoming
20100	advantageously
3529	sensitive
22214	environment
1422	making
20093	influences
11992	shutting
33750	profitless
61073	stimuli
3576	opening
23464	gateways
532	knowledge
321	bird
535	world
712	larger
19732	finer
535	world
2912	earthworm
535	world
553	means
321	bird
963	worm
10970	trial
18323	error
693	method
515	simple
1096	creatures
1178	act
2069	degree
50902	spontaneity
22214	environment
21806	react
22379	effectively
4147	surrounding
61073	stimuli
293	animals
1070	come
893	definite
2875	answers
2331	case
14785	slipper
56353	animalcule
13377	reverses
68055	cilia
2637	comes
6576	sphere
5067	disturbing
5076	influence
3836	retreats
5070	turning
74477	tentatively
773	sets
915	general
2073	direction
6022	angle
5254	previous
3915	line
39789	misses
5067	disturbing
5076	influence
1205	good
12805	strikes
4781	tactics
652	repeated
4433	satisfactory
2396	discovered
18758	stimulation
2610	proves
2413	fatal
867	said
14785	slipper
56353	animalcule
579	answer
577	question
67854	protozoa
74478	enregistered
21604	reactions
25942	alternative
21604	reactions
2081	tried
67	animal
4429	pursuing
661	called
10970	trial
18323	error
693	method
1027	higher
382	note
6185	struck
11384	endeavour
1127	satisfaction
10970	trial
2875	answers
736	creature
9432	profits
1364	experience
1341	extent
1638	giving
579	answer
526	beginning
7891	learning
288	illustration
7664	diagram
515	simple
38518	reflex
33819	arc
74230	backboneless
67	animal
2912	earthworm
3554	sensory
3555	nerve
3407	cell
935	surface
2065	receives
22173	stimulus
22173	stimulus
266	travels
74479	sensatory
3555	nerve
3556	fibre
3554	sensory
3555	nerve
3556	fibre
1543	branches
3555	nerve
3865	cord
1543	branches
1070	come
1211	contact
68277	sy
74480	associative
21012	communicating
3555	nerve
3407	cell
1543	branches
74480	associative
3407	cell
1070	come
1211	contact
68277	sy
1543	branches
74481	dendrites
7004	motor
3555	nerve
3407	cell
1599	impulse
5566	command
266	travels
7004	motor
3555	nerve
3556	fibre
16951	axis
10352	cylinder
7004	motor
3555	nerve
3407	cell
7004	motor
3555	nerve
3556	fibre
610	ends
2184	muscle
3556	fibre
935	surface
1964	moves
38518	reflex
469	action
4774	complete
288	illustration
35411	photo
5732	british
2200	museum
4	natural
5	history
74231	yucca
3642	moth
74231	yucca
3642	moth
4013	emerging
3509	cocoon
738	flies
1864	night
74231	yucca
939	flower
4977	collects
5829	pollen
5851	stamens
1072	holding
2402	ball
749	mouth
748	parts
2054	visits
939	flower
752	lays
683	egg
732	seed
4005	box
8612	applies
5829	pollen
5623	tip
17974	pistil
659	thus
6875	securing
67285	fertilisation
939	flower
298	growth
21393	ovules
23712	pod
74231	yucca
588	flowers
7473	britain
887	produce
620	seeds
74231	yucca
3918	moths
288	illustration
2547	inclined
5575	plane
67	animal
26937	behaviour
7664	diagram
22881	illustrating
67	animal
26937	behaviour
3217	main
3915	line
7194	represents
915	general
74	life
736	creature
1040	upper
1503	side
6235	activities
27962	implying
35460	initiative
1879	lower
1503	side
511	actions
6994	automatic
1040	upper
1503	side
1594	energetic
511	actions
249	ii
515	simple
74482	tentatives
252	iii
10970	trial
18323	error
5678	methods
254	iv
8682	non
4039	intelligent
5700	experiments
74483	experiential
7891	learning
257	vi
74480	associative
7891	learning
258	vii
4039	intelligent
26937	behaviour
260	viii
6960	rational
9740	conduct
303	man
1879	lower
1503	side
21604	reactions
22214	environment
74478	enregistered
21604	reactions
515	simple
38518	reflex
511	actions
832	compound
38518	reflex
511	actions
74484	tropisms
74478	enregistered
28177	rhythms
515	simple
3187	instincts
8270	chain
3187	instincts
6191	instinctive
6235	activities
18073	influenced
2085	intelligence
74485	subconscious
38366	cerebration
1456	level
303	man
288	illustration
35411	photo
10169	ward
53338	venus
962	fly
8667	trap
841	remarkable
447	plants
535	world
6383	captures
332	prey
553	means
8667	trap
981	formed
839	part
334	leaf
3046	induced
4211	snap
1067	hold
49694	bristle
1083	insect
12329	lighting
334	leaf
13374	touches
3529	sensitive
2512	hairs
4057	pull
16545	trigger
448	movement
5848	halves
334	leaf
3170	rapidly
74486	fringing
1225	teeth
7917	margin
67427	interlock
3102	preventing
1083	insect
1157	escape
5322	follows
5914	exudation
12781	digestive
6890	juice
288	illustration
7156	reproduced
389	permission
63	wonders
1174	instinct
6222	fabre
4717	spider
74232	sunning
753	eggs
958	kind
4717	spider
661	called
74487	lycosa
3315	lying
747	head
6519	downwards
3235	edge
340	nest
1072	holding
3671	silken
3509	cocoon
639	bag
2273	containing
753	eggs
1921	sun
65713	hindmost
2762	pair
743	legs
6094	extraordinary
4183	proceeding
7717	believed
1459	assist
3129	hatching
38518	reflex
511	actions
515	simple
46208	multicellular
293	animals
65	sea
74275	anemones
540	find
419	beginnings
38518	reflex
511	actions
3267	considerable
839	part
26937	behaviour
1879	lower
293	animals
38518	reflex
548	say
1185	laid
67	animal
954	course
955	development
1539	pre
3452	arrangements
3555	nerve
3551	cells
2184	muscle
3551	cells
3401	secure
1878	fit
514	proper
579	answer
1510	given
1365	frequently
28176	recurrent
22173	stimulus
2912	earthworm
1328	half
3525	burrow
762	becomes
2224	aware
3104	light
9683	tread
4613	thrush
1482	foot
6526	jerks
3325	hole
548	say
38518	reflex
469	action
3244	happens
3554	sensory
3555	nerve
3551	cells
2912	earthworm
2298	skin
22131	stimulated
41998	vibrations
64	earth
9864	message
266	travels
3554	sensory
3555	nerve
3556	fibre
22131	stimulated
3551	cells
4244	enters
3555	nerve
3865	cord
3554	sensory
28006	fibres
1070	come
1158	vital
2446	connection
1543	branches
36031	intermediary
74480	associative
21012	communicating
3551	cells
3553	connected
7004	motor
3555	nerve
3551	cells
9864	message
659	thus
74488	shunted
7004	motor
3555	nerve
3551	cells
1599	impulse
5566	command
266	travels
7004	motor
3555	nerve
28006	fibres
3407	cell
2132	muscles
2527	contract
1754	took
650	happen
878	takes
2994	describe
5981	outline
7	use
2912	earthworm
7004	motor
579	answer
5322	follows
3554	sensory
22173	stimulus
1605	instantaneously
790	great
3092	advantage
5126	establishing
74489	enregistering
38518	reflex
5878	chains
2875	answers
2766	practically
970	ready
413	made
20345	inborn
1551	requiring
6961	learned
485	necessary
6088	brain
22131	stimulated
6088	brain
67	animal
1178	act
2643	cases
553	means
1027	higher
21695	controlling
3555	nerve
7007	centres
823	keep
4	natural
38518	reflex
10460	response
1510	given
3244	happens
3282	instance
10178	control
10447	cough
16550	sneeze
9886	solemn
1366	occasion
46256	evolutionary
693	method
7	use
2744	expression
74490	enregister
970	ready
413	made
40709	responses
1374	ascend
67	animal
3725	kingdom
540	find
38518	reflex
511	actions
3504	becoming
1000	complicated
9410	linked
2645	occurrence
27319	pulls
16545	trigger
8270	chain
26937	behaviour
3705	insectivorous
621	plant
661	called
53338	venus
962	fly
8667	trap
11988	shuts
1083	insect
38518	reflex
469	action
67	animal
447	plants
893	definite
3558	nervous
4412	system
661	called
74484	tropisms
1026	somewhat
1027	higher
1456	level
2547	inclined
5575	plane
103	illustrated
661	called
74484	tropisms
24870	obligatory
1574	movements
67	animal
1961	makes
12492	adjusting
739	body
7045	physiological
1519	equilibrium
5065	results
313	relation
5760	gravity
6070	pressure
5556	currents
3366	moisture
3441	heat
3104	light
17489	electricity
7223	surfaces
1211	contact
3642	moth
1571	flying
9956	candle
1315	eye
3104	light
51858	illumined
7045	physiological
74491	inequilibrium
5065	results
4646	affecting
3555	nerve
3551	cells
2184	muscle
3551	cells
6087	outcome
3642	moth
3405	automatically
54185	adjusts
1644	flight
1740	eyes
644	become
3209	equally
51858	illumined
738	flies
9956	candle
1125	seem
2066	bad
7453	business
3642	moth
962	fly
9956	candle
8039	flame
10231	utterly
4942	artificial
22777	item
22214	environment
8353	expect
4233	adapted
74484	tropisms
5809	play
21200	role
67	animal
26937	behaviour
32139	sec
6191	instinctive
26937	behaviour
1027	higher
1456	level
6191	instinctive
26937	behaviour
3527	reaches
841	remarkable
6148	perfection
336	ants
5346	bees
330	wasps
3724	typical
2744	expression
6191	instinctive
26937	behaviour
5261	depends
20345	inborn
24443	capacities
1641	require
6961	learned
1558	independent
3082	practice
1364	experience
7729	improved
9564	shared
3209	equally
2376	members
1330	species
2553	sex
1688	female
3187	instincts
1183	male
19804	refers
2917	particular
539	conditions
74	life
1158	vital
795	importance
1798	occur
9831	lifetime
1688	female
74231	yucca
3642	moth
3645	emerges
3509	cocoon
74231	yucca
939	flower
5954	puts
1144	forth
6138	bell
2012	blossoms
738	flies
939	flower
4977	collects
5829	pollen
5851	stamens
5943	kneads
12266	pill
2402	ball
74492	stows
2511	chin
738	flies
8388	older
74231	yucca
939	flower
752	lays
753	eggs
21393	ovules
732	seed
4005	box
2189	deposit
49180	stigma
2402	ball
5829	pollen
5829	pollen
5842	tubes
881	grow
5829	pollen
22467	nucleus
3220	tube
67325	fertilises
683	egg
3407	cell
21394	ovule
620	seeds
644	become
620	seeds
21786	fraction
74231	yucca
3642	moth
2797	destroyed
1527	using
1234	cradles
753	eggs
4597	plain
74231	yucca
3642	moth
2143	individual
1364	experience
74231	yucca
588	flowers
28719	secures
23277	continuance
3093	race
37857	concatenation
511	actions
838	form
839	part
6191	instinctive
55032	repertory
7045	physiological
223	point
4991	view
6191	instinctive
26937	behaviour
8270	chain
832	compound
38518	reflex
511	actions
2643	cases
1765	reason
5363	believe
26937	behaviour
38562	suffused
74493	awareness
10856	backed
11384	endeavour
1263	suggested
6003	exceptional
2643	cases
1565	where
24616	stereotyped
6863	routine
11239	departed
2188	meet
6003	exceptional
539	conditions
4294	noted
336	ants
5866	hive
5346	bees
330	wasps
2393	exhibit
2643	cases
6064	purely
6191	instinctive
26937	behaviour
504	move
1366	occasion
3217	main
3915	line
10970	trial
18323	error
19309	experimental
35460	initiative
294	birds
1572	mammals
4039	intelligent
26937	behaviour
2930	replaced
6191	instinctive
6863	routine
6191	instinctive
26937	behaviour
19615	spice
2085	intelligence
4039	intelligent
26937	behaviour
6191	instinctive
452	element
359	old
4991	view
6191	instinctive
26937	behaviour
6818	originally
4039	intelligent
1174	instinct
10579	lapsed
2085	intelligence
16501	tempting
1263	suggested
2450	habitual
4039	intelligent
511	actions
5420	cease
2143	individual
1641	require
4039	intelligent
10178	control
1953	rests
74494	unproved
26614	hypothesis
32656	acquisitions
2143	individual
38822	entailed
3093	race
1174	instinct
3915	line
7048	evolution
2085	intelligence
2491	nearer
20345	inborn
74495	inspirations
41628	calculating
3684	boy
1122	musical
6053	genius
9780	plodding
5678	methods
4039	intelligent
7891	learning
67	animal
2085	intelligence
1027	higher
3527	reaches
2547	inclined
5575	plane
26937	behaviour
1725	show
2085	intelligence
9481	strict
2096	sense
6991	include
2013	kinds
26937	behaviour
2395	described
8414	suggestion
67	animal
1961	makes
802	sort
74496	perceptual
14030	inference
33053	profiting
1364	experience
7891	learning
6675	ideas
4039	intelligent
511	actions
1725	show
790	great
2143	individual
2122	variability
41336	plastic
21547	adjustable
1296	manner
1373	rarely
12904	hinted
2446	connection
3187	instincts
1565	where
6863	routine
11239	departed
736	creature
74497	nonplussed
1165	bound
2917	particular
2364	circumstances
6191	instinctive
511	actions
2726	imply
12232	appreciative
74493	awareness
501	relations
23143	experimenting
915	general
6675	ideas
74498	conceptual
8706	contrasted
74496	perceptual
14030	inference
2842	speak
1765	reason
1238	evidence
1456	level
303	man
815	indeed
9561	credit
303	man
6960	rational
9740	conduct
9485	possibility
4599	reach
67	animal
1174	instinct
2085	intelligence
103	illustrated
839	part
558	work
6076	concerned
911	simply
915	general
577	question
7048	evolution
26937	behaviour
3217	main
3915	line
22018	tentative
19309	experimental
26937	behaviour
1456	level
2085	intelligence
839	part
4781	tactics
7048	evolution
2739	bring
33003	hereditary
74499	enregistration
24443	capacities
5845	effective
10460	response
3057	advantages
2875	answers
1070	come
3170	rapidly
736	creature
2000	free
5972	chooses
1027	higher
3243	adventures
3896	doubt
3159	big
714	fact
954	course
7048	evolution
293	animals
807	shown
2767	increasing
7049	complexity
74500	masterfulness
26937	behaviour
644	become
14911	controlled
20875	definitely
2000	free
20432	agents
1997	inner
2534	aspect
26937	behaviour
23143	experimenting
7891	learning
4104	thinking
6369	feeling
6913	willing
1070	come
5401	count
32139	sec
7048	evolution
2820	parental
1237	care
1572	mammals
3604	furnish
13583	crowning
3282	instance
17933	trend
7048	evolution
19566	expresses
22732	levels
2424	tendency
2739	bring
1144	forth
21	young
2738	advanced
2798	stage
2764	increase
2820	parental
1237	care
856	associated
21472	decrease
2554	number
1814	offspring
5732	british
74248	starfish
661	called
74501	luidia
408	hundred
2771	millions
753	eggs
2658	year
867	said
2771	millions
753	eggs
17026	conger
17043	eels
295	fishes
8788	illustrate
2773	spawning
693	method
11426	solving
3379	problem
33005	survival
293	animals
1683	naturally
1153	prolific
2554	number
753	eggs
12078	sow
5132	broadcast
2635	waters
24517	allows
2584	enormous
49020	infantile
2734	mortality
28664	obviates
4072	necessity
2820	parental
1237	care
1096	creatures
439	nature
1153	prolific
670	found
781	entirely
15876	solution
3379	problem
9001	practise
2820	parental
1237	care
3401	secure
33005	survival
1414	greatly
74502	economised
19069	reproduction
17933	trend
7048	evolution
1944	particularly
906	characteristic
1027	higher
293	animals
8789	herbert
13974	spencer
33437	formulated
61396	generalisation
885	size
27963	frequency
67	animal
1161	family
28032	inverse
41837	ratio
2069	degree
7048	evolution
67	animal
1603	attained
5678	methods
2820	parental
1237	care
3401	secure
2030	safety
21	young
661	called
74503	viviparity
21	young
938	ones
22458	liberated
2955	parent
2815	relatively
2738	advanced
1172	able
1851	look
695	gives
21	young
1205	good
9550	send
74	life
1084	chances
2058	death
1414	greatly
2839	reduced
523	words
293	animals
2137	varied
2073	direction
74502	economised
19069	reproduction
823	keep
24640	foothold
3075	struggle
844	existence
2137	varied
607	time
2073	direction
2820	parental
1237	care
2643	cases
4103	worked
429	interesting
44021	archaic
67	animal
661	called
74234	peripatus
401	face
6050	modern
535	world
3612	severe
5678	methods
6036	meeting
13267	environing
1276	difficulties
12929	retention
1814	offspring
2704	months
1199	mother
1140	born
2536	fully
981	formed
736	creature
1814	offspring
607	time
6003	exceptional
2643	cases
3593	summer
880	green
738	flies
1153	prolific
65557	viviparous
915	general
426	rule
74503	viviparity
856	associated
1161	family
2331	case
17619	flowering
447	plants
1310	stands
8788	illustrate
958	kind
74503	viviparity
732	seed
46033	embryos
2143	individual
621	plant
2554	number
588	flowers
834	therefore
2549	huge
1161	family
74503	viviparity
1683	naturally
506	finds
292	illustrations
3300	terrestrial
293	animals
1565	where
1278	risks
21	young
74	life
506	finds
13980	climax
1572	mammals
429	interesting
714	fact
2749	lowest
1572	mammals
74244	duckmole
6485	spiny
339	ant
4084	eaters
1090	lay
753	eggs
74504	oviparous
67353	marsupials
3499	grade
2739	bring
1144	forth
21	young
3157	prematurely
2643	cases
41601	stow
2146	external
3236	pouch
1025	others
74505	placentals
1725	show
2583	prolonged
11681	ante
23045	natal
74	life
11519	intimate
21028	partnership
1199	mother
12801	unborn
21	young
32139	sec
3035	looking
9638	sublime
648	process
7048	evolution
6840	implied
2558	mastery
4014	haunts
74	life
3430	progressive
16866	conquest
22214	environment
2089	highly
855	probable
21525	organisms
670	found
24640	foothold
1287	stimulating
539	conditions
2787	shore
65	sea
4305	shallow
635	water
7911	brightly
51858	illumined
38504	seaweed
1832	growing
4060	shelf
74486	fringing
15296	continents
35931	littoral
3513	zone
26079	propitious
22214	environment
1565	where
65	sea
568	fresh
635	water
64	earth
821	air
2188	meet
1565	where
1287	stimulating
889	change
1100	abundant
60670	oxygenation
26092	copious
1003	supply
2890	nutritive
424	material
3186	streams
2739	bring
3721	rich
38504	seaweed
3633	vegetation
288	illustration
74233	hoatzin
2623	inhabits
5732	british
3391	guiana
10727	newly
991	hatched
321	bird
4078	claws
2001	thumb
7195	finger
3358	enabled
1468	climb
1543	branches
1377	trees
790	great
1652	dexterity
607	time
742	wings
2341	strong
4054	sustain
1644	flight
288	illustration
17163	photograph
5732	british
2200	museum
4	natural
5	history
1929	drawing
390	mr
342	wilson
74234	peripatus
2585	widely
47	distributed
359	old
3608	fashioned
2713	type
67	animal
1026	somewhat
2361	permanent
3617	caterpillar
43973	affinities
351	worms
1699	insects
3624	velvety
2298	skin
673	minute
8071	diamond
1740	eyes
3781	stump
743	legs
8436	defenceless
74506	weaponless
67	animal
2637	comes
1864	night
867	said
5197	capture
1699	insects
74507	squirting
27773	jets
8116	slime
749	mouth
288	illustration
35411	photo
74235	berridge
3146	rock
3237	kangaroo
2565	carrying
21	young
3236	pouch
21	young
1140	born
4287	helpless
5838	suck
1199	mother
1184	places
2146	external
3236	pouch
3818	fitting
3536	mouths
64472	teats
74508	injects
2835	milk
607	time
21	young
938	ones
1824	go
8863	please
914	easy
1378	haunt
74	life
458	worse
51436	tenanted
967	day
3946	representatives
2766	practically
3195	class
293	animals
74427	infusorians
1796	seashore
294	birds
1572	mammals
12837	cradle
65	sea
65	sea
44165	pelagic
1378	haunt
5043	includes
7911	brightly
51858	illumined
935	surface
2635	waters
4305	shallow
635	water
2787	shore
2433	area
13779	easiest
4014	haunts
74	life
2794	crowding
3267	considerable
10563	uniformity
5064	abundance
966	food
293	animals
6582	afforded
33869	inexhaustible
11459	floating
65	sea
5226	meadows
1188	microscopic
46264	algae
74509	reincarnated
673	minute
293	animals
65	sea
3728	crustaceans
60663	utilised
295	fishes
1697	turn
1422	making
74	life
1027	higher
2162	forms
2343	carnivorous
4001	turtles
24362	toothed
7176	whales
65	sea
493	original
12837	cradle
74	life
200	professor
7224	church
9091	picturing
2772	period
44165	pelagic
74	life
5758	sufficiently
4305	shallow
635	water
5278	allow
11459	floating
447	plants
5609	anchor
9755	favour
4991	view
2787	shore
293	animals
64351	crabs
74510	starfishes
308	spend
10763	youthful
3429	stages
2815	relatively
1215	safe
12837	cradle
65	sea
578	return
19787	strenuous
539	conditions
8354	birthplace
4874	gained
3267	considerable
1431	strength
739	body
1215	safe
548	say
9662	honour
493	original
12837	cradle
74	life
468	lies
2787	shore
65	sea
65	sea
790	great
50854	deeps
79	third
1378	haunt
74	life
1491	floor
1860	deep
65	sea
74511	abyssal
2433	area
8659	occupies
1328	half
935	surface
17083	globe
2293	region
1176	extreme
634	cold
9898	eternal
309	winter
3458	utter
3562	darkness
9898	eternal
1864	night
4434	relieved
12112	fitful
3026	gleams
8004	phosphorescent
293	animals
2584	enormous
6070	pressure
22994	tons
3735	square
2138	inch
2503	depth
53489	fathoms
7379	profound
7922	calm
7686	unbroken
1418	silence
2032	immense
24617	monotony
447	plants
790	great
52968	abysses
293	animals
1653	live
1476	run
2106	rain
61605	moribund
67979	animalcules
1051	sink
935	surface
1421	miles
635	water
1193	seems
11325	unpromising
1378	haunt
74	life
2262	abundantly
51436	tenanted
695	gives
8141	glimpse
33180	insurgent
439	nature
736	creature
1276	difficulties
1860	deep
65	sea
22379	effectively
8267	conquered
855	probable
74512	colonising
790	great
52968	abysses
1754	took
1216	place
2815	relatively
2405	recent
884	times
43972	fauna
6991	include
27042	antique
2727	types
2766	practically
59046	colonisation
384	due
35931	littoral
293	animals
1189	followed
966	food
16450	debris
15144	millennium
15144	millennium
1012	further
1012	further
2155	slope
2787	shore
74513	freshwaters
5956	fourth
1378	haunt
74	life
74513	freshwaters
5384	including
2470	river
4272	lake
1036	pond
3952	pool
7929	swamp
9170	marsh
58488	colonised
1642	gradual
3963	migration
44683	estuaries
4042	rivers
1304	direct
1658	passage
1796	seashore
48693	brackish
7929	swamp
2643	cases
3489	partially
40409	landlocked
7230	corners
4347	ancient
9175	seas
4676	became
945	gradually
2295	turned
47179	freshwater
19748	basins
67	animal
1801	population
74513	freshwaters
4848	representative
56183	diversely
4233	adapted
2188	meet
906	characteristic
38825	contingencies
4549	risk
4053	dried
4549	risk
3694	frozen
309	winter
4549	risk
715	dry
16200	floods
5900	swept
65	sea
16866	conquest
715	dry
274	land
3300	terrestrial
1378	haunt
5252	invaded
1829	age
1829	age
34940	contingents
65	sea
74513	freshwaters
11210	recognise
963	worm
18213	invasion
441	led
685	eventually
1422	making
7902	fertile
605	soil
18213	invasion
384	due
821	air
1044	breathing
3726	arthropods
441	led
685	eventually
74514	linkage
588	flowers
1083	insect
11452	visitors
18213	invasion
384	due
821	air
1044	breathing
2783	amphibians
441	led
685	eventually
1027	higher
3300	terrestrial
293	animals
955	development
2085	intelligence
1161	family
2394	affection
790	great
32429	invasions
7447	minor
938	ones
4633	leading
274	land
3565	snails
22600	widespread
12911	persistent
2424	tendency
3298	aquatic
293	animals
6596	try
1302	possess
715	dry
274	land
3360	getting
715	dry
274	land
3158	manifold
10410	significance
6840	implied
3360	getting
3646	medium
712	larger
1003	supply
811	oxygen
728	dissolved
635	water
811	oxygen
821	air
1242	difficult
5197	capture
1731	especially
2298	skin
762	becomes
4228	protected
1165	bound
644	become
293	animals
715	dry
626	ground
659	thus
1013	leads
955	development
3013	internal
7223	surfaces
1037	lungs
1565	where
811	oxygen
976	taken
739	body
4120	absorbed
1103	blood
293	animals
1103	blood
478	goes
935	surface
811	oxygen
5197	capture
1699	insects
5364	relatives
1581	idea
900	taking
821	air
1103	blood
731	greater
839	part
2433	area
811	oxygen
27794	combustion
5393	tissues
4412	system
4482	branching
821	air
5842	tubes
878	takes
821	air
3325	hole
7134	corner
1083	insect
739	body
6373	thorough
3139	aeration
2632	doubtless
839	part
4481	secret
1083	insect
3610	intense
1545	activity
1103	blood
762	becomes
817	impure
16866	conquest
715	dry
274	land
6840	implied
35070	predominance
958	kind
1590	locomotion
894	compared
74515	punting
739	body
5704	pushed
2414	pressing
35118	lever
9793	substratum
1189	followed
3216	exceptions
739	body
3300	terrestrial
67	animal
2817	tended
2991	compact
1443	readily
6356	lifted
626	ground
1533	limbs
4705	adjusted
935	surface
14451	trailing
626	ground
67	animal
74516	jellyfish
941	easily
1990	supported
635	water
1579	impossible
274	land
2745	apparent
3216	exceptions
74460	earthworms
44329	centipedes
347	snakes
1242	difficult
2177	explain
2912	earthworm
65965	burrower
3332	eats
605	soil
3739	centipede
739	body
1990	supported
2552	numerous
743	legs
362	snake
3356	pushes
553	means
46106	ventral
5110	scales
1879	lower
610	ends
2552	numerous
6390	ribs
615	attached
5678	methods
38510	mastering
1276	difficulties
3300	terrestrial
74	life
790	great
19551	restriction
10997	attendant
18213	invasion
715	dry
274	land
1590	locomotion
762	becomes
5045	limited
5575	plane
7117	namely
935	surface
64	earth
790	great
7738	contrast
635	water
1565	where
67	animal
504	move
6022	angle
6010	dimensions
6432	surely
5322	follows
1574	movements
274	land
293	animals
3790	rapid
4478	precise
815	indeed
2030	safety
5597	secured
2289	hence
914	easy
5860	understand
876	why
274	land
293	animals
19985	finely
946	developed
7865	striped
2132	muscles
876	why
3758	beetle
868	running
626	ground
2552	numerous
2132	muscles
17028	lobster
7098	swimming
65	sea
274	land
293	animals
18078	handicapped
1278	risks
21334	drought
3526	frost
1808	met
40433	defences
19760	diverse
3998	description
2512	hairs
3618	woolly
4459	caterpillars
7282	fur
1572	mammals
67409	carapace
68039	tortoises
38232	armour
64127	armadillos
2643	cases
2709	hardly
485	necessary
548	say
1276	difficulties
1808	met
446	ways
299	frogs
2188	meet
309	winter
2105	falling
12796	lethargic
1032	state
4266	secluded
3264	retreat
1817	consequence
3360	getting
715	dry
274	land
753	eggs
21	young
2543	longer
36	set
2000	free
7737	anyhow
67	animal
3540	surrounded
635	water
12837	cradle
753	eggs
1185	laid
21	young
22458	liberated
715	dry
626	ground
1084	chances
4053	dried
975	devoured
2552	numerous
446	ways
274	land
293	animals
3401	secure
2030	safety
21	young
3406	burying
626	ground
8535	hiding
311	nests
2565	carrying
2583	prolonged
2772	period
1813	birth
2725	mean
790	great
2030	safety
21	young
473	make
1161	family
5421	tend
7048	evolution
2820	parental
1237	care
6656	kindly
1118	emotions
659	thus
6343	understood
16866	conquest
274	land
1831	reaching
13362	consequences
1189	followed
288	illustration
35411	photo
74215	rischgitz
200	professor
83	thomas
94	henry
297	huxley
2971	distinguished
64348	zoologists
35669	unsurpassed
12361	gifts
9238	teacher
74517	expositor
790	great
5228	service
3090	gaining
1216	place
392	science
1264	ordinary
2729	education
391	popular
29422	estimation
34133	championed
74518	evolutionism
4860	courage
3005	skill
288	illustration
4565	baron
2090	cuvier
6799	founders
6050	modern
2506	comparative
7187	anatomy
303	man
2752	gigantic
6309	intellect
2576	came
9672	paris
561	youth
11551	provinces
4676	became
9536	director
1027	higher
2729	education
3304	france
5494	peer
16682	empire
12744	opposed
9223	evolutionist
6675	ideas
21327	anatomical
6053	genius
288	illustration
288	illustration
2301	showing
6	various
5678	methods
1571	flying
11787	swooping
5046	gull
4790	feather
3875	wing
74519	flier
4088	fox
407	bat
2298	skin
3875	wing
74519	flier
1571	flying
8925	squirrel
5814	parachute
2298	skin
1172	able
6571	swoop
492	tree
492	tree
962	fly
1571	flying
355	fish
7856	pectoral
2784	fins
74520	volplanes
790	great
1109	leap
384	due
3136	tail
1341	extent
1172	able
10035	sail
74521	albatros
711	fashion
4184	finally
4727	worth
2360	dwelling
1278	risks
3300	terrestrial
74	life
3127	enable
5860	understand
876	why
274	land
293	animals
644	become
64126	burrowers
1025	others
2308	climbers
1377	trees
876	why
2399	returned
635	water
1025	others
976	taken
821	air
8041	asked
876	why
274	land
58488	colonised
1278	risks
1276	difficulties
790	great
579	answer
4072	necessity
4724	curiosity
1199	mother
1194	father
10776	invention
293	animals
635	water
1092	pools
4053	dried
48024	overcrowded
14511	inveterate
2029	enemies
4724	curiosity
4360	spirit
261	adventure
3071	spurs
1528	progress
18697	conquering
821	air
790	great
1378	haunt
74	life
821	air
2558	mastery
750	placed
9561	credit
1699	insects
74522	pterodactyls
294	birds
345	bats
24668	successes
4294	noted
3024	brilliant
18220	failures
1603	attained
74523	parachuting
6991	include
1571	flying
295	fishes
953	take
1640	leaps
635	water
3238	carried
3314	yards
3267	considerable
9139	heights
1072	holding
2304	enlarged
7856	pectoral
2784	fins
49214	taut
972	slight
4826	fluttering
661	called
1571	flying
1029	frog
74524	rhacophorus
48902	skims
1596	branch
1596	branch
5845	effective
1571	flying
7925	dragon
54827	draco
63440	volans
4279	east
3518	mentioned
1572	mammals
1571	flying
7184	phalangers
1571	flying
7183	lemurs
21533	attaining
790	great
3005	skill
74525	parachutists
22881	illustrating
11384	endeavour
3398	master
821	air
303	man
10071	realised
1627	power
1644	flight
520	brings
799	obvious
3057	advantages
321	bird
964	feeding
626	ground
1172	able
25923	evade
6457	stalking
64748	carnivore
1099	suddenly
4689	rising
821	air
966	food
635	water
1189	followed
3170	rapidly
790	great
1619	distances
753	eggs
21	young
750	placed
1215	safe
3638	situations
294	birds
5202	migrations
413	made
3024	brilliant
16866	conquest
607	time
1057	space
420	know
309	winter
2658	year
3966	migratory
1644	flight
5646	pacific
5027	golden
52210	plover
17615	hawaii
25252	alaska
513	stand
9663	procession
74	life
5050	ages
32139	sec
3146	rock
5402	record
420	know
6	various
5039	classes
293	animals
447	plants
2237	established
64	earth
420	know
534	order
1615	appearance
1607	succession
4582	advances
579	answer
381	reading
3146	rock
5402	record
954	course
607	time
3533	crust
64	earth
2365	elevated
15296	continents
10365	depressed
3229	ocean
38435	troughs
935	surface
274	land
26926	buckled
4464	mountain
4473	ranges
3934	folded
26083	gentler
1372	hills
1388	valleys
1184	places
274	land
7807	weathered
821	air
635	water
2162	forms
5065	results
41340	weathering
2442	borne
4042	rivers
9175	seas
1185	laid
3468	elsewhere
3438	deposits
685	eventually
981	formed
43941	sandstones
74404	mudstones
706	similar
41339	sedimentary
487	rocks
424	material
493	original
3533	crust
659	thus
1673	broken
4103	worked
884	times
5891	total
4056	thickness
41339	sedimentary
487	rocks
901	added
21326	amounts
1123	according
43329	geologists
5891	total
1421	miles
2643	cases
839	part
4056	thickness
417	seen
1216	place
3438	deposits
981	formed
5045	limited
22441	areas
607	time
7	use
44957	fossils
44078	sediments
13452	accumulating
1829	age
1829	age
1683	naturally
2576	came
525	remains
447	plants
293	animals
607	time
3720	buried
981	formed
44957	fossils
3277	aid
2848	read
246	story
805	careful
74526	piecing
1238	evidence
8248	geologist
1172	able
4283	determine
534	order
41339	sedimentary
487	rocks
1185	laid
659	thus
548	say
3282	instance
6835	devonian
2772	period
607	time
2474	origin
2783	amphibians
2643	cases
8248	geologist
74527	utilises
44957	fossils
2033	attempt
558	work
534	order
6016	strata
22689	disarranged
2843	simpler
6834	fossil
2162	forms
2713	type
8388	older
6319	complex
5187	vicious
5805	circle
915	general
1607	succession
6016	strata
431	clear
295	fishes
2783	amphibians
2783	amphibians
2813	reptiles
2813	reptiles
294	birds
1572	mammals
2643	cases
6834	fossil
2741	horses
2568	elephants
5274	actual
158	historical
1607	succession
2751	clearly
4103	worked
3697	successive
6016	strata
697	contained
1205	good
10330	samples
447	plants
293	animals
607	time
3484	beds
981	formed
914	easy
2848	read
5402	record
487	rocks
293	animals
1896	soft
644	become
4433	satisfactory
44957	fossils
2385	eaten
728	dissolved
2797	destroyed
3441	heat
6070	pressure
3146	rock
5402	record
23	library
9465	damaged
5821	fire
34055	looting
16413	decay
32139	sec
6220	geological
607	time
5283	table
5	history
64	earth
6224	inhabitants
16648	conveniently
5038	divided
62672	eras
659	thus
2842	speak
4347	ancient
38073	mediaeval
6050	modern
5	history
5134	mankind
2842	speak
44077	palaeozoic
45614	mesozoic
74528	cenozoic
62672	eras
5	history
64	earth
43329	geologists
490	tell
22098	approximate
648	process
7048	evolution
976	taken
5678	methods
3119	estimate
6441	required
4302	accumulation
784	salts
65	sea
728	dissolved
487	rocks
2106	rain
4489	began
776	fall
64	earth
10646	dividing
5891	total
2719	amount
41020	saline
428	matter
15067	contributed
2658	year
6050	modern
884	times
919	get
408	hundred
2756	million
436	years
1829	age
65	sea
2243	rate
896	salt
4302	accumulation
731	greater
6220	geological
843	periods
1391	prodigious
1829	age
3518	mentioned
13571	likelihood
5684	mark
693	method
8977	calculate
953	take
838	form
41339	sedimentary
487	rocks
43941	sandstones
74404	mudstones
5891	total
4056	thickness
1834	fifty
1421	miles
2477	local
4056	thickness
1373	rarely
4634	mile
917	materials
1070	come
41340	weathering
64	earth
3533	crust
3607	annual
2719	amount
41340	weathering
2892	going
2088	estimated
607	time
6441	required
7639	formation
41339	sedimentary
487	rocks
535	world
22624	approximately
1432	calculated
446	ways
3150	trying
490	tell
64	earth
1829	age
1758	length
3697	successive
843	periods
5964	certainty
4620	reached
62672	eras
437	marked
5283	table
291	page
41335	cambrian
6144	correspond
2358	thirty
1421	miles
4056	thickness
6016	strata
2440	subsequent
62672	eras
6834	fossil
3297	bearing
487	rocks
4056	thickness
100	twenty
1421	miles
13072	astounding
714	fact
2358	thirty
2756	million
436	years
6071	allotted
1539	pre
41335	cambrian
62672	eras
1610	eighteen
44077	palaeozoic
1926	nine
45614	mesozoic
74528	cenozoic
1422	making
4499	grand
5891	total
2471	sixty
2771	millions
6874	establishment
9253	invertebrate
21025	stocks
13072	astounding
714	fact
1328	half
6220	geological
607	time
74529	archaeozoic
74530	proterozoic
62672	eras
2076	passed
1096	creatures
748	parts
5758	sufficiently
838	form
44957	fossils
2330	latter
839	part
74530	proterozoic
10774	era
6836	traces
61461	celled
5604	marine
293	animals
74431	radiolarians
488	shells
720	flint
351	worms
58079	wallowed
62920	primal
3567	mud
4597	plain
7052	regards
2730	primitive
1096	creatures
3146	rock
5402	record
3091	tells
288	illustration
74236	knipe
56352	nebula
303	man
293	animals
41335	cambrian
2772	period
44632	sponges
74516	jellyfish
74248	starfish
65	sea
489	lilies
635	water
35990	fleas
67825	trilobites
288	illustration
35411	photo
10169	ward
74237	trilobite
67825	trilobites
4347	ancient
1796	seashore
293	animals
1100	abundant
1040	upper
41335	cambrian
44079	carboniferous
62672	eras
1304	direct
8275	descendants
967	day
3731	jointed
3794	footed
293	animals
797	allied
3728	crustaceans
361	king
64351	crabs
1172	able
5053	roll
1424	ring
38232	armour
288	illustration
35411	photo
5732	british
2200	museum
4	natural
5	history
74238	gambian
3567	mud
355	fish
74239	protopterus
1069	breathe
811	oxygen
728	dissolved
635	water
1034	gills
1069	breathe
715	dry
821	air
553	means
1110	swim
1050	bladder
644	become
1042	lung
2169	double
74531	breather
2301	showing
7048	evolution
648	process
3980	seven
2704	months
2658	year
715	dry
2923	season
656	remain
6085	inert
3567	mud
3360	getting
821	air
3245	pipe
935	surface
635	water
1043	fills
1092	pools
7	use
1034	gills
3567	mud
311	nests
3567	mud
74532	encasements
1042	lung
355	fish
2657	brought
7473	britain
355	fish
22458	liberated
7479	lively
288	illustration
74240	archaeopteryx
88	william
28454	leche
30631	stockholm
1205	good
10681	restoration
2646	oldest
664	known
321	bird
74240	archaeopteryx
44282	jurassic
10774	era
885	size
4553	crow
1225	teeth
2061	jaws
4078	claws
2001	thumb
1706	fingers
1703	lizard
3136	tail
741	feathers
28492	proving
321	bird
288	illustration
3875	wing
321	bird
2301	showing
2496	arrangement
741	feathers
7213	longest
741	feathers
50835	primaries
24011	pr
2442	borne
1706	fingers
2389	palm
778	bones
74533	cmc
7213	longest
74534	secondaries
2442	borne
62015	ulna
7188	bone
7181	fore
1497	arm
929	separate
4141	tuft
2001	thumb
4024	th
11747	rarity
1304	direct
6836	traces
74	life
2646	oldest
487	rocks
1993	partly
384	due
714	fact
2730	primitive
293	animals
1053	delicate
1007	build
791	remembered
4347	ancient
487	rocks
12761	profoundly
4611	repeatedly
1086	changed
6070	pressure
3441	heat
6836	traces
875	exist
4608	liable
46754	obliteration
8041	asked
2309	suppose
2287	presence
1096	creatures
4815	absence
1176	extreme
11747	rarity
44957	fossils
223	point
790	great
39744	accumulations
16511	limestone
2342	indicate
844	existence
47177	calcareous
46264	algae
3438	deposits
862	iron
2342	indicate
1545	activity
862	iron
763	forming
17464	bacteria
4347	ancient
3484	beds
43947	graphite
7062	similarly
7520	suggest
880	green
447	plants
9180	flourished
4347	ancient
259	days
32139	sec
10774	era
4347	ancient
74	life
44077	palaeozoic
41335	cambrian
2772	period
607	time
6874	establishment
86	chief
21025	stocks
74230	backboneless
293	animals
44632	sponges
74465	jellyfishes
351	worms
65	sea
49287	cucumbers
4841	lamp
488	shells
67825	trilobites
3728	crustaceans
67831	molluscs
6954	eloquent
995	broad
714	fact
64155	peopling
9175	seas
20875	definitely
4164	begun
2358	thirty
2756	million
436	years
200	professor
24618	osborn
2438	points
41335	cambrian
2772	period
59046	colonisation
2787	shore
65	sea
65	sea
1860	deep
2635	waters
74535	ordovician
2772	period
437	marked
1100	abundant
20856	representation
1660	successful
3195	class
67825	trilobites
3731	jointed
3794	footed
67497	antenna
3297	bearing
74536	segmented
5604	marine
293	animals
2552	numerous
3732	appendages
1936	covering
74537	chitin
1691	died
781	entirely
612	end
44077	palaeozoic
10774	era
8301	notable
5064	abundance
6320	predatory
74538	cuttlefishes
38269	bullies
4347	ancient
9175	seas
2772	period
74467	backboned
293	animals
413	made
1615	appearance
8131	epoch
1422	making
1556	step
7048	evolution
523	words
295	fishes
5919	evolved
3603	destined
954	course
5050	ages
2737	replace
74538	cuttlefishes
2116	mere
67831	molluscs
32731	dominating
9175	seas
2405	recent
884	times
2019	human
58249	civilisation
44284	pleistocene
8260	glacial
607	time
790	great
3897	ice
1829	age
74528	cenozoic
10774	era
66136	miocene
8130	pliocene
884	times
13527	emergence
303	man
9192	eocene
74539	oligocene
884	times
949	rise
1027	higher
1572	mammals
9176	cretaceous
2772	period
949	rise
2730	primitive
1572	mammals
17619	flowering
447	plants
1027	higher
1699	insects
45614	mesozoic
10774	era
44282	jurassic
2772	period
949	rise
294	birds
1571	flying
2813	reptiles
67822	triassic
2772	period
949	rise
74540	dinosaur
2813	reptiles
74541	permian
2772	period
949	rise
2813	reptiles
44079	carboniferous
2772	period
949	rise
1699	insects
6835	devonian
2772	period
2783	amphibians
44077	palaeozoic
10774	era
67824	silurian
2772	period
274	land
293	animals
4489	began
74535	ordovician
2772	period
295	fishes
41335	cambrian
2772	period
64155	peopling
65	sea
74530	proterozoic
5050	ages
74230	backboneless
21025	stocks
4489	began
74529	archaeozoic
5050	ages
1096	creatures
4489	began
64	earth
1422	making
15296	continents
3229	ocean
19748	basins
419	beginnings
920	atmosphere
74403	hydrosphere
48703	formative
884	times
17494	cooling
64	earth
6874	establishment
52932	solar
4412	system
67824	silurian
2772	period
64155	peopling
9175	seas
4670	went
50264	apace
664	known
2033	attempt
74512	colonising
715	dry
274	land
67824	silurian
487	rocks
6834	fossil
44330	scorpions
5343	implies
6983	ability
1069	breathe
715	dry
821	air
553	means
3013	internal
7223	surfaces
2331	case
664	known
74542	lungbooks
612	end
67824	silurian
2772	period
790	great
50353	aridity
36	set
295	fishes
886	appeared
592	related
3567	mud
295	fishes
2169	double
68087	breathers
74543	dipnoi
1037	lungs
1034	gills
2074	meant
74544	utilising
715	dry
821	air
967	day
3567	mud
295	fishes
635	water
4629	disappears
1092	pools
3478	hot
3693	weather
1042	lung
295	fishes
3567	mud
295	fishes
967	day
2554	number
7387	queensland
2627	south
1254	america
1270	africa
2232	extremely
429	interesting
44957	fossils
23794	binding
3195	class
295	fishes
2783	amphibians
2089	highly
855	probable
18213	invasion
715	dry
274	land
640	put
9561	credit
9989	adventurous
351	worms
790	great
18213	invasion
1438	certainly
384	due
821	air
1044	breathing
3726	arthropods
17765	pioneer
8749	scorpion
3518	mentioned
288	illustration
27495	pictorial
20856	representation
3697	successive
6016	strata
64	earth
3533	crust
379	suggestions
906	characteristic
44957	fossils
355	fish
74237	trilobite
6835	devonian
3760	red
74545	amphibian
44079	carboniferous
4422	blue
2813	reptiles
74541	permian
3104	light
3760	red
66181	mammal
67822	triassic
4422	blue
321	bird
44282	jurassic
402	yellow
11449	giant
2813	reptiles
9176	cretaceous
411	white
5123	follow
8144	tertiary
6016	strata
3430	progressive
1572	mammals
67957	quaternary
1863	top
303	man
8297	mammoth
6835	devonian
2772	period
5384	including
359	old
3760	red
7781	sandstone
4496	significant
843	periods
64	earth
5	history
607	time
6874	establishment
17619	flowering
447	plants
64	earth
3300	terrestrial
74467	backboned
293	animals
16606	discoverer
6835	devonian
1482	foot
9361	print
74546	thinopus
664	known
74545	amphibian
1482	foot
9361	print
6954	eloquent
10335	vestige
79	third
790	great
18213	invasion
715	dry
274	land
3020	stock
6835	devonian
1042	lung
295	fishes
2783	amphibians
1678	sprang
2772	period
2576	came
6369	feeling
841	remarkable
43209	exuberance
17047	shark
5652	heavily
41744	armoured
295	fishes
6835	devonian
9175	seas
7048	evolution
274	land
293	animals
32139	sec
11449	giant
2783	amphibians
7651	coal
2052	measures
44079	carboniferous
2772	period
437	marked
3700	mild
10040	moist
4168	climate
22856	luxuriant
3633	vegetation
7676	swampy
1788	low
2367	grounds
19787	strenuous
607	time
6835	devonian
2772	period
3593	summer
1377	trees
2713	type
486	see
1268	forests
4354	club
46058	mosses
74547	horsetails
4474	grew
2752	gigantic
885	size
894	compared
13245	pigmy
3946	representatives
967	day
1268	forests
3731	jointed
3794	footed
6431	invaders
715	dry
274	land
4680	ran
36953	riot
838	form
44329	centipedes
337	spiders
44330	scorpions
1699	insects
1888	primeval
2783	amphibians
2818	fed
1615	appearance
1699	insects
413	made
74514	linkage
1831	reaching
795	importance
7117	namely
6474	cross
67285	fertilisation
17619	flowering
447	plants
1083	insect
11452	visitors
607	time
9156	onwards
867	said
588	flowers
11452	visitors
5919	evolved
418	hand
418	hand
6474	cross
67285	fertilisation
12338	surer
1699	insects
7640	wind
6474	cross
67285	fertilisation
6869	advantageous
3422	self
67285	fertilisation
22280	promotes
22934	fertility
41317	plasticity
2772	period
3288	coloured
588	flowers
432	attractive
1083	insect
11452	visitors
4489	began
2240	justify
3920	beauty
4676	became
5124	useful
4489	began
12348	relieve
3141	monotonous
880	green
74548	horsetail
4354	club
4122	moss
1268	forests
740	covered
790	great
16279	tracts
64	earth
2771	millions
436	years
44079	carboniferous
1268	forests
274	land
3565	snails
2005	representing
7447	minor
32429	invasions
715	dry
274	land
8393	tending
5066	check
3633	vegetation
8774	preyed
2783	amphibians
1603	attained
885	size
1829	age
6459	giants
44079	carboniferous
2783	amphibians
661	called
74549	labyrinthodonts
3159	big
9155	donkeys
2709	hardly
867	said
2772	period
7651	coal
2052	measures
1185	laid
2032	immense
4302	accumulation
21373	spores
16450	debris
4354	club
4122	moss
1268	forests
5050	ages
4367	afterwards
1510	given
303	man
21972	tap
790	great
3597	source
7939	energy
25835	traceable
8851	sunshine
2771	millions
436	years
621	plant
67	animal
1002	lives
14563	dies
32656	acquisitions
2783	amphibians
2783	amphibians
5027	golden
1829	age
44079	carboniferous
2772	period
52243	fitly
7	use
1478	opportunity
9404	indicating
4582	advances
7048	evolution
13527	emergence
2783	amphibians
6840	implied
1216	place
1658	passage
635	water
715	dry
274	land
526	beginning
1027	higher
74550	promiseful
74	life
12046	taxed
3896	doubt
5105	increased
1276	difficulties
4	natural
577	question
2640	rises
876	why
293	animals
8732	migrated
635	water
715	dry
274	land
790	great
1276	difficulties
12149	involved
6008	transition
2875	answers
2477	local
14365	drying
635	water
19748	basins
8544	elevations
274	land
935	surface
413	made
359	old
4014	haunts
34942	untenable
790	great
22417	congestion
17513	competition
359	old
2895	quarters
35632	undeniable
11384	endeavour
5	history
67	animal
74	life
5134	mankind
5202	migrations
15000	prompted
10030	setting
2583	prolonged
21334	drought
1801	population
4360	spirit
261	adventure
2783	amphibians
607	time
8682	non
74551	digitate
68004	paired
2784	fins
295	fishes
2930	replaced
1533	limbs
1706	fingers
1992	toes
6840	implied
6869	advantageous
1627	power
1649	grasping
1072	holding
1872	firm
4351	putting
966	food
749	mouth
6369	feeling
530	things
6010	dimensions
5328	positive
6812	regard
1896	soft
748	parts
4347	ancient
2783	amphibians
664	known
44957	fossils
915	general
299	frogs
1115	toads
67918	newts
4002	salamanders
967	day
548	say
413	made
32656	acquisitions
46106	ventral
1037	lungs
43337	chambered
2404	heart
9669	movable
1077	tongue
13159	drum
613	ear
13134	lids
1740	eyes
429	interesting
540	find
1077	tongue
1031	tadpole
2184	muscle
28006	fibres
2341	strong
5087	effect
448	movement
9884	recalling
1077	tongue
295	fishes
2132	muscles
945	gradually
1031	tadpole
762	becomes
1029	frog
2184	muscle
28006	fibres
881	grow
1431	strength
473	make
498	full
2810	grown
736	creature
4269	shoot
1077	tongue
1699	insects
48849	recapitulation
1358	accomplished
954	course
74552	millennia
5	history
74545	amphibian
3093	race
8503	acquisition
413	made
2783	amphibians
1392	voice
384	due
3790	rapid
1658	passage
821	air
49214	taut
3575	membranes
22158	vocal
12586	cords
4248	stretched
55998	larynx
429	interesting
714	fact
2771	millions
436	years
64	earth
1239	sound
74	life
3873	noise
7640	wind
8429	wave
8840	thunder
37341	avalanche
1812	apart
35741	instrumental
3870	music
1699	insects
526	beginning
44079	carboniferous
1158	vital
1399	sounds
384	due
2783	amphibians
1438	certainly
1392	voice
6432	surely
790	great
3175	steps
21627	organic
7048	evolution
288	illustration
35411	photo
5732	british
2200	museum
4	natural
5	history
6834	fossil
74241	pterodactyl
3469	extinct
1571	flying
7925	dragon
3875	wing
413	made
3796	web
2298	skin
2600	extended
19382	enormously
7797	elongated
1996	outermost
7195	finger
3136	tail
6266	served
5099	balancing
5605	steering
74522	pterodactyls
2137	varied
885	size
5423	sparrows
3875	wing
14190	span
1828	fifteen
1346	feet
1344	largest
1571	flying
1096	creatures
288	illustration
74236	knipe
56352	nebula
303	man
74242	pariasaurus
3469	extinct
64146	vegetarian
67822	triassic
3299	reptile
5891	total
1758	length
1346	feet
525	remains
670	found
2276	cape
6605	colony
2627	south
1270	africa
288	illustration
74236	knipe
56352	nebula
303	man
74243	triceratops
2549	huge
3469	extinct
3299	reptile
525	remains
670	found
9176	cretaceous
6016	strata
9174	wyoming
74540	dinosaur
885	size
9186	rhinoceros
2549	huge
37208	horned
2183	skull
841	remarkable
2190	bony
5803	collar
745	neck
2643	cases
6088	brain
2076	passed
22117	spinal
5613	canal
22117	spinal
3865	cord
468	lies
1993	partly
1298	accounts
20063	extinction
11449	giant
2813	reptiles
288	illustration
35411	photo
4542	daily
9444	mail
74244	duckmole
5578	duck
5820	billed
74245	platypus
3225	australia
74244	duckmole
5578	duck
5820	billed
74245	platypus
3225	australia
7432	survivor
2730	primitive
1572	mammals
74553	harks
2813	reptiles
683	egg
4927	layer
1062	comparatively
753	eggs
8495	imperfectly
3454	warm
1061	blooded
8025	swims
1171	feeds
635	water
293	animals
3525	burrow
7048	evolution
1392	voice
7	use
1392	voice
7735	indicated
299	frogs
1115	toads
2002	serves
2553	sex
1113	call
3778	meaning
74554	trumpeting
299	frogs
17069	herald
879	spring
1806	males
1392	voice
946	developed
1851	look
1507	forward
2783	amphibians
464	altogether
540	find
1392	voice
3504	becoming
1229	maternal
1113	call
5485	helping
3401	secure
2030	safety
21	young
7	use
799	obvious
21	young
294	birds
24447	squat
3569	motionless
1239	sound
2955	parent
1470	danger
382	note
1392	voice
4676	became
49020	infantile
1113	call
67299	unhatched
2053	crocodile
12471	pipes
3708	deeply
3720	buried
683	egg
14495	signalling
1199	mother
607	time
6305	unearthed
1027	higher
1392	voice
19566	expresses
7008	emotion
572	song
294	birds
1006	limits
3338	breeding
607	time
2917	particular
1399	sounds
644	become
523	words
41269	signifying
2917	particular
530	things
7233	feelings
966	food
1470	danger
4846	anger
4704	joy
4184	finally
523	words
644	become
3646	medium
4311	social
2451	intercourse
12636	symbols
1220	help
473	make
303	man
1765	reason
32139	sec
2813	reptiles
74541	permian
2772	period
2813	reptiles
886	appeared
548	say
4489	began
5157	assert
548	say
13527	emergence
74467	backboned
293	animals
2000	free
635	water
13459	relinquished
693	method
1044	breathing
1034	gills
2783	amphibians
8434	retained
21	young
3429	stages
67299	unhatched
12801	unborn
3299	reptile
1033	breathes
553	means
21405	vascular
7556	hood
2432	spread
683	egg
14780	absorbing
715	dry
821	air
429	interesting
223	point
21405	vascular
7556	hood
661	called
74555	allantois
595	represented
2783	amphibians
17086	unimportant
1050	bladder
1832	growing
1532	hind
612	end
966	food
5613	canal
790	great
1556	step
7048	evolution
6840	implied
2474	origin
11681	ante
23045	natal
7556	hood
68008	foetal
3588	membrane
366	protective
10410	significance
661	called
74556	amnion
2162	forms
635	water
639	bag
1053	delicate
17631	embryo
1556	step
2074	meant
5891	total
32521	emancipation
635	water
3296	gill
1044	breathing
68008	foetal
3575	membranes
74556	amnion
74555	allantois
7859	persist
2813	reptiles
294	birds
1572	mammals
1027	higher
2750	vertebrates
834	therefore
661	called
74557	amniota
7738	contrast
1879	lower
2750	vertebrates
74558	anamnia
2783	amphibians
295	fishes
2730	primitive
2727	types
6214	suggestive
714	fact
46033	embryos
2813	reptiles
294	birds
1572	mammals
1725	show
3296	gill
8140	clefts
490	tell
9569	tale
1238	evidence
1595	distant
3298	aquatic
43652	ancestry
46159	embryonic
3296	gill
8140	clefts
22416	respiration
1725	show
905	trace
1034	gills
46159	embryonic
2813	reptiles
294	birds
1565	where
21000	dwindled
32986	vestiges
4461	recently
2396	discovered
3296	gill
8140	clefts
7	use
1027	higher
2750	vertebrates
762	becomes
49690	eustachian
3220	tube
4633	leading
613	ear
1658	passage
749	mouth
1765	reason
876	why
7859	persist
7	use
5886	transformed
34371	guise
1242	difficult
33154	interpret
14	terms
7048	evolution
6055	theory
8788	illustrate
10209	lingering
5076	influence
67206	pedigree
418	hand
2424	tendency
2143	individual
955	development
28682	recapitulate
18827	racial
7048	evolution
828	condensed
74559	telescoped
1296	manner
954	course
1754	took
3093	race
2756	million
436	years
68017	recapitulated
2143	individual
4163	week
74541	permian
2772	period
3454	warm
10040	moist
4168	climate
44079	carboniferous
2772	period
2930	replaced
3612	severe
539	conditions
12008	culminating
3897	ice
1829	age
2432	spread
4097	southern
7272	hemisphere
535	world
856	associated
13543	waning
44079	carboniferous
18329	flora
1615	appearance
2044	consisting
571	ferns
43953	conifers
74560	ginkgos
74561	cycads
4540	persisted
612	end
45614	mesozoic
10774	era
74541	permian
3897	ice
1829	age
8187	lasted
2771	millions
436	years
3612	severe
2627	south
954	course
535	world
2278	north
7317	europe
3234	joined
2278	north
1254	america
1270	africa
2627	south
1254	america
3225	australia
1255	asia
74541	permian
3897	ice
1829	age
1699	insects
5038	divided
74	life
5	history
3217	main
8311	chapters
964	feeding
1832	growing
55519	moulting
1807	immature
3409	larval
3429	stages
4459	caterpillars
32776	ascetic
8682	non
1832	growing
8682	non
55519	moulting
3830	winged
15502	phase
4233	adapted
19069	reproduction
32689	intervened
3665	quiescent
4228	protected
3687	pupa
2798	stage
3635	chrysalis
4233	adapted
1149	begin
553	means
8721	surviving
3612	severe
309	winter
7909	easier
67	animal
2732	survive
1158	vital
4003	processes
44553	abeyance
8389	disappearance
4347	ancient
2727	types
2026	leave
2772	period
44077	palaeozoic
10774	era
2583	prolonged
3897	ice
1829	age
7261	noticing
2074	meant
3308	entire
6357	cessation
2554	number
4347	ancient
2727	types
1731	especially
447	plants
74230	backboneless
293	animals
1088	disappear
485	necessary
5860	understand
293	animals
4347	ancient
259	days
513	stand
501	relations
967	day
4347	ancient
2727	types
3946	representatives
1086	changed
1495	slightly
1086	changed
4841	lamp
74562	lingulella
41335	cambrian
74535	ordovician
2772	period
730	relative
67828	lingula
967	day
2232	extremely
20869	conservative
293	animals
4347	ancient
2727	types
3946	representatives
34371	guise
5886	transformed
8275	descendants
361	king
8572	crab
74563	limulus
867	said
5886	transformed
25979	descendant
3469	extinct
3093	race
74564	eurypterids
65	sea
44330	scorpions
9027	belonged
464	altogether
3469	extinct
2727	types
465	lost
2117	races
68671	wrack
20856	representation
967	day
2117	races
74565	graptolites
67825	trilobites
3035	looking
5587	backwards
2771	millions
436	years
21974	comprised
44077	palaeozoic
10774	era
74566	emphasise
17360	salient
2501	features
41335	cambrian
6874	establishment
86	chief
5039	classes
74230	backboneless
293	animals
74535	ordovician
295	fishes
3300	terrestrial
447	plants
67824	silurian
13527	emergence
821	air
1044	breathing
74567	invertebrates
3567	mud
295	fishes
6835	devonian
1615	appearance
2783	amphibians
1027	higher
274	land
293	animals
3199	descended
6874	establishment
274	land
18329	flora
44079	carboniferous
790	great
4354	club
4122	moss
1268	forests
43209	exuberance
821	air
1044	breathing
1699	insects
2252	allies
74541	permian
2813	reptiles
18329	flora
6220	geological
2221	middle
5050	ages
32139	sec
45614	mesozoic
10774	era
995	broad
45614	mesozoic
10774	era
3606	corresponds
5027	golden
1829	age
2813	reptiles
13980	climax
8418	conifer
74568	cycad
18329	flora
2237	established
74541	permian
43953	conifers
74561	cycads
6050	modern
17619	flowering
447	plants
526	beginning
1725	show
401	face
74477	tentatively
294	birds
1572	mammals
790	great
2813	reptiles
67822	triassic
2772	period
43209	exuberance
74201	reptilian
74	life
437	marked
74541	permian
649	continued
4001	turtles
7859	persist
74569	ichthyosaurs
74570	plesiosaurs
74571	dinosaurs
74572	pterosaurs
8187	lasted
45614	mesozoic
10774	era
790	great
795	importance
949	rise
74571	dinosaurs
67822	triassic
2089	highly
855	probable
1006	limits
6448	vigorous
41336	plastic
3020	stock
64243	bipeds
1851	look
3200	ancestors
294	birds
1572	mammals
274	land
635	water
14178	dominated
2813	reptiles
1603	attained
2752	gigantic
885	size
43035	zoologist
259	days
13734	sagacious
815	indeed
4199	suspected
2813	reptiles
3475	represent
13980	climax
6824	creation
1571	flying
7243	dragons
44282	jurassic
2772	period
4359	showed
23277	continuance
74201	reptilian
12659	splendour
6622	radiated
5367	directions
3504	becoming
4233	adapted
4014	haunts
659	thus
355	fish
2812	lizards
8952	paddling
9175	seas
2727	types
3300	terrestrial
7243	dragons
6457	stalking
274	land
7945	swiftly
5763	gliding
3433	alligator
2162	forms
1571	flying
7243	dragons
4489	began
67822	triassic
1603	attained
841	remarkable
3052	success
4463	variety
3875	wing
981	formed
6069	extension
790	great
3261	fold
2298	skin
19382	enormously
7797	elongated
1996	outermost
7195	finger
2137	varied
885	size
4100	sparrow
2432	spread
1346	feet
38971	soldering
2928	dorsal
65018	vertebrae
1571	flying
294	birds
6997	adaptation
1889	striking
821	air
2245	force
972	slight
15513	keel
2960	breast
7188	bone
2431	unlikely
962	fly
420	know
6050	modern
294	birds
1627	power
1644	flight
1341	extent
40914	gauged
2069	degree
955	development
15513	keel
911	simply
790	great
2167	ridge
45318	insertion
2132	muscles
1644	flight
7733	absent
954	course
868	running
294	birds
3488	ostrich
2384	degenerated
429	interesting
3572	burrowing
37902	parrot
74573	stringops
294	birds
3410	gone
664	known
321	bird
44282	jurassic
1944	particularly
11604	memorable
6016	strata
7784	yielded
627	fine
2656	specimens
664	known
321	bird
74240	archaeopteryx
62503	entombed
3438	deposits
981	formed
627	fine
28395	grained
27360	lithographic
1156	stones
32662	bavaria
2766	practically
7188	bone
739	body
6438	preserved
2960	breast
7188	bone
741	feathers
6206	marks
14299	distinctness
2646	oldest
664	known
321	bird
2738	advanced
321	bird
885	size
4553	crow
1541	arboreal
1240	habits
790	great
444	interest
74201	reptilian
2501	features
10894	pronounced
25923	evade
9223	evolutionist
8414	suggestion
1225	teeth
2061	jaws
6050	modern
321	bird
1703	lizard
3136	tail
6050	modern
321	bird
4078	claws
1706	fingers
802	sort
1328	half
413	made
3875	wing
548	say
1725	show
6050	modern
294	birds
1725	show
21610	fusion
1328	half
1498	wrist
778	bones
2389	palm
778	bones
664	known
74574	carpo
61554	metacarpus
7188	bone
2162	forms
482	basis
7213	longest
41943	pinions
2813	reptiles
3457	crocodiles
1567	peculiar
778	bones
868	running
3827	abdomen
2298	skin
661	called
60250	abdominal
6390	ribs
1193	seems
6954	eloquent
3239	detail
540	find
595	represented
74240	archaeopteryx
14175	earliest
664	known
321	bird
6050	modern
321	bird
2201	shows
905	trace
288	illustration
5697	skeleton
3469	extinct
74246	flightless
24362	toothed
321	bird
74247	hesperornis
9170	marsh
321	bird
1346	feet
7098	swimming
3488	ostrich
1439	powerful
1481	leg
10335	vestige
3875	wing
5295	sharp
1225	teeth
21256	groove
6050	modern
10961	divers
1070	come
4424	nearest
4347	ancient
2713	type
288	illustration
3429	stages
7048	evolution
2870	horse
2301	showing
1642	gradual
2764	increase
885	size
39474	lull
42854	matthew
9191	toed
2870	horse
9190	eohippus
1482	foot
1879	lower
9192	eocene
1254	america
9191	toed
2870	horse
9193	orohippus
1482	foot
2221	middle
9192	eocene
1254	america
9191	toed
2870	horse
9194	mesohippus
885	size
3885	sheep
2221	middle
74539	oligocene
1254	america
9191	toed
2870	horse
74575	merychippus
66136	miocene
1254	america
2145	toe
3527	reaches
626	ground
1482	foot
525	remains
1025	others
2500	prominent
9191	toed
2870	horse
74576	pliohippus
409	forty
1345	inches
7190	shoulder
8130	pliocene
1254	america
6050	modern
2870	horse
868	running
79	third
60237	digit
1482	foot
5541	warrant
1571	flying
2813	reptiles
74522	pterodactyls
1887	gave
949	rise
294	birds
2830	groups
4263	lines
679	structure
742	wings
781	entirely
659	thus
16105	fingered
74241	pterodactyl
3875	wing
5814	parachute
3875	wing
4481	secret
321	bird
3875	wing
1907	centre
741	feathers
2089	highly
855	probable
294	birds
5919	evolved
74571	dinosaurs
644	become
64243	bipeds
607	time
7221	swift
15021	runners
1754	took
1571	flying
1530	jumps
626	ground
6888	thereafter
2576	came
2772	period
1541	arboreal
25590	apprenticeship
5763	gliding
492	tree
492	tree
1644	flight
7619	achieved
429	interesting
714	fact
3379	problem
1644	flight
3378	solved
884	times
293	animals
1699	insects
74522	pterodactyls
294	birds
345	bats
3514	solutions
781	entirely
4263	lines
9176	cretaceous
2772	period
20961	outstanding
6631	events
16	included
13543	waning
11449	giant
2813	reptiles
74577	modernising
17619	flowering
447	plants
16839	multiplication
1572	mammals
74541	permian
2813	reptiles
2093	dog
24362	toothed
74578	cynodonts
23628	extraordinarily
66181	mammal
893	definite
1572	mammals
10304	emerged
67822	triassic
1062	comparatively
664	known
67822	triassic
1572	mammals
1225	teeth
437	marked
2552	numerous
8511	tubercles
1348	crown
3090	gaining
1431	strength
1927	late
67822	triassic
1541	arboreal
64741	insectivores
1595	distant
6050	modern
492	tree
3707	shrews
63620	tupaia
4489	began
1596	branch
5367	directions
21639	indicative
790	great
1015	divisions
6050	modern
1572	mammals
16238	clawed
1572	mammals
66178	hoofed
1572	mammals
3093	race
8661	monkeys
74579	primates
1040	upper
9176	cretaceous
47766	exuberant
56350	radiation
1572	mammals
7033	adaptive
16866	conquest
2933	sorts
4014	haunts
7276	vigorously
649	continued
8144	tertiary
884	times
2125	difficulty
714	fact
14175	earliest
525	remains
893	definite
1572	mammals
67822	triassic
4443	precede
664	known
321	bird
44282	jurassic
1570	rank
1572	mammals
1027	higher
294	birds
1572	mammals
446	ways
294	birds
1539	pre
6558	eminent
5697	skeleton
74580	musculature
74581	integumentary
4560	structures
22333	respiratory
4412	system
714	fact
294	birds
1572	mammals
49716	tacks
7048	evolution
592	related
733	common
43652	ancestry
3469	extinct
2813	reptiles
932	moreover
1765	reason
5363	believe
44282	jurassic
74240	archaeopteryx
321	bird
2096	sense
5402	record
2331	case
1215	safe
548	say
294	birds
2576	came
1572	mammals
3035	looking
5587	backwards
12222	sum
852	essential
45614	mesozoic
10774	era
200	professor
74582	schuchert
9401	sentence
45614	mesozoic
1829	age
2813	reptiles
1572	mammals
24362	toothed
294	birds
17717	storing
2085	intelligence
1431	strength
2737	replace
2813	reptiles
74561	cycads
43953	conifers
13	give
1027	higher
17619	flowering
447	plants
32139	sec
74528	cenozoic
8144	tertiary
10774	era
9192	eocene
2772	period
9447	replacement
37903	brained
44021	archaic
1572	mammals
3159	big
37903	brained
74583	modernised
2727	types
856	associated
1936	covering
64	earth
3023	garment
2416	grass
715	dry
4143	pasture
4647	marshes
2930	replaced
5226	meadows
50664	browsing
44409	grazing
1572	mammals
4894	spreading
5226	meadows
1478	opportunity
4399	offered
19055	richer
7048	evolution
1699	insects
294	birds
74539	oligocene
7256	elevation
274	land
649	continued
4168	climate
4676	became
10040	moist
44409	grazing
4370	herds
2600	extended
443	range
66136	miocene
2857	mammalian
5027	golden
1829	age
13583	crowning
2894	examples
24618	osborn
1139	calls
7033	adaptive
56350	radiation
548	say
1572	mammals
2813	reptiles
19432	conquer
1378	haunt
74	life
1571	flying
345	bats
74584	volplaning
74525	parachutists
2308	climbers
1377	trees
64124	sloths
4034	squirrels
2593	quickly
2524	moving
66178	hoofed
1572	mammals
64126	burrowers
3706	moles
47179	freshwater
1572	mammals
74244	duckmole
8209	beaver
2787	shore
19814	frequenting
17031	seals
7179	manatees
65	sea
48202	cetaceans
8939	dive
498	full
53489	fathoms
12333	realise
4690	perennial
2424	tendency
293	animals
19432	conquer
7134	corner
3055	fill
3408	niche
1478	opportunity
1733	notice
3697	successive
773	sets
293	animals
3343	succeeding
5050	ages
15272	notably
1572	mammals
6744	repeat
5700	experiments
2813	reptiles
1027	higher
1697	turn
21418	spiral
659	thus
2366	arises
661	called
67143	convergence
7670	superficial
7383	resemblance
2847	unrelated
2727	types
7176	whales
295	fishes
7383	resemblance
384	due
714	fact
2727	types
7062	similarly
4233	adapted
706	similar
539	conditions
74	life
200	professor
24618	osborn
2438	points
1572	mammals
1173	seek
1609	twelve
2466	habitat
4569	zones
2013	kinds
966	food
1096	creatures
7504	penetrate
5525	everywhere
13179	overflowing
2635	waters
790	great
2470	river
1133	flood
32139	sec
8130	pliocene
2772	period
19787	strenuous
607	time
4839	genial
18391	climatic
539	conditions
3610	intense
17513	competition
359	old
274	land
5880	bridges
1673	broken
938	ones
413	made
2426	geographical
2622	distribution
14350	underwent
790	great
952	changes
200	professor
39474	lull
1426	describes
8130	pliocene
2772	period
790	great
25918	unrest
5202	migrations
7767	occurred
535	world
56196	competitions
9935	arose
3808	weaker
21025	stocks
4489	began
1725	show
17321	effects
19787	strenuous
74	life
32654	momentous
4770	event
1193	seems
7767	occurred
8130	pliocene
7728	transformation
20349	precursor
3502	humanity
303	man
25836	culmination
2041	highest
3915	line
7048	evolution
44284	pleistocene
2772	period
607	time
15568	sifting
649	continued
7256	elevation
18896	continental
2795	masses
3897	ice
5050	ages
36	set
4434	relieved
3612	severe
74585	interglacial
884	times
3897	ice
10791	sheets
8221	retreated
38326	northwards
607	time
2727	types
8297	mammoth
3618	woolly
9186	rhinoceros
36475	sabre
24362	toothed
3641	tiger
7417	cave
8318	lion
7417	cave
1969	bear
4676	became
3469	extinct
1025	others
2647	formerly
1670	wide
443	range
4676	became
21563	restricted
2278	north
3905	isolated
1791	mountains
3937	snow
4746	mouse
1787	occurs
3905	isolated
33918	alpine
9139	heights
3937	snow
3915	line
2772	period
294	birds
3752	northern
7272	hemisphere
6961	learned
25923	evade
309	winter
9638	sublime
2845	device
3963	migration
3035	looking
5587	backwards
1578	quote
200	professor
74582	schuchert
56	lands
74528	cenozoic
4489	began
5489	bloom
17619	flowering
447	plants
4499	grand
49535	hardwood
1268	forests
920	atmosphere
5492	scented
5491	sweet
12716	odours
1434	vast
5868	crowd
2013	kinds
1699	insects
860	appear
1184	places
8729	dominant
2813	reptiles
56	lands
9175	seas
976	taken
1572	mammals
6352	struggles
2640	rises
731	greater
2085	intelligence
417	seen
813	nearly
66181	mammal
21025	stocks
1944	particularly
21252	monkey
1738	ape
303	man
9756	brute
303	man
851	appears
2673	scene
599	introduction
8260	glacial
4168	climate
3150	trying
607	time
530	things
7497	endowed
74	life
4184	finally
5065	results
38911	dominance
6216	reasoning
303	man
9756	brute
25717	associates
303	man
2019	human
2020	society
246	story
7048	evolution
13980	climax
6742	ascent
303	man
303	man
1310	stands
1812	apart
293	animals
1627	power
467	building
915	general
6675	ideas
1527	using
9653	guidance
26937	behaviour
10178	control
9740	conduct
484	essentially
7381	wrapped
955	development
34	language
3869	instrument
1672	thought
293	animals
523	words
303	man
34	language
74586	logos
293	animals
1725	show
1238	evidence
74496	perceptual
14030	inference
303	man
1925	gets
74498	conceptual
14030	inference
1765	reason
293	animals
1717	affectionate
69	brave
3422	self
12804	forgetful
6226	industrious
303	man
2119	thinks
20875	definitely
6724	guiding
9740	conduct
3104	light
25908	ideals
1697	turn
7381	wrapped
714	fact
4311	social
4350	person
3159	big
6088	brain
884	times
4309	heavy
400	gorilla
303	man
6	various
6151	physical
1197	peculiarities
1455	walks
1444	erect
447	plants
1554	sole
1482	foot
1789	flat
626	ground
2511	chin
1205	good
1349	heel
3159	big
10106	forehead
8682	non
74587	protrusive
401	face
2815	relatively
3977	uniform
36	set
1225	teeth
2922	conspicuous
1690	canines
2815	relatively
2515	naked
739	body
288	illustration
7664	diagram
2301	showing
3980	seven
3429	stages
7048	evolution
7181	fore
1533	limbs
1532	hind
1533	limbs
3200	ancestors
6050	modern
2870	horse
526	beginning
14175	earliest
664	known
5973	predecessors
2870	horse
12008	culminating
2870	horse
967	day
9170	marsh
39474	lull
7181	fore
2311	limb
1532	hind
2311	limb
9190	eohippus
9193	orohippus
9194	mesohippus
74588	hypohippus
74575	merychippus
67660	hipparion
6050	modern
2870	horse
382	note
1992	toes
16627	shorten
1088	disappear
288	illustration
7181	fore
2311	limb
21252	monkey
7181	fore
2311	limb
19603	whale
2074	meant
67393	homology
852	essential
2460	similarity
6122	architecture
11246	appearances
417	seen
5325	comparing
7181	fore
1533	limbs
21252	monkey
19603	whale
1725	show
778	bones
29419	sc
42645	scapula
7190	shoulder
7928	blade
7189	humerus
1040	upper
1497	arm
36938	radius
62015	ulna
7181	fore
1497	arm
8045	ca
1498	wrist
42055	mc
2389	palm
1706	fingers
1714	spite
303	man
35632	undeniable
74589	apartness
3896	doubt
35398	solidarity
1994	rest
6824	creation
15348	pervading
65510	similitude
679	structure
303	man
62294	anthropoid
304	apes
838	form
1754	took
2474	origin
21327	anatomical
12809	distinctions
4309	heavy
6088	brain
661	called
32654	momentous
303	man
739	body
5446	veritable
2200	museum
14420	relics
74590	vestigial
4560	structures
6959	inherited
1539	pre
2019	human
3200	ancestors
28642	everyday
4111	bodily
74	life
5095	disturbances
303	man
67206	pedigree
9943	revealed
56384	facial
2744	expression
319	darwin
4359	showed
2019	human
6834	fossil
525	remains
2739	bring
6050	modern
303	man
2491	nearer
62294	anthropoid
2713	type
1242	difficult
5314	admit
1424	ring
462	truth
7263	closing
523	words
319	darwin
5736	descent
303	man
14273	acknowledge
1193	seems
303	man
9718	noble
5331	qualities
7061	sympathy
7869	feels
38978	debased
14049	benevolence
2629	extends
276	men
32499	humblest
736	creature
5096	god
6309	intellect
4136	penetrated
1574	movements
1948	constitution
52932	solar
4412	system
11499	exalted
508	powers
303	man
3272	bears
4111	bodily
475	frame
33435	indelible
19780	stamp
2854	lowly
2474	origin
24732	evolving
4412	system
439	nature
1503	side
7048	evolution
799	obvious
2819	overlooked
2424	tendency
12571	link
1002	lives
1158	vital
21805	inter
501	relations
659	thus
588	flowers
1083	insect
11452	visitors
22207	vitally
74591	interlinked
4187	mutual
6916	dependence
294	birds
2821	feed
5438	berries
9363	distribute
620	seeds
1147	tiny
47179	freshwater
8746	snail
8217	host
15203	juvenile
3429	stages
12442	liver
74592	fluke
3885	sheep
7894	mosquito
4621	vehicle
22355	malaria
303	man
303	man
74440	tse
74440	tse
962	fly
21379	spreads
5663	sleeping
10327	sickness
47179	freshwater
58770	mussel
1160	continue
3093	race
5479	unconscious
388	co
651	operation
3999	minnow
47179	freshwater
355	fish
661	called
74263	bitterling
1160	continue
3093	race
5479	unconscious
388	co
651	operation
58770	mussel
2552	numerous
8740	mutually
3880	beneficial
50589	partnerships
2013	kinds
1096	creatures
21805	inter
501	relations
1565	where
5125	benefit
6063	sided
2331	case
1699	insects
473	make
67512	galls
447	plants
3524	kindred
293	animals
2162	forms
5433	colonies
6785	communities
9284	societies
2890	nutritive
5878	chains
8655	bind
951	series
293	animals
2753	cod
964	feeding
74593	whelk
74593	whelk
963	worm
963	worm
21627	organic
7105	dust
65	sea
4412	system
3697	successive
54755	incarnations
428	matter
4865	continually
450	passing
37383	embodiment
2746	instances
3054	suffice
8788	illustrate
5634	central
44884	biological
1581	idea
3796	web
74	life
74591	interlinked
4412	system
36851	animate
439	nature
52796	linnaeus
1759	spoke
74594	systema
29503	naturae
3778	meaning
6258	orderly
32401	hierarchy
5039	classes
5873	orders
2718	families
6233	genera
1330	species
8693	owe
319	darwin
2917	particular
532	knowledge
56188	dynamic
74594	systema
29503	naturae
6133	network
1158	vital
21805	inter
501	relations
644	become
6319	complex
7048	evolution
649	continued
303	man
3796	web
6319	complex
553	means
1422	making
36851	animate
439	nature
25249	unity
553	means
2146	external
693	method
34694	registering
3175	steps
1528	progress
553	means
24732	evolving
36	set
23297	sieves
6816	variations
7715	sifted
1096	creatures
984	kept
5465	slipping
5629	steep
11308	ladder
7048	evolution
46072	parasitism
3244	happens
21805	inter
313	relation
2237	established
736	creature
918	works
20188	retrograde
2073	direction
2331	case
32479	thoroughgoing
3013	internal
3110	parasites
7790	sunk
74595	easygoing
958	kind
74	life
10231	utterly
6907	dependent
8217	host
966	food
1551	requiring
7429	exertions
868	running
1278	risks
2654	receiving
9117	spur
2351	effort
659	thus
486	see
7048	evolution
5327	necessarily
3430	progressive
5261	depends
539	conditions
4601	reference
1096	creatures
5919	evolved
539	conditions
74595	easygoing
67	animal
4182	thoroughly
4233	adapted
74596	tapeworm
1438	certainly
18250	slips
55879	rungs
11308	ladder
7048	evolution
429	interesting
7447	minor
2851	chapter
246	story
7048	evolution
6874	establishment
2013	kinds
3110	parasites
8422	casual
3137	constant
4020	temporary
33266	lifelong
2146	external
74597	hangers
3013	internal
74598	unpaying
74599	boarders
1653	live
966	food
5613	canal
5107	depend
8217	host
966	food
2476	inhabit
1103	blood
5393	tissues
540	find
966	food
1193	seems
431	clear
8690	ichneumon
2855	grubs
3125	hatch
3617	caterpillar
348	eat
865	alive
3110	parasites
7127	beasts
332	prey
4814	working
584	sides
7447	minor
2851	chapter
7048	evolution
6493	parasite
7048	evolution
74600	counteractive
2052	measures
839	part
8217	host
659	thus
980	maintenance
13372	bodyguard
3813	wandering
74422	amoeboid
3551	cells
12474	tackle
49610	microbes
25754	invading
739	body
2415	succeed
1429	overpowering
55715	digesting
659	thus
366	protective
10107	capacity
1103	blood
1422	making
22118	antagonistic
691	substances
13979	anti
718	bodies
19006	counteract
14254	poisons
5384	including
14254	poisons
4778	intruding
3110	parasites
473	make
9248	evidences
7048	evolution
2576	came
32139	sec
1528	progress
7048	evolution
5465	slipping
3103	degeneracy
954	course
7048	evolution
3159	big
714	fact
1528	progress
2771	millions
436	years
74	life
1833	slowly
3717	creeping
5675	upwards
6049	compare
2041	highest
293	animals
294	birds
1572	mammals
5973	predecessors
5314	admit
14911	controlled
6917	masters
1213	fate
22218	mentality
7048	evolution
74601	integrative
548	say
1961	makes
37824	instability
5867	disorder
14696	harmony
1528	progress
949	rise
294	birds
1572	mammals
6619	discern
46256	evolutionary
648	process
1422	making
2957	fuller
37383	embodiment
2744	expression
303	man
17483	values
10178	control
2788	freedom
6479	understanding
557	love
2814	advance
67	animal
74	life
5050	ages
67201	chequered
2814	advance
2767	increasing
32393	fullness
2788	freedom
9493	fitness
74	life
470	study
2814	advance
5634	central
714	fact
21627	organic
7048	evolution
10576	assuredly
303	man
13873	instruction
13598	encouragement
9248	evidences
7048	evolution
867	said
714	fact
7048	evolution
976	taken
3076	granted
9248	evidences
20125	frankly
4885	answered
1581	idea
7048	evolution
505	child
2955	parent
2984	future
2412	proved
2182	prove
3174	law
35093	gravitation
1725	show
5527	key
3035	looking
530	things
8753	fits
1651	facts
10524	lock
1651	facts
7048	evolution
6055	theory
12590	vividly
49422	interprets
661	called
9248	evidences
41752	validity
4450	lack
158	historical
1238	evidence
6954	eloquent
915	general
714	fact
295	fishes
3810	emerge
2783	amphibians
2813	reptiles
294	birds
6376	wonderfully
4774	complete
6834	fossil
951	series
74538	cuttlefishes
486	see
7048	evolution
648	process
67206	pedigree
2870	horse
2575	elephant
2053	crocodile
915	general
18889	convincing
7236	confessed
2643	cases
6812	regard
3104	light
490	tell
3282	instance
2750	vertebrates
9935	arose
2474	origin
67161	embryological
1238	evidence
2143	individual
955	development
19110	reads
8497	abbreviated
48849	recapitulation
10031	presumed
7048	evolution
3093	race
66181	mammal
62373	visceral
8140	clefts
490	tell
9569	tale
1238	evidence
4174	remote
3298	aquatic
3200	ancestors
1044	breathing
1034	gills
664	known
6812	regard
158	historical
7048	evolution
3073	antlers
16631	bygone
5050	ages
3760	red
2742	deer
967	day
74602	recapitulates
915	general
5748	outlines
5	history
2143	individual
955	development
67596	asymmetrical
1789	flat
355	fish
67606	plaice
1554	sole
1953	rests
8025	swims
1503	side
3091	tells
3733	plainly
3200	ancestors
14984	symmetrical
295	fishes
661	called
7045	physiological
1238	evidence
447	plants
293	animals
925	variable
1740	eyes
7048	evolution
2892	going
967	day
3619	familiarly
417	seen
2017	domesticated
293	animals
3435	cultivated
447	plants
1100	abundant
59283	flux
343	wild
439	nature
2709	hardly
867	said
21525	organisms
20869	conservative
889	change
2896	expected
1464	position
6880	stable
1519	equilibrium
5597	secured
21327	anatomical
1238	evidence
18889	convincing
11549	quality
7181	fore
1533	limbs
74467	backboned
293	animals
548	say
8954	paddle
1208	turtle
3875	wing
321	bird
67502	flipper
19603	whale
7181	fore
1481	leg
2870	horse
1497	arm
303	man
852	essential
778	bones
2132	muscles
19760	diverse
5065	results
2725	mean
1103	blood
6892	relationship
773	sets
1225	teeth
51286	whalebone
7176	whales
1224	cut
15320	gum
25942	alternative
6812	regard
14420	relics
5124	useful
1225	teeth
10905	ancestral
2162	forms
1393	possessed
7048	evolution
6055	theory
1320	justified
918	works
32139	sec
6977	factors
7048	evolution
867	said
714	fact
7048	evolution
6977	factors
579	answer
914	easy
3379	problem
1611	greatest
3426	scientific
2120	problems
6608	inquiry
21	young
3426	scientific
470	study
7048	evolution
2766	practically
7659	dates
2269	publication
2474	origin
1330	species
74603	heritable
16607	novelties
6816	variations
5112	crop
1096	creatures
838	form
916	raw
424	material
7048	evolution
6816	variations
6087	outcome
2744	expression
952	changes
992	germ
3551	cells
1207	develop
21525	organisms
876	why
952	changes
1948	constitution
992	germ
3551	cells
424	material
6319	complex
50913	inherently
4608	liable
889	change
4621	vehicle
617	multitude
33003	hereditary
17128	items
4340	likely
74604	reshufflings
74605	rearrangements
992	germ
3551	cells
3028	changeful
4666	surroundings
1103	blood
739	body
4225	cavity
672	fluid
65	sea
635	water
3708	deeply
49589	saturating
20093	influences
889	change
4168	climate
2466	habitat
7504	penetrate
739	body
992	germ
3551	cells
3520	provoke
847	vary
7347	patient
6301	wearisome
50459	reiteration
932	moreover
61461	celled
22183	organism
7156	reproduced
1461	usual
2366	arises
683	egg
3407	cell
52274	fertilised
38915	sperm
3407	cell
952	changes
12149	involved
6523	preparatory
67285	fertilisation
473	make
69076	permutations
22149	combinations
17128	items
33003	hereditary
5331	qualities
485	necessary
2541	shuffling
7425	pack
9615	cards
9615	cards
952	changes
4259	wrought
739	body
9831	lifetime
1197	peculiarities
2728	nurture
1240	habits
4666	surroundings
38150	dents
8343	modifications
2143	individual
5123	follow
3093	race
61178	transmissible
1510	given
5112	crop
6816	variations
20444	departures
57554	mutations
20345	inborn
16607	novelties
661	called
6749	inquire
7715	sifted
15568	sifting
553	means
22153	elimination
2815	relatively
1878	fit
6816	variations
6819	selection
2815	relatively
1878	fit
1531	effected
446	ways
954	course
3075	struggle
844	existence
22183	organism
5481	plays
9562	card
5299	game
74	life
13362	consequences
4283	determine
33005	survival
2815	relatively
1878	fit
1510	given
539	conditions
5421	tend
22382	eliminated
2815	relatively
1878	fit
5421	tend
2732	survive
6816	variations
33003	hereditary
14156	reappear
5105	increased
2719	amount
1246	generation
1246	generation
648	process
15568	sifting
1160	continue
12926	consistently
1363	result
7048	evolution
1330	species
15568	sifting
648	process
8956	helped
6	various
2162	forms
36209	isolation
6891	lessen
443	range
2000	free
67060	intercrossing
2376	members
1330	species
2426	geographical
13370	barriers
65119	interbreeding
706	similar
2162	forms
580	tends
473	make
6880	stable
3020	stock
3338	breeding
74606	dissimilars
580	tends
19105	promote
2122	variability
5981	outline
7520	suggest
915	general
693	method
21627	organic
7048	evolution
5050	ages
21525	organisms
1422	making
74482	tentatives
20444	departures
6422	varying
1277	magnitude
74482	tentatives
533	tested
693	method
17484	testing
530	things
1072	holding
1501	fast
1205	good
17123	bibliography
245	list
5124	useful
6864	readers
3113	desire
1012	further
8793	books
14304	recommended
74607	clodd
246	story
6824	creation
4597	plain
1089	account
7048	evolution
319	darwin
2474	origin
1330	species
5736	descent
303	man
74608	deperet
7728	transformation
67	animal
535	world
29027	internat
29630	sci
951	series
74609	geddes
17917	thomson
7048	evolution
188	university
23	library
74610	goodrich
7048	evolution
430	people
8793	books
74611	headley
74	life
7048	evolution
20901	hutchinson
37678	neville
3469	extinct
9325	monsters
39474	lull
21627	organic
7048	evolution
74612	mccabe
7048	evolution
74613	metcalf
5981	outline
6055	theory
21627	organic
7048	evolution
24618	osborn
7048	evolution
74	life
17917	thomson
74614	darwinism
2019	human
74	life
323	wallace
74614	darwinism
252	iii
7024	adaptations
22214	environment
7024	adaptations
22214	environment
338	saw
5254	previous
2851	chapter
648	process
7048	evolution
441	led
2558	mastery
4014	haunts
74	life
485	necessary
578	return
4014	haunts
5069	homes
293	animals
3239	detail
5860	understand
1567	peculiar
2364	circumstances
486	see
954	course
5050	ages
3075	struggle
2933	sorts
3422	self
39783	preserving
3093	race
4719	continuing
7024	adaptations
74615	fitnesses
4259	wrought
5938	firmly
2237	established
1096	creatures
2432	spread
64	earth
2635	waters
64	earth
8267	conquered
6415	underground
535	world
1025	others
821	air
7735	indicated
877	distinguish
790	great
4014	haunts
74	life
51436	tenanted
19754	distinctive
43972	fauna
7117	namely
2787	shore
65	sea
65	sea
7814	depths
65	sea
74513	freshwaters
715	dry
274	land
821	air
1860	deep
65	sea
447	plants
821	air
447	plants
11459	floating
17464	bacteria
2096	sense
492	tree
37451	aerial
67494	orchid
6949	perched
1543	branches
4014	haunts
18329	flora
43972	fauna
4814	working
643	hands
429	interesting
6304	subtle
21805	inter
501	relations
427	subject
929	separate
470	study
2787	shore
65	sea
38504	seaweed
2433	area
2787	shore
65	sea
43035	zoologist
553	means
1005	narrow
3513	zone
5473	tide
6206	marks
553	means
2815	relatively
4305	shallow
51858	illumined
38504	seaweed
1832	growing
4060	shelf
15296	continents
18896	continental
1333	islands
21395	technically
661	called
35931	littoral
2433	area
37846	divisible
4569	zones
906	characteristic
1801	population
4294	noted
880	green
65710	seaweeds
2041	highest
2787	shore
239	brown
938	ones
1070	come
541	beautiful
3760	red
938	ones
2749	lowest
3274	got
880	green
46019	chlorophyll
2175	enables
68651	utilise
1921	sun
6504	rays
74418	photosynthesis
467	building
809	carbon
837	compounds
821	air
635	water
784	salts
239	brown
3760	red
65710	seaweeds
880	green
41487	pigment
37131	masked
1025	others
6896	maintained
17403	botanists
22024	pigments
3127	enable
33855	possessors
473	make
52326	scantier
3104	light
3958	deeper
2635	waters
1260	think
2787	shore
1378	haunt
38504	seaweed
1832	growing
2433	area
5293	indirectly
74	life
2787	shore
293	animals
796	closely
7381	wrapped
65710	seaweeds
1126	afford
966	food
24640	foothold
7467	temper
2245	force
5052	waves
673	minute
4224	fragments
1673	broken
65710	seaweeds
65	sea
2416	grass
17619	flowering
621	plant
661	called
74616	zostera
838	form
802	sort
2890	nutritive
65	sea
7105	dust
5900	swept
1833	slowly
2155	slope
2787	shore
838	form
5124	useful
2189	deposit
38566	quietness
74617	deepish
635	water
670	found
5255	stomachs
5604	marine
293	animals
74618	offshore
539	conditions
2787	shore
74	life
35931	littoral
2433	area
7118	defined
1378	haunt
74	life
8659	occupies
2756	million
3735	square
1421	miles
21786	fraction
64	earth
935	surface
1378	haunt
1421	miles
8197	winding
6173	bay
74619	fiord
41693	estuary
7114	creek
1565	where
1860	deep
635	water
2637	comes
5645	cliffs
2787	shore
1184	places
2815	relatively
4305	shallow
635	water
65710	seaweeds
1832	growing
671	bottom
1795	extend
10144	outwards
1421	miles
439	nature
2787	shore
2172	varies
1414	greatly
1123	according
439	nature
487	rocks
1123	according
3186	streams
2739	bring
1797	inland
1123	according
74620	jetsam
2657	brought
12161	tides
2787	shore
3028	changeful
1216	place
1040	upper
3527	reaches
1889	striking
2178	difference
5473	tide
5473	tide
18708	vicissitudes
384	due
3675	storms
47179	freshwater
16200	floods
7640	wind
8021	blown
927	sand
1818	slow
952	changes
1456	level
2787	shore
2800	crowded
1378	haunt
1062	comparatively
1005	narrow
3408	niche
487	rocks
3323	precious
288	illustration
2770	eight
2926	armed
71814	cuttlefish
7979	octopus
7323	attacking
8572	crab
67831	molluscs
1944	particularly
5332	fond
3728	crustaceans
53471	crunch
37902	parrot
318	beak
2061	jaws
60742	salivary
6890	juice
74621	paralysing
5087	effect
332	prey
1503	side
1315	eye
417	seen
2050	funnel
635	water
6578	forcibly
7376	ejected
648	process
1590	locomotion
288	illustration
733	common
74248	starfish
465	lost
1226	arms
74249	regrowing
2749	lowest
1497	arm
74622	regrown
2169	double
200	professor
74250	mcintosh
288	illustration
17163	photograph
2301	showing
74248	starfish
74252	asterias
74253	forreri
2335	captured
355	fish
67971	suctorial
3220	tube
1346	feet
417	seen
14565	gripping
355	fish
5938	firmly
1537	observation
23701	californian
2642	coast
288	illustration
35411	photo
10169	ward
2270	paper
67827	nautilus
74251	argonauta
67	animal
65	sea
1053	delicate
413	made
1688	female
2572	shelter
753	eggs
21	young
938	ones
3012	secreted
1226	arms
5515	mantle
74623	mollusc
488	shells
2168	single
43337	chambered
48870	pearly
67827	nautilus
8088	keen
3075	struggle
844	existence
5322	follows
2787	shore
2673	scene
8088	keen
3075	struggle
844	existence
5043	includes
2875	answers
1096	creatures
473	make
13267	environing
1276	difficulties
507	limitations
3075	struggle
966	food
21930	accentuated
714	fact
17128	items
5421	tend
5900	swept
6426	outgoing
5473	tide
1051	sink
2155	slope
1860	deep
635	water
1812	apart
1304	direct
17513	competition
4275	hungry
15688	hermit
64351	crabs
17976	involves
558	work
919	get
3664	meal
2022	apparently
1102	sluggish
1096	creatures
659	thus
37175	crumb
631	bread
7444	sponge
1796	seashore
7444	sponge
14657	lash
859	quantities
635	water
4660	intricate
5613	canal
4412	system
739	body
919	get
3948	sufficient
1003	supply
1188	microscopic
21525	organisms
21627	organic
5287	particles
1171	feeds
7210	index
7985	intensity
3075	struggle
966	food
6582	afforded
2890	nutritive
5878	chains
8655	bind
293	animals
2787	shore
7360	noisy
74624	conjugation
38781	verb
348	eat
32755	tenses
14002	pound
3146	rock
2753	cod
971	requires
7639	formation
1827	ten
2664	pounds
74593	whelk
14002	pound
74593	whelk
971	requires
1827	ten
2664	pounds
65	sea
351	worms
14002	pound
351	worms
971	requires
1827	ten
2664	pounds
65	sea
7105	dust
6127	circulation
428	matter
450	passing
37383	embodiment
32497	incarnation
3075	struggle
966	food
3075	struggle
24640	foothold
568	fresh
821	air
3075	struggle
6624	scouring
5473	tide
9946	pounding
15098	breakers
4549	risk
74625	dislodgment
790	great
39196	fracture
1533	limbs
733	common
10009	accident
2013	kinds
38232	armour
65	sea
10760	urchin
3616	hedgehog
2710	test
8572	crab
74626	shard
61260	limpet
790	great
4463	variety
17363	surpassed
2082	weapons
65	sea
74220	anemone
6234	stinging
3551	cells
65	sea
10760	urchin
13422	snapping
614	blades
15688	hermit
8572	crab
3783	forceps
4993	grappling
8482	tentacles
37902	parrot
318	beak
2061	jaws
7979	octopus
36110	shifts
919	get
8141	glimpse
7985	intensity
1796	seashore
3075	struggle
844	existence
27963	frequency
36110	shifts
7024	adaptations
679	structure
26937	behaviour
2188	meet
1365	frequently
28176	recurrent
18708	vicissitudes
74248	starfish
39464	dilemma
5326	losing
2311	limb
74	life
38518	reflex
469	action
74627	jettisons
2335	captured
1497	arm
8785	escapes
465	lost
945	gradually
74622	regrown
8572	crab
1925	gets
1481	leg
1673	broken
15607	mending
28068	casts
1481	leg
2193	weak
24336	breakage
5575	plane
1779	base
61545	preformed
14781	bandage
5903	prevents
12595	bleeding
1481	leg
981	formed
20690	miniature
7033	adaptive
2845	device
38518	reflex
15503	reflective
661	called
3422	self
13121	mutilation
74628	autotomy
839	part
3	book
8698	discussion
74272	camouflaging
366	protective
7383	resemblance
2262	abundantly
103	illustrated
2787	shore
36110	shifts
927	sand
23288	hoppers
5364	relatives
8788	illustrate
7169	puzzling
13228	phenomenon
40221	feigning
2058	death
3504	becoming
1099	suddenly
3569	motionless
1157	escape
1740	eyes
2029	enemies
74538	cuttlefishes
10934	discharging
64529	sepia
7982	ink
16719	bags
1172	able
1626	throw
7105	dust
1740	eyes
2029	enemies
3224	undisguised
2787	shore
293	animals
64351	crabs
59138	adepts
2038	hide
1173	seek
5299	game
295	fishes
74629	butterfish
74630	gunnel
1157	escape
1156	stones
1565	where
2098	seemed
3576	opening
74631	uncatchable
74632	slipperiness
69087	subtlest
479	habit
15688	hermit
64351	crabs
6741	entering
8740	mutually
3880	beneficial
21028	partnership
74633	commensalism
65	sea
74275	anemones
11766	mask
13369	bearers
5879	serve
6787	mounted
34665	batteries
3360	getting
13687	transport
6844	reward
11388	crumbs
1365	frequently
2432	spread
5283	table
867	said
1725	show
2787	shore
1378	haunt
1586	exhibits
6094	extraordinary
4463	variety
36110	shifts
2820	parental
1237	care
2787	shore
1123	according
319	darwin
3075	struggle
844	existence
3159	big
714	fact
2876	economy
36851	animate
439	nature
5043	includes
17513	competition
18077	endeavours
3401	secure
5119	welfare
1814	offspring
13	give
1205	good
9550	send
74	life
9947	jolt
587	pass
3075	struggle
966	food
24640	foothold
2820	parental
1237	care
5604	marine
27218	leech
661	called
74634	pontobdella
429	interesting
21234	greenish
61512	warty
736	creature
5332	fond
6105	fixing
58865	skate
1184	places
683	egg
3672	cocoons
3805	empty
67488	bivalve
74623	mollusc
9636	guards
987	weeks
6691	removing
3567	mud
16918	injure
955	development
417	seen
5732	british
74248	starfish
2536	fully
981	formed
21	young
938	ones
3717	creeping
739	body
1461	usual
1241	mode
955	development
2787	shore
74510	starfishes
21	young
938	ones
587	pass
2000	free
7098	swimming
3409	larval
2772	period
635	water
1194	father
65	sea
4717	spider
1819	carries
753	eggs
615	attached
1533	limbs
1194	father
65	sea
2870	horse
5954	puts
2397	mate
753	eggs
2960	breast
10831	pocket
1819	carries
2030	safety
991	hatched
1194	father
2900	stickleback
2787	shore
1092	pools
1961	makes
38504	seaweed
340	nest
9636	guards
753	eggs
2985	wives
3046	induced
1090	lay
1194	father
74635	lumpsucker
5893	mounts
8098	guard
3557	bunch
8012	pinkish
753	eggs
2397	mate
1185	laid
13076	nook
5233	rocky
2787	shore
3952	pool
4632	drives
32739	intruders
6612	zest
74636	aerates
6692	developing
753	eggs
2829	frequent
8952	paddling
7856	pectoral
2784	fins
3136	tail
20321	scots
2109	name
3207	cock
74637	paidle
6154	suggests
429	interesting
17360	salient
2894	examples
2820	parental
1237	care
2787	shore
1378	haunt
1941	mostly
1183	male
2955	parent
1503	side
1229	maternal
528	virtue
288	illustration
1827	ten
2926	armed
71814	cuttlefish
65570	squid
1178	act
5241	capturing
355	fish
1226	arms
1969	bear
2552	numerous
64416	prehensile
7315	suckers
2080	grip
332	prey
749	mouth
2341	strong
2061	jaws
3803	shaped
37902	parrot
318	beak
74538	cuttlefishes
67831	molluscs
5703	regarded
2041	highest
74230	backboneless
9253	invertebrate
293	animals
1798	occur
2787	shore
1025	others
65	sea
1025	others
790	great
7814	depths
288	illustration
38251	greenland
19603	whale
2301	showing
2169	double
74638	blowhole
2693	nostrils
1863	top
747	head
51286	whalebone
5931	plates
1591	hanging
1915	roof
749	mouth
288	illustration
673	minute
1166	transparent
2798	stage
65	sea
16899	cucumber
8025	swims
65	sea
553	means
28326	girdles
1188	microscopic
68055	cilia
807	shown
8719	figure
2772	period
2000	free
7098	swimming
841	remarkable
6708	metamorphosis
67	animal
4132	settles
1491	floor
65	sea
2815	relatively
4305	shallow
635	water
288	illustration
35411	photo
5732	british
2200	museum
4	natural
5	history
4660	intricate
6605	colony
65	sea
293	animals
74254	physophora
74255	hydrostatica
592	related
18112	portuguese
303	man
4768	war
790	great
5319	division
4884	labor
6605	colony
1863	top
11459	floating
7098	swimming
4858	persons
938	ones
2333	offensive
4858	persons
3297	bearing
34665	batteries
6234	stinging
3551	cells
2221	middle
3513	zone
2890	nutritive
61494	reproductive
4858	persons
363	color
6605	colony
627	fine
24107	translucent
4422	blue
3256	swimmers
70562	bathers
15334	badly
6166	stung
305	strange
67	animal
5364	relatives
288	illustration
2673	scene
790	great
7814	depths
2301	showing
1860	deep
65	sea
355	fish
16773	gape
4790	feather
8821	stars
612	end
3370	stalks
65	sea
4717	spider
74639	pycnogon
1513	walking
65074	lanky
743	legs
6650	treacherous
41478	ooze
4231	brittle
8855	star
1860	deep
65	sea
40095	corals
43972	fauna
2787	shore
1983	remarkably
4848	representative
46031	unicellular
67854	protozoa
294	birds
12451	oyster
4798	catcher
1572	mammals
17031	seals
790	great
2830	groups
293	animals
2022	apparently
6266	served
25590	apprenticeship
2787	shore
1378	haunt
8342	lessons
6961	learned
2771	millions
436	years
1051	sink
644	become
74640	organically
74478	enregistered
33507	justifiable
1851	look
2787	shore
790	great
72	school
4874	gained
18827	racial
5331	qualities
12022	endurance
5924	patience
25728	alertness
249	ii
65	sea
790	great
7738	contrast
1005	narrow
2800	crowded
1242	difficult
539	conditions
2787	shore
1378	haunt
35931	littoral
2433	area
16139	spacious
23113	bountiful
2815	relatively
74595	easygoing
539	conditions
65	sea
44165	pelagic
2433	area
553	means
10038	lighted
935	surface
2635	waters
274	land
21525	organisms
9499	maximum
5064	abundance
1834	fifty
53489	fathoms
2472	word
935	surface
976	taken
8943	generously
3104	light
762	becomes
4718	dim
53489	fathoms
65	sea
38653	zoological
1378	haunt
1871	stops
3104	light
2709	hardly
485	necessary
548	say
44165	pelagic
447	plants
1100	abundant
935	surface
2503	depth
1801	population
608	consists
842	exclusively
293	animals
293	animals
1051	sink
949	rise
635	water
34747	periodically
1070	come
935	surface
967	day
1025	others
1070	come
935	surface
1864	night
790	great
444	interest
479	habit
2232	extremely
1053	delicate
74641	ctenophores
65	sea
52277	gooseberries
8827	splash
8429	wave
5692	tear
15971	shreds
8362	hint
8874	storm
1051	sink
4599	reach
3229	ocean
935	surface
1452	remained
1789	flat
5594	mirror
668	hours
12495	lured
5675	upwards
7922	calm
1860	deep
3264	retreat
11459	floating
65	sea
5226	meadows
5860	understand
1158	vital
2876	economy
65	sea
11210	recognise
32786	incalculable
5064	abundance
673	minute
46031	unicellular
447	plants
838	form
998	fundamental
966	food
1003	supply
16	included
2552	numerous
1188	microscopic
293	animals
3274	got
1453	possession
46019	chlorophyll
10422	entered
3013	internal
21028	partnership
46031	unicellular
46264	algae
46073	symbiosis
880	green
21234	greenish
447	plants
293	animals
23031	producers
1527	using
7939	energy
8316	sunlight
1220	help
467	building
809	carbon
837	compounds
821	air
635	water
784	salts
293	animals
2821	feed
23031	producers
293	animals
22678	consumers
1070	come
65	sea
17464	bacteria
9413	convert
836	nitrogenous
424	material
873	dead
447	plants
293	animals
17464	bacteria
10283	rotted
2162	forms
22478	nitrates
447	plants
68651	utilise
795	importance
74642	middlemen
790	great
1509	keeping
6127	circulation
428	matter
74643	agoing
288	illustration
65	sea
2870	horse
74256	sargasso
3254	weed
74644	frond
60213	tags
2298	skin
39969	colouring
958	kind
65	sea
2870	horse
4254	concealed
11459	floating
38504	seaweed
661	called
74256	sargasso
65	sea
5604	marine
58849	lampreys
74257	petromyzon
74258	marinus
1497	arm
2789	spawn
568	fresh
635	water
1156	stones
7666	pebbles
7611	gripped
67971	suctorial
749	mouth
4308	removed
285	selected
1857	spot
4465	piled
1786	circumference
753	eggs
1185	laid
5805	circle
941	easily
666	washed
1860	deep
65	sea
355	fish
74259	chiasmodon
2612	niger
253	famous
7299	voracity
3626	manages
3898	swallow
355	fish
712	larger
6065	causes
6094	extraordinary
61561	protrusion
977	stomach
1860	deep
65	sea
295	fishes
74645	melanocetus
74646	murrayi
74645	melanocetus
63788	indicus
592	related
9350	angler
5732	british
33622	coasts
4233	adapted
74	life
790	great
52968	abysses
2516	dark
9916	colour
3134	delicately
500	built
1302	possess
946	developed
13271	luminous
1589	organs
79	third
838	form
661	called
74647	chauliodus
6320	predatory
67	animal
16773	gape
1694	formidable
1225	teeth
288	illustration
13217	flinty
5697	skeleton
53338	venus
939	flower
4576	basket
74260	euplectella
18190	japanese
1860	deep
65	sea
7444	sponge
288	illustration
683	egg
10530	depository
74261	semotilus
74262	atromaculatus
467	building
683	egg
10530	depository
1183	male
355	fish
878	takes
1156	stones
671	bottom
2914	stream
14565	gripping
749	mouth
4535	heaps
7439	dam
683	egg
10530	depository
4456	arranges
1156	stones
753	eggs
680	deposited
6028	interstices
4182	thoroughly
4228	protected
666	washed
2914	stream
7439	dam
1156	stones
683	egg
10530	depository
37096	hillock
927	sand
7980	arrow
2201	shows
2073	direction
2914	stream
1040	upper
355	fish
1183	male
1879	lower
1688	female
11459	floating
65	sea
5226	meadows
322	sir
128	john
17980	murray
661	called
2654	receiving
9231	contributions
74648	inshore
2635	waters
1565	where
539	conditions
14207	favourable
1153	prolific
16839	multiplication
46031	unicellular
46264	algae
2719	amount
8682	non
65	sea
7105	dust
5900	swept
38504	seaweed
65	sea
2416	grass
2433	area
3256	swimmers
74649	drifters
293	animals
65	sea
16648	conveniently
5038	divided
735	active
3256	swimmers
74650	nekton
5933	passive
74649	drifters
74651	plankton
3256	swimmers
6991	include
7176	whales
790	great
294	birds
8874	storm
67275	petrel
355	fish
4036	eating
4001	turtles
65	sea
347	snakes
295	fishes
26672	mackerel
17349	herring
3830	winged
3565	snails
65	sea
3659	butterflies
51286	whalebone
7176	whales
4596	largely
2821	feed
735	active
74652	cuttles
74653	squids
6	various
65	sea
68063	prawns
5364	relatives
351	worms
1166	transparent
7980	arrow
963	worm
735	active
67854	protozoa
74428	noctiluca
74654	luminescence
1961	makes
5052	waves
20649	sparkle
3593	summer
3562	darkness
1889	striking
3282	instance
74655	insurgence
74	life
65	sea
74656	skimmers
74657	halobatidae
3718	wingless
1699	insects
592	related
635	water
58354	measurers
7751	ditch
670	found
2791	hundreds
1421	miles
274	land
5590	skimming
935	surface
65	sea
49509	diving
11098	stormy
3693	weather
2821	feed
11459	floating
873	dead
293	animals
74649	drifters
74595	easygoing
3256	swimmers
1501	fast
3915	line
595	represented
3282	instance
13217	flinty
4015	shelled
74431	radiolarians
7689	chalk
763	forming
293	animals
74658	globigerinid
67853	foraminifera
74465	jellyfishes
7098	swimming
11734	bells
18112	portuguese
276	men
4768	war
5982	comb
13369	bearers
74641	ctenophores
32532	legions
673	minute
3728	crustaceans
305	strange
293	animals
661	called
74659	salps
592	related
3795	sedentary
65	sea
74426	squirts
1102	sluggish
295	fishes
17083	globe
295	fishes
1047	float
12330	idly
935	surface
65	sea
293	animals
5421	tend
3134	delicately
500	built
7817	specific
5760	gravity
65	sea
635	water
7024	adaptations
2692	projecting
8490	filaments
1220	help
50746	flotation
24443	capacities
4689	rising
7768	sinking
1123	according
4147	surrounding
539	conditions
74660	luminescent
8501	inconspicuous
635	water
3357	owing
28533	transparency
8419	bluish
9916	colour
2643	cases
10410	significance
7734	obscure
1843	hunger
557	love
1843	hunger
1238	evidence
65	sea
1731	especially
22441	areas
1565	where
74651	plankton
3255	poor
790	great
7466	diversity
968	respect
3226	mediterranean
3282	instance
7672	scanty
74651	plankton
894	compared
2278	north
65	sea
2627	south
5646	pacific
182	west
5662	patagonia
867	said
2032	immense
65	sea
3361	desert
1565	where
74651	plankton
834	therefore
295	fishes
3052	success
2902	fisheries
2278	north
117	atlantic
2753	cod
2469	banks
384	due
22822	richness
11459	floating
65	sea
5226	meadows
5064	abundance
1353	smaller
793	constituents
67	animal
74651	plankton
1843	hunger
4597	plain
63796	baleen
19603	whale
4047	rushes
635	water
2061	jaws
74432	engulfing
2549	huge
7418	cavern
749	mouth
1565	where
1465	pendent
51286	whalebone
5931	plates
838	form
2549	huge
21442	sieve
32786	incalculable
2771	millions
2775	fry
557	love
1843	hunger
65	sea
1229	maternal
1237	care
2659	exhibited
19603	whale
3527	reaches
1456	level
1053	delicate
1688	female
2270	paper
67827	nautilus
74661	argonaut
753	eggs
21	young
938	ones
7400	sheltered
2395	described
541	beautiful
12837	cradle
535	world
2361	permanent
6224	inhabitants
65	sea
3409	larval
3429	stages
2787	shore
293	animals
607	time
429	interesting
13	give
953	take
2787	shore
1378	haunt
65	sea
2787	shore
1070	come
2890	nutritive
9231	contributions
673	minute
21525	organisms
3169	multiply
2593	quickly
2635	waters
714	fact
2635	waters
1126	afford
1215	safe
12837	cradle
3194	nursery
1053	delicate
3639	larva
8572	crab
74248	starfish
6004	acorn
65	sea
10760	urchin
2732	survive
967	day
692	rough
24291	tumble
539	conditions
2787	shore
4305	shallow
635	water
14933	undergoing
18694	radical
952	changes
3090	gaining
1431	strength
21	young
1096	creatures
578	return
2787	shore
6	various
446	ways
252	iii
1860	deep
65	sea
4014	haunts
7814	depths
65	sea
5384	including
1491	floor
52968	abysses
4569	zones
635	water
671	bottom
1378	haunt
1059	forever
7821	unseen
8659	occupies
79	third
64	earth
935	surface
2495	thickly
10361	peopled
2576	came
9767	emphatic
1733	notice
2446	connection
15607	mending
13184	telegraph
25708	cables
5065	results
74662	challenger
8227	expedition
1887	gave
11594	impressive
6953	picture
2766	practically
535	world
6151	physical
539	conditions
1902	average
2503	depth
3229	ocean
1328	half
1421	miles
834	therefore
748	parts
2815	relatively
4305	shallow
2584	enormous
7814	depths
21395	technically
661	called
50854	deeps
1421	miles
1860	deep
6403	mount
74663	everest
53137	engulfed
2584	enormous
6070	pressure
7814	depths
53489	fathoms
1328	half
22994	tons
3735	square
2138	inch
985	temperature
1010	freezing
223	point
568	fresh
635	water
21481	deg
21481	deg
24293	fahr
384	due
4080	continual
7768	sinking
634	cold
635	water
1522	poles
1731	especially
2627	south
1812	apart
12112	fitful
3026	gleams
74660	luminescent
293	animals
3458	utter
3562	darkness
1860	deep
2635	waters
6504	rays
8316	sunlight
2766	practically
11236	extinguished
53489	fathoms
3529	sensitive
74664	bromogelatine
5931	plates
4079	exposed
53489	fathoms
807	shown
7139	faint
8364	indications
2503	depth
535	world
491	absolute
7922	calm
1418	silence
3995	scenery
1491	floor
1860	deep
634	cold
2516	dark
4298	silent
3141	monotonous
535	world
44884	biological
539	conditions
748	parts
1491	floor
52968	abysses
2495	thickly
10361	peopled
1025	others
2503	depth
1375	limit
2622	distribution
74	life
3168	wherever
1497	arm
50655	dredge
4620	reached
293	animals
670	found
67854	protozoa
44632	sponges
40095	corals
351	worms
74510	starfishes
65	sea
53182	urchins
65	sea
489	lilies
3728	crustaceans
4841	lamp
488	shells
67831	molluscs
74665	ascidians
295	fishes
4848	representative
43972	fauna
4815	absence
3104	light
46019	chlorophyll
4095	possessing
447	plants
293	animals
4036	eating
46871	extraneous
3597	source
966	food
1003	supply
670	found
7768	sinking
673	minute
21525	organisms
2031	killed
935	surface
952	changes
985	temperature
6065	causes
7581	swallowed
65	sea
7105	dust
717	mineral
5287	particles
6	various
2013	kinds
2162	forms
8525	diversified
41478	ooze
65	sea
1491	floor
1896	soft
5794	muddy
12589	precipitate
867	said
1184	places
41319	consistence
10806	butter
3593	summer
3693	weather
1193	seems
17464	bacteria
52968	abysses
45364	rotting
7771	sinks
2549	huge
15400	carcase
19603	whale
16634	nibbled
4275	hungry
293	animals
978	digested
2776	else
2331	case
778	bones
1833	slowly
728	dissolved
19603	whale
613	ear
778	bones
17047	shark
1225	teeth
7024	adaptations
1860	deep
65	sea
74	life
6997	adaptation
790	great
6070	pressure
718	bodies
1860	deep
65	sea
293	animals
74408	permeable
635	water
1925	gets
2331	case
53338	venus
939	flower
4576	basket
13217	flinty
7444	sponge
505	child
7195	finger
10216	shiver
6070	pressure
3244	happens
6997	adaptation
6650	treacherous
41478	ooze
4583	apt
4755	smother
735	active
1860	deep
65	sea
293	animals
74666	stilt
743	legs
3795	sedentary
2727	types
6356	lifted
2030	safety
612	end
3370	stalks
3369	bases
7813	embedded
3567	mud
6997	adaptation
3562	darkness
74654	luminescence
1740	eyes
7	use
790	great
955	development
74667	tactility
429	interesting
3379	problem
74654	luminescence
11363	discussed
3468	elsewhere
2474	origin
1860	deep
65	sea
43972	fauna
1193	seems
3896	doubt
8662	arisen
9231	contributions
6	various
2787	shore
4014	haunts
15569	drifting
966	food
2787	shore
293	animals
954	course
2811	generations
4620	reached
535	world
9898	eternal
1864	night
309	winter
644	become
4233	adapted
305	strange
539	conditions
293	animals
1860	deep
65	sea
1878	fit
541	beautiful
6448	vigorous
3468	elsewhere
47432	slums
439	nature
288	illustration
74263	bitterling
74264	rhodeus
74265	amarus
18896	continental
355	fish
752	lays
753	eggs
553	means
67508	ovipositor
47179	freshwater
58770	mussel
753	eggs
1207	develop
74623	mollusc
3296	gill
5931	plates
288	illustration
35411	photo
74235	berridge
3618	woolly
4087	opossum
2565	carrying
1161	family
21	young
938	ones
3992	clinging
1199	mother
64416	prehensile
3136	tail
3630	coiled
288	illustration
3388	surinam
1154	toad
74266	pipa
8566	americana
21	young
938	ones
3129	hatching
1231	pockets
288	illustration
8874	storm
67275	petrel
1199	mother
20343	carey
15489	chicken
74267	procellaria
74268	pelagica
906	characteristic
321	bird
65	sea
1070	come
274	land
340	nest
1962	smallest
3796	web
3794	footed
321	bird
1345	inches
743	legs
503	touch
635	water
321	bird
738	flies
8874	storm
67275	petrel
117	atlantic
311	nests
1333	islands
182	west
2642	coast
7473	britain
254	iv
568	fresh
2635	waters
64	earth
935	surface
74513	freshwaters
838	form
21786	fraction
23714	hundredth
473	make
2507	smallness
4463	variety
1260	think
1860	deep
4272	lake
4305	shallow
1036	pond
790	great
2470	river
74668	purling
3018	brook
48214	lagoon
7929	swamp
1889	striking
7383	resemblance
67	animal
1801	population
2585	widely
942	separated
47179	freshwater
19748	basins
1993	partly
294	birds
1711	carry
1096	creatures
5794	muddy
1346	feet
635	water
1993	partly
47179	freshwater
293	animals
3199	descended
2727	types
473	make
65	sea
1796	seashore
44683	estuaries
4647	marshes
2013	kinds
1948	constitution
2732	survive
3963	migration
1993	partly
8024	lakes
40409	landlocked
9195	dwindling
14420	relics
4347	ancient
9175	seas
706	similar
2162	forms
2732	survive
889	change
3724	typical
11809	assemblage
47179	freshwater
293	animals
6991	include
67854	protozoa
74421	amoebae
6138	bell
67979	animalcules
4848	representative
1161	family
44632	sponges
74669	spongillidae
733	common
54051	hydra
74670	unsegmented
351	worms
15272	notably
74671	planarians
74672	nematodes
67832	annelids
592	related
74460	earthworms
3728	crustaceans
1699	insects
67485	mites
74673	bivalves
3565	snails
6	various
295	fishes
3344	newt
3567	mud
1208	turtle
3454	warm
7142	countries
2549	huge
74674	crocodilian
6	various
429	interesting
294	birds
635	water
47147	ouzel
74675	dipper
1572	mammals
635	water
63937	vole
635	water
26318	shrew
47179	freshwater
293	animals
401	face
1276	difficulties
1611	greatest
21334	drought
3526	frost
666	washed
884	times
1133	flood
429	interesting
470	study
535	world
6608	inquiry
7024	adaptations
47179	freshwater
293	animals
7078	overcome
1276	difficulties
4462	situation
13	give
292	illustrations
21334	drought
33861	circumvented
10107	capacity
47179	freshwater
293	animals
3315	lying
1788	low
6149	saying
659	thus
2164	african
74676	mudfish
308	spend
1328	half
2658	year
20866	encased
3567	mud
673	minute
3728	crustaceans
2732	survive
4053	dried
436	years
1157	escape
1470	danger
3694	frozen
3952	pool
4596	largely
384	due
3418	unique
6152	property
635	water
23896	expands
2594	approaches
1010	freezing
223	point
659	thus
22367	colder
635	water
2640	rises
935	surface
2162	forms
2569	adds
3587	protecting
15461	blanket
3897	ice
3482	warmer
635	water
525	remains
74677	unfrozen
671	bottom
293	animals
1653	live
4549	risk
666	washed
65	sea
10861	lessened
2933	sorts
14565	gripping
4993	grappling
74678	anchoring
4560	structures
22236	shortening
15203	juvenile
3429	stages
1278	risks
1611	greatest
715	dry
274	land
5	history
67	animal
74	life
12272	attempts
919	get
635	water
22722	terra
45068	firma
1660	successful
15272	notably
413	made
351	worms
821	air
1044	breathing
3726	arthropods
2783	amphibians
4104	thinking
16866	conquest
715	dry
274	land
293	animals
11210	recognise
4439	indispensable
21200	role
447	plants
4880	preparing
715	dry
626	ground
2412	proved
52380	inhospitable
3300	terrestrial
447	plants
4164	begun
2148	establish
6665	affording
966	food
2572	shelter
3703	humidity
447	plants
74460	earthworms
2821	feed
3439	decaying
586	leaves
12018	debt
25894	repaid
74460	earthworms
4489	began
35790	worldwide
3142	task
763	forming
689	vegetable
3477	mould
3576	opening
64	earth
3538	burrows
41448	circulating
605	soil
553	means
3543	castings
61567	bruising
5287	particles
67879	gizzard
1438	certainly
7303	mill
535	world
1581	idea
35931	littoral
4014	haunts
1796	seashore
74513	freshwaters
6582	afforded
485	necessary
25590	apprenticeship
18118	transitional
1364	experience
19787	strenuous
74	life
715	dry
274	land
1058	perfected
274	land
419	beginnings
2787	shore
1506	let
6749	inquire
1658	passage
635	water
715	dry
274	land
2765	actually
6840	implied
5010	briefly
11363	discussed
5254	previous
2893	article
7048	evolution
427	subject
790	great
444	interest
795	importance
1276	difficulties
5065	results
6008	transition
635	water
274	land
3428	leaving
635	water
715	dry
274	land
6840	implied
6045	loss
2788	freedom
448	movement
3300	terrestrial
67	animal
21518	primarily
21563	restricted
935	surface
64	earth
659	thus
4676	became
852	essential
1574	movements
3790	rapid
4478	precise
133	associate
8503	acquisition
627	fine
6474	cross
7865	striped
2593	quickly
24481	contracting
2132	muscles
607	time
16839	multiplication
2552	numerous
929	separate
14813	engines
1766	exercise
1834	fifty
2132	muscles
1328	half
49240	elapses
1494	raising
1349	heel
1482	foot
1513	walking
6396	planting
5938	firmly
626	ground
932	moreover
3790	rapid
2409	precisely
14911	controlled
1574	movements
6840	implied
7729	improved
3558	nervous
4412	system
6088	brain
448	movement
21695	controlling
1412	organ
5050	ages
4104	thinking
6008	transition
22722	terra
45068	firma
12149	involved
731	greater
33575	compactness
739	body
790	great
5761	friction
935	surface
67	animal
74516	jellyfish
36145	unthinkable
274	land
7797	elongated
718	bodies
274	land
293	animals
44329	centipedes
347	snakes
2204	specially
4233	adapted
15896	sprawl
3216	exceptions
2182	prove
426	rule
3360	getting
715	dry
274	land
2074	meant
6741	entering
3725	kingdom
1565	where
2147	differences
967	day
1864	night
3593	summer
309	winter
2452	felt
65	sea
413	made
6869	advantageous
59853	protections
8653	evaporation
6045	loss
3441	heat
1286	dangers
2289	hence
4463	variety
446	ways
935	surface
739	body
1601	acquired
2306	thickened
2298	skin
873	dead
45362	cuticle
298	growth
1821	hair
1144	forth
2643	cases
2764	increase
1816	protection
309	winter
773	sets
1832	growing
4573	thicker
7282	fur
13452	accumulating
4927	layer
704	fat
2298	skin
28687	thickening
1816	protection
2298	skin
12149	involved
3204	partial
5891	total
6045	loss
2298	skin
22333	respiratory
935	surface
811	oxygen
423	available
715	dry
274	land
635	water
1443	readily
2335	captured
659	thus
486	see
795	importance
10040	moist
3013	internal
7223	surfaces
5241	capturing
811	oxygen
1893	drawn
904	interior
739	body
802	sort
1042	lung
3418	unique
15876	solution
4399	offered
74679	tracheate
3726	arthropods
74234	peripatus
44329	centipedes
3736	millipedes
1699	insects
1565	where
821	air
3238	carried
3325	hole
7134	corner
739	body
67369	ramifying
4412	system
821	air
5842	tubes
74680	tracheae
293	animals
1103	blood
478	goes
821	air
1699	insects
821	air
478	goes
1103	blood
5371	robber
8572	crab
8732	migrated
2787	shore
1797	inland
715	dry
821	air
4120	absorbed
21405	vascular
4744	tufts
1832	growing
2572	shelter
3296	gill
1916	cover
3379	problem
7268	disposing
753	eggs
21	young
938	ones
7010	obviously
1242	difficult
274	land
635	water
635	water
8417	offers
3353	immediate
12837	cradle
715	dry
274	land
1286	dangers
21334	drought
6978	extremes
985	temperature
4275	hungry
5295	sharp
560	eyed
2029	enemies
33861	circumvented
540	find
1296	manner
446	ways
274	land
293	animals
2038	hide
753	eggs
21	young
938	ones
6423	holes
311	nests
6868	herbs
1377	trees
1711	carry
21	young
938	ones
1140	born
3388	surinam
1154	toad
3237	kangaroo
1025	others
2583	prolonged
2772	period
11681	ante
23045	natal
74	life
21	young
938	ones
1207	develop
2030	safety
1199	mother
11519	intimate
21028	partnership
2331	case
61329	placental
1572	mammals
429	interesting
540	find
17765	pioneer
67	animal
661	called
74234	peripatus
5880	bridges
5081	gap
351	worms
1699	insects
1819	carries
21	young
2658	year
1813	birth
867	said
1725	show
3697	successive
32441	conquests
715	dry
274	land
790	great
46256	evolutionary
5065	results
2709	hardly
548	say
18213	invasion
2783	amphibians
441	led
526	beginning
6465	brains
14911	controlled
6235	activities
1027	higher
10110	expressions
1161	family
74	life
288	illustration
48770	albatross
906	characteristic
44165	pelagic
321	bird
4097	southern
65	sea
2432	spread
3875	wing
1346	feet
5623	tip
5623	tip
253	famous
6094	extraordinary
1627	power
4363	sailing
10395	ship
2745	apparent
8818	strokes
742	wings
257	vi
821	air
293	animals
4182	thoroughly
37451	aerial
1699	insects
308	spend
1825	adult
74	life
2000	free
821	air
7221	swift
2709	hardly
10595	pauses
1644	flight
3545	dawn
9616	dusk
3593	summer
967	day
4241	alighting
5194	brief
6251	moments
340	nest
9708	deliver
1699	insects
21	young
735	active
74	life
345	bats
1438	certainly
12956	deserves
661	called
37451	aerial
821	air
1378	haunt
74	life
8267	conquered
429	interesting
6749	inquire
16866	conquest
6840	implied
2074	meant
74334	transcending
18694	radical
2125	difficulty
3300	terrestrial
74	life
1946	confines
1096	creatures
715	dry
274	land
2524	moving
5575	plane
935	surface
64	earth
1627	power
1644	flight
2657	brought
33855	possessors
3463	universal
2788	freedom
448	movement
635	water
293	animals
8718	enjoy
3283	watch
4100	sparrow
949	rise
821	air
3423	cat
2996	completed
14940	stealthy
6457	stalking
486	see
1644	flight
5343	implies
2584	enormous
2764	increase
2030	safety
1627	power
1644	flight
2586	opened
16403	possibilities
332	prey
4181	exploring
9172	territories
68824	prospecting
635	water
790	great
795	importance
24502	practicability
1525	placing
753	eggs
21	young
340	nest
1216	place
4323	inaccessible
2029	enemies
2119	thinks
8872	rooks
311	nests
4804	swaying
492	tree
1379	tops
9491	express
13980	climax
3024	brilliant
4530	experiment
13583	crowning
3092	advantage
9485	possibility
4441	migrating
18697	conquering
607	time
37044	circumventing
33749	arid
3593	summer
3612	severe
309	winter
18697	conquering
1057	space
450	passing
2593	quickly
1093	country
21378	girdling
17083	globe
32656	acquisitions
2074	meant
33855	possessors
1627	power
1644	flight
5527	key
3576	opening
6969	doors
2788	freedom
3379	problem
1644	flight
867	said
5254	previous
2851	chapter
3378	solved
884	times
15876	solution
2331	case
3514	solutions
4399	offered
1699	insects
3469	extinct
74522	pterodactyls
294	birds
345	bats
932	moreover
5572	pointed
2552	numerous
12272	attempts
1644	flight
656	remain
542	glorious
18220	failures
15272	notably
1571	flying
295	fishes
953	take
790	great
1109	leap
1067	hold
7856	pectoral
2784	fins
49214	taut
1571	flying
492	tree
1154	toad
8983	webbed
1706	fingers
1992	toes
838	form
5814	parachute
1571	flying
1703	lizard
54827	draco
63440	volans
2298	skin
5704	pushed
1414	greatly
7797	elongated
2513	mobile
6390	ribs
6	various
1571	flying
1572	mammals
1571	flying
7184	phalangers
1571	flying
4034	squirrels
953	take
790	great
11787	swooping
1640	leaps
492	tree
492	tree
742	wings
1083	insect
4077	hollow
3741	flattened
46065	sacs
881	grow
1040	upper
748	parts
584	sides
79	third
3730	rings
2293	region
661	called
6512	thorax
4103	worked
1439	powerful
2132	muscles
1990	supported
7201	fan
6390	ribs
74537	chitin
891	accompanied
821	air
5842	tubes
1103	blood
3959	channels
5712	nerves
1083	insect
739	body
2968	lightly
500	built
1323	perfectly
2993	aerated
1151	principle
1083	insect
1644	flight
2232	extremely
3790	rapid
1889	striking
821	air
553	means
2968	lightly
500	built
5579	elastic
742	wings
1083	insect
408	hundred
8818	strokes
742	wings
2289	hence
2643	cases
2456	familiar
13633	hum
4795	comparable
1028	scale
40	produced
3170	rapidly
23310	revolving
614	blades
36204	aeroplane
74681	propeller
1405	distance
3942	bee
74682	outfly
2869	pigeon
1699	insects
962	fly
941	easily
8021	blown
8021	blown
7640	wind
7925	dragon
738	flies
5346	bees
1394	cited
2894	examples
1699	insects
962	fly
1421	miles
6003	exceptional
1461	usual
11484	shortness
1083	insect
1644	flight
714	fact
303	man
1006	limits
443	range
1699	insects
3901	house
738	flies
3800	mosquitoes
4657	vehicles
22321	typhoid
10982	fever
22355	malaria
2205	respectively
2730	primitive
1699	insects
879	spring
1223	tails
49694	bristle
1223	tails
1725	show
905	trace
742	wings
35990	fleas
6867	lice
644	become
45574	secondarily
3718	wingless
429	interesting
1733	notice
1699	insects
962	fly
9831	lifetime
7117	namely
2446	connection
3349	mating
7048	evolution
1083	insect
3875	wing
525	remains
7734	obscure
855	probable
1699	insects
1476	run
1109	leap
5814	parachute
2765	actually
962	fly
3469	extinct
1571	flying
7243	dragons
74522	pterodactyls
5027	golden
1829	age
9176	cretaceous
10774	era
6738	disappeared
3428	leaving
8275	descendants
3261	fold
2298	skin
2432	spread
584	sides
739	body
19382	enormously
7797	elongated
1996	outermost
7195	finger
5703	regarded
7029	corresponding
7195	finger
649	continued
1532	hind
743	legs
12427	thence
3136	tail
2431	unlikely
74522	pterodactyls
962	fly
2193	weak
15513	keel
2960	breast
7188	bone
418	hand
1725	show
437	marked
21610	fusion
2928	dorsal
65018	vertebrae
1571	flying
294	birds
6266	served
1872	firm
2003	fulcrum
5022	stroke
742	wings
10039	quaint
1096	creatures
2137	varied
885	size
4100	sparrow
1256	magnificent
2432	spread
1346	feet
5623	tip
5623	tip
742	wings
1344	largest
1571	flying
1096	creatures
321	bird
15876	solution
3379	problem
1644	flight
11363	discussed
2242	separately
38937	centred
4790	feather
2162	forms
38556	coherent
20892	vane
1889	striking
821	air
74241	pterodactyl
407	bat
3875	wing
3796	web
3875	wing
74683	patagium
3796	web
417	seen
4925	front
1503	side
321	bird
3875	wing
321	bird
74683	patagium
17086	unimportant
321	bird
3875	wing
46256	evolutionary
8999	tack
7181	fore
2311	limb
5886	transformed
3297	bearing
741	feathers
1644	flight
741	feathers
915	general
4795	comparable
5110	scales
2813	reptiles
915	general
6008	transition
2798	stage
664	known
294	birds
5919	evolved
74684	bipedal
74540	dinosaur
3020	stock
4180	noticed
2089	highly
855	probable
4489	began
6742	ascent
900	taking
868	running
1640	leaps
626	ground
5708	flapping
5765	scaly
7181	fore
1533	limbs
5099	balancing
3237	kangaroo
711	fashion
2600	extended
3136	tail
2851	chapter
1541	arboreal
25590	apprenticeship
413	made
627	fine
201	art
74523	parachuting
39311	persistence
417	seen
2869	pigeon
5763	gliding
67196	dovecot
626	ground
294	birds
2558	mastery
821	air
3527	reaches
13980	climax
1008	mysterious
4363	sailing
48770	albatross
5300	vulture
6432	surely
841	remarkable
60870	locomotor
6271	triumph
7619	achieved
2745	apparent
5022	stroke
742	wings
321	bird
26256	sails
1328	half
2707	hour
607	time
7640	wind
7640	wind
10395	ship
5654	majestic
45817	spirals
66	sky
900	taking
3092	advantage
5556	currents
821	air
74336	velocities
4865	continually
2615	changing
7939	energy
1464	position
7939	energy
999	motion
7771	sinks
7939	energy
999	motion
7939	energy
1464	position
2640	rises
429	interesting
420	know
7925	dragon
738	flies
1172	able
10035	sail
3796	web
3875	wing
345	bats
17976	involves
7181	fore
1497	arm
2169	double
3261	fold
2298	skin
1030	begins
1503	side
745	neck
1300	passes
4925	front
1497	arm
27131	skips
2001	thumb
649	continued
7797	elongated
2389	palm
778	bones
1706	fingers
584	sides
739	body
1532	hind
743	legs
3136	tail
3136	tail
429	interesting
540	find
778	bones
407	bat
5697	skeleton
5421	tend
2968	lightly
500	built
294	birds
2960	breast
7188	bone
15513	keel
45318	insertion
7856	pectoral
2132	muscles
21823	solidifying
65018	vertebrae
6665	affording
294	birds
1872	firm
482	basis
3875	wing
469	action
706	similar
7024	adaptations
706	similar
6577	occurring
293	animals
813	nearly
592	related
661	called
74685	convergences
838	form
429	interesting
470	study
903	addition
7024	adaptations
407	bat
3214	shares
1571	flying
321	bird
3555	nerve
31421	endings
3875	wing
2298	skin
586	leaves
890	ears
2510	nose
407	bat
1571	flying
9616	dusk
6341	knock
1543	branches
6073	obstacles
548	say
8956	helped
11440	echoes
20927	pitched
1392	voice
3896	doubt
4956	exquisite
74667	tactility
2865	produces
2168	single
21	young
607	time
431	clear
6997	adaptation
1644	flight
7062	similarly
5295	sharp
4464	mountain
1863	top
64552	cusps
1225	teeth
4233	adapted
3705	insectivorous
345	bats
51828	crunching
1699	insects
1260	think
10697	triumphant
1644	flight
294	birds
1831	reaching
13980	climax
3963	migration
12570	marvel
736	creature
64	earth
66181	mammal
484	essentially
60552	evolve
2558	mastery
821	air
486	see
345	bats
652	repeated
7550	splendid
18220	failures
74523	parachuting
293	animals
8788	illustrate
5062	gain
7774	impression
74655	insurgence
1096	creatures
906	characteristic
11384	endeavour
2957	fuller
867	said
1725	show
4233	adapted
293	animals
2188	meet
2917	particular
1276	difficulties
1378	haunt
7684	tenant
1276	difficulties
507	limitations
3262	arising
931	afresh
9493	fitness
5322	follows
4	natural
834	therefore
587	pass
2829	frequent
2645	occurrence
366	protective
7383	resemblance
74686	camouflage
8506	mimicry
427	subject
2893	article
17123	bibliography
74687	elmhirst
293	animals
2787	shore
74688	flattely
9352	walton
1014	biology
2787	shore
9322	furneaux
74	life
2793	ponds
3186	streams
74689	hickson
246	story
74	life
9175	seas
43972	fauna
1860	deep
65	sea
51258	johnstone
74	life
65	sea
8578	cambridge
9274	manual
392	science
66206	miall
3298	aquatic
1699	insects
17980	murray
322	sir
128	john
3229	ocean
188	university
23	library
17980	murray
322	sir
128	john
74690	hjort
1355	dr
7814	depths
3229	ocean
74691	newbigin
74	life
65	sea
2787	shore
74692	pycraft
5	history
294	birds
74693	scharff
5	history
1305	european
43972	fauna
74694	contemp
29630	sci
951	series
17917	thomson
19283	arthur
296	wonder
74	life
4014	haunts
74	life
254	iv
3075	struggle
844	existence
67	animal
321	bird
8506	mimicry
8523	disguise
32139	sec
67	animal
3376	discovers
4265	observing
1214	carefully
1827	ten
7821	unseen
1993	partly
293	animals
3525	burrow
626	ground
919	get
530	things
2516	dark
7230	corners
661	called
74695	cryptozoic
21762	elusive
1993	partly
293	animals
640	put
8523	disguise
1601	acquired
3023	garment
57824	invisibility
733	common
293	animals
1787	occurs
2162	forms
5627	degrees
1765	reason
876	why
733	common
3075	struggle
844	existence
8088	keen
8492	reasons
876	why
3075	struggle
844	existence
8088	keen
2424	tendency
1801	population
293	animals
1731	especially
1788	low
2069	degree
714	fact
11270	scheme
439	nature
17976	involves
2890	nutritive
5878	chains
3697	successive
54755	incarnations
67	animal
6910	depending
966	food
1476	run
447	plants
5042	thirdly
6448	vigorous
67	animal
1664	bit
74696	hustler
1510	given
74655	insurgence
10299	sticking
10429	elbows
5956	fourth
790	great
1765	reason
3075	struggle
844	existence
7117	namely
2829	frequent
74697	changefulness
6151	physical
22214	environment
5484	forces
293	animals
579	answer
872	die
8492	reasons
733	common
892	assumption
802	sort
8523	disguise
67	animal
2096	sense
52424	weakling
6869	advantageous
8501	inconspicuous
1930	resting
900	taking
1237	care
21	young
3379	problem
7048	evolution
74199	elusiveness
5261	depends
798	likeness
4666	surroundings
366	protective
7383	resemblance
502	objects
2041	highest
3527	reaches
8506	mimicry
9916	colour
16695	permanently
4666	surroundings
293	animals
3891	sandy
1184	places
3104	light
239	brown
9916	colour
417	seen
2812	lizards
347	snakes
880	green
1703	lizard
2416	grass
880	green
492	tree
362	snake
8501	inconspicuous
1543	branches
3879	spotted
4023	leopard
10092	suited
4012	interrupted
3104	light
2580	forest
490	tell
1565	where
8476	jungle
610	ends
7865	striped
3641	tiger
1030	begins
2331	case
8335	hare
21185	partridge
986	sitting
3314	yards
3685	ploughed
164	field
9135	donkey
44409	grazing
9616	dusk
1443	readily
1404	heard
417	seen
4530	experiment
413	made
69155	tethering
880	green
4463	variety
10802	praying
8738	mantis
880	green
1840	herbage
8367	fastening
3637	silk
3011	threads
1157	escape
1733	notice
294	birds
239	brown
4463	variety
12079	tethered
5523	withered
1840	herbage
880	green
938	ones
640	put
239	brown
447	plants
239	brown
938	ones
880	green
447	plants
294	birds
2824	pick
7062	similarly
2856	chickens
164	field
411	white
410	black
834	therefore
2922	conspicuous
3879	spotted
8501	inconspicuous
1665	picked
4102	crows
3879	spotted
537	proportion
2734	mortality
25852	fortuitous
3896	doubt
3273	pays
67	animal
2450	habitual
4666	surroundings
820	piece
3995	scenery
67	animal
2524	moving
1215	safe
548	say
648	process
607	time
1670	wide
20444	departures
11487	safest
21605	coloration
4291	wiped
954	course
439	nature
3108	ceaseless
15568	sifting
15774	credulous
69049	cautions
2442	borne
2443	mind
67	animal
4666	surroundings
1816	protection
6840	implied
7980	arrow
351	worms
65	sea
431	clear
3152	glass
65	sea
293	animals
5393	tissues
3088	watery
7817	specific
5760	gravity
896	salt
635	water
57824	invisibility
7581	swallowed
712	larger
293	animals
5268	gather
606	harvest
65	sea
39515	cleverer
293	animals
3241	looks
736	creature
4809	sought
1857	spot
1565	where
8501	inconspicuous
4717	spider
1216	place
2221	middle
6278	patch
45358	lichen
1565	where
3422	self
58110	effacement
4774	complete
5216	comfortable
36207	safer
1994	rest
4666	surroundings
915	general
9916	colour
67	animal
739	body
295	fishes
1653	live
44283	coral
9330	reefs
1623	startling
3024	brilliant
21605	coloration
8704	patterns
2177	explain
1263	suggested
295	fishes
1215	safe
74698	mazy
6126	passages
23231	endless
15798	nooks
9330	reefs
1126	afford
7880	wear
9916	colour
4661	suits
1948	constitution
2643	cases
415	naturalists
640	put
49509	diving
1117	suit
1757	walked
44283	coral
282	told
958	kind
355	fish
1944	particularly
10092	suited
2917	particular
1216	place
10092	suited
12558	midday
558	work
1025	others
165	evening
558	work
802	sort
4005	box
37554	cox
2496	arrangement
295	fishes
68651	utilise
7134	corner
884	times
288	illustration
10802	praying
8738	mantis
8738	mantis
47599	religiosa
4090	voracious
1083	insect
3528	quiet
16223	unobtrusive
1615	appearance
1853	holds
1694	formidable
6491	forelegs
1564	attitude
8997	prayer
1574	movements
1818	slow
14940	stealthy
8414	suggestion
334	leaf
74699	forewing
1765	reason
9561	credit
736	creature
6727	conscious
14668	guile
288	illustration
366	protective
21605	coloration
309	winter
2673	scene
2278	north
23466	scandinavia
2301	showing
925	variable
8335	hare
8202	willow
3833	grouse
8336	arctic
4088	fox
411	white
309	winter
8501	inconspicuous
3937	snow
411	white
3352	dress
3352	dress
22387	physiologically
3339	loses
67	animal
3441	heat
288	illustration
925	variable
17732	monitor
74269	varanus
51203	monitors
1344	largest
1138	existing
2812	lizards
3470	australian
1330	species
595	represented
17163	photograph
21533	attaining
1758	length
1346	feet
239	brown
9916	colour
402	yellow
3651	spots
1714	spite
885	size
2922	conspicuous
69862	backgrounds
3417	bark
492	tree
32139	sec
1642	gradual
889	change
9916	colour
733	common
2787	shore
8572	crab
2201	shows
3038	colours
74700	mottlings
1731	especially
21	young
880	green
10211	grey
3760	red
239	brown
1144	forth
4417	admirable
5483	adjustment
9916	colour
3146	rock
3952	pool
1565	where
5700	experiments
1641	require
6069	extension
807	shown
8572	crab
6808	moulted
21	young
9916	colour
580	tends
40102	harmonise
915	general
9916	colour
487	rocks
38504	seaweed
2657	brought
420	know
9916	colour
1125	seem
889	change
8428	moult
1765	reason
498	full
2810	grown
2787	shore
8572	crab
1172	able
1851	look
444	interest
1733	notice
834	therefore
4463	variety
21605	coloration
3180	mainly
2142	individuals
954	course
3401	secure
1464	position
932	moreover
7383	resemblance
4666	surroundings
6965	admits
1660	successful
3466	hunting
1458	enabling
8572	crab
953	take
5454	victim
15827	unawares
200	professor
8699	poulton
5700	experiments
4459	caterpillars
4006	tortoise
3925	butterfly
4359	showed
410	black
4666	surroundings
67686	pupae
5421	tend
1387	darker
411	white
4666	surroundings
5915	lighter
16242	gilded
10724	boxes
5027	golden
2643	cases
851	appears
4147	surrounding
9916	colour
6037	affects
4459	caterpillars
2298	skin
3529	sensitive
2772	period
100	twenty
668	hours
2436	preceding
1609	twelve
668	hours
3409	larval
1032	state
1363	result
5421	tend
473	make
3665	quiescent
67686	pupae
2922	conspicuous
5292	critical
607	time
6708	metamorphosis
1022	physiology
22495	sympathetic
39969	colouring
525	remains
7734	obscure
40768	seasonal
889	change
39969	colouring
8338	ptarmigan
8374	moults
884	times
2658	year
3593	summer
4289	plumage
74701	grouselike
1205	good
434	deal
63473	rufous
239	brown
762	becomes
10211	grey
3570	autumn
741	feathers
309	winter
4289	plumage
411	white
548	say
1207	develop
41487	pigment
2552	numerous
923	gas
6058	bubbles
3551	cells
3896	doubt
411	white
309	winter
4289	plumage
1961	makes
8338	ptarmigan
8501	inconspicuous
3937	snow
2637	comes
1346	feet
8583	crouching
321	bird
1751	seeing
3023	garment
57824	invisibility
4275	hungry
1740	eyes
5027	golden
5032	eagles
7062	similarly
239	brown
63679	stoat
762	becomes
411	white
8339	ermine
3180	mainly
298	growth
1117	suit
411	white
7282	fur
4464	mountain
8335	hare
8339	ermine
411	white
410	black
5623	tip
3136	tail
4464	mountain
8335	hare
309	winter
3352	dress
411	white
410	black
6870	tips
890	ears
2643	cases
1731	especially
4464	mountain
8335	hare
1193	seems
2143	individual
2512	hairs
1697	turn
411	white
6045	loss
41487	pigment
1798	occur
303	man
1123	according
22225	metchnikoff
3813	wandering
74422	amoeboid
3551	cells
739	body
661	called
60420	phagocytes
3906	creep
2512	hairs
1070	come
1188	microscopic
6402	burdens
41487	pigment
1216	place
41487	pigment
976	taken
923	gas
6058	bubbles
6065	causes
10988	whiteness
293	animals
411	white
41487	pigment
411	white
9916	colour
3937	snow
11714	foam
384	due
4774	complete
6583	reflection
3104	light
602	innumerable
673	minute
7223	surfaces
1011	crystals
6058	bubbles
288	illustration
35411	photo
74235	berridge
6161	banded
74270	krait
8452	poisonous
362	snake
11940	alternating
402	yellow
2516	dark
2551	bands
2922	conspicuous
5879	serve
288	illustration
8703	warning
21605	coloration
548	say
1889	striking
21605	coloration
2002	serves
17421	advertisement
14422	impressing
1096	creatures
714	fact
6161	banded
74270	krait
23404	unprofitable
362	snake
3991	waste
7593	venom
1096	creatures
2801	want
288	illustration
74271	photos
74235	berridge
61512	warty
7984	chameleon
1040	upper
17163	photograph
2201	shows
61512	warty
7984	chameleon
8510	inflated
2922	conspicuous
607	time
9415	compressed
739	body
4705	adjusted
21605	coloration
67	animal
8501	inconspicuous
1879	lower
17163	photograph
2201	shows
2079	sudden
61561	protrusion
1077	tongue
962	fly
288	illustration
40768	seasonal
9916	colour
889	change
3593	summer
2673	scene
2278	north
23466	scandinavia
2301	showing
239	brown
925	variable
8335	hare
8202	willow
3833	grouse
8336	arctic
4088	fox
8501	inconspicuous
21605	coloration
417	seen
4	natural
4666	surroundings
4464	mountain
8335	hare
1157	escape
4088	fox
1443	readily
10988	whiteness
1961	makes
8501	inconspicuous
13155	background
3937	snow
884	times
417	seen
736	creature
2284	standing
15048	target
2516	dark
44677	moorland
7326	cuts
446	ways
8339	ermine
2029	enemies
9261	gamekeeper
309	winter
10988	whiteness
1220	help
13425	sneak
5905	victims
3833	grouse
8334	rabbit
3937	snow
626	ground
2643	cases
2219	probability
32094	constitutional
22429	rhythm
1013	leads
411	white
1821	hair
309	winter
23405	fostered
604	fixed
1765	reason
1812	apart
1816	protection
714	fact
3454	warm
1061	blooded
736	creature
321	bird
66181	mammal
22387	physiologically
3352	dress
411	white
56350	radiation
3323	precious
67	animal
3441	heat
411	white
4289	plumage
411	white
44815	pelage
9916	colour
11549	quality
3454	warm
38959	bloodedness
33445	prerogative
294	birds
1572	mammals
553	means
739	body
1462	keeps
3137	constant
985	temperature
967	day
1864	night
2658	year
2658	year
1531	effected
6994	automatic
3013	internal
33131	adjustments
23726	regulate
1003	supply
3441	heat
767	chiefly
2132	muscles
6045	loss
3441	heat
767	chiefly
2298	skin
1037	lungs
86	chief
795	importance
3013	internal
3441	heat
7095	facilitates
2134	smooth
23277	continuance
806	chemical
4003	processes
74	life
5261	depends
985	temperature
6520	falls
3667	hibernating
1572	mammals
3454	warm
38959	bloodedness
8027	imperfect
2243	rate
1158	vital
648	process
15499	slowed
32675	dangerously
659	thus
486	see
411	white
2947	coat
15234	helps
74	life
736	creature
32139	sec
3790	rapid
9916	colour
889	change
2190	bony
1789	flat
295	fishes
67606	plaice
1554	sole
841	remarkable
1627	power
12492	adjusting
7876	hue
2992	pattern
4147	surrounding
7718	gravel
927	sand
1242	difficult
540	find
420	know
1301	admitted
1473	quick
919	get
6717	sprinkling
927	sand
68229	upturned
1503	side
1740	eyes
2301	showing
3896	doubt
20251	exactness
23727	adjust
820	piece
9793	substratum
3275	lie
1006	limits
19309	experimental
539	conditions
750	placed
4942	artificial
1491	floor
295	fishes
2391	palatable
4809	sought
2029	enemies
5207	cormorants
60165	otters
2089	highly
1627	power
3422	self
58110	effacement
17092	saves
74	life
1531	effected
4238	minutes
2643	cases
673	minute
3422	self
38813	effacing
1789	flat
295	fishes
420	know
1682	precision
3244	happens
5483	adjustment
9916	colour
2992	pattern
384	due
952	changes
885	size
830	shape
1464	position
2513	mobile
41487	pigment
3551	cells
74702	chromatophores
2298	skin
1961	makes
41487	pigment
3551	cells
889	change
714	fact
6082	blind
1789	flat
355	fish
889	change
9916	colour
695	gives
839	part
579	answer
9916	colour
2992	pattern
4666	surroundings
1959	affect
1315	eye
9864	message
266	travels
49421	optic
3555	nerve
6088	brain
6088	brain
2785	instead
450	passing
22117	spinal
3865	cord
9864	message
266	travels
8270	chain
22495	sympathetic
61071	ganglia
1300	passes
5712	nerves
2637	comes
22117	spinal
3865	cord
10178	control
2298	skin
659	thus
9864	message
3527	reaches
9916	colour
3551	cells
2298	skin
1214	carefully
2848	read
4263	lines
1789	flat
355	fish
8068	slipped
41242	gyges
1424	ring
644	become
5816	invisible
1627	power
3790	rapid
9916	colour
889	change
417	seen
74538	cuttlefishes
1565	where
2744	expression
3558	nervous
3033	excitement
15234	helps
4321	conceal
1787	occurs
45924	subtlety
55152	aesop
74703	prawn
59776	hippolyte
239	brown
239	brown
38504	seaweed
880	green
65	sea
49286	lettuce
65	sea
2416	grass
3760	red
3760	red
38504	seaweed
2123	extensive
55032	repertory
1123	according
439	nature
13155	background
200	professor
23736	gamble
5247	writes
20322	mixture
22024	pigments
17366	compounded
838	form
19069	reproduction
9916	colour
2992	pattern
7748	sweep
17044	shrimp
52	net
8371	detaches
36094	battalion
5663	sleeping
68063	prawns
1697	turn
28215	motley
16940	dish
13	give
3045	choice
38504	seaweed
4463	variety
958	kind
7287	select
5034	agrees
9916	colour
24638	vanish
21	young
498	full
2810	grown
55152	aesop
74703	prawn
878	takes
9916	colour
3353	immediate
4666	surroundings
5231	nightfall
59776	hippolyte
9916	colour
952	changes
1166	transparent
51396	azure
4422	blue
74704	stolidity
695	gives
1216	place
3558	nervous
11525	restlessness
16086	tremor
1640	leaps
5676	violently
8025	swims
3547	actively
966	food
621	plant
4422	blue
1878	fit
4794	lasts
5467	daybreak
2808	succeeded
74703	prawn
7403	diurnal
7281	tint
659	thus
200	professor
23736	gamble
2806	continues
9916	colour
67	animal
9491	express
3558	nervous
22429	rhythm
288	illustration
35411	photo
10169	ward
366	protective
7383	resemblance
4470	hawk
3642	moth
4941	settled
1596	branch
1242	difficult
5497	detect
525	remains
6522	stationary
382	note
841	remarkable
3983	sucking
1077	tongue
1735	twice
1758	length
739	body
1077	tongue
2593	quickly
3630	coiled
640	put
1218	safely
1879	lower
839	part
747	head
288	illustration
259	days
359	old
21	young
45386	bittern
1149	begin
3761	strike
1564	attitude
1203	parents
2545	thrusting
5589	bills
5675	upwards
1929	drawing
718	bodies
1957	resemble
3557	bunch
5030	reeds
1896	soft
5425	browns
4422	blue
20380	greens
40102	harmonise
3648	dull
45363	sheaths
21	young
5030	reeds
51129	nestling
45386	bittern
659	thus
1628	completely
74705	camouflaged
2331	case
74706	chameleons
2041	highest
1456	level
3790	rapid
9916	colour
889	change
1787	occurs
2812	lizards
3824	finest
15198	exhibition
74706	chameleons
10039	quaint
1096	creatures
906	characteristic
1270	africa
1798	occur
74707	andalusia
17372	arabia
18231	ceylon
4097	southern
7284	india
4233	adapted
74	life
1377	trees
1565	where
5133	hunt
1699	insects
790	great
74708	deliberateness
3052	success
74709	protrusible
1077	tongue
744	ending
654	sticky
4354	club
1164	shot
3980	seven
1345	inches
733	common
7984	chameleon
643	hands
1346	feet
7730	split
2080	grip
1543	branches
5938	firmly
64416	prehensile
3136	tail
17306	rivals
21252	monkey
6119	wish
473	make
8057	slim
24481	contracting
739	body
1503	side
1503	side
1443	readily
417	seen
2364	circumstances
9001	practise
3422	self
58110	effacement
10747	reverse
67235	inflate
718	bodies
1037	lungs
821	air
46065	sacs
2446	connection
1410	throat
49322	bulges
739	body
37489	sways
1503	side
1503	side
736	creature
19566	expresses
15171	sentiments
8143	hiss
1627	power
9916	colour
889	change
841	remarkable
5261	depends
1993	partly
7992	contraction
2128	expansion
9916	colour
3551	cells
74702	chromatophores
2298	skin
74710	dermis
1993	partly
1903	packed
41088	refractive
23517	granules
1011	crystals
3991	waste
19308	product
661	called
74711	guanin
55032	repertory
3038	colours
733	common
7984	chameleon
731	greater
67	animal
55152	aesop
74703	prawn
11581	legend
7984	chameleon
239	brown
239	brown
4005	box
880	green
880	green
4005	box
4422	blue
4422	blue
4005	box
1691	died
640	put
4715	lined
56082	tartan
3896	doubt
67	animal
1670	wide
443	range
3038	colours
661	called
7984	chameleon
74712	anolis
2278	north
1254	america
3529	sensitive
450	passing
6292	cloud
1961	makes
889	change
7968	emerald
7876	hue
3896	doubt
7984	chameleon
473	make
8501	inconspicuous
2615	changing
9916	colour
5522	affected
5809	play
3104	light
1740	eyes
1095	bright
880	green
7876	hue
417	seen
986	sitting
800	strongly
51858	illumined
880	green
586	leaves
9916	colour
952	changes
607	time
967	day
67	animal
16021	moods
2079	sudden
7344	irritation
2739	bring
3790	rapid
889	change
2643	cases
7728	transformation
2637	comes
945	gradually
9916	colour
889	change
19566	expresses
7984	chameleon
7233	feelings
894	compared
38217	blushing
384	due
2128	expansion
7530	arteries
401	face
4928	allowing
1103	blood
919	get
60412	capillaries
2298	skin
2331	case
7984	chameleon
7348	peculiarly
429	interesting
67	animal
2013	kinds
4781	tactics
3422	self
58110	effacement
418	hand
74713	bluffing
3896	doubt
1627	power
9916	colour
889	change
33247	justifies
2560	driving
32739	intruders
1355	dr
35799	cyril
74714	crossland
2202	observed
7984	chameleon
2035	attacked
4088	fox
16854	terrier
2295	turned
2586	opened
790	great
16144	pink
749	mouth
401	face
6175	advancing
2093	dog
607	time
3170	rapidly
2615	changing
9916	colour
3504	becoming
410	black
26774	ruse
2808	succeeded
607	time
2093	dog
5070	turning
4	natural
1880	leafy
4666	surroundings
1623	startling
5087	effect
731	greater
2079	sudden
1972	throwing
5515	mantle
57824	invisibility
21295	exposure
2922	conspicuous
410	black
739	body
3760	red
749	mouth
32139	sec
798	likeness
530	things
1355	dr
5440	forbes
3091	tells
1789	flat
4717	spider
7591	presents
1889	striking
7383	resemblance
321	bird
1182	dropping
334	leaf
436	years
670	found
2406	watching
2580	forest
4279	east
1315	eye
6165	fell
334	leaf
7866	blotched
321	bird
9033	wondered
12330	idly
876	why
417	seen
2091	specimen
321	bird
1182	dropping
4717	spider
74715	ornithoscatoides
8607	decipiens
5611	drew
334	leaf
1605	instantaneously
3274	got
906	characteristic
5295	sharp
16468	nip
4717	spider
9916	colour
7383	resemblance
23646	enhanced
838	form
7383	resemblance
288	illustration
366	protective
21605	coloration
74272	camouflaging
1638	giving
293	animals
3023	garment
57824	invisibility
1482	foot
8582	plate
74716	nightjar
4289	plumage
3417	bark
50541	withering
586	leaves
1930	resting
1596	branch
807	shown
7984	chameleon
880	green
15502	phase
880	green
4666	surroundings
1699	insects
5030	reeds
3185	locusts
880	green
1029	frog
11102	merged
4666	surroundings
1953	rests
334	leaf
1907	centre
1863	top
6953	picture
699	example
366	protective
21605	coloration
74686	camouflage
2787	shore
2673	scene
2301	showing
3118	trout
3952	pool
5816	invisible
13155	background
4534	stone
5225	curlews
1825	adult
21	young
8501	inconspicuous
1156	stones
5054	beach
876	why
9519	profit
4717	spider
321	bird
1182	dropping
5260	thereby
8785	escapes
1663	attention
9485	possibility
1193	seems
3659	butterflies
797	allied
37468	blues
2660	attracted
74717	excrementitious
424	material
4717	spider
1355	dr
5440	forbes
2202	observed
2765	actually
1657	caught
5454	victim
2442	borne
2405	recent
1537	observation
1355	dr
5945	carpenter
670	found
23033	uganda
3846	bug
796	closely
1398	resembling
321	bird
1182	dropping
927	sand
3846	bug
2765	actually
4941	settled
321	bird
1182	dropping
927	sand
1657	caught
4422	blue
3925	butterfly
2576	came
2821	feed
1513	walking
1985	stick
1699	insects
5238	belonging
534	order
5204	crickets
3614	grasshoppers
3832	orthoptera
739	body
7797	elongated
1005	narrow
2607	thin
715	dry
1596	branch
10299	sticking
1533	limbs
10518	abrupt
19760	diverse
5576	angles
1961	makes
7383	resemblance
1906	twigs
815	indeed
10039	quaint
1699	insects
1994	rest
967	day
841	remarkable
479	habit
4351	putting
802	sort
74718	kataleptic
1032	state
1096	creatures
1697	turn
3620	stiff
919	get
6573	shock
587	pass
1099	suddenly
4666	surroundings
927	sand
23288	hoppers
1090	lay
2389	palm
418	hand
4210	twig
1699	insects
640	put
305	strange
1032	state
739	body
10624	rocked
1503	side
1503	side
607	time
53117	stiffens
3092	advantage
4220	surprised
321	bird
1703	lizard
1172	able
8980	betray
16086	tremor
8523	disguise
1058	perfected
841	remarkable
479	habit
479	habit
1013	leads
1260	think
951	series
446	ways
3315	lying
1788	low
6149	saying
74	life
39783	preserving
463	value
1863	top
612	end
951	series
417	seen
4088	fox
5481	plays
3747	possum
334	leaf
3925	butterfly
74273	kallima
8332	conspicuously
3288	coloured
1040	upper
935	surface
5523	withered
334	leaf
4132	settles
2201	shows
1503	side
742	wings
4478	precise
838	form
7383	resemblance
68064	nervures
742	wings
8395	rib
1503	side
7529	veins
334	leaf
503	touch
6148	perfection
1510	given
2287	presence
686	whitish
3651	spots
1851	look
2153	exactly
21568	discolorations
40	produced
4484	lichens
586	leaves
359	old
6902	entomologist
390	mr
74719	jenner
17919	weir
7236	confessed
4611	repeatedly
21212	pruned
3617	caterpillar
4515	bush
4328	mistake
34154	superfluous
4210	twig
3759	brownish
4459	caterpillars
6110	fasten
1514	posterior
67487	claspers
5816	invisible
2907	thread
3637	silk
749	mouth
0	project
1596	branch
4210	twig
6022	angle
1083	insect
6951	image
5295	sharp
74720	prickle
820	piece
1896	soft
4122	moss
4717	spider
1851	look
2409	precisely
1147	tiny
8648	knob
1596	branch
6143	fragment
45358	lichen
65	sea
2741	horses
74721	phyllopteryx
74644	frond
52759	tassels
6	various
748	parts
739	body
3241	looks
23628	extraordinarily
65710	seaweeds
1002	lives
2643	cases
337	spiders
807	shown
293	animals
366	protective
7383	resemblance
2776	else
1173	seek
1464	position
1565	where
7383	resemblance
3091	tells
13394	urgent
474	observations
3297	bearing
6819	selection
22214	environment
32139	sec
8506	mimicry
2096	sense
3244	happens
1216	place
2830	groups
293	animals
813	nearly
592	related
37358	doubles
5211	investigation
2201	shows
2376	members
2846	group
3596	majority
2204	specially
4228	protected
8505	unpalatable
8730	mimicked
2376	members
2846	group
14378	minority
3274	got
1816	protection
1393	possessed
1025	others
67962	mimickers
7383	resemblance
954	course
856	associated
6727	conscious
2884	imitation
6055	theory
67962	mimickers
1653	live
5398	reputation
8730	mimicked
8730	mimicked
294	birds
5398	reputation
74722	unpalatability
1172	able
6323	sting
67962	mimickers
2732	survive
2391	palatable
67290	stingless
2415	succeed
528	virtue
7383	resemblance
8730	mimicked
6673	mistaken
2643	cases
8724	mimetic
7383	resemblance
1889	striking
6304	subtle
1193	seems
1579	impossible
3896	doubt
481	thing
918	works
2643	cases
12164	fetched
1026	somewhat
439	nature
11088	coincidences
659	thus
390	mr
6189	bates
3091	tells
4611	repeatedly
1164	shot
324	humming
321	bird
3918	moths
4328	mistake
324	humming
294	birds
1260	think
1205	good
288	illustration
8506	mimicry
2643	cases
3178	forthcoming
7117	namely
19309	experimental
1238	evidence
8505	unpalatable
8730	mimicked
3659	butterflies
730	relative
4903	peace
706	similar
2391	palatable
3659	butterflies
15553	persecuted
485	necessary
1725	show
67962	mimickers
2765	actually
4876	consort
8730	mimicked
3654	beetles
3918	moths
6933	curiously
74723	wasplike
790	great
3092	advantage
733	common
6018	drone
962	fly
55438	superficially
3942	bee
3753	harmless
347	snakes
8452	poisonous
1330	species
390	mr
323	wallace
6896	maintained
1439	powerful
15409	friar
294	birds
4279	east
8730	mimicked
2193	weak
3250	timid
5374	orioles
2940	model
8505	unpalatable
37119	repulsive
8447	dangerous
6646	mimic
10747	reverse
8506	mimicry
661	called
74724	batesian
390	mr
6189	bates
958	kind
8506	mimicry
661	called
74725	muellerian
31999	fritz
31607	mueller
1565	where
6646	mimic
8505	unpalatable
6055	theory
2331	case
8506	mimicry
2002	serves
4187	mutual
12921	assurance
2376	members
1424	ring
3360	getting
12926	consistently
2590	presenting
1615	appearance
1070	come
2725	mean
2029	enemies
3886	signal
74726	noli
74727	tangere
2026	leave
577	question
6055	theory
971	requires
976	taken
5292	critical
4360	spirit
1013	leads
1260	think
8703	warning
3038	colours
583	opposite
3594	disguises
2449	studying
1096	creatures
4606	skunks
5355	magpies
44283	coral
347	snakes
74728	cobras
7911	brightly
3288	coloured
492	tree
299	frogs
51270	obtrusive
21762	elusive
6055	theory
357	alfred
22742	russel
323	wallace
8881	flaunting
15146	conspicuousness
2002	serves
5124	useful
17421	advertisement
14422	impressing
15820	memories
11891	inexperienced
2029	enemies
3167	learn
2026	leave
1096	creatures
8703	warning
3038	colours
2331	case
4597	plain
67	animal
1215	safe
331	wasp
44283	coral
362	snake
1126	afford
7880	wear
1117	suit
8074	clothes
16488	likes
288	illustration
873	dead
334	leaf
3925	butterfly
74273	kallima
74274	inachis
7284	india
2922	conspicuous
1040	upper
935	surface
4132	settles
4210	twig
2201	shows
5804	underside
742	wings
2766	practically
5816	invisible
39969	colouring
935	surface
742	wings
50541	withering
334	leaf
3651	spots
74729	fungas
3651	spots
74730	venation
742	wings
6154	suggests
8395	rib
7529	veins
334	leaf
2301	showing
1040	upper
935	surface
2301	showing
935	surface
334	leaf
288	illustration
366	protective
7383	resemblance
4717	spider
339	ant
336	ants
7231	dreaded
12100	profitable
4717	spider
339	ant
4294	noted
4717	spider
3738	pairs
743	legs
6885	feelers
339	ant
3738	pairs
743	legs
2762	pair
6885	feelers
288	illustration
35411	photo
10169	ward
331	wasp
3758	beetle
2524	moving
1543	branches
695	gives
331	wasp
7774	impression
288	illustration
15688	hermit
8572	crab
2975	partner
65	sea
74275	anemones
15688	hermit
64351	crabs
2038	hide
1896	soft
3136	tail
74593	whelk
65	sea
8746	snail
15688	hermit
64351	crabs
1216	place
65	sea
74275	anemones
2435	borrowed
65	sea
74275	anemones
11766	mask
15688	hermit
8572	crab
8482	tentacles
6323	sting
65	sea
74275	anemones
3238	carried
15688	hermit
8572	crab
919	get
11388	crumbs
5283	table
958	kind
8740	mutually
3880	beneficial
2146	external
21028	partnership
661	called
74633	commensalism
4036	eating
5283	table
288	illustration
35411	photo
74276	duffus
4554	cuckoo
15201	spit
411	white
119	mass
1907	centre
6953	picture
49528	soapy
28147	froth
21	young
1029	frog
20914	hopper
1961	makes
468	lies
1215	safe
3441	heat
1921	sun
2029	enemies
33876	sojourning
607	time
4554	cuckoo
15201	spit
1029	frog
20914	hopper
762	becomes
3830	winged
1083	insect
69077	masking
16546	episode
20454	scottish
5	history
661	called
1513	walking
786	wood
74731	birnam
6175	advancing
8923	troop
37131	masked
1469	approach
335	cutting
1543	branches
1377	trees
11263	counterpart
7142	countries
7365	enacted
1796	seashore
2013	kinds
64351	crabs
640	put
8523	disguise
3241	looks
74708	deliberateness
927	sand
8572	crab
878	takes
820	piece
38504	seaweed
74732	nibbles
612	end
3415	rubs
67409	carapace
743	legs
4572	fixes
8009	bristles
38504	seaweed
2806	continues
1653	live
8572	crab
3602	garden
38962	masks
8572	crab
439	nature
5845	effective
74272	camouflaging
8572	crab
2806	continues
881	grow
8428	moult
553	means
5326	losing
8523	disguise
485	necessary
473	make
8572	crab
2787	shore
7029	corresponding
5398	reputation
548	say
293	animals
2751	clearly
9950	dimly
2224	aware
8572	crab
4090	voracious
74733	combative
736	creature
5124	useful
8572	crab
1615	appearance
51603	cloaked
298	growth
11157	innocent
38504	seaweed
7444	sponge
67635	zoophyte
3127	enable
736	creature
13425	sneak
5905	victims
1157	escape
1663	attention
2029	enemies
1005	narrow
48144	beaked
8572	crab
5791	cleaned
11728	artificially
4159	proceed
16755	clothe
479	habit
644	become
6191	instinctive
1301	admitted
2917	particular
8572	crab
1881	prefers
2917	particular
958	kind
38504	seaweed
3352	dress
1916	cover
6467	unsuitable
2922	conspicuous
424	material
777	pieces
3288	coloured
638	cloth
423	available
8523	disguise
8723	differs
1414	greatly
8572	crab
37131	masked
7911	brightly
3288	coloured
8505	unpalatable
7444	sponge
43282	densely
1903	packed
13217	flinty
4161	needles
7326	cuts
28242	tunic
65	sea
65418	squirt
1650	throws
2494	shoulders
74734	trundles
67488	bivalve
1651	facts
8404	recall
2456	familiar
2331	case
15688	hermit
8572	crab
8781	protects
1896	soft
3136	tail
56043	tucking
3805	empty
8412	periwinkle
74593	whelk
65	sea
8746	snail
2331	case
1013	leads
16541	elaboration
664	known
74633	commensalism
1565	where
15688	hermit
8572	crab
4572	fixes
65	sea
74275	anemones
2435	borrowed
3901	house
3092	advantage
69077	masking
65	sea
74220	anemone
6323	sting
5124	useful
11549	quality
2975	partner
3092	advantage
644	become
3217	main
1618	evident
2643	cases
1565	where
65	sea
74220	anemone
2442	borne
8736	weapon
67826	crustacean
790	great
4078	claws
932	moreover
2481	term
74633	commensalism
4036	eating
5283	table
6154	suggests
21028	partnership
8740	mutually
3880	beneficial
65	sea
74220	anemone
3238	carried
15688	hermit
8572	crab
2632	doubtless
1925	gets
1141	share
11388	crumbs
2975	partner
2829	frequent
3330	meals
429	interesting
74735	sidelight
4187	mutual
5125	benefit
2331	case
45540	dislodged
65	sea
74220	anemone
14920	sulked
4296	waited
1032	state
74736	preparedness
15688	hermit
8572	crab
2076	passed
5705	touched
12230	whereupon
65	sea
74220	anemone
7611	gripped
1833	slowly
4103	worked
32139	sec
2013	kinds
74199	elusiveness
6	various
2013	kinds
8523	disguise
1443	readily
21176	classified
8923	troop
71814	cuttlefish
7098	swimming
65	sea
541	beautiful
3311	sight
823	keep
607	time
1574	movements
1725	show
889	change
9916	colour
1087	moment
1099	suddenly
2035	attacked
17047	shark
2637	comes
17118	simultaneous
6979	discharge
64529	sepia
7982	ink
16719	bags
7986	clouds
7982	ink
431	clear
635	water
200	professor
74689	hickson
5954	puts
74538	cuttlefishes
2694	thrown
7105	dust
1740	eyes
2029	enemies
486	see
34079	newborn
71814	cuttlefish
673	minute
8785	escapes
683	egg
541	beautiful
294	birds
733	common
8900	chaffinch
8523	disguise
340	nest
4122	moss
45358	lichen
11471	trifles
74737	felted
12837	cradle
8501	inconspicuous
1193	seems
503	touch
201	art
8367	fastening
777	pieces
4717	spider
3796	web
340	nest
1918	curious
2331	case
492	tree
12323	sloth
2627	south
1268	forests
1455	walks
1833	slowly
6519	downwards
6180	undersides
1543	branches
1591	hanging
1991	curved
1706	fingers
1992	toes
6303	nocturnal
67	animal
834	therefore
1470	danger
1930	resting
967	day
5816	invisible
9065	shaggy
1821	hair
4484	lichens
4729	growths
1543	branches
366	protective
7383	resemblance
23646	enhanced
2287	presence
880	green
74738	alga
2765	actually
1002	lives
935	surface
12323	sloth
2512	hairs
74738	alga
1961	makes
492	tree
2987	stems
11852	gate
19828	posts
880	green
3785	damp
3693	weather
20187	commoner
3311	sight
3593	summer
4554	cuckoo
15201	spit
4046	grasses
1840	herbage
5129	wayside
2922	conspicuous
867	said
1686	severely
1096	creatures
8523	disguise
802	sort
1730	soap
413	made
1545	activity
1029	frog
23288	hoppers
3718	wingless
3409	larval
2798	stage
1149	begin
2786	hop
1083	insect
47406	pierces
5295	sharp
749	mouth
748	parts
2298	skin
621	plant
24290	sucks
5491	sweet
21175	sap
53604	overflows
739	body
918	works
739	body
884	times
10902	whipping
821	air
24344	mixes
28691	sugary
21175	sap
15755	reminding
15685	whipped
683	egg
413	made
28691	sugary
21175	sap
821	air
21957	ferment
966	food
5613	canal
5856	wax
7171	glands
2298	skin
530	things
633	mixed
473	make
958	kind
1730	soap
4794	lasts
3441	heat
967	day
20270	modes
8523	disguise
1172	able
8788	illustrate
815	indeed
14653	biggest
714	fact
520	brings
1581	idea
74	life
914	easy
7453	business
74739	walt
45091	whitman
516	says
293	animals
6288	sweat
49186	whine
725	condition
516	says
12331	unhappy
64	earth
462	truth
535	world
1216	place
74740	unlit
4841	lamp
74741	ungirt
39821	loin
736	creature
38232	armour
2082	weapons
39537	cleverness
540	find
6409	path
2030	safety
1824	go
4065	paths
2030	safety
8523	disguise
103	illustrated
7048	evolution
6742	ascent
303	man
6742	ascent
303	man
32139	sec
2119	thinks
322	sir
20502	isaac
24958	newton
1140	born
42269	puny
2733	infant
1260	think
2019	human
3093	race
1678	sprang
3020	stock
1541	arboreal
1572	mammals
3896	doubt
303	man
74589	apartness
1994	rest
6824	creation
417	seen
1879	lower
7239	angels
14887	crowned
1168	glory
9662	honour
820	piece
558	work
303	man
9718	noble
1765	reason
6481	infinite
207	faculty
838	form
2524	moving
9491	express
4417	admirable
469	action
10615	angel
12337	apprehension
5096	god
1651	facts
223	point
50723	affiliation
3020	stock
8661	monkeys
304	apes
2937	belong
815	indeed
303	man
3199	descended
1738	ape
21252	monkey
5670	sprung
733	common
43652	ancestry
1543	branches
609	stem
6630	conclusion
32654	momentous
8492	reasons
9553	accepting
1214	carefully
2092	considered
14218	expounded
8420	masterly
3005	skill
319	darwin
5736	descent
303	man
3	book
2128	expansion
2851	chapter
2474	origin
1330	species
21327	anatomical
4810	proof
303	man
6892	relationship
74200	simian
3020	stock
21327	anatomical
679	structure
303	man
796	closely
706	similar
62294	anthropoid
304	apes
400	gorilla
1274	orang
1275	chimpanzee
1428	gibbon
7188	bone
7188	bone
2184	muscle
2184	muscle
1103	blood
641	vessel
1103	blood
641	vessel
3555	nerve
3555	nerve
303	man
1738	ape
993	agree
20869	conservative
7519	anatomist
322	sir
369	richard
2213	owen
867	said
15348	pervading
65510	similitude
679	structure
2147	differences
954	course
32654	momentous
303	man
3159	big
6088	brain
884	times
4309	heavy
400	gorilla
1902	average
2019	human
6088	brain
12899	weighs
7295	ounces
400	gorilla
6088	brain
1783	exceed
7295	ounces
10107	capacity
2019	human
2183	skull
21260	cubic
1345	inches
1274	orang
1275	chimpanzee
5026	figures
2205	respectively
10695	suggesting
19754	distinctive
2501	features
303	man
2136	measured
2662	weighed
1733	notice
3217	main
1914	seat
6194	mental
508	powers
1247	physically
9811	ahead
2041	highest
62294	anthropoid
304	apes
303	man
4182	thoroughly
1444	erect
3498	infancy
747	head
20949	weighted
4309	heavy
6088	brain
21243	droop
1507	forward
1738	ape
1444	erect
1564	attitude
856	associated
2089	highly
946	developed
22158	vocal
1589	organs
894	compared
62294	anthropoid
1738	ape
303	man
8841	bigger
1535	upright
10106	forehead
74587	protrusive
401	face
2293	region
1353	smaller
2207	cheek
778	bones
51607	eyebrow
2130	ridges
3977	uniform
1225	teeth
3418	unique
2511	chin
303	man
447	plants
1554	sole
1482	foot
1789	flat
626	ground
3159	big
2145	toe
3915	line
1992	toes
1349	heel
21252	monkey
889	change
830	shape
747	head
1672	thought
2446	connection
1312	enlargement
6088	brain
2446	connection
4	natural
21893	reduction
2158	muzzle
2293	region
418	hand
12052	freed
1412	organ
1311	support
4676	became
10092	suited
1649	grasping
966	food
6734	conveying
749	mouth
2456	familiar
303	man
10339	clothing
6836	traces
22580	persisting
7	use
6738	disappeared
15210	buttons
10018	waist
1167	morning
2947	coat
1223	tails
2947	coat
1078	fastened
15210	buttons
1744	occasionally
35748	buttonholes
1498	wrist
5124	useful
5070	turning
7973	sleeve
303	man
739	body
5446	veritable
2200	museum
14420	relics
66214	anatomists
413	made
245	list
408	hundred
74590	vestigial
4560	structures
2554	number
3896	doubt
245	list
1997	inner
1040	upper
7134	corner
1315	eye
673	minute
50433	tag
712	larger
2117	races
1025	others
9195	dwindling
16587	relic
79	third
52359	eyelid
5906	cleaning
4925	front
1315	eye
1572	mammals
1302	possess
946	developed
838	form
941	easily
417	seen
3282	instance
12050	ox
8334	rabbit
303	man
8661	monkeys
644	become
5281	useless
10335	vestige
9195	dwindling
856	associated
714	fact
1040	upper
52359	eyelid
2513	mobile
303	man
8661	monkeys
1572	mammals
74590	vestigial
79	third
52359	eyelid
303	man
2182	prove
6892	relationship
1572	mammals
699	example
11363	discussed
2893	article
519	dealing
2019	human
739	body
4906	mention
74590	vestigial
2132	muscles
2892	going
613	ear
5787	trumpet
303	man
9195	dwindling
11263	counterpart
2298	skin
11571	twitching
2184	muscle
486	see
2870	horse
7	use
6526	jerks
962	fly
9115	flanks
3136	tail
3980	seven
987	weeks
359	old
2019	human
17631	embryo
2765	actually
2543	longer
1481	leg
5160	committing
5542	belief
3308	entire
28617	uselessness
21425	vermiform
35378	appendix
531	grows
6082	blind
5991	alley
16513	junction
44027	intestine
1215	safe
6149	saying
9195	dwindling
679	structure
525	remains
6082	blind
57468	gut
3386	capacious
5124	useful
10905	ancestral
2162	forms
1572	mammals
8334	rabbit
6082	blind
57468	gut
50278	bulkiest
679	structure
739	body
3272	bears
21425	vermiform
35378	appendix
612	end
303	man
35378	appendix
3091	tells
9569	tale
429	interesting
1733	notice
2543	longer
1274	orang
303	man
925	variable
9195	dwindling
4560	structures
5421	tend
15923	unpleasant
10110	expressions
2122	variability
9475	liability
1824	go
1079	wrong
2289	hence
60613	appendicitis
74590	vestigial
4560	structures
319	darwin
867	said
52138	unsounded
68016	functionless
9216	letters
523	words
4023	leopard
3896	doubt
18712	reign
7	use
490	tell
5	history
523	words
303	man
74590	vestigial
4560	structures
12219	reveal
67206	pedigree
158	historical
46256	evolutionary
10410	significance
6629	interpretation
288	illustration
35411	photo
135	york
38653	zoological
7732	park
1275	chimpanzee
986	sitting
747	head
2201	shows
56384	facial
7182	characteristics
4911	beetling
51607	eyebrow
2130	ridges
437	marked
74281	neanderthal
3093	race
276	men
382	note
22236	shortening
2001	thumb
1312	enlargement
3159	big
2145	toe
288	illustration
35411	photo
135	york
38653	zoological
7732	park
1275	chimpanzee
22881	illustrating
1513	walking
508	powers
382	note
790	great
1758	length
1226	arms
730	relative
11484	shortness
743	legs
288	illustration
935	surface
4991	view
6465	brains
303	man
1275	chimpanzee
2019	human
6088	brain
712	larger
9869	heavier
5772	dome
2552	numerous
1000	complicated
45868	convolutions
288	illustration
35411	photo
135	york
38653	zoological
7732	park
1503	side
4991	view
1275	chimpanzee
747	head
6049	compare
583	opposite
6953	picture
288	illustration
2940	model
74278	mcgregor
2156	profile
4991	view
747	head
74277	pithecanthropus
1334	java
1738	ape
303	man
41773	reconstructed
2183	skull
10893	cap
288	illustration
67502	flipper
19603	whale
418	hand
303	man
778	bones
2496	arrangement
7383	resemblance
2643	cases
6087	outcome
16839	multiplication
7195	finger
1999	joints
19603	whale
1889	striking
2518	feature
276	men
2370	oftener
2566	women
1725	show
74742	inturned
7917	margin
613	ear
5787	trumpet
74743	pinna
4045	conical
2157	projection
790	great
444	interest
10335	vestige
5623	tip
5572	pointed
613	ear
1879	lower
1572	mammals
7312	named
319	darwin
223	point
2395	described
8721	surviving
5602	symbol
1858	stirring
884	times
8447	dangerous
259	days
303	man
67	animal
561	youth
32139	sec
7045	physiological
4810	proof
303	man
6892	relationship
74200	simian
3020	stock
28642	everyday
1024	functions
2019	human
739	body
2766	practically
62294	anthropoid
1738	ape
706	similar
11678	disorders
733	common
8661	monkeys
13404	infected
49610	microbes
303	man
7348	peculiarly
4608	liable
41019	bacillus
19486	tuberculosis
319	darwin
4359	showed
6	various
2019	human
14496	gestures
56384	facial
10110	expressions
35229	counterparts
8661	monkeys
26398	sneering
20019	curl
1040	upper
2099	lip
580	tends
3156	expose
2216	canine
3461	tooth
2331	case
223	point
417	seen
1572	mammals
8661	monkeys
5673	dogs
3282	instance
3267	considerable
1405	distance
74200	simian
1596	branch
303	man
3200	ancestors
9027	belonged
2019	human
1103	blood
38845	transfused
2093	dog
21252	monkey
49582	behaves
11038	hostile
1103	blood
2529	bringing
3894	destruction
3760	red
1103	blood
35098	corpuscles
38845	transfused
1275	chimpanzee
6748	harmonious
9165	mingling
3634	literal
11720	demonstration
303	man
1103	blood
6892	relationship
1027	higher
304	apes
19732	finer
838	form
4530	experiment
1103	blood
672	fluid
60444	serum
8334	rabbit
2019	human
1103	blood
22348	injected
10618	mingled
2019	human
1103	blood
2162	forms
14229	cloudy
12589	precipitate
2162	forms
437	marked
12589	precipitate
10618	mingled
1103	blood
62294	anthropoid
1738	ape
10618	mingled
1103	blood
21252	monkey
972	slight
52526	clouding
3267	considerable
607	time
5274	actual
12589	precipitate
901	added
1103	blood
8010	distantly
592	related
1328	half
8661	monkeys
7183	lemurs
6370	reaction
2193	weak
1103	blood
1572	mammals
74200	simian
3915	line
464	altogether
6370	reaction
659	thus
2971	distinguished
44877	anthropologist
200	professor
74744	schwalbe
867	said
4810	proof
3634	literal
1103	blood
6892	relationship
303	man
304	apes
2069	degree
6892	relationship
3217	main
2830	groups
304	apes
5865	determined
9485	possibility
4328	mistake
5929	imagine
6050	modern
3915	line
4530	experiment
4932	delighted
319	darwin
288	illustration
400	gorilla
4044	inhabiting
2580	forest
22123	tract
2445	gaboon
1270	africa
498	full
2810	grown
2143	individual
1310	stands
1346	feet
1475	gait
2541	shuffling
1431	strength
2584	enormous
5333	diet
3180	mainly
64146	vegetarian
7467	temper
2533	ferocious
67161	embryological
4810	proof
303	man
6892	relationship
74200	simian
3020	stock
2143	individual
955	development
303	man
4979	measure
1468	climb
35154	genealogical
492	tree
3429	stages
955	development
739	body
1926	nine
2704	months
11681	ante
23045	natal
74	life
796	closely
706	similar
3429	stages
955	development
62294	anthropoid
17631	embryo
1235	babies
1140	born
884	times
12782	famine
19426	siege
8495	imperfectly
4134	finished
2395	described
74745	monkeyish
2501	features
446	ways
1279	visit
10899	institution
1237	care
549	children
1725	show
4195	arrested
9464	defective
3743	disturbed
955	development
586	leaves
8835	sadly
6464	impressed
4549	risk
5465	slipping
55879	rungs
5629	steep
11308	ladder
7048	evolution
3947	adults
2645	occurrence
576	serious
3558	nervous
6601	disturbance
6573	shock
437	marked
1417	relapses
67	animal
446	ways
2456	familiar
714	fact
21725	normal
2837	baby
3534	reveals
3166	surprising
1627	power
2080	grip
805	careful
5700	experiments
1355	dr
11935	louis
15453	robinson
4359	showed
2733	infant
987	weeks
359	old
1311	support
1973	weight
4238	minutes
1072	holding
4772	horizontal
2643	cases
2206	sign
2418	distress
40201	evinced
1407	cry
1408	uttered
2602	grasp
1030	begins
13	give
12911	persistent
2602	grasp
2438	points
607	time
2837	baby
7380	cling
1541	arboreal
1199	mother
2019	human
3136	tail
595	represented
1825	adult
21610	fusion
65018	vertebrae
763	forming
74746	coccyx
612	end
8114	backbone
21534	normally
4254	concealed
779	flesh
17631	embryo
3136	tail
4052	projects
2526	freely
9669	movable
2850	sixth
2064	month
11681	ante
23045	natal
1098	sleep
739	body
740	covered
1883	palms
17042	soles
64391	longish
1821	hair
74747	lanugo
4629	disappears
1813	birth
2798	stage
21725	normal
955	development
1559	reasonably
9498	interpreted
48849	recapitulation
2798	stage
18827	racial
7048	evolution
2338	draw
14030	inference
540	find
12801	unborn
1814	offspring
7446	hairless
19603	whale
1100	abundant
20856	representation
2512	hairs
2338	draw
706	similar
14030	inference
2331	case
303	man
4180	noticed
576	serious
9462	errors
7327	careless
6985	statement
413	made
303	man
955	development
607	time
355	fish
2798	stage
3299	reptile
2798	stage
2730	primitive
66181	mammal
685	eventually
21252	monkey
18323	error
2675	comparison
413	made
17631	embryo
355	fish
17631	embryo
3299	reptile
17631	embryo
66181	mammal
1422	making
46033	embryos
790	great
7383	resemblance
468	lies
2019	human
17631	embryo
2201	shows
3014	laying
852	essential
2748	vertebrate
7165	characters
6088	brain
22117	spinal
3865	cord
796	closely
4795	comparable
17631	embryo
1879	lower
2748	vertebrate
706	similar
2798	stage
2440	subsequent
2798	stage
2404	heart
3282	instance
644	become
43337	chambered
2857	mammalian
2404	heart
796	closely
4795	comparable
2404	heart
1506	let
548	say
1208	turtle
762	becomes
43337	chambered
223	point
1422	making
1589	organs
739	body
548	say
6088	brain
22121	kidneys
17631	embryo
303	man
26113	pursues
6409	path
796	closely
7029	corresponding
6409	path
1189	followed
46033	embryos
74467	backboned
293	animals
1879	lower
1028	scale
3697	successive
3429	stages
748	parts
107	company
2749	lowest
1607	succession
2019	human
17631	embryo
3299	reptile
6692	developing
1589	organs
587	pass
3429	stages
796	closely
1957	resemble
7029	corresponding
3429	stages
1879	lower
2727	types
915	general
10905	ancestral
18323	error
958	kind
67	animal
303	man
16	included
6229	individuality
1567	peculiar
7182	characteristics
6814	expressed
1026	somewhat
1242	difficult
2472	word
74748	specificity
553	means
1330	species
955	development
2019	human
17631	embryo
367	resemblances
46033	embryos
304	apes
8661	monkeys
1572	mammals
1297	earlier
3429	stages
46033	embryos
3299	reptile
355	fish
1301	admitted
519	dealing
2019	human
17631	embryo
1197	peculiarities
288	illustration
319	darwin
223	point
2019	human
613	ear
437	marked
3606	corresponds
5623	tip
613	ear
1264	ordinary
66181	mammal
807	shown
8335	hare
613	ear
21	young
1274	orang
839	part
7029	corresponding
319	darwin
223	point
5623	tip
613	ear
288	illustration
35411	photo
358	russell
1195	sons
200	professor
322	sir
19283	arthur
40242	keith
131	ll
74749	conservator
2200	museum
43619	hunterian
200	professor
6002	royal
73	college
19956	surgeons
174	england
1998	foremost
74750	anthropologists
4633	leading
2323	authority
13969	antiquity
303	man
288	illustration
297	huxley
389	permission
386	messrs
17158	macmillan
48451	skeletons
1428	gibbon
1274	orang
1275	chimpanzee
400	gorilla
303	man
74751	photographically
2839	reduced
17927	diagrams
4	natural
885	size
1428	gibbon
1735	twice
439	nature
1893	drawn
390	mr
1435	waterhouse
25429	hawkins
2656	specimens
2200	museum
6002	royal
73	college
19956	surgeons
2019	human
1030	begins
74	life
2168	single
3407	cell
52274	fertilised
683	egg
3407	cell
9896	treasure
3901	house
5050	ages
74752	microcosm
21786	fraction
2138	inch
3804	diameter
828	condensed
5929	imagine
4	natural
1200	inheritance
303	man
32505	legacy
15008	parentage
43652	ancestry
1539	pre
2019	human
67206	pedigree
319	darwin
661	called
74753	pinhead
6088	brain
339	ant
1842	marvellous
1192	atom
428	matter
535	world
2019	human
46023	ovum
1842	marvellous
16403	possibilities
481	thing
67285	fertilisation
872	die
52274	fertilised
46023	ovum
21174	divides
74754	redivides
5065	results
2402	ball
3551	cells
3259	sack
3551	cells
945	gradually
5319	division
10555	labour
762	becomes
426	rule
3014	laying
3558	nervous
4412	system
966	food
5613	canal
5790	muscular
4412	system
5697	skeleton
4235	proceeds
74755	learnedly
661	called
21320	differentiation
2022	apparently
515	simple
3645	emerges
7010	obviously
6319	complex
33734	aristotle
2202	observed
496	thousand
436	years
6692	developing
683	egg
751	hen
851	appears
9790	beating
2404	heart
8682	non
535	world
578	return
6692	developing
2019	human
17631	embryo
981	formed
46159	embryonic
966	food
5613	canal
74756	skeletal
7198	rod
661	called
61475	notochord
65701	thrills
457	imagination
3167	learn
14295	supporting
16951	axis
1879	lower
5873	orders
74467	backboned
3093	race
1302	possess
1918	curious
481	thing
644	become
8114	backbone
1438	certainly
852	essential
2501	features
2748	vertebrate
3093	race
61475	notochord
14295	supporting
16951	axis
17765	pioneer
74467	backboned
293	animals
7117	namely
74757	lancelets
3536	mouths
74758	cyclostomes
3971	lamprey
8114	backbone
9481	strict
2096	sense
61475	notochord
941	easily
5256	dissected
3971	lamprey
74759	gristly
7198	rod
3540	surrounded
39313	sheath
762	becomes
8114	backbone
295	fishes
1027	higher
293	animals
429	interesting
223	point
61475	notochord
10335	vestige
3947	adults
2727	types
7733	absent
17631	embryo
1787	occurs
303	man
1360	lived
16587	relic
1888	primeval
14295	supporting
16951	axis
739	body
2637	comes
478	goes
3428	leaving
673	minute
6836	traces
1825	adult
548	say
7	use
2002	serves
22173	stimulus
955	development
12780	substitute
8114	backbone
820	piece
23476	preliminary
41431	scaffolding
6954	eloquent
3282	instance
418	hand
3282	instance
3054	suffice
200	professor
39474	lull
1139	calls
327	wonderful
952	changes
4259	wrought
2516	dark
11681	ante
23045	natal
2772	period
28682	recapitulate
3790	rapid
35294	abbreviation
790	great
46256	evolutionary
3175	steps
976	taken
303	man
3200	ancestors
1864	night
6220	geological
584	sides
745	neck
2019	human
17631	embryo
3738	pairs
27898	slits
62373	visceral
8140	clefts
3982	openings
526	beginning
966	food
23413	canals
935	surface
3896	doubt
10410	significance
6144	correspond
3296	gill
27898	slits
295	fishes
1201	tadpoles
2813	reptiles
294	birds
1572	mammals
2446	connection
1044	breathing
5970	function
295	fishes
2783	amphibians
815	indeed
7	use
762	becomes
49690	eustachian
3220	tube
2529	bringing
613	ear
1658	passage
2446	connection
749	mouth
79	third
955	development
1918	curious
1412	organ
661	called
61769	thymus
60264	gland
12911	persistent
3296	gill
27898	slits
9884	recalling
303	man
3298	aquatic
43652	ancestry
2771	millions
436	years
4263	lines
1238	evidence
2092	considered
417	seen
39477	converge
6630	conclusion
303	man
835	derived
74200	simian
3020	stock
1572	mammals
74760	solidary
1994	rest
6824	creation
1578	quote
7263	closing
523	words
319	darwin
5736	descent
303	man
14273	acknowledge
1193	seems
303	man
9718	noble
5331	qualities
7061	sympathy
7869	feels
38978	debased
14049	benevolence
2629	extends
276	men
32499	humblest
736	creature
5096	god
6309	intellect
4136	penetrated
1574	movements
1948	constitution
52932	solar
4412	system
11499	exalted
508	powers
303	man
3272	bears
4111	bodily
475	frame
33435	indelible
19780	stamp
2854	lowly
2474	origin
431	clear
4991	view
548	say
303	man
1678	sprang
3020	stock
733	common
1027	higher
304	apes
33932	repelled
1581	idea
303	man
7058	derivation
74200	simian
2713	type
3198	remember
6055	theory
5343	implies
7117	namely
303	man
6087	outcome
52336	genealogy
6840	implied
2771	millions
436	years
23143	experimenting
15568	sifting
12386	groaning
74416	travailing
6824	creation
2755	speaking
303	man
6194	mental
5331	qualities
322	sir
8360	ray
67514	lankester
516	says
2240	justify
4991	view
303	man
2162	forms
13428	departure
1642	gradual
15915	unfolding
439	nature
15142	predestined
3365	plan
2331	case
6596	try
3735	square
14503	views
1651	facts
1651	facts
14503	views
1651	facts
303	man
1310	stands
3418	unique
1812	apart
303	man
49010	scion
3430	progressive
74200	simian
3020	stock
415	naturalists
4079	exposed
3844	pit
1761	whence
303	man
74761	digged
3146	rock
1761	whence
51525	hewn
6432	surely
74762	heartening
13598	encouragement
420	know
6742	ascent
5736	descent
499	wisdom
19051	pascal
13939	maxim
8447	dangerous
1725	show
303	man
3733	plainly
293	animals
607	time
15755	reminding
15078	greatness
3209	equally
34351	unwise
6430	impress
15078	greatness
53687	lowliness
458	worse
2026	leave
9899	ignorance
12100	profitable
11210	recognise
1651	facts
32139	sec
303	man
67206	pedigree
1651	facts
7187	anatomy
1022	physiology
67157	embryology
1510	given
292	illustrations
223	point
303	man
50723	affiliation
534	order
8661	monkeys
304	apes
534	order
1510	given
2109	name
74579	primates
577	question
1761	whence
74579	primates
4489	began
3146	rock
5402	record
2875	answers
577	question
74579	primates
10304	emerged
3545	dawn
9192	eocene
10774	era
2416	grass
526	beginning
1916	cover
64	earth
3023	garment
10905	ancestral
2278	north
5012	hemispheres
8732	migrated
1270	africa
7284	india
9308	malay
2627	south
1254	america
2278	north
1254	america
74579	primates
4676	became
3469	extinct
481	thing
5248	happened
7317	europe
2331	case
74763	repeopling
2627	south
1879	lower
66136	miocene
20063	extinction
1040	upper
8130	pliocene
303	man
886	appeared
3267	considerable
1238	evidence
1311	support
200	professor
39474	lull
6630	conclusion
4097	southern
1255	asia
1270	africa
2627	south
1254	america
7048	evolution
74579	primates
7657	continuous
790	great
5008	southward
3963	migration
954	course
1100	abundant
6050	modern
20856	representation
74579	primates
1282	regions
967	day
577	question
1761	whence
74579	primates
1678	sprang
579	answer
48535	conjectural
9429	reasonable
4991	view
64752	carnivores
74579	primates
1678	sprang
733	common
74764	insectivore
3020	stock
534	order
4064	diverging
779	flesh
4036	eating
3466	hunting
626	ground
534	order
4064	diverging
589	fruit
4036	eating
1541	arboreal
1240	habits
3896	doubt
64741	insectivores
5384	including
3707	shrews
492	tree
3707	shrews
3616	hedgehog
8845	mole
41336	plastic
3430	progressive
1572	mammals
1189	followed
954	course
5050	ages
46257	divergence
1596	branch
1596	branch
3217	main
35414	primate
609	stem
32797	diverged
2627	south
8661	monkeys
3915	line
359	old
535	world
8661	monkeys
64238	macaques
44011	baboons
5050	ages
2076	passed
3217	main
2987	stems
1887	gave
74539	oligocene
2772	period
1596	branch
595	represented
62294	anthropoid
304	apes
1428	gibbon
1395	siamang
6347	distinctly
32797	diverged
1596	branch
62294	anthropoid
304	apes
400	gorilla
1275	chimpanzee
1274	orang
60333	generalised
74765	humanoid
3020	stock
942	separated
8661	monkeys
304	apes
5384	including
3353	immediate
69224	precursors
303	man
15568	sifting
60333	generalised
74765	humanoid
3020	stock
1754	took
1216	place
525	remains
1340	uncertain
6811	authorities
7163	referring
66136	miocene
1025	others
8130	pliocene
3119	estimate
32	date
1328	half
2756	million
436	years
1025	others
2771	millions
714	fact
6123	questions
17122	chronology
5314	admit
3426	scientific
6985	statement
288	illustration
1503	side
4991	view
2183	skull
303	man
400	gorilla
1733	notice
400	gorilla
2183	skull
74587	protrusive
401	face
2293	region
3159	big
51607	eyebrow
2130	ridges
38053	domed
2166	cranial
4225	cavity
4736	massive
1879	lower
2223	jaw
3159	big
2216	canine
1225	teeth
1733	notice
303	man
2183	skull
946	developed
10106	forehead
38053	domed
16139	spacious
2166	cranial
4225	cavity
4815	absence
3121	snout
2511	chin
648	process
437	marked
2147	differences
780	separating
2019	human
2183	skull
1738	ape
288	illustration
2183	skull
6088	brain
2331	case
74277	pithecanthropus
1334	java
1738	ape
303	man
4344	restored
74278	mcgregor
7672	scanty
525	remains
10681	restoration
2201	shows
1788	low
6513	retreating
10106	forehead
2500	prominent
51607	eyebrow
2130	ridges
288	illustration
1263	suggested
35154	genealogical
492	tree
303	man
62294	anthropoid
304	apes
322	sir
19283	arthur
40242	keith
42113	lettering
1495	slightly
7634	simplified
33046	firmer
1340	uncertain
626	ground
1032	state
2219	probability
1255	asia
69224	precursors
303	man
942	separated
8661	monkeys
304	apes
4489	began
3300	terrestrial
1541	arboreal
200	professor
39474	lull
2438	points
1255	asia
4424	nearest
2646	oldest
664	known
2019	human
525	remains
1334	java
1255	asia
1914	seat
4347	ancient
74766	civilisations
493	original
2017	domesticated
293	animals
3435	cultivated
447	plants
2219	probability
12837	cradle
2019	human
3093	race
1255	asia
303	man
1541	arboreal
25590	apprenticeship
223	point
5124	useful
5191	consider
303	man
1541	arboreal
25590	apprenticeship
4676	became
3300	terrestrial
27090	journeyman
200	professor
786	wood
16727	jones
4103	worked
74767	convincingly
19039	thesis
303	man
1304	direct
3794	footed
43652	ancestry
35414	primate
3020	stock
559	belongs
46257	divergence
1541	arboreal
6815	maintains
4633	leading
1197	peculiarities
3353	immediate
69224	precursors
303	man
4259	wrought
1541	arboreal
25590	apprenticeship
790	great
5062	gain
1541	arboreal
74	life
74684	bipedal
1444	erect
4263	lines
65546	quadrupedal
711	fashion
492	tree
64124	sloths
3282	instance
32521	emancipation
418	hand
1482	foot
4676	became
14295	supporting
1596	branch
14565	gripping
6779	member
418	hand
36	set
2000	free
4599	reach
1517	upward
1457	hang
1466	seize
589	fruit
5912	lift
1067	hold
749	mouth
5507	hug
21	young
2960	breast
418	hand
659	thus
36	set
2000	free
1452	remained
41336	plastic
60333	generalised
60481	specialised
6779	member
1189	followed
303	man
74768	handiness
1541	arboreal
74	life
13362	consequences
441	led
5105	increased
2788	freedom
448	movement
36675	thigh
36012	hip
1995	joint
5790	muscular
3452	arrangements
5099	balancing
739	body
1481	leg
1422	making
8114	backbone
14517	supple
6880	stable
1991	curved
13275	pillar
800	strongly
946	developed
5803	collar
7188	bone
670	found
981	formed
7181	fore
2311	limb
1311	support
1627	power
14286	opposing
2001	thumb
3159	big
2145	toe
42278	digits
418	hand
1482	foot
799	obvious
3092	advantage
1596	branch
14565	gripping
7048	evolution
2000	free
418	hand
413	made
3372	dispense
74587	protrusive
2049	lips
14565	gripping
1225	teeth
659	thus
4489	began
23083	recession
3121	snout
2293	region
856	associated
1312	enlargement
6088	brain
4005	box
2529	bringing
1740	eyes
4925	front
49650	overcrowding
1225	teeth
1189	followed
22236	shortening
3121	snout
9434	taxes
1528	progress
6050	modern
303	man
4584	reminded
15193	dental
12812	troubles
8503	acquisition
856	associated
1541	arboreal
74	life
1414	greatly
5105	increased
1627	power
5070	turning
747	head
1503	side
1503	side
60803	mobility
4616	locating
1399	sounds
4181	exploring
1740	eyes
6034	furthermore
2576	came
35116	flattening
2535	chest
1574	movements
74769	midriff
49693	diaphragm
2576	came
5401	count
22416	respiration
1574	movements
6390	ribs
2096	sense
503	touch
2576	came
795	importance
2096	sense
804	smell
839	part
6088	brain
2654	receiving
10191	tidings
418	hand
1315	eye
613	ear
2576	came
12972	predominate
839	part
2654	receiving
5711	olfactory
9644	messages
4184	finally
2565	carrying
2733	infant
1543	branches
6432	surely
6840	implied
62599	intensification
1161	family
501	relations
9629	favoured
7048	evolution
7491	gentleness
288	illustration
35411	photo
135	york
38653	zoological
7732	park
1428	gibbon
1879	lower
304	apes
7052	regards
2183	skull
61821	dentition
2089	highly
6813	specialized
6997	adaptation
1533	limbs
1541	arboreal
74	life
288	illustration
35411	photo
135	york
38653	zoological
7732	park
1274	orang
6780	rounded
2183	skull
401	face
288	illustration
35411	photo
5732	british
2200	museum
4	natural
5	history
26547	comparisons
48451	skeletons
2870	horse
303	man
7188	bone
7188	bone
48451	skeletons
303	man
57074	biped
2870	horse
7068	quadruped
8114	backbone
303	man
3180	mainly
3914	vertical
8114	backbone
2870	horse
4772	horizontal
745	neck
3136	tail
303	man
2183	skull
3180	mainly
3915	line
8114	backbone
2870	horse
6022	angle
303	man
2870	horse
3980	seven
745	neck
65018	vertebrae
303	man
42278	digits
2311	limb
2870	horse
60237	digit
946	developed
2311	limb
1504	urged
5937	attaching
795	importance
1541	arboreal
25590	apprenticeship
492	tree
1369	loving
293	animals
656	remain
967	day
11157	innocent
1096	creatures
9429	reasonable
12367	objection
2875	answers
32656	acquisitions
1541	arboreal
7048	evolution
74765	humanoid
69224	precursors
303	man
2453	prepared
33005	survival
2019	human
2713	type
437	marked
790	great
1556	step
6088	brain
955	development
1658	passage
74765	humanoid
2019	human
856	associated
578	return
1199	mother
64	earth
1123	according
200	professor
39474	lull
627	fine
46223	textbook
21627	organic
7048	evolution
4833	indebted
18391	climatic
539	conditions
1255	asia
66136	miocene
8130	pliocene
23406	compel
5736	descent
1539	pre
2019	human
8288	ancestor
1377	trees
1556	step
3126	absolutely
852	essential
1012	further
2019	human
955	development
18896	continental
7256	elevation
6600	consequent
50353	aridity
441	led
9195	dwindling
1268	forests
7901	forced
1738	ape
303	man
1070	come
64	earth
9935	arose
303	man
1123	according
39474	lull
5736	descent
1377	trees
856	associated
892	assumption
1444	erect
1445	posture
5105	increased
28600	liberation
41317	plasticity
418	hand
3504	becoming
1803	hunter
5700	experiments
10339	clothing
2572	shelter
4181	exploring
479	habit
526	beginning
3485	communal
74	life
15916	plausible
4991	view
6008	transition
74765	humanoid
2019	human
1531	effected
41756	discontinuous
2174	variation
3267	considerable
1277	magnitude
15740	nowadays
661	called
68020	mutation
3180	mainly
6088	brain
22158	vocal
1589	organs
1510	given
8602	gains
1541	arboreal
25590	apprenticeship
22173	stimulus
12730	enforced
5736	descent
22722	terra
45068	firma
24732	evolving
6088	brain
1392	voice
11210	recognise
46107	accessory
6977	factors
8956	helped
3052	success
2415	succeed
4815	absence
790	great
6151	physical
1431	strength
15000	prompted
12124	reliance
16932	wits
22235	prolongation
3498	infancy
1220	help
24535	educate
1203	parents
7491	gentleness
6966	strengthening
6369	feeling
2979	kinship
9755	favour
7048	evolution
1161	family
4311	social
74	life
2841	anticipations
1879	lower
22732	levels
462	truth
6149	saying
303	man
473	make
2020	society
2020	society
413	made
303	man
23532	continuation
246	story
434	deal
13527	emergence
2730	primitive
2727	types
303	man
1642	gradual
6742	ascent
6050	modern
1330	species
32139	sec
22018	tentative
276	men
246	story
15568	sifting
74765	humanoid
3020	stock
6008	transition
2019	human
958	kind
3200	ancestors
304	apes
276	men
303	man
1738	ape
303	man
1738	ape
303	man
3241	looks
15568	sifting
648	process
6372	proceeded
1012	further
2019	human
1543	branches
4066	lead
6050	modern
2713	type
303	man
595	represented
7672	scanty
6834	fossil
525	remains
664	known
74277	pithecanthropus
74770	erectus
670	found
1334	java
67156	fossiliferous
3484	beds
32	date
612	end
8130	pliocene
526	beginning
44284	pleistocene
10774	era
553	means
1328	half
2756	million
436	years
525	remains
7767	occurred
1572	mammals
3469	extinct
7441	unfortunately
525	remains
74277	pithecanthropus
1444	erect
7682	consisted
2183	skull
10893	cap
36675	thigh
7188	bone
1225	teeth
3166	surprising
17485	experts
994	differ
2173	considerably
6629	interpretation
670	found
5703	regarded
525	remains
1428	gibbon
1025	others
1539	pre
2019	human
1738	ape
303	man
1025	others
2730	primitive
303	man
3217	main
3915	line
6742	ascent
1123	according
322	sir
19283	arthur
40242	keith
74277	pithecanthropus
2019	human
11091	stature
2019	human
1475	gait
2019	human
748	parts
6088	brain
36675	thigh
7188	bone
12582	indicates
1347	height
1346	feet
1345	inches
2138	inch
1902	average
1347	height
276	men
967	day
2183	skull
10893	cap
12582	indicates
1788	low
1789	flat
10106	forehead
4911	beetling
6289	brows
10107	capacity
1785	thirds
6050	modern
885	size
525	remains
670	found
36912	dubois
74771	trinil
5634	central
1334	java
54571	offshoot
595	represented
25704	heidelberg
303	man
35227	homo
74772	heidelbergensis
2396	discovered
25704	heidelberg
1355	dr
74773	schoetensack
525	remains
7682	consisted
1879	lower
2223	jaw
1225	teeth
16587	relic
778	bones
6	various
1572	mammals
5384	including
3469	extinct
7317	europe
2575	elephant
9186	rhinoceros
48122	bison
8318	lion
2364	circumstances
2342	indicate
1829	age
436	years
8705	crude
720	flint
7763	implements
74774	eoliths
1225	teeth
2019	human
1225	teeth
2223	jaw
1193	seems
18118	transitional
62294	anthropoid
1738	ape
303	man
659	thus
2511	chin
1123	according
6811	authorities
1879	lower
2223	jaw
25704	heidelberg
927	sand
3844	pit
5703	regarded
16587	relic
2730	primitive
2713	type
3217	main
3915	line
2019	human
6742	ascent
288	illustration
34166	reconstruction
1334	java
303	man
74277	pithecanthropus
74770	erectus
2219	probability
8130	pliocene
1754	took
2474	origin
74281	neanderthal
1330	species
303	man
35227	homo
74775	neanderthalensis
664	known
525	remains
670	found
74281	neanderthal
7132	ravine
45051	duesseldorf
1123	according
6811	authorities
74281	neanderthal
303	man
7317	europe
5337	quarter
2756	million
436	years
2656	specimens
4367	afterwards
670	found
3468	elsewhere
3305	belgium
276	men
1384	spy
3304	france
34901	croatia
32600	gibraltar
1205	good
434	deal
664	known
74281	neanderthal
303	man
1654	loose
51176	limbed
1741	fellow
11091	stature
34525	slouching
1475	gait
4551	skilful
24585	artificer
27958	fashioning
5797	beautifully
4103	worked
7696	flints
906	characteristic
433	style
5821	fire
3720	buried
873	dead
13906	reverently
4975	furnished
14711	outfit
5471	journey
3159	big
6088	brain
790	great
4911	beetling
1738	ape
51607	eyebrow
2130	ridges
4736	massive
2061	jaws
4359	showed
74200	simian
7165	characters
5870	swarming
6559	details
679	structure
2438	points
8723	differs
6050	modern
303	man
2594	approaches
62294	anthropoid
304	apes
5703	regarded
1788	low
2713	type
303	man
3217	main
3915	line
297	huxley
5703	regarded
74281	neanderthal
303	man
1788	low
838	form
6050	modern
2713	type
2307	expert
6702	opinion
1193	seems
993	agree
4991	view
6896	maintained
200	professor
88	william
361	king
74776	galway
74281	neanderthal
303	man
7194	represents
2115	distinct
1330	species
3217	main
3915	line
6742	ascent
6738	disappeared
2745	apparent
10610	suddenness
42913	aboriginal
2117	races
967	day
612	end
5956	fourth
790	great
3897	ice
1829	age
1238	evidence
4212	ceased
10304	emerged
11999	successor
25979	descendant
6050	modern
303	man
54571	offshoot
3217	main
3915	line
595	represented
74279	piltdown
303	man
670	found
35233	sussex
525	remains
7682	consisted
4055	walls
2183	skull
2342	indicate
6088	brain
10106	forehead
4911	beetling
10147	eyebrows
74281	neanderthal
303	man
74277	pithecanthropus
540	find
16	included
3461	tooth
839	part
1879	lower
2223	jaw
2937	belong
1738	ape
74777	discrepant
74279	piltdown
2183	skull
7194	represents
4347	ancient
2019	human
525	remains
670	found
7473	britain
1355	dr
3644	smith
27113	woodward
6874	establishment
929	separate
2434	genus
74778	eoanthropus
19566	expresses
10687	conviction
74279	piltdown
303	man
3915	line
7048	evolution
6050	modern
2713	type
3461	tooth
820	piece
1879	lower
2223	jaw
2937	belong
74279	piltdown
2183	skull
841	remarkable
8609	combination
1738	ape
2019	human
7165	characters
7052	regards
6088	brain
12512	inferred
2183	skull
4055	walls
322	sir
19283	arthur
40242	keith
516	says
852	essential
2501	features
6088	brain
6050	modern
303	man
417	seen
6088	brain
1745	cast
5703	regarded
2730	primitive
3896	doubt
500	built
2153	exactly
4263	lines
6050	modern
6465	brains
7447	minor
11577	alterations
473	make
845	respects
6050	modern
6088	brain
532	knowledge
2019	human
6088	brain
5045	limited
22441	areas
21596	assign
893	definite
5970	function
1994	rest
7685	assured
6088	brain
3803	shaped
3477	mould
706	similar
10537	responded
535	world
74279	piltdown
303	man
338	saw
1404	heard
2452	felt
1672	thought
6690	dreamt
436	years
6050	modern
3119	estimate
548	say
1328	half
2756	million
7801	agreement
5964	certainty
13969	antiquity
303	man
6050	modern
2713	type
2220	distinguishable
61074	collaterals
2791	hundreds
2714	thousands
436	years
915	general
7774	impression
4499	grand
4174	remote
13969	antiquity
35414	primate
609	stem
32797	diverged
5873	orders
1572	mammals
4834	sent
1144	forth
22018	tentative
1543	branches
1363	result
9995	tangle
8661	monkeys
5050	ages
2076	passed
8661	monkeys
3217	main
609	stem
5826	probing
1887	gave
62294	anthropoid
304	apes
3217	main
3915	line
1887	gave
5700	experiments
8364	indications
420	know
1334	java
25704	heidelberg
74281	neanderthal
74279	piltdown
8187	lasted
413	made
947	perfect
3475	represent
22018	tentative
276	men
967	day
4212	ceased
5973	predecessors
3200	ancestors
3217	main
609	stem
478	goes
24732	evolving
4091	bold
548	say
589	fruit
1969	bear
288	illustration
2940	model
74278	mcgregor
2156	profile
4991	view
747	head
74277	pithecanthropus
1334	java
1738	ape
303	man
54571	offshoot
3217	main
3915	line
303	man
6742	ascent
67	animal
525	remains
670	found
2183	skull
10893	cap
36675	thigh
7188	bone
1225	teeth
74277	pithecanthropus
1125	seem
2342	indicate
2749	lowest
44284	pleistocene
2772	period
436	years
288	illustration
34166	reconstruction
74278	mcgregor
74279	piltdown
2183	skull
2516	dark
748	parts
6438	preserved
7117	namely
4825	portions
2166	cranial
4055	walls
27917	nasal
778	bones
6811	authorities
6991	include
2216	canine
3461	tooth
839	part
1879	lower
2223	jaw
670	found
525	remains
670	found
12521	thames
44285	gravels
35233	sussex
5703	regarded
2686	vastly
4347	ancient
74281	neanderthal
303	man
1263	suggested
74279	piltdown
303	man
1360	lived
436	years
79	third
74585	interglacial
2772	period
288	illustration
7156	reproduced
389	permission
24618	osborn
276	men
359	old
4534	stone
1829	age
927	sand
3844	pit
74280	mauer
25704	heidelberg
6689	discovery
4185	site
2223	jaw
25704	heidelberg
303	man
20977	newer
7761	loess
79	third
74585	interglacial
74779	postglacial
884	times
8388	older
7761	loess
3891	sandy
7761	loess
74585	interglacial
884	times
8153	sands
74280	mauer
2196	intermediate
4927	layer
926	clay
411	white
6474	cross
12582	indicates
1857	spot
1779	base
8153	sands
74280	mauer
2223	jaw
25704	heidelberg
2396	discovered
2730	primitive
276	men
4347	ancient
48451	skeletons
276	men
6050	modern
2713	type
670	found
1184	places
74780	combe
74781	capelle
74782	dordogne
10452	galley
4922	hill
7690	kent
71671	cro
52593	magnon
40470	perigord
74783	mentone
74784	riviera
2272	referred
7417	cave
276	men
276	men
4534	stone
1829	age
2181	skulls
10367	foreheads
437	marked
28165	chins
2501	features
6050	modern
303	man
4110	possesses
276	men
548	say
10180	spirited
2004	pictures
413	made
4055	walls
4074	caves
3304	france
20460	spain
1725	show
4226	artistic
2096	sense
3005	skill
4134	finished
26766	statuettes
2005	representing
26765	nude
1688	female
5026	figures
664	known
1767	elaborate
7136	burial
2267	customs
223	point
5542	belief
74	life
2058	death
413	made
4534	stone
7763	implements
10380	knives
74785	scrapers
74786	gravers
2713	type
664	known
74787	palaeolithic
1725	show
429	interesting
10254	gradations
3005	skill
1197	peculiarities
433	style
7417	cave
276	men
1360	lived
79	third
5956	fourth
3897	ice
5050	ages
7417	cave
1969	bear
7417	cave
8318	lion
7417	cave
44010	hyaena
8297	mammoth
3618	woolly
9186	rhinoceros
22013	irish
8216	elk
1572	mammals
3469	extinct
900	taking
436	years
548	say
3159	big
37903	brained
2181	skulls
74787	palaeolithic
7417	cave
276	men
1725	show
2168	single
2518	feature
661	called
2730	primitive
1725	show
1225	teeth
885	size
838	form
2153	exactly
496	thousand
2811	generations
4367	afterwards
10632	suffering
60758	gumboil
1193	seems
3896	doubt
6448	vigorous
74787	palaeolithic
7417	cave
276	men
7317	europe
41084	contemporaneously
276	men
74281	neanderthal
5293	indirectly
13665	hastened
8389	disappearance
2730	primitive
61074	collaterals
6933	curiously
22850	adequate
11986	lasting
1627	power
7317	europe
1125	seem
839	part
21000	dwindled
3428	leaving
3155	stray
967	day
3085	survivors
3905	isolated
3362	districts
2219	probability
17428	decline
7317	europe
47481	repeopled
32850	immigrants
1255	asia
867	said
21715	inherent
44884	biological
4072	necessity
17428	decline
6448	vigorous
3093	race
67	animal
2117	races
1824	go
2771	millions
436	years
5134	mankind
158	historical
714	fact
2772	period
790	great
18827	racial
12111	vigour
3052	success
1189	followed
2772	period
17428	decline
4633	leading
7186	practical
8389	disappearance
893	definite
3093	race
6065	causes
13543	waning
656	remain
7734	obscure
74788	environmental
32094	constitutional
23708	competitive
599	introduction
6493	parasite
22355	malaria
22183	organism
3775	blame
3897	ice
5050	ages
2076	passed
436	years
74787	palaeolithic
7063	culture
1887	gave
1216	place
43331	neolithic
276	men
413	made
6348	rudely
4426	dressed
541	beautiful
4534	stone
7763	implements
2808	succeeded
2930	replaced
276	men
413	made
8095	polished
4534	stone
7763	implements
14175	earliest
6224	inhabitants
20243	scotland
43331	neolithic
7063	culture
4441	migrating
6973	continent
3897	ice
3779	fields
790	great
47289	glaciation
6738	disappeared
525	remains
856	associated
1834	fifty
1482	foot
5054	beach
715	dry
1796	seashore
43331	neolithic
259	days
664	known
276	men
8095	polished
1156	stones
2063	hunters
59211	fowlers
3990	fishermen
2017	domesticated
293	animals
314	agriculture
57	folk
1345	inches
1124	standard
735	active
19787	strenuous
74	life
7062	similarly
2627	south
322	sir
19283	arthur
40242	keith
2004	pictures
43331	neolithic
2562	community
74789	coldrum
7690	kent
25285	dating
436	years
15259	ticks
6220	geological
9801	clock
7682	consisted
2331	case
21712	agricultural
17608	pioneers
276	men
888	heads
3159	big
6465	brains
1345	inches
1350	shorter
11091	stature
6050	modern
5732	british
1902	average
25552	ft
1225	teeth
7794	broader
26880	palates
276	men
259	days
1896	soft
966	food
32475	beliefs
74	life
2058	death
706	similar
37035	swayed
10748	contemporaries
1800	western
4097	southern
7317	europe
429	interesting
74790	manipulative
3005	skill
4359	showed
1028	scale
37787	erecting
2284	standing
1156	stones
3553	connected
13096	calendar
1509	keeping
14960	worship
1028	scale
1422	making
3015	operations
2183	skull
496	thousand
436	years
1510	given
855	probable
32	date
2562	community
7690	kent
9248	evidences
43331	neolithic
303	man
1798	occur
3638	situations
4094	demand
731	greater
13969	antiquity
436	years
303	man
21	young
288	illustration
20832	paintings
1915	roof
17649	altamira
7417	cave
3752	northern
20460	spain
2301	showing
48122	bison
9203	galloping
11923	boar
4226	artistic
17204	drawings
1346	feet
1758	length
413	made
44807	reindeer
276	men
74791	cromagnards
607	time
1040	upper
166	post
8260	glacial
44284	pleistocene
1615	appearance
43331	neolithic
276	men
2851	chapter
6326	thrilling
246	story
6742	ascent
303	man
6106	metal
5050	ages
2096	sense
4719	continuing
11694	metals
4489	began
1927	late
8095	polished
4534	stone
43331	neolithic
884	times
74792	overlappings
17675	copper
2576	came
13249	bronze
862	iron
4814	working
17675	copper
4279	east
3431	traced
5956	fourth
15144	millennium
4347	ancient
17675	copper
1829	age
535	world
2709	hardly
867	said
1565	where
17675	copper
5259	scarce
7473	britain
8353	expect
540	find
905	trace
17675	copper
1829	age
44151	ores
11694	metals
1125	seem
74793	smelted
19309	experimental
42668	prehistoric
45810	metallurgists
13249	bronze
15040	alloy
7552	rewarded
8609	combination
6092	tin
17675	copper
1238	evidence
893	definite
13249	bronze
1829	age
17393	egypt
41307	babylonia
11021	greece
7317	europe
431	clear
876	why
862	iron
14175	earliest
6106	metal
303	man
862	iron
1829	age
7659	dates
2221	middle
15144	millennium
17393	egypt
10058	usage
2432	spread
3226	mediterranean
2293	region
2278	north
7317	europe
4672	discoveries
413	made
5634	central
7317	europe
3721	rich
862	iron
28960	mines
14983	saturated
47852	southwards
3282	instance
15131	route
17950	amber
10369	trade
20475	baltic
894	compared
4534	stone
11694	metals
6582	afforded
731	greater
16403	possibilities
7763	implements
11963	instruments
2082	weapons
6689	discovery
10058	usage
2825	undoubtedly
790	great
5076	influence
6742	ascent
303	man
1744	occasionally
5736	descent
14425	retrospect
3035	looking
5587	backwards
6619	discern
3429	stages
10030	setting
1812	apart
35414	primate
3020	stock
437	marked
1572	mammals
2424	tendency
3159	big
6465	brains
2000	free
418	hand
74794	gregariousness
1205	good
10431	humoured
39556	talkativeness
46257	divergence
74795	marmosets
535	world
8661	monkeys
359	old
535	world
8661	monkeys
3428	leaving
3020	stock
62294	anthropoid
3020	stock
733	common
967	day
3469	extinct
304	apes
5134	mankind
733	common
3020	stock
62294	anthropoid
304	apes
32797	diverged
20639	ignoble
1096	creatures
74765	humanoid
3020	stock
36	set
1812	apart
2330	latter
5123	follow
322	sir
19283	arthur
40242	keith
6811	authorities
9935	arose
661	called
11033	disparagement
22018	tentative
19309	experimental
276	men
7735	indicated
74277	pithecanthropus
1444	erect
25704	heidelberg
303	man
74796	neanderthalers
276	men
35233	sussex
43509	weald
12904	hinted
74279	piltdown
2183	skull
709	matters
2917	particular
17128	items
39418	corroborated
47775	disproved
25704	heidelberg
303	man
2576	came
74796	neanderthalers
915	general
17933	trend
7048	evolution
525	remains
431	clear
2331	case
1363	result
7048	evolution
35227	homo
74797	sapiens
303	man
1741	fellow
74798	neanderthaler
9935	arose
6	various
21025	stocks
2730	primitive
276	men
28492	proving
1072	holding
1501	fast
1205	good
74787	palaeolithic
17308	peoples
1909	rude
4534	stone
7763	implements
2341	strong
6448	vigorous
3093	race
2643	cases
23695	supplanted
568	fresh
5700	experiments
8662	arisen
21208	shoots
1832	growing
223	point
359	old
3093	race
568	fresh
54571	offshoot
60333	generalised
2376	members
1879	lower
1456	level
9898	eternal
13742	victory
2154	alike
16069	aristocracy
9280	democracy
74787	palaeolithic
276	men
12149	involved
1607	succession
790	great
3897	ice
5050	ages
74799	glaciations
2019	human
3093	race
18324	owes
44418	alternation
884	times
914	easy
884	times
8260	glacial
74585	interglacial
3897	ice
3779	fields
622	cleared
43331	neolithic
303	man
74800	innings
6283	closed
246	story
5976	meantime
6106	metal
5050	ages
288	illustration
10681	restoration
46638	modelled
74278	mcgregor
74279	piltdown
303	man
2436	preceding
74281	neanderthal
303	man
436	years
288	illustration
10681	restoration
46638	modelled
74278	mcgregor
74281	neanderthal
303	man
13545	la
32669	chapelle
30109	aux
23901	saints
276	men
3093	race
1360	lived
7317	europe
79	third
74585	interglacial
2772	period
5956	fourth
8260	glacial
6738	disappeared
1026	somewhat
1099	suddenly
2930	replaced
6050	modern
303	man
2713	type
74791	cromagnards
6812	regard
74281	neanderthal
276	men
2115	distinct
1330	species
1193	seems
39061	unfitting
223	point
1239	sound
382	note
303	man
6369	feeling
431	clear
88	william
1911	james
523	words
7188	bone
7188	bone
779	flesh
779	flesh
1328	half
18765	brutish
42668	prehistoric
8268	brothers
6227	girdled
2032	immense
3562	darkness
1008	mysterious
5097	universe
1140	born
1691	died
10194	suffered
9808	struggled
1510	given
3067	fearful
10746	crime
13114	passion
6256	plunged
39335	blackest
9899	ignorance
8774	preyed
10911	hideous
7534	grotesque
61114	delusions
10565	steadfastly
1873	serving
67382	profoundest
25908	ideals
604	fixed
7949	faith
844	existence
838	form
8682	non
844	existence
13892	rescued
16974	triumphantly
2061	jaws
15752	imminent
3894	destruction
13078	torch
74	life
10256	thanks
9894	lights
535	world
2117	races
5134	mankind
1510	given
925	variable
3020	stock
4894	spreading
19760	diverse
2465	territory
8353	expect
540	find
15961	splitting
2149	varieties
644	become
51719	steadied
2117	races
22306	incipient
1330	species
659	thus
2117	races
5866	hive
5346	bees
18882	italians
74801	punics
1144	forth
659	thus
9935	arose
2117	races
276	men
2727	types
10092	suited
22441	areas
843	periods
3338	breeding
2817	tended
473	make
19754	distinctive
1197	peculiarities
22306	incipient
3093	race
7118	defined
6880	stable
493	original
1197	peculiarities
548	say
5631	negro
32467	mongol
3470	australian
2163	caucasian
9935	arose
30889	brusque
6816	variations
57554	mutations
790	great
13355	staying
1627	power
1246	generation
1246	generation
1443	readily
12994	swamped
67060	intercrossing
20181	averaged
1197	peculiarities
952	changes
4168	climate
4666	surroundings
2842	speak
889	change
5922	producing
6977	factors
3520	provoke
20444	departures
1829	age
1829	age
568	fresh
18827	racial
4152	ventures
413	made
932	moreover
2645	occurrence
3338	breeding
2117	races
1808	met
4903	peace
4768	war
1438	certainly
5879	serve
12774	induce
568	fresh
19904	starts
7048	evolution
2019	human
2117	races
11940	alternating
2645	occurrence
843	periods
3338	breeding
47868	endogamy
8393	tending
23746	stability
46339	sameness
843	periods
3338	breeding
47869	exogamy
8393	tending
74697	changefulness
7466	diversity
659	thus
877	distinguish
2751	clearly
7118	defined
2730	primitive
2117	races
5134	mankind
15272	notably
2164	african
3470	australian
32590	mongolian
2163	caucasian
3618	woolly
10535	haired
2164	african
3093	race
5043	includes
23367	negroes
2730	primitive
2650	bushmen
7914	wavy
16855	curly
10535	haired
3470	australian
3093	race
5043	includes
8476	jungle
3494	tribes
64499	deccan
74802	vedda
18231	ceylon
8476	jungle
57	folk
74803	semang
1290	natives
13353	unsettled
748	parts
3225	australia
74804	slumped
1539	pre
64191	dravidians
1852	straight
10535	haired
9145	mongols
6991	include
9124	tibet
17669	indo
3231	china
3231	china
64546	formosa
49883	oceanic
1333	islands
2278	north
22690	japan
51071	lapland
74805	caucasians
6991	include
74806	mediterraneans
74807	semites
74808	nordics
42510	afghans
74809	alpines
7230	corners
532	knowledge
1242	difficult
2117	races
276	men
86	chief
1765	reason
448	movement
3963	migration
954	course
5050	ages
6151	physical
2713	type
10618	mingled
32984	inducing
305	strange
74810	amalgams
16607	novelties
39	start
661	called
38653	zoological
2117	races
19961	strains
6195	differing
3282	instance
1821	hair
3618	woolly
10535	haired
23042	africans
1852	straight
10535	haired
9145	mongols
16855	curly
7914	wavy
10535	haired
1539	pre
64191	dravidians
74805	caucasians
540	find
2930	replaced
17308	peoples
17422	mixtures
6	various
2117	races
5934	brethren
58249	civilisation
1103	blood
200	professor
16053	flinders
43602	petrie
867	said
3778	meaning
2481	term
3093	race
2846	group
2019	human
1021	beings
2713	type
33136	unified
2243	rate
32629	assimilation
1620	exceeding
2243	rate
889	change
40	produced
32512	infiltration
6756	foreign
808	elements
855	probable
1528	progress
4478	precise
42914	anthropology
473	make
877	distinguish
6	various
18827	racial
19961	strains
473	make
430	people
2019	human
2096	sense
3093	race
2341	strong
47743	convinces
522	reality
3426	scientific
6988	definition
1579	impossible
5732	british
7601	sailor
6814	expressed
579	answer
577	question
74811	dago
74812	dagoes
9800	replied
12537	wot
16916	isn
802	sort
16558	chaps
288	illustration
10681	restoration
60088	forestier
43899	rhodesian
303	man
2183	skull
2396	discovered
1663	attention
1893	drawn
4911	beetling
51607	eyebrow
2130	ridges
2692	projecting
1040	upper
2099	lip
1315	eye
7174	sockets
51798	poised
747	head
2341	strong
2494	shoulders
1943	squatting
8719	figure
16034	crushing
620	seeds
4534	stone
23344	crusher
3315	lying
3146	rock
288	illustration
10681	restoration
60088	forestier
43899	rhodesian
303	man
2183	skull
2396	discovered
8719	figure
23693	foreground
1072	holding
9558	staff
2201	shows
1444	erect
1564	attitude
1852	straight
743	legs
418	hand
1853	holds
720	flint
22720	implement
986	sitting
8719	figure
417	seen
4278	entrance
7417	cave
43899	rhodesian
7417	cave
303	man
5703	regarded
4097	southern
4848	representative
74281	neanderthal
3093	race
3469	extinct
2713	type
2196	intermediate
74281	neanderthal
276	men
6050	modern
303	man
2713	type
3175	steps
2019	human
7048	evolution
276	men
9935	arose
5363	believe
74813	variational
57790	uplifts
3267	considerable
1277	magnitude
441	led
3159	big
6319	complex
6465	brains
1627	power
6116	reasoned
9972	discourse
4263	lines
2857	mammalian
7048	evolution
607	time
607	time
790	great
4582	advances
885	size
7049	complexity
6088	brain
431	clear
3282	instance
2331	case
2741	horses
2568	elephants
294	birds
894	compared
2813	reptiles
12588	recognises
1456	level
22741	excellence
1603	attained
22158	vocal
508	powers
790	great
22139	cerebral
4582	advances
2576	came
420	know
3217	main
74814	trends
67	animal
7048	evolution
7716	improve
3558	nervous
4412	system
379	suggestions
413	made
22235	prolongation
2772	period
11681	ante
23045	natal
74	life
11519	intimate
7045	physiological
21028	partnership
1199	mother
413	made
12870	practicable
39	start
1027	higher
66181	mammal
6088	brain
1879	lower
5873	orders
64741	insectivores
4027	rodents
67353	marsupials
1565	where
2772	period
1813	birth
48156	gestation
420	know
2143	individual
955	development
6088	brain
12761	profoundly
18073	influenced
3013	internal
22259	secretions
74318	ductless
7171	glands
15272	notably
64352	thyroid
1412	organ
74815	functioning
1913	properly
505	child
6088	brain
955	development
4195	arrested
5105	increased
9506	production
74317	hormones
954	course
7523	accounted
22131	stimulated
6088	brain
955	development
303	man
4174	remote
3200	ancestors
1510	given
2122	variability
3915	line
6465	brains
1510	given
648	process
2454	discriminate
15568	sifting
12926	consistently
2160	offer
16342	rewards
25728	alertness
21714	foresight
3902	kin
7061	sympathy
2820	parental
1237	care
1193	seems
790	great
2125	difficulty
14439	imagining
303	man
60552	evolve
1260	think
33734	aristotle
24958	newton
627	fine
5065	results
2240	justify
12386	groaning
74416	travailing
1260	think
1902	average
276	men
2730	primitive
17308	peoples
967	day
74816	forbears
3198	remember
303	man
2814	advance
6907	dependent
2146	external
22798	registration
4311	social
28341	heritage
1833	slowly
2615	changing
4	natural
1200	inheritance
3035	looking
5587	backwards
1579	impossible
1260	think
2605	fail
11210	recognise
1528	progress
1424	ring
462	truth
627	fine
3998	description
52949	aeschylus
1887	gave
2730	primitive
276	men
48912	beholding
12825	beheld
4394	vain
2094	hearing
1404	heard
6026	shapes
12598	dreams
633	mixed
530	things
9140	wildly
9941	tedious
607	time
4177	knew
1007	build
3901	house
1921	sun
74817	wicketed
584	sides
38161	woodwork
4177	knew
1360	lived
8847	silly
336	ants
626	ground
4077	hollow
4074	caves
74818	unsunned
2576	came
37192	steadfast
2206	sign
309	winter
879	spring
939	flower
18557	perfumed
3593	summer
498	full
589	fruit
12039	blindly
74819	lawlessly
530	things
7738	contrast
6953	picture
1464	position
303	man
967	day
33644	mastered
5484	forces
439	nature
7891	learning
7	use
8991	resources
22765	economically
14287	harnessed
17489	electricity
12849	chariot
413	made
21651	ether
1711	carry
9644	messages
12159	tapped
1169	supplies
424	material
2098	seemed
7736	centuries
49712	unavailable
6961	learned
3282	instance
5197	capture
68651	utilise
2000	free
812	nitrogen
821	air
13184	telegraph
35510	wireless
13450	annihilated
1405	distance
901	added
33617	navigable
3725	kingdom
7814	depths
65	sea
9139	heights
821	air
8267	conquered
5306	disease
21	young
392	science
6822	heredity
2301	showing
10178	control
2017	domesticated
293	animals
3435	cultivated
447	plants
439	nature
2811	generations
12801	unborn
5997	faults
42677	ethical
401	face
36	set
2073	direction
3217	main
3915	line
448	movement
2957	fuller
37383	embodiment
541	beautiful
1205	good
3816	healthy
1002	lives
33004	increasingly
1127	satisfaction
288	illustration
35411	photo
5732	british
2200	museum
4	natural
5	history
1503	side
4991	view
42668	prehistoric
2019	human
2183	skull
2396	discovered
1673	broken
4922	hill
7417	cave
3752	northern
23046	rhodesia
1889	striking
2500	prominent
51607	eyebrow
2130	ridges
995	broad
4736	massive
401	face
2183	skull
3241	looks
38053	domed
6050	modern
303	man
2166	cranial
10107	capacity
2749	lowest
2019	human
1375	limit
1225	teeth
429	interesting
2301	showing
437	marked
45364	rotting
55612	caries
10150	hitherto
1191	unknown
42668	prehistoric
2181	skulls
2219	probability
43899	rhodesian
303	man
2164	african
4848	representative
3469	extinct
74281	neanderthal
1330	species
10150	hitherto
664	known
7317	europe
288	illustration
10681	restoration
46638	modelled
74278	mcgregor
74282	cromagnon
303	man
74283	cromagnard
4848	representative
2341	strong
4226	artistic
3093	race
2627	south
3304	france
1040	upper
44284	pleistocene
436	years
2098	seemed
1360	lived
41084	contemporaneously
74281	neanderthal
276	men
65119	interbreeding
74791	cromagnards
2732	survive
3093	race
7558	declined
74820	repopulation
7317	europe
4279	east
288	illustration
7156	reproduced
389	permission
24618	osborn
276	men
359	old
4534	stone
1829	age
17163	photograph
2301	showing
1005	narrow
1658	passage
7418	cavern
30305	font
1771	de
74284	gaume
74285	beune
7418	cavern
4055	walls
2800	crowded
27392	engravings
3788	wall
807	shown
17163	photograph
8094	painted
48122	bison
790	great
15110	gallery
670	found
3798	eighty
5026	figures
48122	bison
44807	reindeer
53530	mammoths
2091	specimen
7156	reproduced
288	illustration
8297	mammoth
1893	drawn
3788	wall
30305	font
1771	de
74284	gaume
7418	cavern
8297	mammoth
1829	age
2221	middle
44284	pleistocene
74281	neanderthal
276	men
9180	flourished
436	years
288	illustration
44409	grazing
48122	bison
3134	delicately
1214	carefully
1893	drawn
16099	engraved
3788	wall
17649	altamira
7417	cave
3752	northern
20460	spain
558	work
44807	reindeer
303	man
74283	cromagnard
1040	upper
166	post
8260	glacial
44284	pleistocene
436	years
38056	firelight
1422	making
7417	cave
17204	drawings
27392	engravings
6977	factors
2019	human
1528	progress
5363	believe
8602	gains
7552	rewarded
1541	arboreal
25590	apprenticeship
303	man
3200	ancestors
5065	results
3428	leaving
1377	trees
2943	coming
764	solid
64	earth
6008	transition
437	marked
13527	emergence
22018	tentative
276	men
790	great
3175	steps
1189	followed
1611	greatest
4814	working
5841	spoken
34	language
2146	external
5678	methods
22798	registration
10776	invention
9870	tools
6689	discovery
7	use
5821	fire
66251	utilisation
862	iron
11694	metals
38367	taming
343	wild
293	animals
2093	dog
3885	sheep
2741	horses
4989	cattle
17131	cultivation
343	wild
447	plants
603	wheat
2368	rice
22708	irrigation
3779	fields
5050	ages
4072	necessity
1199	mother
10776	invention
4724	curiosity
1194	father
385	miss
2404	heart
428	matter
4264	forget
795	importance
6587	leisure
607	time
7936	wherein
1635	observe
1260	think
64	earth
12488	clouded
8821	stars
3852	hidden
276	men
1740	eyes
5	history
3093	race
6587	leisure
607	time
474	observations
8821	stars
303	man
2396	discovered
4260	regularity
2658	year
3274	got
998	fundamental
7006	impressions
534	order
439	nature
392	science
6671	founded
1260	think
2751	clearly
6977	factors
2019	human
1528	progress
8404	recall
790	great
44884	biological
6675	ideas
22183	organism
22214	environment
74815	functioning
303	man
2725	mean
736	creature
6087	outcome
1203	parents
3200	ancestors
568	fresh
2744	expression
4111	bodily
6194	mental
1200	inheritance
4666	surroundings
5384	including
4168	climate
605	soil
447	plants
293	animals
5278	allow
6235	activities
2933	sorts
13164	occupations
1240	habits
511	actions
21604	reactions
303	man
58970	milieu
434	deal
57	folk
1216	place
558	work
26992	famille
9487	lieu
31012	travail
74821	leplay
72	school
57	folk
2019	human
1528	progress
5261	depends
24797	intrinsic
18827	racial
5331	qualities
15272	notably
5139	health
12111	vigour
739	body
13877	clearness
25728	alertness
2443	mind
4439	indispensable
74822	sociality
1439	powerful
6977	factors
535	world
431	clear
6675	ideas
2462	minds
1594	energetic
276	men
1205	good
2147	differences
4111	bodily
6194	mental
5139	health
5684	mark
2117	races
21025	stocks
430	people
5684	mark
2142	individuals
25835	traceable
62069	germinal
6816	variations
57554	mutations
958	kind
15568	sifting
3093	race
3020	stock
6664	subjected
74595	easygoing
539	conditions
22173	stimulus
20444	departures
15568	sifting
1528	progress
12578	demands
1216	place
4597	plain
22441	areas
994	differ
1414	greatly
424	material
8991	resources
74823	availability
932	moreover
1100	abundant
424	material
8991	resources
473	make
1528	progress
4168	climate
1443	readily
60663	utilised
815	indeed
4168	climate
790	great
6977	factors
58249	civilisation
1287	stimulating
16278	depressing
7939	energy
1216	place
39345	favouring
447	plants
293	animals
303	man
1216	place
3102	preventing
2287	presence
932	moreover
4168	climate
1833	slowly
1086	changed
1829	age
1829	age
558	work
838	form
58249	civilisation
4979	measure
6907	dependent
5600	primary
13164	occupations
3466	hunting
5599	fishing
33578	farming
74824	shepherding
22797	industries
5050	ages
7379	profound
41370	moulding
5087	effect
2143	individual
548	say
6977	factors
2019	human
1528	progress
9344	aspects
57	folk
1216	place
558	work
1528	progress
1160	continue
6880	stable
4263	lines
11210	recognise
852	essential
67173	correlation
39445	fitter
57	folk
739	body
2443	mind
7729	improved
1240	habits
1024	functions
2154	alike
558	work
6587	leisure
22872	bettered
4666	surroundings
2187	widest
8973	deepest
2096	sense
17123	bibliography
319	darwin
194	charles
5736	descent
303	man
21601	haddon
2117	races
276	men
21601	haddon
5	history
42914	anthropology
74825	keane
303	man
40242	keith
19283	arthur
13969	antiquity
303	man
39474	lull
21627	organic
7048	evolution
74612	mccabe
16111	joseph
7048	evolution
6046	civilization
74826	marett
42914	anthropology
188	university
23	library
24618	osborn
276	men
4534	stone
1829	age
74827	sollas
4347	ancient
2063	hunters
6050	modern
3946	representatives
74828	tylor
42914	anthropology
2730	primitive
7063	culture
257	vi
7048	evolution
2892	going
7048	evolution
2892	going
7048	evolution
417	seen
5254	previous
2851	chapter
2472	word
3093	race
5	history
553	means
3108	ceaseless
648	process
3504	becoming
24522	linking
1246	generation
1246	generation
1096	creatures
14371	doctrine
7048	evolution
125	states
714	fact
505	child
2955	parent
2984	future
2637	comes
447	plants
293	animals
420	know
3199	descended
3200	ancestors
2843	simpler
1025	others
2843	simpler
4599	reach
1096	creatures
7441	unfortunately
420	know
7048	evolution
648	process
18827	racial
889	change
893	definite
2073	direction
22541	whereby
2162	forms
5952	arise
953	take
611	root
9985	flourish
1216	place
3200	ancestors
2643	cases
2843	simpler
679	structure
26937	behaviour
3146	rock
5402	record
1079	wrong
2848	read
17346	wrongly
2201	shows
2751	clearly
607	time
5	history
64	earth
74467	backboned
293	animals
295	fishes
5050	ages
2076	passed
5919	evolved
2783	amphibians
1706	fingers
1992	toes
7369	scrambling
715	dry
274	land
5050	ages
2076	passed
5919	evolved
2813	reptiles
6260	bewildering
2716	profusion
355	fish
2812	lizards
65	sea
16928	serpents
3300	terrestrial
7243	dragons
1571	flying
7243	dragons
1153	prolific
2137	varied
3020	stock
3300	terrestrial
74571	dinosaurs
1193	seems
294	birds
1572	mammals
9935	arose
3343	succeeding
5050	ages
5919	evolved
4463	variety
294	birds
4463	variety
1572	mammals
9935	arose
303	man
577	question
706	similar
4003	processes
7048	evolution
2892	going
13684	keenly
2224	aware
3790	rapid
952	changes
5134	mankind
4420	concern
4311	social
28341	heritage
779	flesh
1103	blood
4	natural
1200	inheritance
540	find
2125	difficulty
1581	idea
7048	evolution
2892	going
5134	mankind
420	know
7738	contrast
6050	modern
303	man
2730	primitive
303	man
8773	convinced
1528	progress
522	reality
36236	degeneration
36	set
10591	awful
9485	possibility
61493	involution
7048	evolution
2892	going
4676	became
607	time
426	rule
13	give
1206	hope
3093	race
3340	recover
1149	begin
931	afresh
1824	go
1507	forward
74829	retrogressions
5	history
74	life
649	continued
74830	unthinkably
5050	ages
790	great
2117	races
1571	flying
7243	dragons
3282	instance
644	become
10231	utterly
3469	extinct
3428	leaving
25286	successors
11	whatsoever
1190	feel
1528	progress
15861	nobler
24796	masterful
35938	emancipated
4039	intelligent
2162	forms
74	life
1528	progress
5134	mankind
5703	regarded
6665	affording
4096	enduring
1127	satisfaction
1260	think
7048	evolution
2892	going
5134	mankind
7048	evolution
67201	chequered
61493	involution
3430	progressive
7048	evolution
46256	evolutionary
4383	prospect
303	man
4340	likely
303	man
739	body
5314	admit
790	great
889	change
1137	room
11299	improvement
34154	superfluous
1758	length
966	food
5613	canal
49650	overcrowding
1225	teeth
4340	likely
32094	constitutional
952	changes
2583	prolonged
13376	youthfulness
1027	higher
1124	standard
22178	healthfulness
731	greater
1715	resistance
5306	disease
33507	justifiable
1851	look
1507	forward
790	great
10696	improvements
2085	intelligence
10178	control
74831	potentialities
2019	human
6088	brain
60663	utilised
498	full
20444	departures
6704	promise
4080	continual
2645	occurrence
790	great
795	importance
20444	departures
6816	variations
3810	emerge
627	fine
549	children
23405	fostered
16698	nipped
46214	bud
4311	social
22214	environment
2729	education
16	included
46256	evolutionary
4383	prospect
303	man
11711	promising
288	illustration
17163	photograph
8426	median
6029	section
48870	pearly
67827	nautilus
5506	terminal
4059	chamber
1753	occupied
67	animal
288	illustration
17163	photograph
3308	entire
48870	pearly
67827	nautilus
14860	headquarters
67827	nautilus
3228	indian
5646	pacific
38559	oceans
1110	swim
935	surface
65	sea
3906	creep
1833	slowly
1491	floor
1062	comparatively
4305	shallow
635	water
288	illustration
67827	nautilus
6029	section
48870	pearly
67827	nautilus
67827	nautilus
19477	pompilius
733	common
9308	malay
23191	fiji
1345	inches
67	animal
1002	lives
4059	chamber
3220	tube
737	runs
3805	empty
4445	chambers
57739	perforating
5876	partitions
20280	se
5243	bulk
67	animal
437	marked
74832	vm
1315	eye
807	shown
7556	hood
437	marked
749	mouth
2552	numerous
46064	lobes
3297	bearing
74709	protrusible
8482	tentacles
807	shown
67	animal
7098	swimming
935	surface
8482	tentacles
27955	radiate
5367	directions
2395	described
40980	cauliflower
10299	sticking
48870	pearly
67827	nautilus
1205	good
699	example
20869	conservative
2713	type
4489	began
67822	triassic
10774	era
1161	family
74833	nautiloids
559	belongs
24445	illustrates
12590	vividly
2074	meant
9195	dwindling
3093	race
74833	nautiloids
4489	began
41335	cambrian
4620	reached
5027	golden
1829	age
67824	silurian
4489	began
17428	decline
3286	markedly
44079	carboniferous
3469	extinct
6834	fossil
1330	species
74833	nautiloids
967	day
288	illustration
35411	photo
74235	berridge
74286	shoebill
321	bird
2271	savage
439	nature
12172	mixing
9170	marsh
294	birds
1123	according
1355	dr
42239	chalmers
24005	mitchell
2201	shows
43973	affinities
4562	herons
67880	storks
5208	pelicans
74834	gannets
4848	representative
2713	type
2332	equal
4562	herons
67880	storks
2105	falling
12333	realise
621	plant
293	animals
7048	evolution
2892	going
11788	fountain
889	change
2122	variability
1264	ordinary
3159	big
9801	clock
1443	readily
486	see
673	minute
418	hand
2524	moving
9801	clock
6185	struck
408	hundred
436	years
6597	conceive
430	people
15884	arguing
643	hands
504	move
952	changes
1824	go
1246	generation
1246	generation
1096	creatures
59283	flux
1818	slow
4022	flowing
44100	glacier
430	people
2605	fail
8773	convinced
522	reality
954	course
1301	admitted
2013	kinds
1096	creatures
4841	lamp
74835	ligula
48870	pearly
67827	nautilus
2709	hardly
889	change
1829	age
1829	age
1025	others
294	birds
3659	butterflies
1638	giving
949	rise
165	evening
51308	primrose
447	plants
589	fruit
962	fly
74836	drosophila
293	animals
664	known
2894	examples
21525	organisms
36958	sporting
74837	mutating
5526	mood
2516	dark
2149	varieties
3642	moth
61601	peppered
3642	moth
900	taking
1216	place
14006	paler
2713	type
748	parts
174	england
2516	dark
2162	forms
703	sugar
321	bird
182	west
3228	indian
1333	islands
820	piece
17532	statistics
4103	worked
200	professor
74838	punnett
1801	population
616	contains
2736	cent
4463	variety
4463	variety
2736	cent
6819	selection
3092	advantage
493	original
838	form
2330	latter
1628	completely
1088	disappear
408	hundred
2811	generations
802	sort
481	thing
2892	going
535	world
8035	untold
5050	ages
401	face
36851	animate
439	nature
5341	consequently
1086	changed
6464	impressed
1889	striking
16607	novelties
5112	crop
456	clever
12579	dwarf
1122	musical
6053	genius
41628	calculating
3684	boy
3207	cock
25552	ft
3136	tail
296	wonder
2870	horse
9111	mane
1831	reaching
626	ground
63500	tailless
3423	cat
411	white
4555	blackbird
17675	copper
3911	beech
731	greater
72685	celandine
1224	cut
586	leaves
802	sort
68020	mutation
733	common
1353	smaller
30889	brusque
6816	variations
20187	commoner
838	form
916	raw
917	materials
7048	evolution
2765	actually
2284	standing
2022	apparently
33869	inexhaustible
11788	fountain
889	change
7048	evolution
2892	going
36958	sporting
74516	jellyfish
444	interest
5191	consider
733	common
67	animal
74516	jellyfish
74839	aurelia
5850	admirably
10092	suited
5472	leisurely
74	life
65	sea
1565	where
8025	swims
24481	contracting
7106	saucer
3803	shaped
739	body
659	thus
2560	driving
635	water
5031	concavity
553	means
2771	millions
6234	stinging
3551	cells
74297	frilled
2049	lips
8651	marginal
8482	tentacles
1172	able
51880	paralyse
9080	lasso
673	minute
3728	crustaceans
38272	wafts
749	mouth
19457	eventful
74	life
5	history
561	youth
587	pass
604	fixed
2798	stage
1078	fastened
3146	rock
38504	seaweed
1660	successful
67	animal
10092	suited
2466	habitat
2766	practically
28290	cosmopolitan
2622	distribution
1438	certainly
359	old
2237	established
736	creature
925	variable
9916	colour
885	size
3013	internal
679	structure
885	size
7106	saucer
11942	soup
8582	plate
6459	giants
1346	feet
3804	diameter
664	known
2174	variation
9916	colour
885	size
20345	inborn
952	changes
679	structure
21534	normally
74516	jellyfish
748	parts
68046	multiples
659	thus
74297	frilled
2049	lips
4744	tufts
12781	digestive
8490	filaments
977	stomach
7911	brightly
3288	coloured
61494	reproductive
1589	organs
2770	eight
2096	sense
1589	organs
7917	margin
6090	disc
2770	eight
13295	branched
2770	eight
46233	unbranched
45877	radial
23413	canals
868	running
5634	central
977	stomach
5613	canal
1786	circumference
223	point
1638	giving
6559	details
540	find
74516	jellyfish
748	parts
21172	sixes
47337	fives
1810	threes
617	multitude
7447	minor
61181	idiosyncrasies
2237	established
74516	jellyfish
11788	fountain
889	change
32139	sec
7048	evolution
447	plants
8341	instructive
1851	look
6	various
2013	kinds
36430	cabbages
40980	cauliflower
21196	brussels
64889	sprouts
66477	kale
16855	curly
20380	greens
3198	remember
34370	scions
11711	promising
343	wild
40077	cabbage
670	found
1281	shores
12727	aristocrat
4178	apple
1377	trees
5408	orchards
3199	descended
26853	plebeian
8572	crab
4178	apple
9974	roadside
420	know
4478	precise
2474	origin
3435	cultivated
447	plants
3896	doubt
303	man
3274	got
1067	hold
1754	took
3092	advantage
2122	variability
2148	establish
3093	race
3093	race
548	say
2071	rose
74840	chrysanthemum
8407	potato
21866	cereal
7048	evolution
3435	cultivated
447	plants
4719	continuing
1740	eyes
33721	creations
390	mr
20912	luther
21713	burbank
74841	stoneless
5488	plum
74133	primus
5167	berry
62456	spineless
50659	cactus
74842	shasta
16798	daisy
449	merely
1889	striking
2746	instances
2892	going
1765	reason
5363	believe
2897	domestic
2093	dog
277	risen
884	times
2115	distinct
3200	ancestors
4089	wolf
9597	jackal
44117	coyote
41493	multiple
67206	pedigree
667	allowed
2331	case
2093	dog
6812	regard
2017	domesticated
293	animals
3159	big
714	fact
790	great
4463	variety
5047	breeds
303	man
1172	able
9489	fix
3274	got
4507	started
2017	domesticated
2713	type
437	marked
5047	breeds
2897	domestic
4324	pigeons
2341	strong
1238	evidence
3199	descended
343	wild
3146	rock
2966	dove
2552	numerous
2013	kinds
5176	poultry
3199	descended
8476	jungle
734	fowl
748	parts
7284	india
9308	malay
1333	islands
2456	familiar
303	man
2842	speak
68819	unpacked
6319	complex
7282	fur
343	wild
8334	rabbit
2237	established
2552	numerous
9916	colour
2149	varieties
486	see
2897	domestic
2828	rabbits
1812	apart
9916	colour
2149	varieties
10535	haired
74843	angoras
10039	quaint
74844	lop
7472	eared
2162	forms
2438	points
7048	evolution
2892	going
12178	romance
603	wheat
664	known
43331	neolithic
303	man
4474	grew
603	wheat
6811	authorities
640	put
32	date
603	wheat
606	harvest
1828	fifteen
496	thousand
1827	ten
496	thousand
436	years
4347	ancient
74766	civilisations
41307	babylonia
17393	egypt
19236	crete
11021	greece
11022	rome
4596	largely
1303	based
603	wheat
2089	highly
855	probable
790	great
50548	wheatfields
7902	fertile
274	land
37438	tigris
32485	euphrates
2646	oldest
18788	egyptian
32748	tombs
771	contain
603	wheat
74845	germinates
74552	millennia
1994	rest
2937	belong
18605	dynasty
496	thousand
436	years
359	old
5	history
603	wheat
429	interesting
714	fact
8288	ancestor
3435	cultivated
603	wheat
33749	arid
5233	rocky
1370	slopes
6403	mount
74846	hermon
661	called
74847	triticum
74848	hermonis
6422	varying
15272	notably
967	day
1887	gave
949	rise
74849	emmer
3435	cultivated
43331	neolithic
1829	age
8288	ancestor
1264	ordinary
58677	wheats
1260	think
43331	neolithic
303	man
7261	noticing
3159	big
620	seeds
74846	hermon
2416	grass
2010	gathering
888	heads
2039	breaking
4231	brittle
74850	spikelet
3297	bearing
16951	axis
1706	fingers
12513	knocking
692	rough
67492	awns
61567	bruising
74851	spikelets
418	hand
74852	glumes
13185	chaff
942	separated
8021	blown
10867	chewing
9335	mouthful
620	seeds
39811	resolving
12078	sow
12078	sow
526	beginning
246	story
954	course
303	man
1754	took
3092	advantage
2552	numerous
6816	variations
13747	cropped
36958	sporting
3020	stock
2237	established
1660	successful
3093	race
3779	fields
26076	virgil
19804	refers
47377	georgics
2010	gathering
1344	largest
7298	fullest
890	ears
603	wheat
534	order
919	get
1205	good
732	seed
23072	sowing
5337	quarter
9228	nineteenth
7506	century
790	great
1556	step
976	taken
276	men
21021	patrick
15411	sheriff
74853	haddington
8988	deliberately
421	selecting
2143	individual
890	ears
790	great
22741	excellence
74854	segregating
3950	progeny
9165	mingling
39956	mediocre
3020	stock
693	method
1189	followed
841	remarkable
3052	success
6050	modern
884	times
6977	factors
1521	assisted
2252	allies
14424	overcoming
966	food
13493	crisis
11242	darkest
2772	period
4768	war
528	virtue
11796	marquis
603	wheat
1153	prolific
11409	ripening
3760	red
879	spring
603	wheat
1447	excellent
17487	milling
16406	baking
5331	qualities
8729	dominant
879	spring
603	wheat
9217	canada
124	united
125	states
19382	enormously
5105	increased
422	wealth
535	world
1827	ten
436	years
223	point
911	simply
11796	marquis
603	wheat
627	fine
699	example
7048	evolution
2892	going
5675	upwards
13183	bushels
603	wheat
1516	raised
2278	north
1254	america
5675	upwards
13183	bushels
1299	originated
2168	single
698	grain
7688	planted
19309	experimental
12817	plot
29105	ottawa
1355	dr
194	charles
25504	saunders
4461	recently
879	spring
288	illustration
1513	walking
355	fish
3567	mud
39392	skipper
74287	periophthalmus
733	common
3536	mouths
4042	rivers
1252	tropical
1270	africa
1255	asia
2278	north
182	west
3225	australia
27131	skips
553	means
2341	strong
7856	pectoral
2784	fins
3567	mud
17695	flats
1530	jumps
4534	stone
4534	stone
3466	hunting
2787	shore
293	animals
1862	climbs
948	roots
44325	mangrove
1377	trees
36	set
1740	eyes
21229	protrude
1414	greatly
2513	mobile
3136	tail
1193	seems
1220	help
22416	respiration
288	illustration
35411	photo
884	times
3470	australian
8032	pork
74288	podargus
321	bird
1029	frog
749	mouth
797	allied
5732	british
74716	nightjar
173	london
38653	zoological
1577	gardens
3386	capacious
749	mouth
10092	suited
74432	engulfing
1699	insects
3185	locusts
74855	mantises
1941	mostly
1657	caught
1377	trees
967	day
8032	pork
1029	frog
749	mouth
3579	sleeps
1535	upright
1596	branch
4250	mottled
239	brown
4289	plumage
1961	makes
5816	invisible
288	illustration
34403	pelican
4292	bill
4233	adapted
5807	catching
17717	storing
295	fishes
2584	enormous
74856	dilatable
1046	sac
1879	lower
2223	jaw
288	illustration
44333	hornbill
4292	bill
4233	adapted
4223	excavating
340	nest
492	tree
1625	seizing
2039	breaking
19760	diverse
2162	forms
966	food
1572	mammals
68039	tortoises
948	roots
2614	fruits
7	use
35232	helmet
57488	casque
7734	obscure
288	illustration
5577	spoonbill
4292	bill
4233	adapted
15568	sifting
3567	mud
5807	catching
293	animals
295	fishes
3728	crustaceans
1083	insect
22771	larvae
1653	live
288	illustration
51833	falcon
4292	bill
4233	adapted
1625	seizing
2559	killing
4853	tearing
1572	mammals
294	birds
288	illustration
74289	avocet
4292	bill
4233	adapted
1918	curious
7947	sideways
74290	scooping
2787	shore
1092	pools
5807	catching
293	animals
288	illustration
39144	puffin
4292	bill
4233	adapted
5807	catching
295	fishes
935	surface
65	sea
1072	holding
1657	caught
2565	carrying
340	nest
5765	scaly
1936	covering
6808	moulted
3570	autumn
12955	dwell
2917	particular
3282	instance
7048	evolution
2074	meant
3093	race
6119	wish
200	professor
74857	buller
20347	essays
603	wheat
2177	explain
693	method
1205	good
732	seed
2396	discovered
3167	learn
2955	parent
11796	marquis
603	wheat
1183	male
1503	side
7317	europe
3760	red
13223	fife
3195	class
21866	cereal
2955	parent
1688	female
1503	side
11711	promising
66304	nondescript
719	pure
6932	bred
603	wheat
661	called
3760	red
7293	calcutta
17305	imported
7284	india
9217	canada
2358	thirty
436	years
1194	father
839	part
16724	cargo
2576	came
20475	baltic
23226	glasgow
11004	happily
16	included
12226	sample
4834	sent
28	david
13223	fife
44465	ontario
21495	kernel
12226	sample
28	david
13223	fife
4507	started
3020	stock
3760	red
13223	fife
2356	crossed
1355	dr
25504	saunders
3760	red
7293	calcutta
1363	result
6474	cross
13250	medley
2727	types
813	nearly
408	hundred
2149	varieties
464	altogether
51649	scrutinising
1355	dr
25504	saunders
3368	hit
11796	marquis
4103	worked
8180	steadily
424	material
2449	studying
747	head
747	head
18216	resulted
23072	sowing
421	selecting
1887	gave
6704	promise
888	heads
285	selected
6821	propagated
5065	results
6468	rejected
9486	elect
7715	sifted
4184	finally
11796	marquis
603	wheat
10304	emerged
3721	rich
21499	constructive
16403	possibilities
7259	valuable
966	food
621	plant
535	world
12178	romance
2848	read
5112	crop
603	wheat
3603	destined
1329	dozen
436	years
69151	overtax
8264	mightiest
24281	elevators
274	land
4032	stored
309	winter
2270	paper
9997	packet
712	larger
8373	envelope
659	thus
343	wild
603	wheat
6403	mount
74846	hermon
5919	evolved
966	food
447	plants
535	world
6432	surely
7048	evolution
2892	going
32139	sec
952	changes
67	animal
74	life
1093	country
695	gives
18889	convincing
7774	impression
7048	evolution
1607	succession
2004	pictures
67	animal
74	life
1093	country
5050	ages
1355	dr
1911	james
61119	ritchie
192	naturalist
996	distinction
5528	written
8420	masterly
3	book
5076	influence
303	man
67	animal
74	life
20243	scotland
919	get
1607	succession
2004	pictures
516	says
43972	fauna
3137	constant
1032	state
12887	uneasy
11525	restlessness
11809	assemblage
1096	creatures
748	parts
55520	ebbs
1104	flows
2477	local
5076	influence
5481	plays
4020	temporary
2477	local
952	changes
23231	endless
5095	disturbances
74858	readjustments
1492	balance
439	nature
2658	year
5390	plague
164	field
64122	voles
2658	year
3833	grouse
5306	disease
19799	rife
1216	place
2549	huge
2764	increase
58797	starlings
1216	place
2828	rabbits
7254	cockchafers
19792	ascendant
3706	moles
11541	spoiling
4143	pasture
748	parts
28661	fluctuate
43972	fauna
5322	follows
6409	path
3013	internal
12161	tides
1656	swing
4277	fro
1902	average
1456	level
4019	drift
1819	carries
43972	fauna
4111	bodily
74859	irretraceable
954	course
1993	partly
384	due
3267	considerable
952	changes
4168	climate
4168	climate
1139	calls
12252	tune
1096	creatures
3917	dance
384	due
20444	departures
293	animals
1824	go
3469	extinct
293	animals
465	lost
67383	faunas
5050	ages
7473	britain
766	plenty
14420	relics
8788	illustrate
522	reality
74860	faunal
4019	drift
5124	useful
288	illustration
7048	evolution
1733	notice
5248	happened
20243	scotland
612	end
790	great
3897	ice
1829	age
1926	nine
496	thousand
436	years
3252	headed
3735	square
74861	jawed
51176	limbed
1427	agile
2063	hunters
3990	fishermen
1113	call
43331	neolithic
303	man
2237	established
20243	scotland
1032	state
1093	country
1093	country
1131	swamps
1788	low
1268	forests
8593	birch
38925	alder
8202	willow
7902	fertile
5226	meadows
3937	snow
47191	capped
1791	mountains
44683	estuaries
4136	penetrated
1012	further
1797	inland
65	sea
4332	stood
1456	level
1834	fifty
1482	foot
5054	beach
1790	plains
1268	forests
9072	roamed
1096	creatures
305	strange
43972	fauna
967	day
8216	elk
44807	reindeer
343	wild
4989	cattle
343	wild
11923	boar
343	wild
2741	horses
43972	fauna
293	animals
4656	paid
15997	toll
1305	european
44118	lynx
239	brown
1969	bear
4089	wolf
13571	likelihood
4647	marshes
10287	resounded
13061	boom
45386	bittern
1790	plains
3338	breeding
1139	calls
10532	crane
790	great
44332	bustard
1355	dr
61119	ritchie
9067	initial
6953	picture
288	illustration
74	life
5	history
1029	frog
3129	hatching
10727	newly
991	hatched
22771	larvae
1591	hanging
635	water
3254	weed
2146	external
1034	gills
2146	external
1034	gills
740	covered
4120	absorbed
3295	limbless
3639	larva
2064	month
359	old
3013	internal
1034	gills
1031	tadpole
1532	hind
743	legs
2704	months
359	old
7181	fore
1533	limbs
4013	emerging
743	legs
2000	free
21	young
1029	frog
2704	months
359	old
2301	showing
4774	complete
10996	absorption
3136	tail
889	change
1031	tadpole
749	mouth
1029	frog
749	mouth
288	illustration
35411	photo
10169	ward
1532	hind
1481	leg
74291	whirligig
3758	beetle
644	become
5797	beautifully
6124	modified
3298	aquatic
1590	locomotion
3741	flattened
6870	tips
838	form
3663	expanding
7201	fan
8954	paddle
24498	opens
3404	closes
2312	astonishing
1630	rapidity
7263	closing
7201	fan
74862	feathering
15709	oar
4440	reduces
5761	friction
1481	leg
1755	moved
5588	forwards
5022	stroke
288	illustration
3159	big
5371	robber
8572	crab
42657	birgus
74292	latro
1862	climbs
43969	coco
2390	nut
2389	palm
3585	breaks
8158	nuts
1787	occurs
1333	islands
3228	indian
3229	ocean
5646	pacific
670	found
65	sea
1456	level
1172	able
1069	breathe
715	dry
821	air
417	seen
4013	emerging
3525	burrow
4715	lined
43969	coco
2390	nut
3556	fibre
3805	empty
43969	coco
2390	nut
5371	robber
8572	crab
1816	protection
3136	tail
5248	happened
3725	kingdom
23188	caledonia
43331	neolithic
303	man
670	found
4489	began
6758	introduce
2017	domesticated
293	animals
2074	meant
8642	thinning
3189	ranks
74863	predacious
1096	creatures
2030	safety
8447	dangerous
19561	motto
32783	obedience
303	man
7828	exterminated
44118	lynx
239	brown
1969	bear
4089	wolf
1096	creatures
790	great
67446	auk
2797	destroyed
966	food
1025	others
63667	marten
36609	furs
3793	pests
2797	destroyed
3455	protect
419	beginnings
314	agriculture
712	larger
293	animals
11923	boar
1869	hunted
844	existence
1025	others
4909	pearl
3297	bearing
2470	river
3564	mussels
7784	yielded
74864	subtler
12578	demands
3896	doubt
1816	protection
1816	protection
5149	sport
6033	utility
41532	aesthetic
8492	reasons
9657	humane
15171	sentiments
10221	wholesome
14635	superstitions
32695	safeguarded
2959	robin
58159	redbreast
4173	wren
40074	introductions
8334	rabbit
6033	utility
58369	pheasant
5149	sport
58787	peacock
74865	amenity
599	introduction
1816	protection
2559	killing
1831	reaching
20093	influences
6953	picture
7048	evolution
2892	going
1260	think
303	man
8502	indirect
18711	interference
67	animal
74	life
2797	destroyed
1268	forests
3435	cultivated
343	wild
413	made
5880	bridges
667	allowed
46722	aliens
8864	rats
3792	cockroaches
919	get
15827	unawares
954	course
1205	good
5585	drained
1131	swamps
3274	got
1222	rid
3800	mosquitoes
413	made
22355	malaria
19799	rife
20243	scotland
52	net
1363	result
1260	think
1087	moment
21893	reduction
2554	number
2013	kinds
293	animals
5544	fourteen
1330	species
294	birds
7127	beasts
6609	banished
20243	scotland
303	man
6417	interfered
1159	numbers
1824	go
2930	replaced
12242	deliberate
40074	introductions
44613	fallow
2742	deer
8334	rabbit
8925	squirrel
58369	pheasant
4983	accidental
40074	introductions
8864	rats
3792	cockroaches
889	change
11549	quality
702	quantity
1353	smaller
976	taken
1216	place
712	larger
20103	paltry
51138	pigmies
9718	noble
6459	giants
659	thus
919	get
8314	vivid
1581	idea
7048	evolution
1731	especially
303	man
33199	interferes
5327	necessarily
3430	progressive
5261	depends
439	nature
23297	sieves
917	materials
7715	sifted
1355	dr
61119	ritchie
516	says
1124	standard
343	wild
43972	fauna
7052	regards
885	size
3881	fallen
2105	falling
885	size
6045	loss
21890	deterioration
11549	quality
2764	increase
2828	rabbits
5423	sparrows
74460	earthworms
4459	caterpillars
903	addition
2771	millions
8864	rats
74866	cochroaches
5204	crickets
3847	bugs
953	take
1216	place
627	fine
1096	creatures
15820	memories
51893	glamour
20243	scotland
5481	plays
44807	reindeer
8216	elk
4089	wolf
239	brown
1969	bear
44118	lynx
8209	beaver
44332	bustard
10532	crane
74867	bumbling
45386	bittern
465	lost
6250	disappearing
659	thus
486	see
7048	evolution
2892	going
32139	sec
16475	adventurers
2771	millions
436	years
293	animals
51436	tenanted
64	earth
2635	waters
64	earth
3019	search
27010	kingdoms
19432	conquer
7230	corners
473	make
478	goes
5678	methods
7048	evolution
3055	fill
3408	niche
1478	opportunity
4717	spider
1002	lives
28410	pitcher
621	plant
5807	catching
8927	inquisitive
1699	insects
3627	slip
6650	treacherous
3013	internal
935	surface
8667	trap
1961	makes
3931	crevices
487	rocks
2787	shore
3226	mediterranean
3805	empty
21225	tubular
488	shells
1509	keeping
635	water
8986	successfully
3797	spinning
3011	threads
3637	silk
4278	entrance
3264	retreat
541	beautiful
897	brine
17044	shrimp
74868	artemia
7103	salina
1798	occur
5732	british
74869	salterns
670	found
1267	dense
2635	waters
790	great
896	salt
4272	lake
9173	utah
2013	kinds
74460	earthworms
670	found
1377	trees
355	fish
74870	arges
1862	climbs
1156	stones
5629	steep
4464	mountain
7903	torrents
5635	andes
14865	intrepid
263	explorers
34559	scotia
7100	voyage
670	found
2554	number
8336	arctic
74871	terns
9652	spending
309	winter
3593	summer
67002	antarctic
5805	circle
553	means
21378	girdling
17083	globe
4949	pole
4949	pole
32916	incursions
1875	rare
294	birds
57560	pallas
927	sand
3833	grouse
7473	britain
68824	prospecting
3019	search
7493	promised
274	land
1735	twice
7697	thrice
37868	distinctively
2278	north
74872	killdeer
52210	plover
670	found
7473	britain
13224	somehow
3274	got
117	atlantic
385	miss
839	part
3778	meaning
7048	evolution
2104	catch
382	note
74655	insurgence
261	adventure
67	animal
4590	ceases
1239	sound
2148	establish
3163	security
941	easily
3743	disturbed
14378	minority
13	give
3075	struggle
2914	stream
4824	content
36940	acquiesce
3110	parasites
46348	rottenness
4084	eaters
15569	drifting
74	life
1612	ease
1567	peculiar
2643	cases
995	broad
714	fact
2830	groups
293	animals
12272	attempts
3398	master
2013	kinds
4014	haunts
6415	underground
535	world
1377	trees
74513	freshwaters
821	air
3572	burrowing
2783	amphibians
3572	burrowing
2813	reptiles
3572	burrowing
294	birds
3572	burrowing
1572	mammals
492	tree
1115	toads
492	tree
347	snakes
492	tree
2812	lizards
492	tree
3268	kangaroos
492	tree
64124	sloths
492	tree
3707	shrews
492	tree
2827	mice
492	tree
63959	porcupines
245	list
1725	show
12010	mentioning
294	birds
2013	kinds
293	animals
10422	entered
1541	arboreal
25590	apprenticeship
25590	apprenticeship
1831	reaching
13362	consequences
3109	freeing
418	hand
1412	organ
3300	terrestrial
1311	support
2074	meant
7048	evolution
8661	monkeys
577	question
695	gives
9117	spur
457	imagination
2331	case
5371	robber
8572	crab
44283	coral
1333	islands
3228	indian
5646	pacific
38559	oceans
1002	lives
274	land
8572	crab
42657	birgus
6961	learned
1069	breathe
274	land
1033	breathes
715	dry
821	air
553	means
1918	curious
1103	blood
2273	containing
4744	tufts
1040	upper
839	part
3296	gill
4225	cavity
943	rudimentary
1034	gills
1482	foot
4309	heavy
790	great
4078	claws
1731	especially
418	hand
1503	side
790	great
4349	claw
10382	hammers
1315	eye
3325	hole
49300	coconut
5706	torn
4849	fibrous
623	husk
10382	hammers
3325	hole
413	made
919	get
2388	pulp
839	part
1816	protection
1896	soft
3827	abdomen
5371	robber
8572	crab
661	called
54571	offshoot
15688	hermit
8572	crab
3020	stock
2658	year
10039	quaint
1265	explorer
1824	go
1372	hills
1468	climb
43969	coco
1883	palms
1824	go
65	sea
2789	spawn
21	young
938	ones
991	hatched
1032	state
733	common
2787	shore
8572	crab
548	say
2000	free
7098	swimming
22771	larvae
587	pass
635	water
2772	period
7489	settle
2787	shore
685	eventually
3906	creep
715	dry
274	land
635	water
4001	turtles
1090	lay
753	eggs
3891	sandy
1281	shores
2892	going
359	old
3300	terrestrial
1378	haunt
5371	robber
8572	crab
8267	conquered
715	dry
274	land
578	return
1796	seashore
4602	breed
1567	peculiar
444	interest
12914	association
5371	robber
8572	crab
43969	coco
2389	palm
492	tree
2268	native
44283	coral
1333	islands
6389	introduced
17655	mexico
44423	polynesian
20953	mariners
6689	discovery
1254	america
16683	columbus
7891	learning
434	deal
74873	coconuts
2405	recent
9987	achievement
401	face
401	face
1205	good
699	example
7048	evolution
2892	going
288	illustration
74	life
5	history
17032	salmon
52274	fertilised
683	egg
7648	gravelly
1874	bed
2470	river
17631	embryo
683	egg
3129	hatching
17631	embryo
8769	constricted
759	yolk
5130	laden
2508	portion
683	egg
10727	newly
991	hatched
17032	salmon
74874	alevin
13772	encumbered
32505	legacy
759	yolk
3409	larval
17032	salmon
19378	nourished
759	yolk
1046	sac
1416	diminishing
885	size
355	fish
531	grows
712	larger
17032	salmon
2775	fry
987	weeks
359	old
759	yolk
2536	fully
4120	absorbed
21	young
355	fish
2821	feed
2775	fry
644	become
26538	parr
1824	go
65	sea
74875	smolts
578	return
74876	grilse
2643	cases
5026	figures
2342	indicate
4	natural
885	size
288	illustration
17032	salmon
2318	leaping
776	fall
9258	fascinating
5591	spectacle
486	see
1508	jumping
56902	seething
11714	foam
776	fall
1739	casting
5888	curtain
6732	rushing
635	water
3238	carried
7814	depths
1761	whence
277	risen
1961	makes
2351	effort
1205	good
13374	touches
1040	upper
2099	lip
8265	cataract
695	gives
7221	swift
5022	stroke
3136	tail
4047	rushes
1040	upper
3527	reaches
10057	immemorial
2773	spawning
3484	beds
3093	race
246	story
17032	salmon
1927	late
3570	autumn
309	winter
17032	salmon
2789	spawn
4042	rivers
1688	female
1961	makes
4305	shallow
2103	trough
7718	gravel
2524	moving
3136	tail
1503	side
1503	side
19149	therein
752	lays
753	eggs
1183	male
6249	attendance
67325	fertilises
74877	milt
1688	female
1932	covers
3708	deeply
7718	gravel
648	process
652	repeated
4163	week
753	eggs
2704	months
753	eggs
1207	develop
685	eventually
3810	emerge
22771	larvae
74878	alevins
3253	lurk
7666	pebbles
1110	swim
13772	encumbered
3159	big
32505	legacy
759	yolk
987	weeks
2770	eight
36516	protruding
639	bag
759	yolk
6738	disappeared
2775	fry
2138	inch
1149	begin
504	move
3547	actively
64839	fend
612	end
2658	year
2810	grown
3118	trout
26538	parr
1345	inches
436	years
2169	double
1758	length
2658	year
1297	earlier
26538	parr
644	become
8594	silvery
74875	smolts
1824	go
65	sea
2064	month
2821	feed
21	young
17349	herring
881	grow
2341	strong
1328	half
436	years
359	old
1070	come
4042	rivers
74876	grilse
2789	spawn
587	pass
74876	grilse
2798	stage
65	sea
1070	come
4042	rivers
7165	characters
498	full
2810	grown
355	fish
2643	cases
17032	salmon
2789	spawn
661	called
74879	kelts
2773	spawning
12917	exhausted
1980	starting
1246	generation
872	die
776	fall
5454	victim
60165	otters
2029	enemies
2331	case
17032	salmon
2278	north
5646	pacific
2434	genus
74880	oncorhynchus
74881	salmo
2142	individuals
872	die
2773	spawning
1172	able
578	return
65	sea
791	remembered
498	full
2810	grown
17032	salmon
426	rule
2821	feed
568	fresh
635	water
2630	unable
2336	resist
13422	snapping
9350	angler
305	strange
33721	creations
429	interesting
714	fact
17032	salmon
1462	keeps
16259	diary
1574	movements
847	vary
1205	good
434	deal
4042	rivers
16259	diary
5528	written
5110	scales
805	careful
381	reading
27832	concentric
4263	lines
5110	scales
2201	shows
1829	age
355	fish
4670	went
65	sea
74882	spawned
6629	interpretation
17032	salmon
246	story
67	animal
2859	frequents
4014	haunts
5047	breeds
1215	safe
548	say
3338	breeding
1216	place
7194	represents
493	original
74883	flounder
5216	comfortable
4042	rivers
1824	go
2787	shore
2635	waters
2789	spawn
3896	doubt
74883	flounder
5604	marine
355	fish
4461	recently
6961	learned
67573	colonise
568	fresh
2635	waters
5364	relatives
67606	plaice
1554	sole
6020	strictly
5604	marine
1579	impossible
473	make
40604	dogma
426	rule
3338	breeding
1216	place
3606	corresponds
493	original
659	thus
2013	kinds
15792	bass
2937	belong
5604	marine
1161	family
65	sea
13189	perches
1653	live
65	sea
44683	estuaries
644	become
2361	permanent
5072	residents
568	fresh
635	water
2376	members
17349	herring
1161	family
37868	distinctively
5604	marine
44159	shad
2937	belong
1161	family
2789	spawn
4042	rivers
308	spend
1002	lives
446	ways
25107	interpreting
74	life
5	history
17032	salmon
6811	authorities
6812	regard
17032	salmon
5604	marine
355	fish
5126	establishing
568	fresh
635	water
1025	others
2848	read
246	story
6812	regard
17032	salmon
6779	member
47179	freshwater
3093	race
976	taken
65	sea
964	feeding
1045	purposes
6812	regard
3118	trout
420	know
3189	ranks
4042	rivers
8024	lakes
4865	continually
36929	reinforced
74884	migrants
65	sea
3118	trout
1824	go
65	sea
1025	others
656	remain
47179	freshwater
420	know
6812	regard
592	related
355	fish
22035	char
790	great
3596	majority
2013	kinds
2361	permanent
5072	residents
634	cold
1860	deep
3905	isolated
3752	northern
8024	lakes
8336	arctic
2162	forms
1653	live
65	sea
874	enter
4042	rivers
2789	spawn
1651	facts
9755	favour
4991	view
17032	salmon
6818	originally
5604	marine
355	fish
17001	arguments
584	sides
1091	purpose
714	fact
17032	salmon
18697	conquering
4014	haunts
7048	evolution
2892	going
12178	romance
3976	eel
3593	summer
7659	dates
6422	varying
1405	distance
4042	rivers
117	atlantic
6096	crowds
21	young
17043	eels
74885	elvers
1070	come
2914	stream
9663	procession
3976	eel
4757	fare
5043	includes
2714	thousands
2142	individuals
1758	length
7195	finger
1904	thick
6093	stout
9604	knitting
7990	needle
512	obey
20345	inborn
1599	impulse
1110	swim
2914	stream
3632	seeking
3405	automatically
584	sides
739	body
3209	equally
22131	stimulated
236	current
1824	go
1852	straight
9811	ahead
11226	obligation
918	works
967	day
1921	sun
478	goes
1372	hills
74885	elvers
74886	snuggle
1156	stones
3326	bank
1994	rest
3545	dawn
954	course
607	time
4599	reach
3528	quiet
1040	upper
3527	reaches
2470	river
1824	go
22619	rivulets
49607	drainpipes
3905	isolated
2793	ponds
1599	impulse
1824	go
4899	imperious
56641	wriggle
6449	wet
4122	moss
1503	side
8225	waterfall
473	make
2634	excursion
3785	damp
3969	meadow
3528	quiet
4022	flowing
8222	stretches
2470	river
2793	ponds
2821	feed
881	grow
436	years
436	years
1089	account
1205	good
21	young
295	fishes
685	eventually
436	years
2331	case
1806	males
2770	eight
436	years
2331	case
1710	females
2810	grown
295	fishes
1482	foot
1328	half
1346	feet
1645	seized
4579	novel
11525	restlessness
526	beginning
3331	mature
640	put
8594	silvery
3945	jacket
644	become
1315	eye
578	return
65	sea
3360	getting
1036	pond
485	necessary
56641	wriggle
3785	damp
3969	meadow
2416	grass
1831	reaching
2470	river
5463	travel
1864	night
62473	excitedly
8336	arctic
3229	ocean
634	cold
2278	north
65	sea
4305	shallow
1824	go
65	sea
1565	where
359	old
7917	margin
712	larger
6973	continent
7317	europe
1370	slopes
790	great
52968	abysses
23436	hebrides
47852	southwards
17043	eels
1125	seem
2789	spawn
1860	deep
2516	dark
635	water
22458	liberated
753	eggs
670	found
21	young
2775	fry
2640	rises
935	surface
762	becomes
5020	knife
7928	blade
3639	larva
1166	transparent
1315	eye
1002	lives
2704	months
1032	state
1832	growing
1345	inches
4689	rising
7768	sinking
635	water
7098	swimming
8636	gently
65	sea
21	young
17043	eels
664	known
74887	leptocephali
2109	name
1510	given
439	nature
2412	proved
945	gradually
644	become
1350	shorter
830	shape
952	changes
5020	knife
7928	blade
3737	cylindrical
889	change
1501	fast
1973	weight
1053	delicate
739	body
21719	decreases
1697	turn
3152	glass
17043	eels
1345	inches
9604	knitting
7990	needle
2139	girth
1149	begin
504	move
1595	distant
1281	shores
4042	rivers
2658	year
1328	half
359	old
4599	reach
10885	destination
1824	go
2914	stream
74885	elvers
1374	ascend
4042	rivers
1361	eastern
20475	baltic
18616	journeyed
496	thousand
1421	miles
3976	eel
23104	matures
74888	spawns
568	fresh
635	water
2766	practically
21	young
17043	eels
5745	ascending
4042	rivers
2278	north
7317	europe
1070	come
117	atlantic
34005	azores
1012	further
429	interesting
6749	inquire
21	young
17043	eels
74889	circumvent
6520	falls
25711	rhine
919	get
4272	lake
32810	constance
3524	kindred
1503	side
117	atlantic
7078	overcome
6643	obstacle
16603	niagara
1090	lay
4593	emphasis
4463	variety
74890	habitats
355	fish
3150	trying
1860	deep
2635	waters
65	sea
2787	shore
2470	river
1036	pond
6286	taste
764	solid
64	earth
1193	seems
2089	highly
855	probable
733	common
3976	eel
1860	deep
635	water
5604	marine
355	fish
6961	learned
67573	colonise
74513	freshwaters
9989	adventurous
2808	succeeded
4249	shadow
246	story
9987	achievement
1193	seems
578	return
2773	spawning
3896	doubt
2058	death
74455	nemesis
19069	reproduction
2331	case
1825	adult
3976	eel
2637	comes
1860	deep
65	sea
13162	minded
33956	goethe
6149	saying
2058	death
439	nature
2307	expert
3278	advice
919	get
766	plenty
74	life
32139	sec
763	forming
1240	habits
664	known
74676	mudfish
3225	australia
74891	neoceratodus
2109	name
2295	turned
1110	swim
1050	bladder
1042	lung
2637	comes
935	surface
24384	spout
19215	expels
60852	vitiated
821	air
3267	considerable
2245	force
878	takes
568	fresh
3385	gulps
607	time
1264	ordinary
355	fish
1034	gills
5278	allow
1461	usual
10457	interchange
21668	gases
1103	blood
635	water
3470	australian
74676	mudfish
2169	double
74531	breather
74892	dipnoan
4092	yard
1758	length
1304	direct
1086	changed
25979	descendant
4347	ancient
3469	extinct
355	fish
74893	ceratodus
1360	lived
45614	mesozoic
884	times
44282	jurassic
553	means
2771	millions
436	years
7387	queensland
74676	mudfish
13969	antiquity
889	change
50151	lineage
2771	millions
436	years
953	take
288	illustration
26134	inertia
7048	evolution
679	structure
1086	changed
355	fish
24445	illustrates
7048	evolution
648	process
355	fish
7891	learning
1069	breathe
715	dry
821	air
2026	leave
635	water
1653	live
7338	comfortably
1092	pools
10488	foul
3445	decomposing
67	animal
689	vegetable
428	matter
3489	partially
4053	dried
10488	foul
74894	waterholes
498	full
873	dead
295	fishes
6	various
2013	kinds
74891	neoceratodus
670	found
6448	vigorous
7479	lively
953	take
4991	view
1110	swim
1050	bladder
295	fishes
6818	originally
1042	lung
3567	mud
295	fishes
7891	learning
1069	breathe
715	dry
821	air
8788	illustrate
7048	evolution
74643	agoing
288	illustration
7664	diagram
74	life
5	history
733	common
3976	eel
74293	anguilla
74895	vulgalis
1166	transparent
65	sea
5020	knife
7928	blade
3639	larva
661	called
74896	leptocephalus
1642	gradual
889	change
830	shape
5020	knife
7928	blade
3737	cylindrical
739	body
762	becomes
1350	shorter
3339	loses
1973	weight
21	young
74897	elver
2658	year
359	old
1961	makes
65	sea
44683	estuaries
4042	rivers
1345	inches
3737	cylindrical
2536	fully
981	formed
3976	eel
288	illustration
35411	photo
74295	gambier
42734	bolton
74294	cassowary
5206	bare
747	head
47191	capped
35232	helmet
4289	plumage
294	birds
741	feathers
1654	loose
1821	hair
742	wings
449	merely
595	represented
410	black
7841	quills
74246	flightless
781	entirely
6907	dependent
1439	powerful
743	legs
1711	carry
1470	danger
288	illustration
35411	photo
74295	gambier
42734	bolton
74296	kiwi
74246	flightless
321	bird
841	remarkable
1615	appearance
1240	habits
679	structure
17349	herring
5046	gull
439	nature
355	fish
5336	eater
2405	recent
436	years
748	parts
7473	britain
3504	becoming
3593	summer
2704	months
64146	vegetarian
74290	scooping
39700	turnips
974	devouring
7687	potatoes
7357	settling
15076	sheaves
606	harvest
164	field
58774	gorging
698	grain
706	similar
5700	experiments
1889	striking
664	known
294	birds
3886	signal
288	illustration
74898	kea
57947	nestor
37902	parrot
7756	zealand
976	taken
12329	lighting
14965	loins
3885	sheep
4853	tearing
54355	fleece
335	cutting
2298	skin
15742	gouging
704	fat
37902	parrot
559	belongs
64146	vegetarian
7306	frugivorous
3020	stock
889	change
5333	diet
2815	relatively
607	time
3885	sheep
50650	ranches
2237	established
7756	zealand
1889	striking
420	know
7659	dates
2842	speak
7048	evolution
2892	going
1740	eyes
791	remembered
6816	variations
479	habit
13	give
67	animal
1478	opportunity
2710	test
6816	variations
679	structure
5952	arise
7140	mysteriously
10110	expressions
62069	germinal
74697	changefulness
23837	imprints
74899	transmissibility
2330	latter
3401	secure
1238	evidence
5700	experiments
1590	locomotion
429	interesting
1260	think
2552	numerous
2727	types
1590	locomotion
293	animals
2396	discovered
2060	pulling
74515	punting
74900	sculling
15808	rowing
952	changes
33592	rung
3217	main
5678	methods
1889	striking
2331	case
74297	frilled
1703	lizard
74901	chlamydosaurus
3225	australia
607	time
23143	experimenting
74684	bipedal
1524	progression
19457	eventful
481	thing
1925	gets
1532	hind
743	legs
737	runs
74902	totteringly
1346	feet
2837	baby
7891	learning
1490	walk
541	beautiful
261	adventure
441	led
74675	dipper
635	water
47147	ouzel
321	bird
797	allied
5530	wrens
6596	try
1513	walking
1571	flying
635	water
4417	admirable
74584	volplaning
2552	numerous
74525	parachutists
1571	flying
355	fish
1571	flying
1029	frog
1571	flying
7925	dragon
1571	flying
74903	phalanger
1571	flying
8925	squirrel
953	take
790	great
1640	leaps
821	air
7550	splendid
18220	failures
2808	succeeded
1980	starting
20270	modes
1644	flight
37451	aerial
6625	journeys
4169	undertaken
337	spiders
16632	breezy
1167	morning
1731	especially
3570	autumn
6403	mount
11852	gate
19828	posts
43553	palings
1840	herbage
2284	standing
747	head
7640	wind
5554	pay
3011	threads
3637	silk
7640	wind
74904	tugs
3011	threads
6508	spinners
1506	let
1824	go
2442	borne
6519	downwards
742	wings
7640	wind
10766	parish
867	said
7640	wind
6520	falls
58447	unfurl
10035	sail
74905	furl
2640	rises
2331	case
3718	wingless
1096	creatures
473	make
37451	aerial
6625	journeys
23449	tens
2714	thousands
3011	threads
1051	sink
64	earth
4934	shower
11886	gossamer
67160	beagle
7100	voyage
319	darwin
2202	observed
1434	vast
1159	numbers
11886	gossamer
337	spiders
2442	borne
10395	ship
2471	sixty
1421	miles
1595	distant
274	land
288	illustration
3470	australian
74297	frilled
1703	lizard
3150	trying
644	become
57074	biped
1925	gets
1532	hind
743	legs
737	runs
1405	distance
2300	folds
3159	big
5803	collar
745	neck
288	illustration
10103	carpet
11886	gossamer
3671	silken
3011	threads
2714	thousands
11886	gossamer
337	spiders
5202	migrations
417	seen
7653	entangled
2416	grass
763	forming
661	called
4934	shower
11886	gossamer
3235	edge
2416	grass
11886	gossamer
2162	forms
5888	curtain
11459	floating
3035	looking
23628	extraordinarily
5052	waves
2039	breaking
1796	seashore
288	illustration
635	water
4717	spider
4717	spider
417	seen
3428	leaving
49509	diving
6138	bell
1374	ascend
935	surface
5197	capture
821	air
4717	spider
6526	jerks
739	body
743	legs
935	surface
20040	dives
2565	carrying
3241	looks
8594	silvery
821	air
1048	bubble
821	air
7653	entangled
1821	hair
4717	spider
3527	reaches
821	air
5772	dome
382	note
503	touch
743	legs
74906	indents
8510	inflated
1054	balloon
868	running
1503	side
340	nest
4717	spider
27838	brushes
821	air
4278	entrance
1048	bubble
4240	ascends
3671	silken
1054	balloon
74271	photos
10169	ward
3367	devices
1579	impossible
5314	admit
9489	fix
7659	dates
2643	cases
2815	relatively
2405	recent
68852	smack
38135	modernity
1889	striking
3367	devices
1635	observe
651	operation
967	day
659	thus
2226	dispute
6985	statement
337	spiders
4182	thoroughly
3300	terrestrial
293	animals
1044	breathing
715	dry
821	air
714	fact
635	water
4717	spider
18697	conquering
635	water
535	world
337	spiders
1796	seashore
2732	survive
60794	douching
47179	freshwater
2917	particular
2331	case
635	water
4717	spider
74907	argyroneta
46104	natans
1310	stands
736	creature
7052	regards
1688	female
8267	conquered
7271	sub
3298	aquatic
22214	environment
65553	flattish
3796	web
3000	woven
13224	somehow
635	water
16371	pegged
3011	threads
3637	silk
3914	vertical
3915	line
1199	mother
4717	spider
4240	ascends
935	surface
1865	descends
7653	entangled
821	air
2512	hairs
739	body
27838	brushes
821	air
3796	web
5260	thereby
50713	buoyed
802	sort
5772	dome
3360	getting
6449	wet
607	time
38053	domed
3796	web
644	become
49509	diving
6138	bell
498	full
715	dry
821	air
6954	eloquent
11050	anticipation
303	man
6960	rational
2845	device
736	creature
7497	endowed
1765	reason
752	lays
753	eggs
3241	looks
21	young
915	general
10410	significance
1651	facts
17513	competition
8088	keen
2433	area
23028	exploitation
7493	promised
274	land
659	thus
337	spiders
2432	spread
64	earth
8337	polar
22441	areas
4717	spider
4360	spirit
261	adventure
39925	endeavoured
2785	instead
74908	trekking
540	find
7134	corner
25247	tackled
3379	problem
6432	surely
1242	difficult
3300	terrestrial
67	animal
3379	problem
790	great
839	part
635	water
3378	solved
1296	manner
5845	effective
541	beautiful
6630	conclusion
1510	given
4848	representative
292	illustrations
790	great
9923	theme
5191	consider
74697	changefulness
1096	creatures
8348	transformations
3435	cultivated
447	plants
2017	domesticated
293	animals
1642	gradual
11577	alterations
43972	fauna
1093	country
3019	search
4014	haunts
763	forming
1240	habits
6689	discovery
19509	inventions
8773	convinced
7048	evolution
2892	going
876	why
1636	stop
258	vii
3545	dawn
2443	mind
3545	dawn
2443	mind
246	story
7048	evolution
2851	chapter
429	interesting
13527	emergence
2443	mind
67	animal
3725	kingdom
1242	difficult
2851	chapter
2848	read
1993	partly
2443	mind
417	seen
2136	measured
12512	inferred
1483	outward
26937	behaviour
736	creature
1993	partly
1579	impossible
1700	avoid
381	reading
2843	simpler
293	animals
32139	sec
6978	extremes
7515	avoided
1176	extreme
40795	uncritical
11257	generosity
17501	credits
67	animal
74909	brer
8334	rabbit
8335	hare
2019	human
5331	qualities
1176	extreme
4104	thinking
67	animal
6994	automatic
7014	machine
4814	working
1216	place
7	use
2443	mind
6978	extremes
7515	avoided
200	professor
45091	whitman
1754	took
753	eggs
4624	passenger
2869	pigeon
4676	became
3469	extinct
1623	startling
1630	rapidity
750	placed
1345	inches
1503	side
340	nest
321	bird
4391	looked
12887	uneasy
640	put
318	beak
739	body
1190	feel
6596	try
32489	retrieve
753	eggs
418	hand
607	time
4190	flew
464	altogether
2201	shows
2443	mind
2869	pigeon
845	respects
2443	mind
303	man
418	hand
456	clever
2093	dog
2565	carrying
4576	basket
753	eggs
3681	handle
749	mouth
2576	came
16530	stile
32741	negotiated
1185	laid
4576	basket
626	ground
5704	pushed
8636	gently
1788	low
5081	gap
1503	side
1754	took
868	running
1109	leap
8853	talk
2093	dog
6994	automatic
7014	machine
1177	caution
6812	regard
1174	instinct
2449	studying
26937	behaviour
293	animals
3360	getting
2443	mind
2443	mind
1304	direct
532	knowledge
852	essential
13	give
25321	prominence
714	fact
7048	evolution
1096	creatures
2341	strong
2424	tendency
74490	enregister
74910	engrain
24443	capacities
530	things
22379	effectively
659	thus
11413	abilities
1070	come
20345	inborn
748	parts
1200	inheritance
9491	express
2974	appropriate
16545	trigger
6662	pulled
10727	newly
1140	born
505	child
1641	require
3167	learn
1044	breathing
1574	movements
4367	afterwards
971	requires
3167	learn
1513	walking
1574	movements
6983	ability
1824	go
1044	breathing
1574	movements
20345	inborn
13093	engrained
74478	enregistered
523	words
33003	hereditary
1539	pre
3452	arrangements
3555	nerve
3551	cells
2184	muscle
3551	cells
1070	come
1545	activity
941	easily
9790	beating
2404	heart
673	minute
34079	newborn
74911	pigling
12344	creeps
1199	mother
24290	sucks
2835	milk
3167	learn
3167	learn
10447	cough
16550	sneeze
659	thus
293	animals
5124	useful
970	ready
413	made
970	ready
413	made
24443	capacities
2022	apparently
456	clever
530	things
515	simple
2643	cases
20345	inborn
1539	pre
3452	arrangements
2842	speak
38518	reflex
511	actions
1000	complicated
2643	cases
6191	instinctive
26937	behaviour
1177	caution
20345	inborn
24443	capacities
558	work
4	natural
539	conditions
558	work
15334	badly
1264	ordinary
6863	routine
3743	disturbed
486	see
2869	pigeon
2806	continues
986	sitting
259	days
3805	empty
340	nest
8477	fails
32489	retrieve
753	eggs
1345	inches
4328	mistake
1113	call
2869	pigeon
16566	unutterably
2661	stupid
321	bird
1260	think
9658	achievements
37664	homing
4324	pigeons
420	know
5210	judge
293	animals
6812	regard
2013	kinds
26937	behaviour
4812	handed
1174	instinct
1824	go
15334	badly
74912	agee
21725	normal
6863	routine
3743	disturbed
2735	ninety
1926	nine
2643	cases
408	hundred
74478	enregistered
6191	instinctive
24443	capacities
558	work
3092	advantage
3504	becoming
24616	stereotyped
2026	leave
67	animal
2000	free
3243	adventures
1027	higher
1456	level
6895	slave
1174	instinct
13	give
67	animal
3163	security
2175	enables
4123	discover
966	food
4704	joy
1026	somewhat
303	man
3964	methodical
1240	habits
2237	established
5062	gain
6587	leisure
473	make
13428	departure
18827	racial
9519	profit
288	illustration
35411	photo
41907	wilkinson
74298	jackdaw
5099	balancing
74299	gatepost
74298	jackdaw
3159	big
37903	brained
2232	extremely
3712	alert
74913	educable
57822	loquacious
321	bird
288	illustration
9334	ingersoll
8971	wit
343	wild
9207	opossums
40221	feigning
2058	death
9207	opossums
3180	mainly
1541	arboreal
67353	marsupials
3705	insectivorous
2343	carnivorous
5200	confined
6973	continent
124	united
125	states
5662	patagonia
3236	pouch
1711	carry
2552	numerous
21	young
938	ones
3136	tail
21	young
10443	twined
1199	mother
9207	opossums
1427	agile
456	clever
1096	creatures
253	famous
3746	playing
3747	possum
3315	lying
6085	inert
873	dead
288	illustration
1183	male
2936	spined
2900	stickleback
1422	making
340	nest
635	water
3254	weed
8635	glued
45533	viscid
3011	threads
3012	secreted
22121	kidneys
3338	breeding
2923	season
288	illustration
1688	female
2900	stickleback
4244	enters
340	nest
1183	male
413	made
752	lays
753	eggs
53603	departs
2643	cases
1710	females
7	use
340	nest
2900	stickleback
3289	polygamous
340	nest
1183	male
5893	mounts
8098	guard
417	seen
2560	driving
3114	intruder
2338	draw
7195	finger
3478	hot
7513	shut
1315	eye
1700	avoid
3584	blow
41563	rebounding
1596	branch
469	action
2331	case
21	young
66181	mammal
24290	sucks
1199	mother
607	time
42297	mound
294	birds
18254	celebes
1090	lay
753	eggs
3454	warm
20659	volcanic
19268	ash
2787	shore
65	sea
1025	others
790	great
119	mass
3479	fermenting
3633	vegetation
20345	inborn
10727	newly
991	hatched
321	bird
3075	struggle
2593	quickly
305	strange
340	nest
2776	else
39229	suffocate
1871	stops
5707	struggling
50212	perishes
1193	seems
16545	trigger
1174	instinct
6662	pulled
1735	twice
7062	similarly
753	eggs
1208	turtle
1185	laid
927	sand
2787	shore
3125	hatch
21	young
938	ones
473	make
10661	instinctively
65	sea
3457	crocodiles
3483	bury
753	eggs
1346	feet
935	surface
927	sand
3439	decaying
3633	vegetation
1546	awkward
4462	situation
8354	birthplace
21	young
2053	crocodile
970	ready
755	break
683	egg
990	chick
612	end
987	weeks
10364	brooding
2683	utters
10661	instinctively
16548	piping
1407	cry
2094	hearing
4222	watchful
1199	mother
3459	digs
4309	heavy
15620	blankets
21	young
2053	crocodile
3720	buried
865	alive
1813	birth
5541	warrant
1321	believing
21	young
42297	mound
294	birds
21	young
3457	crocodiles
21	young
4001	turtles
4039	intelligent
17155	appreciation
991	hatched
1178	act
10661	instinctively
1296	manner
1140	born
548	say
1545	activity
10856	backed
11384	endeavour
38562	suffused
2719	amount
74493	awareness
954	course
5327	necessarily
1242	difficult
303	man
736	creature
2085	intelligence
919	get
51769	inkling
6194	mental
1503	side
6191	instinctive
26937	behaviour
1027	higher
3527	reaches
67	animal
1174	instinct
3913	courtship
340	nest
467	building
3466	hunting
4880	preparing
966	food
3241	looks
1980	starting
6863	routine
1545	activity
4711	rang
1027	higher
7007	centres
6088	brain
640	put
2085	intelligence
29400	qui
54056	vive
970	ready
5998	interpose
35450	twofold
1177	caution
34772	depreciate
736	creature
2314	unusual
2364	circumstances
2684	acts
41136	ineffective
4263	lines
26937	behaviour
21534	normally
4812	handed
1174	instinct
2026	leave
9485	possibility
6863	routine
6191	instinctive
26937	behaviour
38562	suffused
74493	awareness
10856	backed
11384	endeavour
32139	sec
5124	useful
3174	law
420	know
9561	credit
67	animal
2085	intelligence
3519	spontaneous
420	know
5845	effective
469	action
3576	opening
749	mouth
1677	instant
5705	touched
966	food
1199	mother
318	beak
7045	physiological
469	action
10927	coughing
16939	sneezing
2443	mind
558	work
579	answer
577	question
3896	doubt
1510	given
5244	prof
17593	lloyd
25495	morgan
661	called
17434	founder
2506	comparative
17322	psychology
2994	describe
820	piece
26937	behaviour
1214	carefully
7767	occurred
381	reading
6215	ascribe
1027	higher
207	faculty
2176	satisfactorily
7523	accounted
14	terms
1879	lower
1151	principle
69660	niggardly
26937	behaviour
6194	mental
45924	subtlety
6203	missed
1926	nine
2643	cases
1827	ten
1262	conclusions
4340	likely
1239	sound
5292	critical
3426	scientific
3297	bearing
3174	law
2443	mind
1506	let
953	take
6221	survey
13527	emergence
2443	mind
74467	backboned
293	animals
7498	senses
295	fishes
295	fishes
7513	shut
1740	eyes
13134	lids
1740	eyes
946	developed
2097	vision
2095	acute
1731	especially
2524	moving
502	objects
74759	gristly
295	fishes
2146	external
3576	opening
613	ear
465	lost
1239	sound
5052	waves
4945	coarser
41998	vibrations
5076	influence
1997	inner
613	ear
946	developed
4147	surrounding
779	flesh
778	bones
1193	seems
3217	main
7	use
613	ear
295	fishes
2446	connection
5099	balancing
2094	hearing
2643	cases
2096	sense
2094	hearing
2251	demonstrated
659	thus
295	fishes
1070	come
1503	side
1036	pond
2818	fed
6138	bell
33592	rung
14700	whistle
8021	blown
3550	visible
635	water
714	fact
295	fishes
5554	pay
1663	attention
2233	loud
5179	noises
2182	prove
11778	deaf
67	animal
550	hear
1239	sound
656	remain
5568	indifferent
61098	irresponsive
449	merely
553	means
1239	sound
1158	vital
444	interest
67	animal
295	fishes
74914	bullhead
74915	dogfish
2096	sense
804	smell
6726	detecting
2693	nostrils
21608	dilute
691	substances
74916	permeating
635	water
1405	distance
1025	others
2376	members
2753	cod
1161	family
3044	perceive
966	food
839	part
2096	sense
6286	taste
22422	susceptible
691	substances
418	hand
3267	considerable
702	quantity
2096	sense
6286	taste
6606	located
2784	fins
749	mouth
1788	low
1456	level
7498	senses
804	smell
6286	taste
1125	seem
1443	readily
942	separated
86	chief
7	use
3529	sensitive
3915	line
2127	lateral
3915	line
417	seen
1503	side
2190	bony
355	fish
473	make
67	animal
2224	aware
1818	slow
41998	vibrations
952	changes
6070	pressure
635	water
2298	skin
49583	responds
41819	pressures
613	ear
41998	vibrations
27963	frequency
2127	lateral
3915	line
5970	function
429	interesting
446	ways
295	fishes
6088	brain
1264	ordinary
2190	bony
355	fish
1788	low
1456	level
659	thus
22139	cerebral
5012	hemispheres
3603	destined
644	become
1914	seat
2085	intelligence
18925	poorly
946	developed
74759	gristly
295	fishes
74917	skates
17048	sharks
6088	brain
11711	promising
1032	state
6088	brain
4066	lead
8353	expect
2190	bony
355	fish
3118	trout
3976	eel
74918	haddock
17349	herring
292	illustrations
661	called
1116	pretty
777	pieces
26937	behaviour
1506	let
7287	select
2643	cases
2900	stickleback
340	nest
2936	spined
2936	spined
2924	sticklebacks
1653	live
3209	equally
568	fresh
896	salt
635	water
712	larger
1828	fifteen
2936	spined
2900	stickleback
781	entirely
5604	marine
1330	species
1183	male
355	fish
1961	makes
340	nest
568	fresh
48693	brackish
635	water
2643	cases
2787	shore
1092	pools
79	third
2331	case
1330	species
7	use
586	leaves
2987	stems
635	water
447	plants
712	larger
1330	species
7	use
38504	seaweed
67635	zoophyte
586	leaves
74919	fronds
7653	entangled
1078	fastened
3373	glue
3011	threads
3012	secreted
305	strange
548	say
22121	kidneys
4020	temporary
35100	diseased
725	condition
74920	regularised
2295	turned
1205	good
1091	purpose
2892	going
340	nest
884	times
1183	male
1961	makes
1137	room
2221	middle
1993	partly
10655	coercion
1993	partly
16907	coaxing
22573	induces
1688	female
587	pass
340	nest
6969	doors
3968	depositing
753	eggs
5389	sojourn
1710	females
1824	go
1183	male
5893	mounts
8098	guard
340	nest
4632	drives
4778	intruding
295	fishes
8841	bigger
21	young
991	hatched
1183	male
607	time
1509	keeping
5414	charges
32490	bounds
1172	able
504	move
2313	agility
1193	seems
2924	sticklebacks
1360	lived
295	fishes
3338	breeding
9429	reasonable
2309	suppose
3052	success
3093	race
5261	depends
1341	extent
19415	paternal
1237	care
5363	believe
3486	nesting
26937	behaviour
886	appeared
1099	suddenly
838	form
2547	inclined
9561	credit
355	fish
3267	considerable
6194	mental
6983	ability
4340	likely
12957	generous
9885	reflect
6863	routine
13571	likelihood
6087	outcome
18827	racial
648	process
972	slight
10696	improvements
5292	critical
74921	testings
3574	secretion
3373	glue
2576	came
22485	pathological
2174	variation
66251	utilisation
2396	discovered
10009	accident
2727	types
8971	wit
953	take
3092	advantage
1660	successful
6863	routine
4676	became
74478	enregistered
35226	hereditarily
2900	stickleback
456	clever
3241	looks
288	illustration
35411	photo
9279	imperial
4768	war
2200	museum
37664	homing
2869	pigeon
4422	blue
74922	chequer
751	hen
4768	war
4985	september
4190	flew
1421	miles
4238	minutes
10396	crew
36204	aeroplane
1276	difficulties
288	illustration
35411	photo
9279	imperial
4768	war
2200	museum
16827	carrier
2869	pigeon
16827	carrier
4324	pigeons
4768	war
1711	carry
9644	messages
17163	photograph
2201	shows
9864	message
604	fixed
16827	carrier
2869	pigeon
1481	leg
838	form
3104	light
3730	rings
288	illustration
35411	photo
1911	james
111	press
7200	agency
402	yellow
14887	crowned
67433	penguin
1733	notice
74246	flightless
742	wings
2295	turned
65552	flippers
10017	flapped
7276	vigorously
2341	strong
1346	feet
6672	noteworthy
57640	penguins
1941	mostly
5200	confined
2627	south
288	illustration
35411	photo
74300	cagcombe
388	co
57640	penguins
1567	peculiar
430	people
742	wings
2295	turned
65552	flippers
7098	swimming
65	sea
74923	tobogganing
3937	snow
57640	penguins
1070	come
2791	hundreds
1421	miles
4273	trackless
3991	waste
8354	birthplace
1565	where
4602	breed
4599	reach
67002	antarctic
2787	shore
1490	walk
5965	determination
2371	suitable
4185	site
1863	top
5629	steep
5630	cliff
1330	species
74924	waddle
3175	steps
673	minute
1345	inches
1556	step
1785	thirds
4634	mile
2707	hour
2443	mind
3999	minnow
540	find
764	solid
626	ground
1779	base
17155	appreciation
26937	behaviour
295	fishes
485	necessary
4530	experiment
1367	refer
385	miss
54694	gertrude
411	white
429	interesting
558	work
7853	minnows
2924	sticklebacks
295	fishes
644	become
4942	artificial
4666	surroundings
8342	lessons
4489	began
638	cloth
11073	packets
697	contained
5282	meat
4191	cotton
729	suspended
583	opposite
610	ends
2916	aquarium
3567	mud
7853	minnows
1725	show
4203	perceived
9997	packet
2763	swam
2924	sticklebacks
39225	intrigued
4670	went
9997	packet
2273	containing
5282	meat
4722	darted
9824	furiously
6662	pulled
790	great
3033	excitement
4670	went
4191	cotton
9997	packet
2295	turned
3757	sharply
1345	inches
4203	perceived
612	end
3234	joined
733	common
479	habit
295	fishes
7853	minnows
4642	interested
1147	tiny
16719	bags
1187	mystery
3712	alert
2924	sticklebacks
1743	perceiving
2524	moving
502	objects
635	water
3896	doubt
4305	shallow
635	water
1330	species
4123	discover
966	food
4596	largely
2096	sense
3311	sight
36	set
8342	lessons
9916	colour
12764	associations
295	fishes
2818	fed
39548	minced
8746	snail
2911	chopped
2912	earthworm
4224	fragments
12442	liver
966	food
1510	given
612	end
3783	forceps
1534	held
935	surface
635	water
295	fishes
18073	influenced
804	smell
1109	leap
635	water
953	take
966	food
3783	forceps
61833	discs
3288	coloured
17093	cardboard
8068	slipped
612	end
3783	forceps
295	fishes
338	saw
2392	morsel
966	food
1907	centre
3288	coloured
6090	disc
4163	week
23476	preliminary
13002	training
7384	accustomed
3288	coloured
61833	discs
19764	presentation
6266	served
3886	signal
295	fishes
1385	dart
935	surface
879	spring
635	water
39965	baits
2270	paper
461	substituted
966	food
295	fishes
649	continued
1963	jump
61833	discs
4422	blue
6090	disc
6377	persistently
2270	paper
15667	bait
3760	red
6090	disc
966	food
2185	versa
7853	minnows
6961	learned
2454	discriminate
12650	infallibly
4249	shadow
658	substance
2179	presented
1965	alternately
2179	presented
1526	simultaneously
3545	dawn
2443	mind
954	course
8342	lessons
7853	minnows
2924	sticklebacks
6961	learned
133	associate
2917	particular
3038	colours
966	food
12764	associations
981	formed
958	kind
3639	larva
3999	minnow
473	make
652	repeated
7517	trials
7669	subsequently
24784	ignored
1469	approach
15608	experimenter
2776	else
4489	began
5879	serve
966	food
3886	signal
3896	doubt
1264	ordinary
74	life
295	fishes
648	process
763	forming
5124	useful
12764	associations
34820	suppressing
5281	useless
40709	responses
1510	given
20345	inborn
55032	repertory
12100	profitable
1574	movements
1641	require
13002	training
1510	given
1627	power
763	forming
12764	associations
103	illustrated
1510	given
3267	considerable
2069	degree
3554	sensory
25728	alertness
4263	lines
295	fishes
1641	require
462	truth
3274	got
2524	moving
790	great
2788	freedom
6010	dimensions
3646	medium
7662	supports
3977	uniform
3137	constant
1172	able
2643	cases
919	get
766	plenty
966	food
37801	fatiguing
7429	exertions
3372	dispense
3267	considerable
843	periods
5259	scarce
20180	multiplying
790	great
5064	abundance
2549	huge
49020	infantile
2734	mortality
2709	hardly
28262	counts
1373	rarely
5667	dying
4	natural
2058	death
2943	coming
1431	strength
39803	unabated
4889	violent
612	end
295	fishes
1067	hold
3075	struggle
844	existence
6194	mental
50673	endowment
6088	brain
999	motion
22218	mentality
1452	remained
1788	low
22440	psychical
1456	level
1414	greatly
37183	misjudge
3093	race
5200	confined
1663	attention
28642	everyday
6863	routine
5891	total
2971	distinguished
1902	average
3119	estimate
295	fishes
3198	remember
17032	salmon
7051	surmounting
6520	falls
4476	wary
3118	trout
34553	eluding
9350	angler
3005	skill
733	common
3567	mud
39392	skipper
74287	periophthalmus
1252	tropical
1281	shores
1862	climbs
487	rocks
948	roots
44325	mangrove
1377	trees
3547	actively
54998	hunts
2787	shore
293	animals
3198	remember
9989	adventurous
74	life
5	history
3976	eel
10039	quaint
446	ways
295	fishes
1806	males
1731	especially
1851	look
1161	family
1183	male
65	sea
2870	horse
5954	puts
753	eggs
2960	breast
10831	pocket
1183	male
74925	kurtus
1819	carries
1863	top
747	head
3207	cock
74637	paidle
74635	lumpsucker
9636	guards
74636	aerates
7134	corner
2787	shore
3952	pool
32139	sec
2443	mind
2783	amphibians
612	end
1829	age
359	old
3760	red
7781	sandstone
6835	devonian
790	great
1556	step
7048	evolution
976	taken
13527	emergence
2783	amphibians
14175	earliest
3946	representatives
355	fish
7165	characters
437	marked
8645	discerned
1201	tadpoles
299	frogs
1115	toads
3896	doubt
2783	amphibians
1678	sprang
355	fish
3020	stock
413	made
790	great
50569	strides
856	associated
839	part
12272	attempts
919	get
635	water
715	dry
274	land
6834	fossil
2162	forms
548	say
6812	regard
1896	soft
748	parts
5191	consider
3946	representatives
3195	class
9561	credit
2783	amphibians
32656	acquisitions
1706	fingers
1992	toes
43337	chambered
2404	heart
46106	ventral
1037	lungs
13159	drum
613	ear
2513	mobile
1077	tongue
22158	vocal
12586	cords
293	animals
4489	began
1172	able
2602	grasp
1661	object
4489	began
1172	able
3458	utter
3948	sufficient
1399	sounds
6969	doors
2586	opened
1812	apart
1699	insects
35741	instrumental
3870	music
4164	begun
612	end
6835	devonian
1829	age
2783	amphibians
293	animals
1392	voice
5600	primary
3778	meaning
1392	voice
2632	doubtless
967	day
299	frogs
2553	sex
1113	call
526	beginning
3603	destined
5809	play
839	part
7048	evolution
2443	mind
954	course
5050	ages
10410	significance
1392	voice
32399	broadened
4676	became
2820	parental
1113	call
4676	became
2733	infant
1407	cry
57458	broadening
4676	became
5124	useful
553	means
6918	recognition
3524	kindred
1731	especially
2516	dark
33760	intricacies
2580	forest
5050	ages
2076	passed
1392	voice
2071	rose
1697	turn
46256	evolutionary
21418	spiral
9821	expressive
2917	particular
1118	emotions
3353	immediate
5805	circle
2553	sex
1118	emotions
4704	joy
4098	fear
5980	jealousy
15323	contentment
4184	finally
5210	judge
67	animal
321	bird
4489	began
13	give
1859	utterance
2917	particular
523	words
21639	indicative
449	merely
1118	emotions
2917	particular
530	things
14558	emotional
12976	halo
966	food
2056	enemy
4367	afterwards
523	words
4676	became
303	man
3646	medium
6116	reasoned
9972	discourse
14426	sentences
413	made
15047	judgments
6814	expressed
526	beginning
14367	croaking
65547	amphibia
7498	senses
2783	amphibians
299	frogs
1205	good
1740	eyes
1154	toad
1740	eyes
12657	jewels
1238	evidence
4478	precise
2097	vision
4962	neat
1029	frog
1597	catches
962	fly
68688	flicking
1077	tongue
604	fixed
4925	front
1654	loose
19309	experimental
4810	proof
1029	frog
74926	discriminates
3760	red
4422	blue
3760	red
411	white
429	interesting
223	point
2298	skin
3529	sensitive
3441	heat
6504	rays
3104	light
2298	skin
1029	frog
2875	answers
3104	light
6504	rays
200	professor
74205	yerkes
23144	experimented
1029	frog
1824	go
515	simple
16516	labyrinth
5752	wished
4599	reach
24331	tank
635	water
25942	alternative
4065	paths
3760	red
9562	card
750	placed
1079	wrong
1503	side
411	white
1029	frog
6961	learned
953	take
1244	correct
6409	path
437	marked
411	white
9562	card
5244	prof
74205	yerkes
1086	changed
9615	cards
5035	confusion
1029	frog
4359	showed
4182	thoroughly
6961	learned
5618	lesson
420	know
6812	regard
2096	sense
804	smell
6286	taste
2783	amphibians
2096	sense
2094	hearing
946	developed
946	developed
12512	inferred
11252	indifference
299	frogs
1725	show
1399	sounds
14367	croaking
3524	kindred
66811	splashes
635	water
1154	toad
3241	looks
13734	sagacious
1480	climbing
3326	bank
492	tree
299	frogs
3712	alert
548	say
74545	amphibian
2443	mind
3518	mentioned
299	frogs
3167	learn
4481	secret
515	simple
16584	maze
1115	toads
473	make
2917	particular
2773	spawning
1036	pond
3267	considerable
1405	distance
899	examination
6465	brains
2468	occupying
2815	relatively
839	part
995	broad
1789	flat
2183	skull
32754	warns
8353	expect
2085	intelligence
418	hand
953	take
299	frogs
3915	line
1158	vital
7117	namely
22588	discrimination
2391	palatable
8505	unpalatable
1699	insects
540	find
4530	experiment
1473	quick
3167	learn
3198	remember
8342	lessons
259	days
299	frogs
2189	deposit
753	eggs
6467	unsuitable
1092	pools
635	water
2661	stupid
3241	looks
683	egg
3014	laying
428	matter
4812	handed
6191	instinctive
22798	registration
288	illustration
35411	photo
74235	berridge
74301	harpy
4771	eagle
4261	clean
3047	dainty
3144	proud
15379	spanish
8832	don
1541	arboreal
5630	cliff
1369	loving
321	bird
964	feeding
767	chiefly
1572	mammals
3065	fierce
2341	strong
748	parts
1941	mostly
411	white
45854	greyish
3513	zone
2535	chest
1040	upper
748	parts
3979	blackish
10211	grey
74301	harpy
1787	occurs
17655	mexico
6543	paraguay
23125	bolivia
288	illustration
35411	photo
74235	berridge
65425	dingo
343	wild
2093	dog
3225	australia
18208	indigenous
343	wild
1330	species
2017	domesticated
2093	dog
3410	gone
343	wild
66717	feral
4503	harm
5242	destroying
3885	sheep
253	famous
12911	persistent
2058	death
40221	feigning
2143	individual
664	known
5278	allow
839	part
2298	skin
4308	removed
5542	belief
873	dead
16048	betraying
1143	vitality
288	illustration
404	woodpecker
4196	hammering
4191	cotton
15578	reel
615	attached
492	tree
1733	notice
3620	stiff
3136	tail
741	feathers
14016	braced
609	stem
1220	help
321	bird
7380	cling
1992	toes
493	original
3325	hole
404	woodpecker
15016	inserted
8158	nuts
1045	purposes
11849	cracking
11317	extracting
21495	kernel
417	seen
1863	top
492	tree
35984	taker
17163	photograph
636	tied
27950	hollowed
4191	cotton
15578	reel
3240	receptacle
2390	nut
4435	promptly
2396	discovered
321	bird
5700	experiments
2820	parental
1237	care
640	put
9561	credit
2783	amphibians
413	made
5700	experiments
5678	methods
2820	parental
1237	care
6369	feeling
3367	devices
733	common
1029	frog
752	lays
37994	clumps
753	eggs
12837	cradle
635	water
496	thousand
1154	toad
3809	winds
3309	strings
635	water
2988	weeds
2643	cases
2820	parental
1237	care
1153	prolific
16839	multiplication
1932	covers
2584	enormous
49020	infantile
2734	mortality
2773	spawning
15876	solution
3379	problem
6875	securing
23277	continuance
3093	race
15876	solution
2820	parental
1237	care
856	associated
24297	economical
21893	reduction
2554	number
753	eggs
659	thus
1183	male
3154	nurse
1029	frog
74927	alytes
4299	uncommon
6973	continent
4572	fixes
4843	string
100	twenty
1834	fifty
753	eggs
1040	upper
839	part
1532	hind
743	legs
3322	retires
3325	hole
2943	coming
1864	night
919	get
966	food
823	keep
3366	moisture
753	eggs
987	weeks
1201	tadpoles
970	ready
1070	come
11883	plunges
1036	pond
12052	freed
3324	burden
1161	family
4335	cares
2331	case
4182	thoroughly
3298	aquatic
3388	surinam
1154	toad
74266	pipa
1183	male
15234	helps
111	press
753	eggs
408	hundred
2554	number
1688	female
1565	where
7771	sinks
10831	pocket
2298	skin
12523	lid
2536	fully
981	formed
21	young
1115	toads
1963	jump
1231	pockets
2627	south
492	tree
299	frogs
661	called
74928	nototrema
3236	pouch
1688	female
753	eggs
1207	develop
429	interesting
540	find
1330	species
1070	come
1264	ordinary
1201	tadpoles
1330	species
21	young
3810	emerge
39591	miniatures
1203	parents
3390	strangest
2331	case
319	darwin
1029	frog
74929	rhinoderma
40088	chili
1565	where
21	young
1827	ten
1828	fifteen
2554	number
1207	develop
1183	male
14367	croaking
46065	sacs
644	become
1817	consequence
19382	enormously
1415	distended
685	eventually
305	strange
5591	spectacle
417	seen
20690	miniature
299	frogs
1508	jumping
1194	father
749	mouth
12822	needless
548	say
74930	citing
5678	methods
2820	parental
1237	care
2894	examples
2085	intelligence
1244	correct
7774	impression
2783	amphibians
68521	humdrum
3093	race
6194	mental
2534	aspect
1651	facts
1438	certainly
958	kind
23143	experimenting
2764	increase
2820	parental
1237	care
437	marked
2783	amphibians
856	associated
21893	reduction
2554	number
1814	offspring
7195	finger
166	post
6409	path
1528	progress
32139	sec
74201	reptilian
2443	mind
2842	speak
499	wisdom
7551	serpent
914	easy
2240	justify
2868	phrase
617	multitude
2813	reptiles
347	snakes
2812	lizards
4001	turtles
3457	crocodiles
28215	motley
5868	crowd
486	see
2255	occasional
6836	traces
2085	intelligence
1997	inner
74	life
525	remains
1147	tiny
7851	rill
3896	doubt
2813	reptiles
5845	effective
6191	instinctive
4039	intelligent
5395	efficiency
664	known
1896	soft
4006	tortoise
124	united
125	states
8025	swims
1439	powerful
8818	strokes
737	runs
2593	quickly
2709	hardly
1981	overtaken
54998	hunts
7276	vigorously
3566	crayfish
1083	insect
22771	larvae
4042	rivers
3453	buries
3567	mud
634	cold
3693	weather
2637	comes
3275	lie
11459	floating
3780	log
970	ready
3627	slip
635	water
1087	moment
1733	notice
26358	bask
3631	sunny
3326	bank
3454	warm
38388	shallows
790	great
74931	wariness
807	shown
4662	choosing
884	times
1184	places
683	egg
3014	laying
1199	mother
58302	tramps
64	earth
3720	buried
753	eggs
5845	effective
706	similar
1780	statements
413	made
6812	regard
5650	scores
2813	reptiles
486	see
716	wholly
439	nature
6191	instinctive
6863	routine
919	get
8141	glimpse
5395	efficiency
11384	endeavour
2643	cases
4810	proof
2813	reptiles
480	finding
5069	homes
3267	considerable
1405	distance
6918	recognition
4858	persons
37835	indubitable
25281	gilbert
411	white
2086	remarks
4006	tortoise
1205	good
359	old
3030	lady
2576	came
3311	sight
4296	waited
2358	thirty
436	years
38268	hobbled
1546	awkward
14505	alacrity
51093	benefactress
1472	strangers
464	altogether
39569	inattentive
893	definite
7891	learning
5394	records
659	thus
200	professor
74205	yerkes
3989	studied
1102	sluggish
1208	turtle
3817	retiring
1198	disposition
900	taking
3092	advantage
2341	strong
3113	desire
35576	efface
6409	path
11913	darkened
340	nest
3785	damp
2416	grass
11166	interposed
515	simple
16584	maze
838	form
74932	partitioned
4005	box
3813	wandering
454	constantly
2358	thirty
4238	minutes
1208	turtle
670	found
16584	maze
2717	chance
668	hours
4367	afterwards
4620	reached
340	nest
1828	fifteen
4238	minutes
6882	interval
668	hours
6441	required
4238	minutes
79	third
10970	trial
22703	routes
4676	became
1304	direct
49200	aimless
3813	wandering
607	time
9631	twentieth
10970	trial
409	forty
6202	seconds
46291	thirtieth
409	forty
6202	seconds
46291	thirtieth
2331	case
6409	path
1189	followed
1304	direct
32881	fiftieth
5911	trip
6441	required
2358	thirty
6202	seconds
954	course
481	thing
2719	amount
893	definite
7891	learning
7891	learning
1364	experience
2100	played
839	part
7048	evolution
67	animal
26937	behaviour
5325	comparing
2813	reptiles
2783	amphibians
11210	recognise
5105	increased
74933	masterliness
26937	behaviour
8362	hint
731	greater
41317	plasticity
5394	records
1389	observers
413	made
38358	pets
2813	reptiles
7520	suggest
74	life
6369	feeling
7008	emotion
1832	growing
3806	stronger
68	stories
5412	accepted
7520	suggest
526	beginning
39968	conjugal
2394	affection
18323	error
1152	guarded
25107	interpreting
14	terms
2085	intelligence
449	merely
6087	outcome
649	continued
679	structure
6997	adaptation
3295	limbless
1703	lizard
661	called
1818	slow
963	worm
1099	suddenly
1645	seized
3136	tail
8785	escapes
34758	surrendering
5775	appendage
3585	breaks
61545	preformed
2193	weak
5575	plane
38518	reflex
469	action
15503	reflective
4795	comparable
2079	sudden
5079	withdrawal
7195	finger
3478	hot
51835	cinder
683	egg
4036	eating
2164	african
362	snake
74934	dasypeltis
1925	gets
683	egg
321	bird
56489	gullet
7686	unbroken
7326	cuts
2261	downward
2692	projecting
5295	sharp
2438	points
65018	vertebrae
3323	precious
290	contents
465	lost
1673	broken
14606	empties
2399	returned
4417	admirable
815	indeed
74935	unsurpassable
4039	intelligent
32139	sec
2443	mind
294	birds
3311	sight
2094	hearing
2089	highly
946	developed
294	birds
7498	senses
2060	pulling
74936	triggers
20345	inborn
74937	efficiencies
1003	supply
916	raw
917	materials
2085	intelligence
462	truth
462	truth
359	old
19001	philosophical
51773	dictum
6309	intellect
4198	previously
7498	senses
430	people
14282	admired
5964	certainty
14505	alacrity
5199	gulls
2824	pick
6143	fragment
38949	biscuit
411	white
1148	wake
14828	steamer
6581	incident
906	characteristic
1627	power
3170	rapidly
32481	altering
8394	focus
1315	eye
294	birds
35669	unsurpassed
2096	sense
3311	sight
294	birds
2096	sense
2094	hearing
2637	comes
1205	good
4210	twig
3585	breaks
1346	feet
1399	sounds
1470	danger
1113	call
321	bird
3150	trying
3283	watch
21	young
294	birds
26702	partridges
17325	respond
668	hours
359	old
4157	anxious
8703	warning
382	note
1203	parents
24447	squat
3569	motionless
626	ground
1399	sounds
4725	excited
74938	clucking
18092	foster
1199	mother
751	hen
2026	leave
5568	indifferent
420	know
24447	squat
5872	obeying
418	hand
26937	behaviour
6191	instinctive
223	point
32540	discriminating
11549	quality
2096	sense
2094	hearing
39418	corroborated
4427	singing
294	birds
14558	emotional
201	art
12752	expressing
7233	feelings
3646	medium
1239	sound
839	part
1710	females
4480	supposed
3041	listen
28012	betokens
3435	cultivated
613	ear
288	illustration
8209	beaver
8209	beaver
53236	gnaw
1377	trees
1482	foot
3804	diameter
1212	trouble
485	necessary
1636	stop
7126	gnawed
4206	trunk
1005	narrow
14826	core
8971	wit
420	know
3570	autumn
48773	gales
1994	rest
288	illustration
35411	photo
74302	hinkins
6901	son
4613	thrush
36196	anvil
572	song
4613	thrush
878	takes
8746	snail
4292	bill
51191	knocks
4534	stone
3585	breaks
1422	making
2391	palatable
779	flesh
423	available
1673	broken
488	shells
670	found
36196	anvil
7498	senses
503	touch
2089	highly
946	developed
4292	bill
1565	where
3527	reaches
13980	climax
294	birds
786	wood
3207	cock
8922	probe
7821	unseen
74460	earthworms
1896	soft
605	soil
6286	taste
1193	seems
18925	poorly
946	developed
294	birds
12499	bolt
966	food
9767	emphatic
13000	rejection
8505	unpalatable
530	things
1115	toads
4459	caterpillars
804	smell
294	birds
664	known
2412	proved
2643	cases
6303	nocturnal
294	birds
332	prey
1193	seems
3311	sight
804	smell
5032	eagles
5268	gather
5669	carcass
804	smell
294	birds
1624	credited
4530	experiment
2387	oil
58068	preen
60264	gland
294	birds
486	see
8481	scent
1220	help
6918	recognition
3902	kin
3902	kin
1864	night
3562	darkness
2580	forest
7498	senses
294	birds
2096	sense
985	temperature
2096	sense
1492	balance
3052	success
5192	attended
12272	attempts
413	made
21459	demonstrate
21546	magnetic
2096	sense
8814	impatiently
22255	postulated
594	students
321	bird
3963	migration
534	order
2177	explain
294	birds
540	find
3159	big
714	fact
294	birds
2585	widely
23464	gateways
532	knowledge
2096	sense
3311	sight
2096	sense
2094	hearing
6191	instinctive
56153	aptitudes
21	young
635	water
321	bird
42996	coot
8025	swims
8860	tumbled
635	water
607	time
51110	chicks
12077	peck
7891	learning
16911	teaching
21	young
74939	ducklings
2104	catch
3918	moths
5505	flit
21	young
5223	plovers
3275	lie
1788	low
1470	danger
3886	signal
1399	sounds
294	birds
1125	seem
8284	strangely
5045	limited
7052	regards
6191	instinctive
24443	capacities
5045	limited
894	compared
37903	brained
336	ants
5346	bees
3721	rich
55032	repertory
970	ready
413	made
39537	cleverness
9496	limitation
294	birds
790	great
444	interest
553	means
2085	intelligence
2943	coming
2892	going
953	take
9752	reins
7230	corners
4542	daily
200	professor
17593	lloyd
25495	morgan
2202	observed
2856	chickens
74940	incubated
17367	laboratory
6191	instinctive
74493	awareness
10410	significance
1199	mother
74941	cluck
2657	brought
4214	door
13052	thirsty
6913	willing
1704	drink
22075	moistened
7195	finger
5623	tip
10661	instinctively
3249	recognize
635	water
1757	walked
26378	saucerful
5248	happened
12077	peck
1992	toes
4332	stood
635	water
3517	appreciate
635	water
13251	stuff
5762	wanted
1982	raise
5589	bills
66	sky
1735	twice
2765	actually
13255	stuffed
2882	crops
351	worms
3760	red
16131	worsted
6191	instinctive
56153	aptitudes
21	young
294	birds
5045	limited
336	ants
5346	bees
330	wasps
1765	reason
670	found
714	fact
6088	brain
24732	evolving
8999	tack
322	sir
8360	ray
67514	lankester
661	called
74942	educability
21	young
294	birds
3167	learn
1391	prodigious
1630	rapidity
32521	emancipation
2443	mind
13118	tyranny
33003	hereditary
23792	obligations
4164	begun
21	young
294	birds
473	make
6000	mistakes
3760	red
16131	worsted
4328	mistake
473	make
6000	mistakes
1172	able
9519	profit
1364	experience
3790	rapid
2725	mean
1096	creatures
6088	brain
2713	type
336	ants
5346	bees
330	wasps
2630	unable
9519	profit
1364	experience
2085	intelligence
1501	fast
4263	lines
2725	mean
1264	ordinary
74	life
1699	insects
74478	enregistered
6191	instinctive
24443	capacities
3948	sufficient
1366	occasion
4039	intelligent
74942	educability
1495	slightly
946	developed
2725	mean
294	birds
35938	emancipated
13118	tyranny
13093	engrained
6191	instinctive
23792	obligations
1424	ring
2085	intelligence
1579	impossible
24616	stereotyped
3942	bee
3311	sight
2869	pigeon
10364	brooding
3805	empty
340	nest
753	eggs
3275	lie
21501	disregarded
2834	couple
1345	inches
1725	show
4263	lines
294	birds
540	find
1579	impossible
919	get
2000	free
74943	trammels
1174	instinct
1567	peculiar
444	interest
294	birds
3187	instincts
8301	notable
1627	power
7891	learning
15817	intelligently
2085	intelligence
388	co
24308	operating
1174	instinct
200	professor
17593	lloyd
25495	morgan
18092	foster
2955	parent
74944	moorhens
4474	grew
36209	isolation
3524	kindred
2763	swam
10661	instinctively
8939	dive
368	bath
236	current
5248	happened
967	day
74944	moorhens
7098	swimming
3952	pool
28277	yorkshire
2914	stream
16906	puppy
2576	came
15495	barking
3326	bank
413	made
1546	awkward
6163	feint
21	young
321	bird
1087	moment
58785	moorhen
8806	dived
6738	disappeared
4991	view
3489	partially
11183	reappeared
747	head
4155	peeping
635	water
1970	overhanging
3326	bank
607	time
321	bird
8806	dived
5818	performance
3126	absolutely
2713	type
3896	doubt
3778	meaning
1537	observation
58785	moorhen
33003	hereditary
6191	instinctive
10107	capacity
7098	swimming
49509	diving
2330	latter
941	easily
661	called
1545	activity
116	former
2917	particular
58785	moorhen
577	question
20861	enjoyed
2704	months
7098	swimming
1364	experience
4636	counted
954	course
1364	experience
6662	pulled
16545	trigger
49509	diving
10107	capacity
19457	eventful
967	day
21	young
58785	moorhen
338	saw
1404	heard
2093	dog
74945	emotionally
4725	excited
1341	extent
15817	intelligently
3517	appreciate
4579	novel
23521	meaningful
4462	situation
2085	intelligence
74946	cooperated
1174	instinct
321	bird
8806	dived
20847	appropriately
294	birds
20345	inborn
74947	predispositions
5845	effective
446	ways
960	pecking
7989	scratching
7098	swimming
49509	diving
1571	flying
8583	crouching
3315	lying
1788	low
340	nest
467	building
437	marked
6064	purely
6191	instinctive
336	ants
5346	bees
1341	extent
2143	individual
2728	nurture
1193	seems
9141	mingle
6959	inherited
439	nature
1363	result
627	fine
19308	product
1113	call
321	bird
26937	behaviour
17593	lloyd
25495	morgan
51110	chicks
2081	tried
2922	conspicuous
8505	unpalatable
4459	caterpillars
7	use
6961	learned
259	days
1391	prodigious
1630	rapidity
22881	illustrating
1860	deep
2178	difference
3159	big
6088	brain
2713	type
2815	relatively
3255	poor
50673	endowment
6191	instinctive
24443	capacities
1540	eminently
74913	educable
6088	brain
2713	type
548	say
336	ants
5346	bees
102	richly
7497	endowed
6191	instinctive
24443	capacities
1473	quick
8062	glad
3167	learn
8693	owe
322	sir
8360	ray
67514	lankester
413	made
431	clear
2727	types
6088	brain
49716	tacks
7048	evolution
7704	pitted
6088	brain
2713	type
1961	makes
13980	climax
339	ant
1565	where
6191	instinctive
26937	behaviour
3527	reaches
2069	degree
6148	perfection
3159	big
6088	brain
2713	type
3527	reaches
13980	climax
2870	horse
2093	dog
2575	elephant
21252	monkey
2917	particular
444	interest
36022	attaches
26937	behaviour
294	birds
8609	combination
1205	good
434	deal
1174	instinct
790	great
434	deal
4039	intelligent
7891	learning
103	illustrated
294	birds
473	make
340	nest
917	materials
4579	novel
4462	situation
2751	clearly
417	seen
294	birds
1697	turn
958	kind
966	food
74898	kea
37902	parrot
3112	attacks
3885	sheep
7756	zealand
21	young
3709	woodpeckers
456	clever
3576	opening
8204	fir
8543	cones
919	get
620	seeds
10645	hastily
2272	referred
7118	defined
33003	hereditary
10107	capacity
1651	facts
1203	parents
2739	bring
21	young
938	ones
620	seeds
1993	partly
2586	opened
8543	cones
34543	intact
938	ones
74948	educative
648	process
5650	scores
2643	cases
1527	using
16932	wits
7919	greek
4771	eagle
15539	lifts
7919	greek
4006	tortoise
52226	talons
1854	lets
776	fall
1347	height
2341	strong
67409	carapace
1673	broken
779	flesh
4079	exposed
1422	making
4039	intelligent
7	use
23697	expedient
2396	discovered
23697	expedient
23143	experimenting
2717	chance
4340	likely
5036	uses
15817	intelligently
17349	herring
5199	gulls
5912	lift
65	sea
53182	urchins
74949	clams
5589	bills
1506	let
776	fall
487	rocks
488	shells
1673	broken
8872	rooks
434	deal
47179	freshwater
3564	mussels
4613	thrush
36196	anvil
8341	instructive
2331	case
26937	behaviour
572	song
4613	thrush
878	takes
786	wood
8746	snail
318	beak
10382	hammers
4534	stone
661	called
36196	anvil
21	young
4613	thrush
2657	brought
418	hand
385	miss
25900	frances
14031	pitt
4399	offered
786	wood
3565	snails
1754	took
444	interest
640	put
747	head
4489	began
504	move
321	bird
58148	pecked
8746	snail
16654	horns
1762	evidently
15386	puzzled
736	creature
8221	retreated
2572	shelter
5248	happened
4613	thrush
8927	inquisitive
444	interest
2767	increasing
967	day
967	day
58148	pecked
1665	picked
2099	lip
1528	progress
413	made
2850	sixth
967	day
4613	thrush
1645	seized
8746	snail
1107	beat
626	ground
3159	big
963	worm
967	day
1665	picked
871	knocked
4611	repeatedly
4534	stone
3150	trying
8746	snail
1828	fifteen
4238	minutes
558	work
4613	thrush
4297	managed
755	break
914	easy
61167	predisposition
1107	beat
530	things
626	ground
2632	doubtless
4530	experiment
4359	showed
7	use
36196	anvil
7319	arrived
74950	untutored
321	bird
2583	prolonged
3150	trying
670	found
434	deal
1242	difficult
4462	situation
867	said
4	natural
539	conditions
1665	picked
2884	imitation
5124	useful
1733	notice
5700	experiments
293	animals
4066	lead
3896	doubt
2884	imitation
28262	counts
813	nearly
7717	believed
32139	sec
2443	mind
66181	mammal
3283	watch
74951	collie
3885	sheep
2560	driving
17513	competition
2575	elephant
5485	helping
11899	forester
2870	horse
74952	shunting
59904	waggons
16843	railway
33853	siding
4583	apt
12957	generous
66181	mammal
2443	mind
2643	cases
3518	mentioned
839	part
303	man
2443	mind
2842	speak
3274	got
67	animal
418	hand
470	study
2828	rabbits
2490	guinea
9678	pigs
4583	apt
17005	stingy
4027	rodents
1902	average
1572	mammals
1653	live
2345	domestication
8788	illustrate
56501	stupefying
5087	effect
7400	sheltered
74	life
8612	applies
2017	domesticated
3885	sheep
8706	contrasted
343	wild
3885	sheep
5003	lambs
838	form
1239	sound
6701	judgment
2085	intelligence
1572	mammals
6767	attend
33742	profited
303	man
13002	training
6194	mental
74	life
26143	dulled
2345	domestication
6191	instinctive
56153	aptitudes
867	said
26937	behaviour
39854	beavers
53236	gnaw
1779	base
492	tree
5969	chisel
7878	edged
1225	teeth
1005	narrow
14826	core
4211	snap
25150	gale
2529	bringing
5124	useful
1543	branches
626	ground
867	said
606	harvest
4746	mouse
14851	constructing
340	nest
8925	squirrel
1422	making
57168	cache
57168	cache
8158	nuts
706	similar
777	pieces
26937	behaviour
33797	fundamentally
6191	instinctive
384	due
20345	inborn
74947	predispositions
3555	nerve
3551	cells
2184	muscle
3551	cells
1572	mammals
1125	seem
5192	attended
2719	amount
4039	intelligent
1663	attention
736	creature
13118	tyranny
6863	routine
437	marked
446	ways
336	ants
5346	bees
6912	sheer
1652	dexterity
6191	instinctive
56153	aptitudes
2659	exhibited
2332	equal
6148	perfection
2376	members
1330	species
1601	acquired
74953	dexterities
5107	depend
2143	individual
2653	opportunities
437	marked
1264	ordinary
6863	routine
22593	rigorous
4635	boundary
3915	line
1893	drawn
2848	read
74954	mathura
42879	jumna
50574	doles
966	food
10821	piety
18222	pilgrims
1209	sacred
2470	river
68039	tortoises
2800	crowded
966	food
2892	going
2134	smooth
74955	carapaces
838	form
7657	continuous
8366	raft
2470	river
1549	unsteady
8115	slippery
1974	bridge
63403	langur
8661	monkeys
63401	semnopithecus
63402	entellus
3257	venture
1714	spite
5187	vicious
64828	snaps
3401	secure
1141	share
19428	booty
6953	picture
8661	monkeys
6875	securing
7059	footing
2524	moving
119	mass
1208	turtle
1232	backs
7664	diagram
6912	sheer
1652	dexterity
24445	illustrates
4360	spirit
261	adventure
4530	experiment
5363	believe
3217	main
7092	motive
2245	force
20444	departures
26937	behaviour
288	illustration
35411	photo
25335	lafayette
36332	alsatian
4089	wolf
2093	dog
67	animal
2095	acute
7498	senses
790	great
2085	intelligence
790	great
5228	service
4768	war
2093	dog
807	shown
17207	arno
7757	von
74956	indetal
5674	trained
5145	police
2093	dog
5228	service
5269	abroad
4768	war
288	illustration
35411	photo
74235	berridge
8337	polar
1969	bear
2278	north
67	animal
6094	extraordinary
1431	strength
1172	able
5022	stroke
1756	paw
5912	lift
3159	big
9273	seal
635	water
9550	send
14607	crashing
3897	ice
966	food
608	consists
767	chiefly
17031	seals
4342	sexes
521	wander
2242	separately
3325	hole
4043	dug
309	winter
3264	retreat
4011	hibernation
8337	polar
1969	bear
1718	captivity
417	seen
1422	making
236	current
1756	paw
635	water
3952	pool
534	order
3401	secure
11459	floating
26652	buns
1212	trouble
3282	instance
6912	sheer
2085	intelligence
288	illustration
17145	smithsonian
2498	report
3433	alligator
16428	yawning
9823	expectation
966	food
382	note
2554	number
5295	sharp
4045	conical
1225	teeth
604	fixed
7174	sockets
2061	jaws
1627	power
12914	association
10423	bull
16854	terrier
661	called
23204	jasper
3989	studied
5244	prof
21080	watson
4359	showed
790	great
1627	power
10566	associating
523	words
511	actions
1464	position
5816	invisible
2093	dog
7478	owner
13	give
13433	commands
1824	go
1137	room
2739	bring
2270	paper
3315	lying
1491	floor
23204	jasper
4543	score
706	similar
530	things
3397	lord
45822	avebury
2093	dog
95	van
7384	accustomed
1824	go
4005	box
2273	containing
2554	number
9378	printed
9615	cards
7287	select
9562	card
10936	tea
1366	occasion
1263	suggested
2237	established
12914	association
410	black
6206	marks
411	white
13155	background
16186	gratification
16096	desires
855	probable
6094	extraordinary
530	things
2741	horses
5673	dogs
664	known
8808	stamping
2554	number
884	times
4480	supposed
12847	indication
579	answer
69408	arithmetical
577	question
2331	case
2741	horses
2109	name
1661	object
1893	drawn
2331	case
5673	dogs
6907	dependent
456	clever
12764	associations
2237	established
9238	teacher
673	minute
3279	signs
2554	number
74957	stampings
1572	mammals
6422	varying
5627	degrees
2341	strong
1627	power
5126	establishing
12764	associations
9602	delicacy
12914	association
2237	established
965	knows
2643	cases
1565	where
2093	dog
3423	cat
2870	horse
656	remain
15150	uninterested
1615	appearance
7478	owner
1574	movements
3239	detail
900	taking
5527	key
4527	peg
27319	pulls
16545	trigger
795	importance
343	wild
74	life
4088	fox
8335	hare
8909	otter
8925	squirrel
7010	obviously
21	young
293	animals
3167	learn
133	associate
1399	sounds
22214	environment
893	definite
16403	possibilities
3167	learn
35568	alphabet
66902	woodcraft
9216	letters
767	chiefly
1399	sounds
2682	scents
5834	dancing
4746	mouse
8431	pupil
5834	dancing
74958	waltzing
4746	mouse
18190	japanese
4463	variety
1197	peculiarities
8008	semicircular
23413	canals
613	ear
946	developed
2341	strong
2424	tendency
38357	waltz
5655	circles
3948	sufficient
3893	cause
5911	trip
7947	sideways
7427	dormitory
2785	instead
4183	proceeding
32624	orthodox
747	head
711	fashion
36193	freak
74913	educable
736	creature
200	professor
74205	yerkes
807	shown
805	careful
11099	confronted
4746	mouse
8431	pupil
25942	alternative
48153	pathways
437	marked
5627	degrees
40236	illumination
3038	colours
4746	mouse
7575	chose
21161	compartment
670	found
431	clear
1658	passage
1304	direct
340	nest
7575	chose
21161	compartment
16845	punished
3700	mild
15267	electric
6573	shock
953	take
14647	roundabout
4605	road
12822	needless
548	say
21161	compartment
418	hand
2776	else
2116	mere
1464	position
6207	guide
5700	experiments
4359	showed
5834	dancing
2827	mice
3167	learn
2454	discriminate
6409	path
1079	wrong
706	similar
5065	results
3274	got
1572	mammals
8864	rats
4034	squirrels
4810	proof
7891	learning
6675	ideas
4810	proof
7891	learning
1364	experience
343	wild
74	life
1572	mammals
8329	cats
8864	rats
3167	learn
69513	manipulate
8287	puzzle
10724	boxes
919	get
9896	treasure
2404	heart
33588	hampton
2018	court
16584	maze
8287	puzzle
10724	boxes
6844	reward
966	food
1242	difficult
6	various
38042	bolts
2077	bars
12840	dealt
2917	particular
534	order
1572	mammals
3398	master
3379	problem
4597	plain
945	gradually
22017	eliminate
5281	useless
1574	movements
473	make
2712	fewer
2712	fewer
6000	mistakes
685	eventually
2415	succeed
12631	register
15876	solution
525	remains
607	time
3241	looks
26937	behaviour
303	man
24320	learns
5299	game
3005	skill
4104	thinking
7891	learning
1364	experience
6675	ideas
6583	reflection
659	thus
1242	difficult
2309	suppose
7559	rat
3423	cat
838	form
1581	idea
6953	picture
33588	hampton
2018	court
16584	maze
3398	master
7891	learning
1719	tricks
1510	given
3948	sufficient
14322	inducement
39515	cleverer
1572	mammals
3167	learn
11415	sensible
530	things
4546	wise
548	say
5860	understand
5674	trained
293	animals
2393	exhibit
777	pieces
26937	behaviour
813	nearly
456	clever
1851	look
2575	elephant
15096	belle
30185	vue
1577	gardens
23079	manchester
688	collect
26184	pennies
12362	benevolent
11452	visitors
3274	got
17426	penny
4206	trunk
640	put
74959	slot
6994	automatic
7014	machine
12187	delivered
38949	biscuit
7548	visitor
1887	gave
2575	elephant
74960	halfpenny
1626	throw
7560	disgust
3311	sight
2098	seemed
4546	wise
3896	doubt
4039	intelligent
17155	appreciation
4462	situation
4596	largely
428	matter
22575	habituation
6087	outcome
805	careful
2583	prolonged
13002	training
2575	elephant
1977	laboriously
1175	taught
640	put
17426	penny
74959	slot
2454	discriminate
5124	useful
26184	pennies
5281	useless
74961	halfpennies
813	nearly
456	clever
4391	looked
1527	using
16932	wits
541	beautiful
38653	zoological
7732	park
9312	edinburgh
8337	polar
1969	bear
3208	sit
5233	rocky
23153	peninsula
635	water
4987	filled
2910	quarry
11452	visitors
1666	threw
26652	buns
8365	floated
935	surface
914	easy
8337	polar
1969	bear
688	collect
1328	half
1329	dozen
6364	plunging
3952	pool
2396	discovered
429	interesting
3235	edge
23153	peninsula
16676	scooped
635	water
8636	gently
2549	huge
1756	paw
413	made
236	current
2657	brought
26652	buns
15738	ashore
515	simple
820	piece
26937	behaviour
68852	smack
2085	intelligence
4351	putting
4579	novel
6154	suggests
1627	power
1422	making
661	called
74496	perceptual
14030	inference
1366	occasion
790	great
1133	flood
3969	meadow
2202	observed
2554	number
9078	mares
2657	brought
66290	foals
1863	top
30636	knoll
4332	stood
3587	protecting
4689	rising
635	water
2093	dog
664	known
1725	show
2243	rate
41336	plastic
17155	appreciation
6422	varying
4462	situation
7098	swimming
40418	tidal
2470	river
1086	changed
1980	starting
223	point
548	say
1123	according
756	flow
13320	ebb
5473	tide
8336	arctic
4607	foxes
343	wild
1572	mammals
1725	show
790	great
39537	cleverness
519	dealing
5828	traps
74790	manipulative
2085	intelligence
2568	elephants
3997	worthy
6276	admiration
32139	sec
876	why
2085	intelligence
5278	allow
1652	dexterity
1627	power
12914	association
11210	recognise
2719	amount
6191	instinctive
10107	capacity
10107	capacity
33053	profiting
1364	experience
4039	intelligent
5314	admit
2069	degree
6248	disappointment
953	take
6221	survey
26937	behaviour
1572	mammals
1731	especially
627	fine
6465	brains
1683	naturally
8353	expect
790	great
530	things
876	why
2829	frequent
15198	exhibition
2085	intelligence
33227	stricter
2096	sense
579	answer
1572	mammals
644	become
954	course
607	time
4233	adapted
1264	ordinary
539	conditions
74	life
5421	tend
2026	leave
3274	got
55032	repertory
2253	efficient
2875	answers
1264	ordinary
6123	questions
28642	everyday
74	life
876	why
4530	experiment
954	course
3075	struggle
844	existence
2237	established
5395	efficiency
21725	normal
2364	circumstances
834	therefore
1027	higher
293	animals
5421	tend
39515	cleverer
485	necessary
1572	mammals
23628	extraordinarily
2253	efficient
5421	tend
3648	dull
6194	mental
9470	equipment
22850	adequate
28642	everyday
539	conditions
74	life
5758	sufficiently
12957	generous
4263	lines
5314	admit
1506	let
548	say
444	interest
439	nature
9989	adventurous
4530	experiment
1572	mammals
5421	tend
5809	play
2030	safety
5056	hasten
17934	insert
429	interesting
40484	clauses
21898	experimentation
5809	play
8141	glimpse
1572	mammals
1822	capable
485	necessary
660	obtained
2406	watching
26708	playful
5003	lambs
16445	kids
66290	foals
6876	calves
21	young
4607	foxes
1025	others
21	young
1096	creatures
1506	let
1824	go
74962	irresponsibly
74963	unstereotyped
2710	test
1989	fellows
19309	experimental
35	character
67	animal
5809	play
437	marked
9698	recognised
74964	biologists
5809	play
293	animals
21	young
838	form
558	work
3746	playing
2772	period
2922	conspicuous
22207	vitally
25590	apprenticeship
576	serious
7453	business
74	life
1478	opportunity
7891	learning
35568	alphabet
439	nature
3746	playing
2772	period
2653	opportunities
293	animals
1422	making
5700	experiments
576	serious
3281	responsibilities
5809	play
439	nature
2845	device
4928	allowing
1499	elbow
1137	room
20444	departures
26937	behaviour
6816	variations
838	form
839	part
916	raw
917	materials
1528	progress
5809	play
6744	repeat
695	gives
8141	glimpse
16403	possibilities
66181	mammal
2443	mind
9895	glimpses
2085	intelligence
8925	squirrel
456	clever
16965	vanishing
1572	mammals
8209	beaver
867	said
68521	humdrum
8682	non
41336	plastic
5395	efficiency
4583	apt
2725	mean
40076	stagnation
417	seen
5809	play
21	young
1572	mammals
12847	indication
74965	unexhausted
16403	possibilities
919	get
7774	impression
1260	think
1651	facts
1572	mammals
2093	dog
2870	horse
10422	entered
735	active
74966	cooperative
501	relations
303	man
486	see
2443	mind
66181	mammal
1822	capable
1902	average
4066	lead
1260	think
303	man
8096	sheltering
4774	complete
2017	domesticated
736	creature
5933	passive
2080	grip
2085	intelligence
21914	deteriorates
470	study
1572	mammals
8909	otter
1653	live
47028	versatile
74	life
6319	complex
1242	difficult
22214	environment
919	get
39559	inspiriting
6953	picture
5809	play
16932	wits
5042	thirdly
587	pass
8661	monkeys
1565	where
7181	fore
2311	limb
644	become
2000	free
418	hand
1565	where
6088	brain
2201	shows
2815	relatively
790	great
11299	improvement
1565	where
523	words
2605	fail
11210	recognise
13527	emergence
6739	restless
48777	inquisitiveness
3113	desire
22596	investigate
535	world
16095	unsatisfied
2424	tendency
4530	experiment
2517	approaching
3545	dawn
1765	reason
2443	mind
8661	monkeys
32139	sec
10745	gamut
7125	bushy
4469	tailed
8925	squirrel
74795	marmosets
3159	big
37903	brained
1275	chimpanzee
790	great
4463	variety
1243	attainment
22732	levels
74200	simian
2377	tribe
8088	keen
7498	senses
1149	begin
526	beginning
8661	monkeys
3195	class
3554	sensory
9470	equipment
1731	especially
7052	regards
3311	sight
2094	hearing
503	touch
10381	axes
1740	eyes
1986	directed
5588	forwards
303	man
6029	section
164	field
2097	vision
733	common
1740	eyes
523	words
8661	monkeys
4774	complete
61595	stereoscopic
2097	vision
1994	rest
1572	mammals
8718	enjoy
1851	look
804	smell
877	distinguish
3038	colours
1812	apart
5627	degrees
11437	brightness
3288	coloured
502	objects
1473	quick
2454	discriminate
2147	differences
6026	shapes
530	things
10724	boxes
706	similar
885	size
830	shape
11650	prize
640	put
4005	box
830	shape
3167	learn
12914	association
7287	select
12100	profitable
3167	learn
2454	discriminate
9615	cards
523	words
3279	signs
9378	printed
2943	coming
8834	yes
9562	card
807	shown
2194	remaining
1669	perch
9562	card
516	says
6932	bred
2580	forest
74	life
1565	where
25728	alertness
74	life
2058	death
11549	quality
1473	quick
17325	respond
2079	sudden
448	movement
2824	pick
2518	feature
4666	surroundings
2097	vision
1853	holds
2094	hearing
1627	power
21634	manipulation
11549	quality
2191	separates
8661	monkeys
3286	markedly
1264	ordinary
1572	mammals
74790	manipulative
74967	expertness
388	co
20298	ordination
418	hand
1315	eye
790	great
5898	gift
5322	follows
714	fact
8661	monkeys
7181	fore
1481	leg
35938	emancipated
4212	ceased
4439	indispensable
1412	organ
1311	support
644	become
1480	climbing
1649	grasping
10448	lifting
8552	handling
1412	organ
7181	fore
2311	limb
644	become
2000	free
418	hand
965	knows
8661	monkeys
2224	aware
6612	zest
7	use
4129	tool
8718	enjoy
2060	pulling
530	things
777	pieces
958	kind
29004	dissection
12496	screwing
3681	handle
3471	brush
12496	screwing
288	illustration
35411	photo
74303	dando
2837	baby
1274	orang
1733	notice
890	ears
8414	suggestion
1205	good
7467	temper
1199	mother
1274	orang
1626	throw
52232	prickly
2614	fruits
777	pieces
1543	branches
14931	intrude
1229	maternal
1237	care
288	illustration
35411	photo
74295	gambier
42734	bolton
1274	orang
1768	utan
4309	heavy
1738	ape
19814	frequenting
1268	forests
1335	sumatra
1336	borneo
3180	mainly
1377	trees
1565	where
4020	temporary
340	nest
413	made
2744	expression
2023	melancholy
8015	belly
2305	protuberant
9916	colour
402	yellow
239	brown
1574	movements
13102	cautious
1818	slow
288	illustration
1275	chimpanzee
2837	baby
1274	orang
1768	utan
1274	orang
1768	utan
2837	baby
2281	chimpanzees
74271	photos
1911	james
111	press
7200	agency
253	famous
3	book
2744	expression
1118	emotions
303	man
293	animals
194	charles
319	darwin
4359	showed
2162	forms
56384	facial
2744	expression
2456	familiar
303	man
35229	counterparts
304	apes
1572	mammals
4359	showed
1574	movements
2744	expression
553	means
7053	communication
1199	mother
1814	offspring
2397	mate
2397	mate
74968	kith
3902	kin
62294	anthropoid
304	apes
1725	show
8301	notable
2147	differences
10426	temperament
23338	photographs
1725	show
1275	chimpanzee
7479	lively
11439	cheerful
74913	educable
1274	orang
3700	mild
7467	temper
1683	naturally
851	appears
2023	melancholy
1718	captivity
1263	suggested
17163	photograph
1825	adult
1275	chimpanzee
1274	orang
3286	markedly
8706	contrasted
3065	fierce
10474	gloomy
400	gorilla
1545	activity
1545	activity
7353	sake
200	professor
74969	thorndike
2844	hits
2144	nail
747	head
752	lays
10220	stress
7985	intensity
1545	activity
8661	monkeys
1545	activity
739	body
2443	mind
16332	pent
10387	reservoirs
7939	energy
5076	influence
21972	tap
3283	watch
3423	cat
2093	dog
200	professor
74969	thorndike
516	says
1062	comparatively
530	things
4824	content
843	periods
16831	splendidly
735	active
10460	response
22173	stimulus
966	food
2899	friend
5819	fight
14593	appeals
473	make
24623	utilitarian
10833	interests
3283	watch
21252	monkey
21983	enumerate
530	things
4123	discover
61073	stimuli
22608	reacts
6597	conceive
27910	raison
27911	etre
4856	pursuits
14593	appeals
16488	likes
735	active
7353	sake
1545	activity
8612	applies
6194	mental
1545	activity
11549	quality
6094	extraordinary
444	interest
2201	shows
23143	experimenting
5526	mood
1027	higher
1697	turn
21418	spiral
736	creature
303	man
2438	points
1507	forward
3426	scientific
4360	spirit
815	indeed
5363	believe
2079	sudden
526	beginning
11549	quality
8404	recall
23143	experimenting
3746	playing
1572	mammals
16445	kids
38789	kittens
8927	inquisitive
3947	adults
35391	kipling
64117	mongoose
74970	riki
74971	tiki
74972	tavi
413	made
7453	business
74	life
540	find
530	things
8661	monkeys
479	habit
6739	restless
23143	experimenting
2640	rises
1027	higher
8916	pitch
860	appear
1918	curious
535	world
74973	psychologist
2228	quoted
3091	tells
21252	monkey
5248	happened
3368	hit
2692	projecting
5452	wire
473	make
5111	vibrate
4670	went
12396	repeating
5818	performance
2791	hundreds
884	times
259	days
954	course
3274	got
9058	fun
12167	grist
6194	mental
7303	mill
714	fact
6194	mental
74	life
8661	monkeys
6844	reward
21252	monkey
6088	brain
3151	tender
74815	functioning
36	set
469	action
6912	sheer
1582	quickness
67141	correlated
11549	quality
6739	restless
48777	inquisitiveness
569	delight
1545	activity
7353	sake
11549	quality
1582	quickness
2725	mean
449	merely
60870	locomotor
2313	agility
6206	marks
8661	monkeys
1582	quickness
6941	perception
3365	plan
802	sort
11549	quality
74	life
1543	branches
51808	engender
1565	where
2331	case
745	neck
11549	quality
2994	describe
1857	spot
2868	phrase
8068	slipped
493	original
74974	moorings
2755	speaking
10235	bonnet
21252	monkey
3228	indian
64326	macaque
8891	cousin
958	kind
1002	lives
3146	rock
32600	gibraltar
200	professor
17188	holmes
5247	writes
11982	keenness
6941	perception
1630	rapidity
469	action
1917	facility
763	forming
1205	good
7186	practical
15047	judgments
446	ways
553	means
1479	escaping
2362	pursuit
21533	attaining
6	various
610	ends
74975	lizzie
17306	rivals
67	animal
535	world
7031	perceptions
25641	decisions
3790	rapid
1365	frequently
18257	transfer
1663	attention
2455	decide
3915	line
469	action
1711	carry
5087	effect
2224	aware
2576	came
8098	guard
10416	nimble
5871	unexpected
35514	manoeuvres
2808	succeeded
3360	getting
1453	possession
5411	apples
21995	peanuts
4951	intended
13	give
1660	successful
5818	performance
3142	task
1473	quick
3167	learn
998	fundamental
6479	understanding
67	animal
26937	behaviour
996	distinction
2751	clearly
1893	drawn
322	sir
8360	ray
67514	lankester
6088	brain
2713	type
3721	rich
20345	inborn
6191	instinctive
24443	capacities
2815	relatively
1818	slow
3167	learn
3159	big
6088	brain
2713	type
2815	relatively
3255	poor
50673	endowment
60481	specialised
3187	instincts
790	great
74942	educability
6088	brain
2713	type
506	finds
13980	climax
336	ants
5346	bees
3159	big
6088	brain
2713	type
2741	horses
5673	dogs
2568	elephants
8661	monkeys
293	animals
8661	monkeys
11184	quickest
3167	learn
7	use
2472	word
3167	learn
2725	mean
7639	formation
5124	useful
12764	associations
1510	given
2096	sense
19764	presentation
2917	particular
820	piece
26937	behaviour
2331	case
3334	sally
3198	remember
3334	sally
1275	chimpanzee
38755	zoo
1355	dr
74976	romanes
4530	experiment
1175	taught
13	give
9238	teacher
2554	number
3007	straws
8041	asked
6961	learned
4812	handed
2554	number
8041	asked
2160	offer
4218	refused
1887	gave
514	proper
2554	number
3274	got
820	piece
589	fruit
8041	asked
3007	straws
1665	picked
13884	individually
750	placed
749	mouth
3962	gathered
2179	presented
418	hand
12272	attempts
6436	teach
13	give
1827	ten
3007	straws
1660	successful
3334	sally
2074	meant
1006	limits
5924	patience
443	range
42114	computation
12904	hinted
2089	highly
429	interesting
2373	circumstance
519	dealing
1159	numbers
1365	frequently
4336	doubled
713	straw
473	make
610	ends
659	thus
860	appear
3007	straws
16958	doubling
713	straw
4391	looked
4039	intelligent
2845	device
607	time
6377	persistently
5002	resorted
1714	spite
714	fact
9238	teacher
4218	refused
9384	accept
4336	doubled
713	straw
5549	equivalent
3007	straws
919	get
8141	glimpse
2116	mere
12914	association
1239	sound
2554	number
3007	straws
2331	case
74975	lizzie
4925	front
1679	cage
200	professor
17188	holmes
984	kept
74975	lizzie
413	made
3914	vertical
2077	bars
667	allowed
4599	reach
1497	arm
114	board
1535	upright
2144	nail
3681	handle
750	placed
4178	apple
74975	lizzie
4599	reach
4620	reached
2144	nail
6662	pulled
114	board
3274	got
4178	apple
10172	employment
693	method
10970	trial
18323	error
1304	direct
2974	appropriate
469	action
6941	perception
313	relation
114	board
2144	nail
4178	apple
954	course
3200	ancestors
59138	adepts
1929	drawing
589	fruit
5130	laden
1596	branch
4599	reach
515	simple
4530	experiment
8341	instructive
8341	instructive
2643	cases
5700	experiments
2342	indicate
1642	gradual
15568	sifting
5281	useless
1574	movements
19457	eventful
12929	retention
3273	pays
74975	lizzie
1510	given
22008	vaseline
8766	bottle
2273	containing
23308	peanut
6283	closed
27240	cork
6662	pulled
27240	cork
1225	teeth
5872	obeying
1174	instinct
1685	bite
502	objects
6961	learned
1697	turn
8766	bottle
5951	upside
1506	let
2390	nut
1155	drop
3274	got
2390	nut
2729	education
3274	got
2593	quickly
12847	indication
4203	perceived
1878	fit
514	proper
3360	getting
5762	wanted
954	course
4999	intent
4819	efforts
2443	mind
2098	seemed
4120	absorbed
1661	object
3113	desire
8409	focussed
553	means
21533	attaining
1661	object
6365	deliberation
22588	discrimination
17086	unimportant
808	elements
26937	behaviour
945	gradually
2767	increasing
1917	facility
9376	performances
7681	depended
2022	apparently
5479	unconscious
22153	elimination
5281	useless
1574	movements
661	called
7891	learning
7891	learning
1788	low
1456	level
7891	learning
6675	ideas
2709	hardly
7891	learning
4530	experiment
7891	learning
1364	experience
38919	fumbling
7891	learning
10970	trial
18323	error
1027	higher
382	note
6185	struck
26937	behaviour
2089	highly
7497	endowed
8661	monkeys
5700	experiments
767	chiefly
3360	getting
10724	boxes
1242	difficult
1238	evidence
10471	attentive
12911	persistent
4530	experiment
3790	rapid
22153	elimination
41136	ineffective
1574	movements
5699	remembering
15876	solution
2396	discovered
74977	kinnaman
1175	taught
64238	macaques
33588	hampton
2018	court
16584	maze
1680	feat
553	means
6551	memory
1574	movements
919	get
429	interesting
8141	glimpse
1537	observation
4489	began
68852	smack
2049	lips
9820	audibly
4620	reached
2330	latter
839	part
954	course
4489	began
1190	feel
548	say
607	time
3360	getting
8287	puzzle
10724	boxes
8609	combination
10724	boxes
1565	where
13370	barriers
7078	overcome
893	definite
534	order
8661	monkeys
3167	learn
10970	trial
18323	error
693	method
2593	quickly
8329	cats
5673	dogs
6214	suggestive
714	fact
15651	emphasized
200	professor
74969	thorndike
648	process
2079	sudden
8503	acquisition
3790	rapid
2022	apparently
28469	instantaneous
11784	abandonment
6307	unsuccessful
1574	movements
6819	selection
2974	appropriate
17306	rivals
10610	suddenness
53	selections
413	made
2019	human
1021	beings
706	similar
9376	performances
1027	higher
382	note
13046	sounded
74969	thorndike
8661	monkeys
2586	opened
8287	puzzle
4005	box
2770	eight
2704	months
5254	previous
1364	experience
802	sort
22798	registration
15876	solution
2884	imitation
2281	chimpanzees
26605	dublin
38755	zoo
417	seen
6374	washing
10346	shelves
12472	cupboard
11353	wringing
6449	wet
638	cloth
6679	approved
711	fashion
15281	caricature
55756	washerwoman
867	said
8444	mimics
420	know
2331	case
2281	chimpanzees
3596	majority
5700	experiments
413	made
4066	lead
3984	attach
2884	imitation
795	importance
1510	given
391	popular
13934	interpreter
2746	instances
1565	where
21252	monkey
1510	given
8287	puzzle
6948	despair
2399	returned
417	seen
9900	neighbour
2415	succeed
5700	experiments
1263	suggested
736	creature
540	find
515	simple
3379	problem
1929	drawing
966	food
1985	stick
1193	seems
7	use
1725	show
21252	monkey
1525	placing
1664	bit
966	food
21252	monkey
1679	cage
200	professor
17188	holmes
20492	poked
1985	stick
13	give
8414	suggestion
1985	stick
5601	employed
504	move
966	food
4599	reach
1178	act
652	repeated
884	times
74975	lizzie
4359	showed
1726	inclination
7	use
1985	stick
3092	advantage
1581	idea
4129	tool
10235	bonnet
21252	monkey
13102	cautious
200	professor
74194	hobhouse
21252	monkey
64326	macaque
2434	genus
6961	learned
954	course
607	time
7	use
10060	crooked
1985	stick
790	great
5087	effect
2331	case
15641	peter
26821	cleverest
21252	monkey
3989	studied
3916	performing
1275	chimpanzee
661	called
15641	peter
1538	generally
2395	described
1355	dr
74978	lightner
74979	witmer
15641	peter
58865	skate
23147	cycle
2907	thread
4161	needles
51351	untie
8112	knots
4521	smoke
28335	cigarette
4843	string
22090	beads
9177	screw
10570	nails
14841	unlock
10303	locks
15641	peter
4104	thinking
607	time
8515	guess
1238	evidence
7520	suggest
3790	rapid
1627	power
4351	putting
2071	rose
802	sort
23269	concrete
6194	mental
23143	experimenting
1355	dr
74976	romanes
1113	call
74496	perceptual
14030	inference
1501	fast
4635	boundary
4263	lines
1700	avoid
915	general
6630	conclusion
8661	monkeys
4039	intelligent
2322	seldom
1725	show
26180	hints
1765	reason
4814	working
3746	playing
915	general
6675	ideas
525	remains
303	man
33445	prerogative
19913	bustle
2443	mind
1572	mammals
60165	otters
4607	foxes
74980	stoats
12689	hares
2568	elephants
6319	complex
12161	tides
5556	currents
6088	brain
2443	mind
1260	think
2914	stream
5556	currents
22732	levels
2749	lowest
46183	basal
16505	appetites
1843	hunger
2553	sex
8805	eddies
4689	rising
935	surface
5600	primary
1118	emotions
4098	fear
33003	hereditary
2029	enemies
1229	maternal
2394	affection
1814	offspring
6191	instinctive
56153	aptitudes
20345	inborn
508	powers
456	clever
530	things
3167	learn
1572	mammals
6814	expressed
14911	controlled
74	life
4039	intelligent
1545	activity
1565	where
431	clear
1224	cut
74496	perceptual
5076	influence
288	illustration
35411	photo
74303	dando
1275	chimpanzee
2164	african
1738	ape
1269	equatorial
1268	forests
7479	lively
26708	playful
736	creature
1540	eminently
74913	educable
288	illustration
35411	photo
74235	berridge
21	young
65284	cheetahs
3466	hunting
43978	leopards
5674	trained
5133	hunt
607	time
10057	immemorial
941	easily
7471	tamed
65284	cheetahs
1798	occur
7284	india
17373	persia
65459	turkestan
1270	africa
288	illustration
35411	photo
6025	reid
733	common
8909	otter
25302	resourceful
293	animals
74981	playsomest
74982	crittur
5096	god
64	earth
6681	stores
66998	hibernates
18988	survives
528	virtue
16932	wits
805	careful
2729	education
21	young
8909	otter
26491	roving
67	animal
1930	resting
1216	place
664	known
5463	travel
1828	fifteen
1421	miles
1864	night
1027	higher
5394	records
15820	memories
2143	individual
1364	experience
22798	registration
2143	individual
1240	habits
935	surface
74983	instreaming
617	multitude
9644	messages
535	world
74984	raindrops
74985	hailstones
2914	stream
1397	penetrating
3708	deeply
548	say
498	full
3778	meaning
2443	mind
1027	higher
67	animal
845	respects
505	child
2443	mind
431	clear
1224	cut
6675	ideas
2301	showing
1765	reason
9481	strict
2096	sense
6094	extraordinary
74942	educability
8723	differs
505	child
2443	mind
781	entirely
49783	effectiveness
55032	repertory
40709	responses
2253	efficient
2069	degree
9935	arose
303	man
303	man
6088	brain
1000	complicated
1027	higher
304	apes
400	gorilla
1274	orang
1275	chimpanzee
2815	relatively
712	larger
10696	improvements
679	structure
1125	seem
3948	sufficient
1089	account
303	man
790	great
2814	advance
2085	intelligence
7851	rill
1997	inner
74	life
644	become
7221	swift
2914	stream
6732	rushing
28228	torrent
74496	perceptual
14030	inference
2085	intelligence
802	sort
6953	picture
18662	logic
293	animals
74498	conceptual
14030	inference
1765	reason
3013	internal
23143	experimenting
915	general
6675	ideas
26821	cleverest
293	animals
1125	seem
919	get
3746	playing
1781	particulars
303	man
5481	plays
3013	internal
5299	game
17605	chess
74986	universals
4039	intelligent
26937	behaviour
1824	go
6194	mental
32846	images
6960	rational
9740	conduct
12578	demands
915	general
6675	ideas
74987	percepts
28647	concepts
994	differ
2069	degree
958	kind
1658	passage
2074	meant
1027	higher
1627	power
763	forming
12764	associations
456	clever
2093	dog
60333	generalised
74988	percept
303	man
2971	distinguished
6551	memory
6951	image
2917	particular
276	men
664	known
303	man
9369	concept
303	man
5134	mankind
3502	humanity
23143	experimenting
28647	concepts
915	general
6675	ideas
1113	call
1765	reason
954	course
919	get
1860	deep
2635	waters
4116	wisest
2033	attempt
4824	content
2531	pointing
303	man
2814	advance
2085	intelligence
2085	intelligence
1765	reason
796	closely
7381	wrapped
1627	power
9834	speech
293	animals
4489	began
50783	vocabulary
3238	carried
6148	perfection
19754	distinctive
50783	vocabulary
479	habit
1422	making
14426	sentences
12752	expressing
15047	judgments
1301	admitted
7053	communication
2443	mind
2443	mind
16839	multiplication
523	words
2074	meant
7	use
523	words
12636	symbols
915	general
6675	ideas
2074	meant
2074	meant
9485	possibility
3746	playing
3013	internal
5299	game
4104	thinking
2814	advance
553	means
5325	comparing
378	notes
13213	neighbours
40155	corroborating
2143	individual
1364	experience
4311	social
2451	intercourse
523	words
4676	became
7909	easier
74490	enregister
8602	gains
10410	significance
7919	greek
74586	logos
5852	translated
2472	word
5852	translated
2443	mind
32139	sec
3035	looking
5587	backwards
953	take
6221	survey
67	animal
26937	behaviour
486	see
2547	inclined
5575	plane
934	outer
535	world
55176	provokes
515	simple
1096	creatures
579	answer
515	simple
1096	creatures
1178	act
8448	experimentally
4666	surroundings
526	beginning
35450	twofold
648	process
2892	going
2654	receiving
61073	stimuli
22214	environment
5135	acting
22214	environment
1123	according
5395	efficiency
21604	reactions
511	actions
1096	creatures
7715	sifted
2771	millions
436	years
3217	main
3915	line
2814	advance
3576	opening
23464	gateways
532	knowledge
7498	senses
2554	number
3217	main
3915	line
2814	advance
915	general
14	terms
23143	experimenting
17484	testing
5826	probing
28492	proving
3150	trying
5527	key
4214	door
16104	unlocked
1528	progress
20180	multiplying
23464	gateways
532	knowledge
1422	making
32540	discriminating
1528	progress
1422	making
20270	modes
23143	experimenting
1670	wide
8084	awake
14911	controlled
12823	resolute
22134	characteristically
1158	vital
1627	power
74489	enregistering
22183	organism
8342	lessons
74	life
2143	individual
74989	enregistrations
103	illustrated
15820	memories
74990	habituations
1240	habits
74	life
3093	race
103	illustrated
38518	reflex
511	actions
6191	instinctive
24443	capacities
739	body
2443	mind
69153	shirk
1242	difficult
577	question
313	relation
4111	bodily
6194	mental
1503	side
26937	behaviour
790	great
20576	thinkers
1175	taught
2443	mind
522	reality
5481	plays
3869	instrument
6088	brain
739	body
3869	instrument
1925	gets
4192	worn
11909	dusty
3746	playing
1205	good
19862	player
6055	theory
852	essential
6976	independence
2443	mind
541	beautiful
933	applied
5332	fond
933	applied
4039	intelligent
1096	creatures
8872	rooks
2568	elephants
1642	gradual
32521	emancipation
2443	mind
3410	gone
13187	furthest
303	man
6368	progressing
20576	thinkers
1175	taught
1997	inner
74	life
1672	thought
6369	feeling
10545	echo
1545	activity
739	body
6088	brain
6675	ideas
11714	foam
11734	bells
6210	hurrying
3186	streams
6208	circling
8805	eddies
428	matter
7939	energy
473	make
7045	physiological
74	life
6055	theory
1579	impossible
6675	ideas
7233	feelings
1045	purposes
5852	translated
428	matter
999	motion
33564	clearest
472	realities
1364	experience
5401	count
1205	good
74	life
74991	tickings
9801	clock
473	make
4626	wheels
1824	go
1025	others
1260	think
3426	scientific
1464	position
911	simply
11210	recognise
4111	bodily
6194	mental
6235	activities
3209	equally
796	closely
3636	interwoven
942	separated
934	outer
1997	inner
9344	aspects
522	reality
74	life
736	creature
27567	concave
8752	convex
1849	curves
5772	dome
584	sides
585	shield
74	life
22183	organism
25249	unity
607	time
4475	appearing
8332	conspicuously
2443	mind
739	body
607	time
739	body
2443	mind
714	fact
2534	aspect
59225	jugglery
523	words
919	get
2443	mind
428	matter
999	motion
2443	mind
1215	safe
6149	saying
526	beginning
2443	mind
7448	accordance
33734	aristotle
6149	saying
612	end
958	kind
526	beginning
2725	mean
526	beginning
6630	conclusion
441	led
3138	truly
327	wonderful
1363	result
12833	admire
736	creature
2093	dog
8909	otter
2870	horse
8335	hare
915	general
548	say
3217	main
4003	processes
17484	testing
530	things
1072	holding
1501	fast
1205	good
20444	departures
1798	occur
533	tested
4727	worth
61181	idiosyncrasies
5112	crop
7715	sifted
9615	cards
1070	come
7140	mysteriously
736	creature
418	hand
2100	played
458	worse
6816	variations
15568	sifting
23143	experimenting
74489	enregistering
5065	results
2443	mind
945	gradually
5919	evolved
1160	continue
60552	evolve
260	viii
326	foundations
5097	universe
535	world
8164	atoms
430	people
1404	heard
15126	oriental
3093	race
15386	puzzled
326	foundations
5097	universe
2161	decided
1990	supported
11449	giant
2575	elephant
2575	elephant
640	put
11161	monstrous
4006	tortoise
1506	let
428	matter
612	end
67	animal
439	nature
661	called
2491	nearer
853	foundation
4347	ancient
17308	peoples
815	indeed
413	made
2351	effort
540	find
853	foundation
5097	universe
2991	compact
679	structure
3180	mainly
768	composed
64	earth
790	great
4775	canopy
64	earth
661	called
66	sky
11459	floating
18507	ancients
10133	wiser
4177	knew
530	things
776	fall
6662	pulled
1008	mysterious
2245	force
1113	call
35093	gravitation
64	earth
6662	pulled
1921	sun
776	fall
64	earth
8785	escapes
8120	fiery
1213	fate
41448	circulating
790	great
1505	speed
1921	sun
8821	stars
4057	pull
8494	explained
2188	meet
4271	travelling
3170	rapidly
2752	gigantic
2165	orbits
2096	sense
2472	word
326	foundations
5097	universe
2443	mind
51758	craves
6958	explanation
428	matter
5097	universe
413	made
6958	explanation
1697	turn
6050	modern
33743	physics
17134	chemistry
2621	sciences
470	study
9344	aspects
428	matter
7939	energy
640	put
13360	conception
998	fundamental
439	nature
530	things
6206	marks
8131	epoch
5	history
2019	human
1672	thought
32139	sec
7782	bricks
34041	cosmos
496	thousand
436	years
276	men
392	science
17807	greeks
5311	cities
1255	asia
7447	minor
25682	speculated
439	nature
428	matter
2878	grind
820	piece
4534	stone
7105	dust
6027	divide
19029	spoonful
635	water
4557	drops
2022	apparently
1824	go
10646	dividing
3274	got
3560	apparatus
627	fine
558	work
1375	limit
17807	greeks
867	said
4480	supposed
428	matter
7745	ultimately
768	composed
673	minute
5287	particles
13487	indivisible
3778	meaning
7919	greek
2472	word
1192	atom
6675	ideas
3024	brilliant
7919	greek
20576	thinkers
1192	atom
1239	sound
13360	conception
420	know
967	day
428	matter
768	composed
8164	atoms
392	science
21	young
17807	greeks
933	applied
1581	idea
7379	profound
1707	liquid
923	gas
867	said
7682	consisted
2134	smooth
8164	atoms
7380	cling
8164	atoms
692	rough
7223	surfaces
74992	hooky
7223	surfaces
4062	stuck
981	formed
22029	solids
8164	atoms
862	iron
7713	marble
3282	instance
74992	hooky
3274	got
2341	strong
303	man
5692	tear
1812	apart
17807	greeks
1672	thought
6958	explanation
5097	universe
6481	infinite
2554	number
8164	atoms
2524	moving
12172	mixing
6481	infinite
1057	space
6481	infinite
607	time
3368	hit
2717	chance
2917	particular
8609	combination
5097	universe
515	simple
7670	superficial
1581	idea
8164	atoms
1745	cast
10247	aside
2738	advanced
6	various
446	ways
253	famous
23079	manchester
14170	chemist
128	john
41651	dalton
4344	restored
436	years
9228	nineteenth
7506	century
20875	definitely
33437	formulated
45370	atomic
6055	theory
3426	scientific
26614	hypothesis
6151	physical
806	chemical
392	science
7506	century
1303	based
1192	atom
4328	mistake
2309	suppose
2405	recent
4672	discoveries
18688	discredited
74993	atomism
1192	atom
1962	smallest
12881	particle
806	chemical
452	element
417	seen
1192	atom
327	wonderful
676	microscope
3383	invented
3333	possibly
1725	show
5287	particles
428	matter
2756	million
884	times
1353	smaller
2796	breadth
1821	hair
885	size
8164	atoms
7301	weigh
4979	measure
5816	invisible
420	know
428	matter
768	composed
6689	discovery
8164	atoms
13487	indivisible
757	consist
1353	smaller
5287	particles
486	see
8164	atoms
875	exist
548	say
7782	bricks
424	material
5097	universe
500	built
288	illustration
35411	photo
5460	elliott
2775	fry
322	sir
136	ernest
51017	rutherford
6558	eminent
74395	physicists
2808	succeeded
322	sir
17917	thomson
74994	cavendish
200	professor
33743	physics
188	university
8578	cambridge
6050	modern
6055	theory
679	structure
1192	atom
4596	largely
384	due
288	illustration
35411	photo
74215	rischgitz
9394	collection
9239	clerk
21855	maxwell
1611	greatest
3426	scientific
276	men
1360	lived
69195	revolutionised
33743	physics
21548	electro
21546	magnetic
6055	theory
3104	light
2766	practically
6050	modern
5571	researches
2474	origin
1304	direct
8502	indirect
558	work
74995	faraday
7351	constitutes
3217	main
3426	scientific
33398	glories
9228	nineteenth
7506	century
288	illustration
35411	photo
136	ernest
629	mills
322	sir
88	william
74304	crookes
322	sir
88	william
74304	crookes
23144	experimented
15267	electric
6979	discharge
17812	vacuum
5842	tubes
2395	described
445	phenomena
5956	fourth
1032	state
428	matter
2765	actually
4265	observing
1644	flight
74306	electrons
2536	fully
3517	appreciate
439	nature
5700	experiments
288	illustration
35411	photo
35411	photo
111	press
200	professor
322	sir
47311	bragg
2971	distinguished
74395	physicists
967	day
16222	magical
3152	glass
553	means
486	see
679	structure
424	material
530	things
486	see
8164	atoms
640	put
3622	evenly
7782	bricks
3788	wall
426	rule
8164	atoms
1070	come
838	form
712	larger
12881	particle
1113	call
41039	molecule
2168	single
8164	atoms
426	rule
875	exist
1812	apart
8164	atoms
41039	molecule
1673	broken
2143	individual
8164	atoms
1173	seek
8408	unite
8164	atoms
958	kind
699	example
8164	atoms
811	oxygen
838	form
1113	call
21542	ozone
8164	atoms
810	hydrogen
34995	uniting
1192	atom
811	oxygen
838	form
635	water
936	molecules
838	form
119	mass
428	matter
41039	molecule
6814	expressed
467	building
8164	atoms
7782	bricks
919	get
5124	useful
4991	view
424	material
530	things
3681	handle
1707	liquid
936	molecules
1707	liquid
7380	cling
2613	loosely
656	remain
739	body
5053	roll
41316	cohesion
1439	powerful
764	solid
640	put
635	water
11342	kettle
10038	lighted
923	gas
4131	presently
1147	tiny
936	molecules
635	water
2027	rush
24384	spout
6292	cloud
8152	steam
3811	scatter
12939	kitchen
3441	heat
1673	broken
13729	bond
12914	association
2295	turned
635	water
923	gas
420	know
5287	particles
1070	come
4930	cool
838	form
4557	drops
635	water
923	gas
936	molecules
498	full
2143	individual
7486	liberty
1032	state
4889	violent
448	movement
838	form
397	union
2801	want
2245	force
874	enter
1654	loose
802	sort
12914	association
936	molecules
1707	liquid
1818	slow
2143	individual
1574	movements
18646	applying
3612	severe
634	cold
6050	modern
303	man
392	science
41058	liquefies
21668	gases
1627	power
49255	liquefy
821	air
1264	ordinary
985	temperature
3612	severe
634	cold
418	hand
821	air
26088	spontaneously
644	become
1707	liquid
967	day
2604	fires
1921	sun
7790	sunk
1788	low
985	temperature
64	earth
21481	deg
548	say
408	hundred
5627	degrees
23312	centigrade
1010	freezing
223	point
1051	sink
985	temperature
8067	moon
920	atmosphere
3229	ocean
1707	liquid
821	air
1346	feet
1860	deep
3315	lying
6104	solidly
3694	frozen
2795	masses
635	water
38559	oceans
764	solid
936	molecules
7380	cling
5938	firmly
2245	force
2332	equal
100	twenty
22994	tons
5692	tear
1622	asunder
936	molecules
862	iron
2138	inch
1904	thick
679	structure
764	solid
391	popular
2096	sense
2472	word
640	put
820	piece
764	solid
8695	gold
3952	pool
6297	mercury
8695	gold
953	take
6297	mercury
936	molecules
7818	porous
7444	sponge
13642	hardest
764	solid
13632	lattice
558	work
2725	mean
764	solid
936	molecules
604	fixed
2077	bars
13632	lattice
558	work
4889	violent
999	motion
5111	vibrate
1519	equilibrium
1856	positions
486	see
2404	heart
1664	bit
13642	hardest
6136	steel
486	see
23429	billions
929	separate
936	molecules
1405	distance
2524	moving
3170	rapidly
4277	fro
41041	molecular
448	movement
4979	measure
413	made
3550	visible
4180	noticed
74996	microscopist
7312	named
239	brown
15876	solution
2273	containing
627	fine
729	suspended
5287	particles
5287	particles
3137	constant
448	movement
1439	powerful
676	microscope
5287	particles
417	seen
5676	violently
4892	agitated
3421	independently
5837	darting
6613	hither
4487	thither
1026	somewhat
6400	lot
22297	billiard
8935	balls
22297	billiard
5283	table
74997	colliding
6245	bounding
5367	directions
2714	thousands
884	times
6171	encounters
1798	occur
7479	lively
8166	commotion
2892	going
3160	incessant
74997	colliding
41039	molecule
21725	normal
725	condition
5100	affairs
1994	rest
1765	reason
4103	worked
664	known
5287	particles
504	move
959	incessantly
34817	bombarded
936	molecules
1707	liquid
936	molecules
954	course
417	seen
714	fact
3160	incessant
448	movement
9943	revealed
1315	eye
26937	behaviour
3550	visible
729	suspended
5287	particles
3160	incessant
448	movement
535	world
936	molecules
661	called
74305	brownian
448	movement
1889	striking
4810	proof
522	reality
41041	molecular
16070	motions
32139	sec
296	wonder
535	world
8164	atoms
8250	exploration
296	wonder
535	world
8164	atoms
936	molecules
74395	physicists
11692	chemists
967	day
11594	impressive
13209	triumphs
6050	modern
392	science
1812	apart
60544	radium
74306	electrons
25666	sensational
4672	discoveries
2405	recent
436	years
470	study
1264	ordinary
428	matter
2709	hardly
1041	inferior
444	interest
35583	audacity
558	work
220	astronomer
853	foundation
2643	cases
1842	marvellous
3560	apparatus
20076	trains
6040	mathematical
6216	reasoning
3203	astonished
19795	euclid
39362	archimedes
6094	extraordinary
834	therefore
1651	facts
5026	figures
2892	going
13	give
2446	connection
22424	minuteness
8164	atoms
936	molecules
1506	let
1969	bear
2443	mind
8693	owe
764	solid
3612	severe
4003	processes
2019	human
1672	thought
1151	principle
2643	cases
413	made
431	clear
5352	reader
8041	asked
953	take
1217	trust
3282	instance
428	matter
733	common
532	knowledge
8695	gold
1896	soft
765	beaten
8695	gold
334	leaf
428	matter
733	common
2096	sense
5502	hopes
1107	beat
2136	measured
48471	cube
8695	gold
334	leaf
1345	inches
3735	square
35094	mathematician
490	tell
4056	thickness
334	leaf
1784	measuring
428	matter
714	fact
2168	single
698	grain
8695	gold
765	beaten
334	leaf
2663	seventy
1345	inches
3735	square
35094	mathematician
941	easily
540	find
2168	single
698	grain
8695	gold
765	beaten
885	size
334	leaf
2138	inch
1904	thick
496	thousand
884	times
21314	thinner
2270	paper
523	words
9378	printed
334	leaf
936	molecules
1904	thick
3824	finest
8695	gold
334	leaf
714	fact
1904	thick
1091	purpose
1697	turn
444	interest
13768	toy
4933	boyhood
1730	soap
1048	bubble
1214	carefully
2150	examine
1053	delicate
24715	films
49528	soapy
635	water
1733	notice
2516	dark
3651	spots
6242	patches
4968	thinnest
748	parts
1558	independent
5678	methods
1527	using
17489	electricity
3104	light
670	found
3651	spots
1048	bubble
16532	millionth
2138	inch
1904	thick
936	molecules
8641	film
7380	cling
5938	firmly
100	twenty
2358	thirty
1860	deep
4968	thinnest
839	part
41039	molecule
834	therefore
16532	millionth
2138	inch
1904	thick
670	found
8641	film
2387	oil
935	surface
635	water
21314	thinner
1730	soap
1048	bubble
200	professor
36549	perrin
790	great
7154	french
2323	authority
8164	atoms
3274	got
24715	films
2387	oil
1834	fifty
16532	millionth
2138	inch
4056	thickness
646	poured
2136	measured
1155	drop
2387	oil
635	water
670	found
4734	exact
1006	limits
2433	area
2387	oil
5534	sheet
11531	blowing
635	water
627	fine
628	powder
2432	spread
3235	edge
8641	film
2751	clearly
23332	outlined
1994	rest
1215	safe
515	simple
2758	calculation
2331	case
765	beaten
698	grain
8695	gold
8641	film
2387	oil
936	molecules
1860	deep
2168	single
41039	molecule
2387	oil
2173	considerably
408	hundred
16532	millionth
2138	inch
3804	diameter
602	innumerable
5678	methods
2081	tried
1363	result
2168	single
698	grain
4588	indigo
3282	instance
9916	colour
16280	ton
635	water
7010	obviously
553	means
698	grain
616	contains
23429	billions
936	molecules
2432	spread
635	water
698	grain
18600	musk
8481	scent
1137	room
6060	pour
936	molecules
839	part
436	years
12634	lose
16532	millionth
119	mass
2658	year
408	hundred
446	ways
2301	showing
22424	minuteness
13737	ultimate
5287	particles
428	matter
3127	enable
13	give
893	definite
5026	figures
805	careful
2675	comparison
5678	methods
548	say
1902	average
41039	molecule
428	matter
2138	inch
3804	diameter
2168	single
21260	cubic
74998	centimetre
821	air
74999	globule
885	size
7713	marble
2358	thirty
2756	million
68888	trillion
936	molecules
41039	molecule
338	saw
2846	group
5897	cluster
8164	atoms
1192	atom
1353	smaller
8164	atoms
8492	reasons
486	see
994	differ
1414	greatly
885	size
1973	weight
548	say
953	take
3915	line
1916	cover
2138	inch
1057	space
878	takes
75000	quintillion
8164	atoms
8695	gold
7301	weigh
2168	single
75001	gramme
2756	million
8164	atoms
74349	helium
750	placed
3915	line
3804	diameter
498	full
1636	stop
288	illustration
1192	atom
1962	smallest
12881	particle
806	chemical
452	element
8164	atoms
1070	come
838	form
41039	molecule
659	thus
936	molecules
838	form
119	mass
428	matter
41039	molecule
635	water
413	made
8164	atoms
810	hydrogen
1192	atom
811	oxygen
936	molecules
691	substances
834	therefore
3840	sizes
1123	according
2554	number
958	kind
2917	particular
8164	atoms
768	composed
674	starch
41039	molecule
616	contains
8164	atoms
936	molecules
954	course
5816	invisible
7664	diagram
24445	illustrates
2506	comparative
3840	sizes
936	molecules
288	illustration
14974	inconceivable
1159	numbers
55841	inconceivably
5287	particles
936	molecules
55841	inconceivably
418	hand
2552	numerous
1172	able
1216	place
612	end
612	end
697	contained
699	example
21260	cubic
74998	centimetre
923	gas
17071	fifteenth
21260	cubic
2138	inch
705	obtain
3915	line
1822	capable
450	passing
408	hundred
884	times
64	earth
288	illustration
2756	million
519	dealing
12240	infinitely
1242	difficult
9857	apprehend
1434	vast
5026	figures
32764	scientists
5864	confront
2756	million
496	thousand
496	thousand
12333	realise
5343	implies
5191	consider
9801	clock
9790	beating
6202	seconds
878	takes
22624	approximately
668	hours
4163	week
259	days
5544	fourteen
668	hours
15257	tick
2756	million
884	times
23428	billion
2756	million
2756	million
15257	tick
23428	billion
9801	clock
15257	tick
436	years
3304	france
1254	america
496	thousand
2771	millions
661	called
23428	billion
288	illustration
74305	brownian
448	movement
7664	diagram
4580	constructed
5274	actual
474	observations
2301	showing
6616	erratic
4065	paths
1477	pursued
627	fine
5287	particles
729	suspended
1707	liquid
34817	bombarded
936	molecules
1707	liquid
448	movement
661	called
74305	brownian
448	movement
4452	furnishes
1889	striking
288	illustration
462	truth
6055	theory
936	molecules
739	body
1032	state
4080	continual
999	motion
7939	energy
8164	atoms
526	beginning
63	wonders
1264	ordinary
428	matter
1812	apart
60544	radium
9627	revelations
1070	come
4131	presently
430	people
1404	heard
45370	atomic
7939	energy
6094	extraordinary
530	things
1358	accomplished
9061	harness
7939	energy
1697	turn
2019	human
7	use
3958	deeper
327	wonderful
3597	source
7939	energy
2396	discovered
100	twenty
436	years
12333	realise
8164	atoms
15918	stupendous
7939	energy
8164	atoms
428	matter
49427	vibrating
75002	gyrating
6094	extraordinary
12111	vigour
820	piece
634	cold
862	iron
1067	hold
418	hand
1664	bit
7719	brick
2824	pick
17426	penny
953	take
10831	pocket
15561	colossal
24408	reservoir
7939	energy
608	consists
74330	trillions
2524	moving
8164	atoms
12333	realise
5891	total
7939	energy
954	course
10872	witness
7728	transformation
8164	atoms
62402	radio
735	active
808	elements
548	say
4131	presently
640	put
698	grain
4588	indigo
3152	glass
635	water
698	grain
18600	musk
1323	perfectly
1137	room
12333	realise
936	molecules
5463	travel
7062	similarly
714	fact
21668	gases
2432	spread
3055	fill
3805	empty
423	available
1057	space
2201	shows
20875	definitely
757	consist
5287	particles
4271	travelling
790	great
1505	speed
70083	physicist
520	brings
11960	refined
5678	methods
1969	bear
530	things
2052	measures
7939	energy
1633	velocity
12240	infinitely
673	minute
936	molecules
3091	tells
936	molecules
811	oxygen
985	temperature
12054	melting
3897	ice
5463	travel
2243	rate
3314	yards
5337	quarter
4634	mile
936	molecules
810	hydrogen
5463	travel
884	times
1505	speed
884	times
1505	speed
36286	bullet
586	leaves
35445	rifle
41039	molecule
821	air
1193	seems
3901	house
3593	summer
967	day
4271	travelling
1105	faster
35445	rifle
36286	bullet
526	beginning
5471	journey
75003	collides
41039	molecule
100	twenty
47428	thousandth
2138	inch
5471	journey
2295	turned
954	course
884	times
20447	collisions
1636	stop
936	molecules
810	hydrogen
923	gas
68651	utilise
7939	energy
68651	utilise
7939	energy
8152	steam
7939	energy
635	water
16603	niagara
540	find
75001	gramme
923	gas
23807	thousandths
14002	pound
1982	raise
79	third
16280	ton
1347	height
409	forty
1345	inches
2675	comparison
1505	speed
35445	rifle
36286	bullet
1297	earlier
1246	generation
430	people
1672	thought
1579	impossible
3119	estimate
954	course
914	easy
640	put
23295	screens
6409	path
36286	bullet
35445	rifle
1405	distance
6503	connect
23683	electrically
7	use
627	fine
607	time
7675	recording
7014	machine
36286	bullet
13544	registers
607	time
878	takes
5463	travel
4137	screen
515	simple
7670	superficial
558	work
2675	comparison
4412	system
4734	exact
673	minute
7788	measurements
70083	physicist
14170	chemist
7	use
429	interesting
918	works
390	mr
194	charles
9326	gibson
695	gives
17163	photograph
2153	exactly
2332	equal
777	pieces
2270	paper
583	opposite
5418	pans
627	fine
1492	balance
2168	single
2472	word
5528	written
14166	pencil
8498	papers
9107	scraping
4066	lead
2739	bring
1028	scale
74207	spectroscope
5497	detect
702	quantity
428	matter
2756	million
884	times
1353	smaller
75004	electroscope
2756	million
884	times
3529	sensitive
74207	spectroscope
3441	heat
1784	measuring
3869	instrument
75005	bolometer
1961	makes
37219	thermometer
1125	seem
75006	victorian
5394	records
16532	millionth
2069	degree
985	temperature
11963	instruments
5882	multiplied
4543	score
3127	enable
627	fine
558	work
5396	recorded
5925	pages
288	illustration
7156	reproduced
5484	forces
439	nature
386	messrs
17158	macmillan
1730	soap
1048	bubble
2948	iridescent
3038	colours
417	seen
1730	soap
1048	bubble
288	illustration
417	seen
627	fine
7202	sections
1011	crystals
3152	glass
8021	blown
2232	extremely
627	fine
23292	bulbs
742	wings
7925	dragon
738	flies
935	surface
21475	oily
635	water
3038	colours
6144	correspond
5989	thicknesses
935	surface
839	part
3104	light
12805	strikes
2607	thin
22006	coatings
10100	reflected
1040	upper
935	surface
839	part
3104	light
28117	penetrates
1166	transparent
8680	coating
10100	reflected
1879	lower
935	surface
20322	mixture
10100	reflected
6504	rays
18711	interference
661	called
2865	produces
3038	colours
2202	observed
410	black
3651	spots
1730	soap
1048	bubble
1184	places
1565	where
49528	soapy
8641	film
4968	thinnest
410	black
3651	spots
4056	thickness
1048	bubble
16532	millionth
839	part
2138	inch
1048	bubble
2607	thin
1628	completely
5816	invisible
32139	sec
6689	discovery
6504	rays
60544	radium
6689	discovery
322	sir
17801	wm
74304	crookes
63	wonders
1192	atom
34085	prelude
2970	romantic
1831	reaching
4672	discoveries
33743	physics
63	wonders
74202	electron
15502	phase
8250	exploration
424	material
5097	universe
2586	opened
6689	discovery
60544	radium
6689	discovery
62402	radio
735	active
808	elements
6152	property
428	matter
2396	discovered
1189	followed
6689	discovery
60544	radium
6504	rays
486	see
322	sir
136	ernest
51017	rutherford
1611	greatest
6811	authorities
4461	recently
867	said
33743	physics
1923	dissipated
3896	doubt
522	reality
8164	atoms
936	molecules
898	closer
899	examination
428	matter
1172	able
473	make
2201	shows
7655	positively
768	composed
8164	atoms
953	take
2472	word
493	original
7919	greek
3778	meaning
13487	indivisible
481	thing
8164	atoms
13487	indivisible
1673	broken
768	composed
1353	smaller
5287	particles
6689	discovery
1192	atom
768	composed
1353	smaller
5287	particles
12857	welcome
11701	realisation
5382	dream
10219	haunted
457	imagination
9228	nineteenth
7506	century
11692	chemists
867	said
3798	eighty
2013	kinds
8164	atoms
2013	kinds
428	matter
4807	satisfied
40192	multiplicity
392	science
4320	aiming
582	simplicity
25249	unity
392	science
976	taken
1556	step
2073	direction
13181	explaining
998	fundamental
25249	unity
428	matter
14170	chemist
2630	unable
755	break
808	elements
2843	simpler
661	called
8164	atoms
13487	indivisible
2096	sense
303	man
392	science
6814	expressed
1206	hope
4123	discover
998	fundamental
428	matter
6	various
8164	atoms
768	composed
67089	primordial
658	substance
6422	varying
2162	forms
428	matter
5919	evolved
500	built
42245	prout
1263	suggested
526	beginning
7506	century
8164	atoms
41403	rediscovered
41651	dalton
1194	father
26591	secchi
253	famous
26066	jesuit
220	astronomer
867	said
8164	atoms
5919	evolved
21651	ether
9629	favoured
18601	speculation
322	sir
88	william
74304	crookes
11569	talked
75007	prothyl
998	fundamental
658	substance
1025	others
1672	thought
810	hydrogen
13251	stuff
8164	atoms
768	composed
558	work
4184	finally
18216	resulted
6689	discovery
60544	radium
4489	began
541	beautiful
5700	experiments
200	professor
322	sir
88	william
74304	crookes
24931	eighties
4180	noticed
305	strange
39969	colouring
4377	caused
15267	electric
2944	charge
4834	sent
17812	vacuum
3220	tube
4055	walls
3152	glass
3220	tube
4489	began
7908	glow
21234	greenish
39090	phosphorescence
17812	vacuum
3220	tube
813	nearly
821	air
11752	pumped
1628	completely
3805	empty
3220	tube
74304	crookes
3364	ingenious
5678	methods
2839	reduced
923	gas
5842	tubes
100	twenty
2756	million
884	times
21314	thinner
920	atmosphere
4834	sent
15267	electric
6979	discharge
3274	got
841	remarkable
5065	results
6718	negative
4949	pole
15267	electric
236	current
75008	cathode
1887	gave
6504	rays
11103	faintly
8457	lit
936	molecules
2607	thin
923	gas
3220	tube
4377	caused
1116	pretty
75009	fluorescence
3152	glass
4055	walls
3220	tube
6504	rays
74304	crookes
1672	thought
32970	corresponded
5956	fourth
1032	state
428	matter
10150	hitherto
2456	familiar
428	matter
539	conditions
764	solid
1707	liquid
21550	gaseous
74304	crookes
790	great
4481	secret
1740	eyes
100	twenty
436	years
6618	elapsed
439	nature
6504	rays
4184	finally
3421	independently
2237	established
6	various
5700	experiments
5700	experiments
2412	proved
6504	rays
7682	consisted
2914	stream
75010	negatively
5165	charged
5287	particles
4271	travelling
2584	enormous
74336	velocities
1421	miles
903	addition
670	found
119	mass
12881	particle
2423	exceedingly
119	mass
810	hydrogen
1192	atom
13012	lightest
1192	atom
664	known
392	science
5287	particles
74306	electrons
661	called
22458	liberated
1192	atom
8164	atoms
428	matter
2039	breaking
74304	crookes
5842	tubes
607	time
15308	premature
1260	think
481	thing
74304	crookes
7563	preferred
548	say
5287	particles
923	gas
15562	electrified
8173	hurled
4055	walls
3220	tube
867	said
1264	ordinary
428	matter
1032	state
10619	radiant
428	matter
2971	distinguished
303	man
392	science
75011	lenard
670	found
979	fitted
8582	plate
27875	aluminum
3152	glass
3788	wall
3220	tube
1008	mysterious
6504	rays
2076	passed
1671	window
5052	waves
21651	ether
867	said
288	illustration
3426	scientific
6675	ideas
967	day
6726	detecting
702	quantity
428	matter
418	hand
17163	photograph
777	pieces
2270	paper
2153	exactly
1492	balance
1492	balance
3529	sensitive
2168	single
2472	word
8164	atoms
5528	written
4066	lead
14166	pencil
8498	papers
1313	additional
1973	weight
3948	sufficient
45462	depress
5418	pans
807	shown
17163	photograph
74207	spectroscope
5497	detect
16532	millionth
428	matter
697	contained
2472	word
39838	pencilled
288	illustration
7156	reproduced
389	permission
6504	rays
23210	ltd
8360	ray
17163	photograph
418	hand
6752	soldier
1919	wounded
790	great
4768	war
382	note
777	pieces
36632	shrapnel
9943	revealed
288	illustration
35411	photo
6556	national
6151	physical
17367	laboratory
8360	ray
17163	photograph
47919	golf
2402	ball
4477	revealing
8027	imperfect
14826	core
288	illustration
7156	reproduced
389	permission
6504	rays
23210	ltd
327	wonderful
8360	ray
17163	photograph
382	note
627	fine
6559	details
9943	revealed
6106	metal
60213	tags
75012	bootlace
10570	nails
1349	heel
4538	boot
32139	sec
6689	discovery
6504	rays
246	story
4670	went
2658	year
2658	year
486	see
1087	moment
441	led
3048	meanwhile
790	great
1556	step
75013	roentgen
2396	discovered
6504	rays
664	known
558	work
75011	lenard
967	day
740	covered
74304	crookes
3220	tube
410	black
13251	stuff
8460	astonishment
2453	prepared
806	chemical
4137	screen
3220	tube
4489	began
7908	glow
6504	rays
3410	gone
410	black
13251	stuff
1012	further
4530	experiment
670	found
1824	go
4534	stone
779	flesh
2933	sorts
6142	opaque
691	substances
607	time
535	world
3203	astonished
3167	learn
17163	photograph
5697	skeleton
303	man
739	body
15423	locate
17426	penny
904	interior
505	child
7581	swallowed
953	take
7774	impression
11801	coin
7798	slab
4534	stone
6504	rays
838	form
428	matter
424	material
5287	particles
6504	rays
670	found
4463	variety
3104	light
841	remarkable
1627	power
21735	penetration
417	seen
74207	spectroscope
3534	reveals
6422	varying
439	nature
3104	light
8429	wave
13798	lengths
3104	light
5052	waves
36	set
41998	vibrations
21651	ether
486	see
21651	ether
5095	disturbances
958	kind
994	differ
7052	regards
8429	wave
13798	lengths
6504	rays
75013	roentgen
2396	discovered
3104	light
4463	variety
3104	light
4198	previously
1191	unknown
21651	ether
5052	waves
1758	length
6504	rays
2412	proved
790	great
463	value
5367	directions
535	world
965	knows
11962	discuss
223	point
1506	let
486	see
1189	followed
75013	roentgen
6689	discovery
1367	refer
21651	ether
6050	modern
16098	theories
3372	dispense
4596	largely
13360	conception
16098	theories
33743	physics
52001	inextricably
3636	interwoven
485	necessary
833	elementary
22435	exposition
1563	assume
844	existence
6050	modern
4991	view
8494	explained
2893	article
74203	einstein
6055	theory
535	world
9033	wondered
14673	marvels
276	men
392	science
6213	eagerly
6920	clue
1187	mystery
428	matter
15312	exercising
2443	mind
74304	crookes
21349	investigators
75014	becquerel
2657	brought
12546	threshold
790	great
6689	discovery
691	substances
8004	phosphorescent
644	become
13271	luminous
4079	exposed
8316	sunlight
607	time
75014	becquerel
3150	trying
540	find
691	substances
13	give
949	rise
6504	rays
967	day
7575	chose
896	salt
6106	metal
74392	uranium
2892	going
486	see
16092	exposing
8316	sunlight
17163	photograph
6474	cross
6142	opaque
658	substance
7381	wrapped
1185	laid
10247	aside
2679	wait
1921	sun
670	found
74392	uranium
896	salt
2679	wait
1921	sun
2341	strong
56350	radiation
4670	went
6142	opaque
1936	covering
413	made
7774	impression
6474	cross
8582	plate
3104	light
3562	darkness
39991	immaterial
1008	mysterious
6504	rays
38188	streamed
1864	night
967	day
896	salt
658	substance
886	appeared
5922	producing
6504	rays
6504	rays
47934	emitted
74392	uranium
7504	penetrate
6142	opaque
691	substances
6504	rays
2396	discovered
75013	roentgen
6689	discovery
60544	radium
607	time
21349	investigators
200	professor
75015	curie
10718	polish
3053	wife
1754	took
3019	search
2161	decided
540	find
67470	emission
2576	came
74392	uranium
856	associated
1091	purpose
413	made
806	chemical
694	analysis
790	great
859	quantities
37913	minerals
670	found
958	kind
75016	pitchblende
735	active
29054	analysed
22994	tons
35428	concentrating
10619	radiant
452	element
607	time
6363	successively
4103	worked
8682	non
10619	radiant
428	matter
13251	stuff
4489	began
7908	glow
612	end
13225	extracted
2770	eight
22994	tons
75016	pitchblende
1328	half
15630	teaspoonful
2756	million
884	times
10619	radiant
74392	uranium
2109	name
60544	radium
1980	starting
223	point
955	development
33743	physics
17134	chemistry
17367	laboratory
535	world
2576	came
1407	cry
60544	radium
784	salts
719	pure
60544	radium
3323	precious
2791	hundreds
3024	brilliant
5193	workers
1078	fastened
452	element
6608	inquiry
32399	broadened
2658	year
1189	followed
2658	year
658	substance
670	found
1302	possess
1627	power
6507	emitting
6504	rays
62402	radio
735	active
420	know
967	day
813	nearly
838	form
428	matter
22131	stimulated
62402	radio
1545	activity
486	see
553	means
8164	atoms
755	break
1353	smaller
6376	wonderfully
1594	energetic
5287	particles
1113	call
74306	electrons
6689	discovery
74306	electrons
2657	brought
4774	complete
889	change
6675	ideas
5367	directions
2785	instead
8164	atoms
13487	indivisible
2765	actually
10646	dividing
26088	spontaneously
1638	giving
5097	universe
1147	tiny
4224	fragments
658	substance
2177	explain
4131	presently
2396	discovered
74202	electron
3048	meanwhile
548	say
2946	glowing
6106	metal
2596	pouring
2914	stream
74306	electrons
33819	arc
4841	lamp
10934	discharging
39363	clap
8840	thunder
553	means
4934	shower
8855	star
15471	flooding
1057	space
6247	witnessing
3519	spontaneous
2039	breaking
8164	atoms
8164	atoms
1672	thought
13487	indivisible
1921	sun
1186	pours
3186	streams
74306	electrons
8164	atoms
45190	ultra
8430	violet
3104	light
7590	sends
64	earth
1439	powerful
24479	agencies
10605	releasing
74306	electrons
935	surface
8164	atoms
428	matter
64	earth
11497	fortunate
920	atmosphere
24309	absorbs
45190	ultra
8430	violet
5816	invisible
3104	light
1921	sun
958	kind
3104	light
8494	explained
4131	presently
1263	suggested
5397	received
498	full
1133	flood
1921	sun
11694	metals
32917	disintegrate
5076	influence
6136	steel
58249	civilisation
1579	impossible
13344	anticipating
2892	going
60544	radium
327	wonderful
4672	discoveries
413	made
11692	chemists
74395	physicists
535	world
10607	concentrated
558	work
200	professor
20520	mme
75015	curie
449	merely
544	final
6920	clue
6207	guide
790	great
3019	search
1189	followed
4136	penetrated
2404	heart
673	minute
1192	atom
2396	discovered
15285	portentous
28960	mines
7939	energy
1172	able
5860	understand
428	matter
17489	electricity
3104	light
282	told
2851	chapter
6689	discovery
74202	electron
1531	effected
1629	revolution
6675	ideas
6689	discovery
60544	radium
6840	implied
945	gradually
10071	realised
60544	radium
40161	captivated
457	imagination
535	world
17050	boon
14232	medicine
303	man
392	science
7169	puzzling
432	attractive
13228	phenomenon
2452	felt
790	great
4481	secret
439	nature
9950	dimly
24879	unveiled
327	wonderful
7002	manifestations
10607	concentrated
7542	gifted
739	body
276	men
2922	conspicuous
322	sir
17917	thomson
322	sir
136	ernest
51017	rutherford
322	sir
45404	ramsay
200	professor
74315	soddy
1829	age
11480	boast
3560	apparatus
9377	research
1829	age
75017	aquitania
18499	roman
10452	galley
436	years
4481	secret
8733	fairly
33644	mastered
2013	kinds
428	matter
2839	reduced
733	common
482	basis
5484	forces
5097	universe
2657	brought
25249	unity
6343	understood
6343	understood
288	illustration
15267	electric
6979	discharge
17812	vacuum
3220	tube
610	ends
437	marked
3220	tube
813	nearly
821	air
12917	exhausted
3553	connected
15267	electric
27837	terminals
659	thus
5922	producing
15267	electric
6979	discharge
17812	vacuum
3220	tube
6979	discharge
266	travels
1852	straight
3220	tube
1040	upper
7664	diagram
21546	magnetic
164	field
933	applied
6504	rays
27795	deflected
807	shown
1879	lower
7664	diagram
2460	similarity
26937	behaviour
15267	electric
6979	discharge
60544	radium
6504	rays
486	see
7664	diagram
41514	deflection
60544	radium
6504	rays
166	post
2201	shows
445	phenomena
13242	identified
553	means
7182	characteristics
74306	electrons
2396	discovered
288	illustration
730	relative
3840	sizes
8164	atoms
74306	electrons
1192	atom
417	seen
1048	bubble
810	hydrogen
923	gas
712	larger
8111	letter
23429	billions
8164	atoms
74202	electron
496	thousand
884	times
1353	smaller
1962	smallest
1192	atom
885	size
7656	ascertained
2395	described
412	text
7664	diagram
1048	bubble
923	gas
16334	magnified
885	size
535	world
4780	adopting
1028	scale
1192	atom
1048	bubble
20537	tennis
2402	ball
288	illustration
1192	atom
16334	magnified
885	size
6536	st
43	paul
14189	cathedral
74202	electron
1192	atom
595	represented
14189	cathedral
885	size
36286	bullet
288	illustration
74306	electrons
9214	streaming
1921	sun
64	earth
2341	strong
8492	reasons
1921	sun
3651	spots
2549	huge
9368	electronic
75018	cyclones
1921	sun
454	constantly
2596	pouring
1434	vast
3186	streams
74306	electrons
1057	space
3186	streams
2609	encounter
64	earth
1638	giving
949	rise
6	various
25790	electrical
445	phenomena
32139	sec
6689	discovery
74202	electron
74395	physicists
953	take
4123	discover
56350	radiation
60544	radium
56350	radiation
74304	crookes
3220	tube
2593	quickly
9698	recognised
932	moreover
3220	tube
60544	radium
11694	metals
8164	atoms
428	matter
13224	somehow
2039	breaking
1556	step
11210	recognise
2115	distinct
6504	rays
1510	given
11694	metals
60544	radium
74392	uranium
322	sir
136	ernest
51017	rutherford
26939	christened
9216	letters
7919	greek
35568	alphabet
41032	alpha
41033	beta
75019	gamma
6504	rays
6076	concerned
767	chiefly
2846	group
1091	purpose
434	deal
2846	group
41032	alpha
6504	rays
4131	presently
9698	recognised
8164	atoms
74349	helium
923	gas
1164	shot
2243	rate
1421	miles
75019	gamma
6504	rays
5052	waves
6504	rays
424	material
5287	particles
860	appear
2713	type
6504	rays
1302	possess
841	remarkable
1627	power
1397	penetrating
6142	opaque
691	substances
587	pass
1482	foot
764	solid
862	iron
699	example
41033	beta
6504	rays
661	called
2412	proved
429	interesting
4672	discoveries
392	science
413	made
2412	proved
74304	crookes
37040	surmised
54812	radiations
2396	discovered
17812	vacuum
3220	tube
5956	fourth
1032	state
428	matter
670	found
6152	property
428	matter
6152	property
733	common
8164	atoms
428	matter
41033	beta
6504	rays
26939	christened
74306	electrons
5287	particles
51964	disembodied
17489	electricity
26088	spontaneously
22458	liberated
8164	atoms
428	matter
74202	electron
3905	isolated
1192	atom
9698	recognised
607	time
929	separate
7042	entity
74306	electrons
834	therefore
21765	constituent
8164	atoms
428	matter
2396	discovered
10612	released
1192	atom
4463	variety
24479	agencies
74306	electrons
670	found
5525	everywhere
763	forming
839	part
1192	atom
74202	electron
322	sir
88	william
47311	bragg
516	says
1837	maintain
929	separate
844	existence
4271	travelling
2032	immense
2243	rate
23714	hundredth
1633	velocity
3104	light
5675	upwards
548	say
1421	miles
3437	thereabouts
74202	electron
2008	sticks
1192	atom
2521	meets
1544	amazing
5287	particles
5463	travel
2584	enormous
1633	velocity
1421	miles
6961	learned
25790	electrical
439	nature
1894	bent
21725	normal
6409	path
48751	magnet
2657	brought
714	fact
441	led
1012	further
6689	discovery
25666	sensational
5546	estimates
915	general
4583	apt
5363	believe
6671	founded
6039	abstruse
23743	speculations
70083	physicist
36	set
806	chemical
4137	screen
41033	beta
6504	rays
3368	hit
3680	arranged
3220	tube
1005	narrow
57579	sheaf
6504	rays
646	poured
4137	screen
5611	drew
57579	sheaf
6504	rays
954	course
48751	magnet
6645	accurately
2136	measured
3411	shift
13271	luminous
1857	spot
4137	screen
1565	where
6504	rays
75020	impinged
965	knows
4734	exact
7985	intensity
21546	magnetic
164	field
10178	control
16488	likes
2719	amount
40143	deviation
6065	causes
119	mass
2524	moving
5287	particles
490	tell
1505	speed
2524	moving
5287	particles
659	thus
55177	diverts
5287	particles
8173	hurled
8164	atoms
60544	radium
6718	negative
4949	pole
17812	vacuum
3220	tube
1505	speed
1205	good
539	conditions
4620	reached
813	nearly
1633	velocity
3104	light
813	nearly
1421	miles
1505	speed
954	course
2439	confirmed
1159	numbers
5700	experiments
951	series
5700	experiments
3358	enabled
74395	physicists
4283	determine
885	size
5287	particles
2395	described
13	give
5352	reader
1581	idea
276	men
392	science
7319	arrived
1623	startling
5065	results
14731	fog
430	people
420	know
1904	thick
790	great
5311	cities
635	water
10076	vapour
2299	gathers
5287	particles
7105	dust
4521	smoke
920	atmosphere
714	fact
482	basis
541	beautiful
5700	experiments
4942	artificial
12165	fogs
2826	created
3152	glass
5842	tubes
19024	introducing
7105	dust
6	various
814	proportions
75021	supersaturated
10076	vapour
5268	gather
612	end
3893	cause
1147	tiny
4557	drops
2106	rain
12881	particle
7105	dust
14826	core
776	fall
3027	silver
5594	mirror
4636	counted
693	method
11454	counting
5816	invisible
5287	particles
7105	dust
3220	tube
693	method
8986	successfully
933	applied
6504	rays
693	method
1304	direct
1947	slender
2914	stream
5287	particles
806	chemical
4137	screen
4137	screen
8170	glowed
57508	cannonade
5287	particles
1439	powerful
7703	lens
11015	resolved
7908	glow
2115	distinct
226	sparks
4636	counted
951	series
841	remarkable
541	beautiful
5700	experiments
2757	checked
790	great
27894	laboratories
535	world
4941	settled
439	nature
661	called
6504	rays
3186	streams
5287	particles
496	thousand
884	times
1353	smaller
1962	smallest
664	known
1192	atom
119	mass
12881	particle
1123	according
13349	latest
3824	finest
7788	measurements
1192	atom
810	hydrogen
70083	physicist
1172	able
540	find
35	character
17489	electricity
2109	name
74306	electrons
1538	generally
3424	adopted
5527	key
2901	mysteries
74202	electron
1192	atom
51964	disembodied
17489	electricity
8659	occupies
2423	exceedingly
24	volume
119	mass
781	entirely
25790	electrical
74306	electrons
5527	key
1328	half
2901	mysteries
428	matter
74306	electrons
3790	rapid
999	motion
486	see
2177	explain
2725	mean
15267	electric
236	current
5703	regarded
1008	mysterious
7002	manifestations
439	nature
296	wonder
516	says
200	professor
19672	duncan
11157	innocent
3035	looking
3756	pinch
896	salt
1393	possessed
7047	properties
10231	utterly
4524	fanciful
9889	imaginings
276	men
607	time
2644	nowhere
540	find
5394	records
1672	thought
8362	hint
9485	possibility
530	things
6812	regard
2237	established
714	fact
3756	pinch
896	salt
4052	projects
935	surface
718	bodies
74306	electrons
4095	possessing
14974	inconceivable
1633	velocity
1421	miles
1633	velocity
3948	sufficient
1711	carry
3460	unimpeded
884	times
64	earth
4095	possessing
1633	velocity
2795	masses
496	thousand
884	times
1353	smaller
1962	smallest
1192	atom
664	known
392	science
6034	furthermore
5165	charged
6718	negative
17489	electricity
587	pass
1852	straight
718	bodies
2092	considered
6142	opaque
9638	sublime
11252	indifference
7047	properties
739	body
4318	exception
2116	mere
21566	density
3893	cause
718	bodies
3761	strike
7461	shine
2516	dark
1959	affect
49405	photographic
8582	plate
4322	render
821	air
10528	conductor
17489	electricity
3893	cause
7986	clouds
10040	moist
821	air
3893	cause
806	chemical
469	action
1567	peculiar
7045	physiological
469	action
967	day
39575	predict
13737	ultimate
5228	service
3502	humanity
41033	beta
6504	rays
60544	radium
32139	sec
74202	electron
6055	theory
4991	view
428	matter
679	structure
1192	atom
915	general
7801	agreement
11692	chemists
74395	physicists
37812	mathematicians
1262	conclusions
1510	given
420	know
8164	atoms
428	matter
454	constantly
26088	spontaneously
18758	stimulation
1638	giving
74306	electrons
2039	breaking
74306	electrons
834	therefore
771	contain
74306	electrons
659	thus
4774	complete
4810	proof
1558	independent
844	existence
8164	atoms
74306	electrons
303	man
392	science
3763	tries
490	tell
74306	electrons
13641	compose
8164	atoms
1300	passes
1651	facts
18601	speculation
1242	difficult
18601	speculation
953	take
8111	letter
9378	printed
291	page
1048	bubble
810	hydrogen
923	gas
712	larger
8111	letter
74330	trillions
8164	atoms
1903	packed
41448	circulating
2526	freely
1520	dancers
2402	ball
1137	room
7616	asking
70083	physicist
953	take
673	minute
8164	atoms
490	tell
1353	smaller
74306	electrons
3680	arranged
1683	naturally
473	make
6194	mental
2004	pictures
6157	guesses
37932	hypotheses
3763	tries
1878	fit
1651	facts
1035	discards
1878	fit
813	nearly
100	twenty
436	years
5292	critical
8698	discussion
86	chief
16098	theories
679	structure
1192	atom
322	sir
17917	thomson
1548	imagined
74306	electrons
41448	circulating
488	shells
3823	layers
6295	onion
22467	nucleus
1192	atom
1117	suit
322	sir
51017	rutherford
1025	others
4103	worked
6055	theory
74306	electrons
11433	circulated
22467	nucleus
26178	planets
52932	solar
4412	system
23310	revolving
5634	central
1921	sun
22467	nucleus
74306	electrons
6506	revolve
74202	electron
338	saw
51964	disembodied
1192	atom
17489	electricity
548	say
6718	negative
17489	electricity
1506	let
6953	picture
74306	electrons
2524	moving
2165	orbits
790	great
1633	velocity
1263	suggested
22467	nucleus
5328	positive
17489	electricity
13922	attracting
2060	pulling
23310	revolving
74306	electrons
763	forming
1519	equilibrium
74306	electrons
962	fly
5367	directions
22467	nucleus
4461	recently
7312	named
75022	proton
659	thus
75023	electricities
1192	atom
5328	positive
22467	nucleus
6718	negative
74202	electron
2405	recent
436	years
1355	dr
75024	langmuir
640	put
6055	theory
74306	electrons
6506	revolve
22467	nucleus
656	remain
1032	state
4889	violent
6098	agitation
802	sort
604	fixed
1619	distances
22467	nucleus
288	illustration
200	professor
322	sir
17917	thomson
19309	experimental
16606	discoverer
9368	electronic
1948	constitution
428	matter
74994	cavendish
6151	physical
17367	laboratory
8578	cambridge
790	great
35089	investigator
4294	noted
22147	imaginative
443	range
37932	hypotheses
22934	fertility
19309	experimental
3367	devices
288	illustration
17145	smithsonian
2498	report
74306	electrons
40	produced
1658	passage
6504	rays
821	air
17163	photograph
2751	clearly
2301	showing
74306	electrons
893	definite
75025	entities
74306	electrons
2026	leave
8164	atoms
2624	traverse
428	matter
587	pass
821	air
1852	straight
6409	path
288	illustration
2201	shows
14171	tortuous
6409	path
74306	electrons
6113	resulting
34287	collision
8164	atoms
288	illustration
21546	magnetic
41514	deflection
60544	radium
6504	rays
60544	radium
6504	rays
413	made
3761	strike
4137	screen
5922	producing
3550	visible
3651	spots
3104	light
21546	magnetic
164	field
933	applied
6504	rays
417	seen
27795	deflected
7664	diagram
650	happen
6504	rays
1711	carry
15267	electric
2944	charge
5700	experiments
958	kind
660	obtained
532	knowledge
15267	electric
5414	charges
3238	carried
60544	radium
6504	rays
288	illustration
7156	reproduced
389	permission
3426	scientific
200	professor
74307	millikan
3560	apparatus
11454	counting
74306	electrons
5927	confine
1651	facts
2026	leave
13289	contending
16098	theories
3426	scientific
276	men
1116	pretty
1538	generally
5412	accepted
1192	atom
428	matter
608	consists
2554	number
74306	electrons
5414	charges
6718	negative
17489	electricity
1534	held
2944	charge
5328	positive
17489	electricity
18503	disputed
74306	electrons
1032	state
4889	violent
999	motion
4886	strain
834	therefore
1434	vast
7939	energy
9897	locked
8164	atoms
428	matter
578	return
1733	notice
841	remarkable
6689	discovery
15234	helps
5860	understand
439	nature
428	matter
3024	brilliant
21	young
303	man
392	science
2031	killed
4768	war
390	mr
18138	moseley
436	years
4359	showed
8164	atoms
691	substances
3680	arranged
534	order
1973	weight
3680	arranged
534	order
2767	increasing
7049	complexity
679	structure
548	say
9869	heavier
1192	atom
74306	electrons
616	contains
1642	gradual
467	building
8164	atoms
2273	containing
74306	electrons
13012	lightest
1192	atom
23440	heaviest
548	say
1754	took
452	element
452	element
13012	lightest
810	hydrogen
23440	heaviest
74392	uranium
670	found
8284	strangely
950	regular
313	relation
810	hydrogen
595	represented
8719	figure
74349	helium
75026	lithium
74392	uranium
74392	uranium
8719	figure
2735	ninety
1961	makes
855	probable
439	nature
2735	ninety
808	elements
670	found
3798	eighty
3980	seven
2554	number
390	mr
18138	moseley
670	found
2554	number
74306	electrons
1192	atom
452	element
548	say
2554	number
3680	arranged
534	order
45370	atomic
1159	numbers
6	various
808	elements
32139	sec
4991	view
428	matter
223	point
4620	reached
486	see
4991	view
428	matter
1192	atom
428	matter
958	kind
5097	universe
500	built
74306	electrons
12865	conjunction
22467	nucleus
1962	smallest
1192	atom
1192	atom
810	hydrogen
608	consists
74202	electron
23306	rotating
7655	positively
5165	charged
22467	nucleus
4309	heavy
1000	complicated
1192	atom
1192	atom
8695	gold
6287	constituted
74306	electrons
6319	complex
22467	nucleus
5328	positive
6718	negative
14408	units
17489	electricity
74202	electron
22467	nucleus
5287	particles
17489	electricity
428	matter
834	therefore
34764	manifestation
17489	electricity
8164	atoms
428	matter
338	saw
2192	combine
838	form
936	molecules
8164	atoms
936	molecules
7782	bricks
439	nature
500	built
64	earth
8821	stars
5097	universe
7782	bricks
6441	required
1007	build
3901	house
998	fundamental
52991	existences
6	various
2162	forms
7939	energy
13	give
949	rise
6319	complex
2120	problems
3198	remember
3798	eighty
2115	distinct
808	elements
893	definite
2713	type
1192	atom
434	deal
7939	energy
3048	meanwhile
525	remains
867	said
2396	discovered
790	great
434	deal
74202	electron
1948	constitution
428	matter
74395	physicists
967	day
1125	seem
486	see
9485	possibility
13181	explaining
5328	positive
6718	negative
17489	electricity
439	nature
1191	unknown
3419	exists
6055	theory
5287	particles
5328	positive
6718	negative
17489	electricity
473	make
8164	atoms
428	matter
2438	points
7007	centres
5095	disturbances
958	kind
3463	universal
21651	ether
6	various
2162	forms
7939	energy
998	fundamental
9344	aspects
5600	primary
7042	entity
7351	constitutes
428	matter
6689	discovery
6152	property
62402	radio
1545	activity
1516	raised
429	interesting
6123	questions
12840	dealt
62402	radio
735	active
808	elements
74392	uranium
699	example
452	element
2039	breaking
1113	call
62402	radio
1545	activity
34764	manifestation
3519	spontaneous
889	change
808	elements
900	taking
1216	place
11693	transmutation
452	element
9869	heavier
5915	lighter
452	element
74392	uranium
26088	spontaneously
762	becomes
60544	radium
60544	radium
1300	passes
2554	number
3429	stages
1697	turn
762	becomes
4066	lead
5744	descending
452	element
5915	lighter
45370	atomic
1973	weight
18744	predecessor
2615	changing
648	process
954	course
1818	slow
428	matter
62402	radio
735	active
413	made
22445	raises
577	question
428	matter
5097	universe
3128	undergo
28658	disintegration
1503	side
577	question
6689	discovery
62402	radio
1545	activity
2657	brought
3104	light
1531	effected
1629	revolution
14503	views
417	seen
62402	radio
735	active
691	substances
808	elements
2039	breaking
648	process
467	building
558	work
1000	complicated
8164	atoms
2039	breaking
2843	simpler
2162	forms
14596	converse
648	process
467	building
2843	simpler
808	elements
1000	complicated
808	elements
2331	case
4003	processes
558	work
3798	eighty
3193	odd
806	chemical
808	elements
64	earth
967	day
6087	outcome
8500	inorganic
7048	evolution
452	element
1638	giving
949	rise
452	element
2892	going
1888	primeval
13251	stuff
6818	originally
835	derived
12240	infinitely
7048	evolution
8500	inorganic
535	world
2892	going
5987	parallel
7048	evolution
530	things
21627	organic
7048	evolution
23532	continuation
8500	inorganic
7048	evolution
417	seen
1238	evidence
8500	inorganic
7048	evolution
2331	case
8821	stars
1824	go
3708	deeply
428	matter
607	time
1070	come
1304	direct
6985	statement
1303	based
18847	findings
6050	modern
5211	investigation
900	taking
464	altogether
1238	evidence
8180	steadily
13452	accumulating
6811	authorities
1837	maintain
1238	evidence
8500	inorganic
7048	evolution
18889	convincing
9869	heavier
8164	atoms
860	appear
16500	behave
5919	evolved
5915	lighter
6319	complex
2162	forms
4480	supposed
5919	evolved
2843	simpler
2162	forms
18138	moseley
6689	discovery
4601	reference
413	made
2438	points
6630	conclusion
808	elements
500	built
32139	sec
14503	views
1367	refer
13360	conception
6689	discovery
62402	radio
1545	activity
1510	given
949	rise
3397	lord
74216	kelvin
2088	estimated
1829	age
64	earth
100	twenty
2756	million
436	years
4620	reached
3119	estimate
64	earth
739	body
945	gradually
17494	cooling
5326	losing
2730	primitive
3441	heat
10347	loaf
976	taken
21529	oven
2243	rate
1432	calculated
3441	heat
6622	radiated
1921	sun
384	due
7992	contraction
74392	uranium
62402	radio
1545	activity
664	known
74216	kelvin
6689	discovery
7833	upset
17001	arguments
62402	radio
735	active
691	substances
14203	perpetually
1638	giving
3441	heat
6758	introduce
781	entirely
5093	factor
1563	assume
64	earth
5327	necessarily
17494	cooling
420	know
3360	getting
24328	hotter
6036	meeting
5732	british
12914	association
200	professor
75027	rayleigh
1912	stated
1012	further
532	knowledge
2600	extended
855	probable
2772	period
74	life
17083	globe
496	thousand
2756	million
436	years
5891	total
1829	age
64	earth
41493	multiple
64	earth
8776	considers
17494	cooling
616	contains
3013	internal
3597	source
3441	heat
28658	disintegration
74392	uranium
934	outer
3533	crust
3119	estimate
660	obtained
1125	seem
7801	agreement
6220	geological
5546	estimates
577	question
954	course
1032	state
532	knowledge
4941	settled
604	fixed
1006	limits
2188	meet
915	general
7801	agreement
288	illustration
1422	making
5816	invisible
3550	visible
60544	radium
8494	explained
412	text
2043	emits
6504	rays
41032	alpha
41033	beta
74306	electrons
75019	gamma
6504	rays
288	illustration
12582	indicates
693	method
5816	invisible
6504	rays
413	made
3550	visible
2175	enables
439	nature
6504	rays
15180	investigated
7664	diagram
3869	instrument
75028	spinthariscope
1422	making
41987	impact
60544	radium
6504	rays
3550	visible
4137	screen
60544	radium
6504	rays
4269	shoot
5367	directions
776	fall
4137	screen
473	make
7908	glow
2438	points
3104	light
2438	points
3104	light
2202	observed
49371	magnifying
7703	lens
49371	magnifying
7703	lens
22002	zinc
24856	sulphite
4137	screen
7990	needle
223	point
750	placed
12681	speck
60544	radium
1879	lower
6953	picture
2201	shows
4137	screen
7990	needle
16334	magnified
288	illustration
6055	theory
74306	electrons
1192	atom
428	matter
768	composed
74306	electrons
6953	picture
1192	atom
802	sort
20690	miniature
52932	solar
4412	system
74306	electrons
5287	particles
6718	negative
17489	electricity
23306	rotating
5634	central
22467	nucleus
5328	positive
17489	electricity
2395	described
412	text
27495	pictorial
20856	representation
1192	atom
8804	whirling
74306	electrons
7735	indicated
934	outer
1424	ring
74306	electrons
504	move
16114	incredible
1505	speed
587	pass
1192	atom
288	illustration
3452	arrangements
8164	atoms
8071	diamond
2940	model
417	seen
2438	points
4991	view
2496	arrangement
8164	atoms
8071	diamond
2496	arrangement
670	found
2449	studying
8360	ray
74209	spectra
8071	diamond
867	said
998	fundamental
52991	existences
13	give
949	rise
6319	complex
2120	problems
790	great
998	fundamental
75025	entities
6151	physical
5097	universe
428	matter
21651	ether
7939	energy
420	know
12840	dealt
428	matter
656	remain
21651	ether
7939	energy
486	see
12881	particle
428	matter
2826	created
2797	destroyed
481	thing
3805	empty
1057	space
21651	ether
26106	pervades
481	thing
1994	rest
12881	particle
478	goes
473	make
764	solid
64	earth
1032	state
19058	perpetual
24455	unremitting
42009	vibration
7939	energy
3463	universal
24468	commodity
74	life
5261	depends
929	separate
2115	distinct
998	fundamental
75025	entities
428	matter
21651	ether
7939	energy
860	appear
1008	mysterious
5921	phases
852	essential
75029	oneness
5097	universe
32139	sec
2984	future
1506	let
14524	concluding
2851	chapter
13	give
288	illustration
532	knowledge
2182	prove
7259	valuable
2766	practically
327	wonderful
72638	intellectually
338	saw
74306	electrons
1164	shot
8164	atoms
1505	speed
1469	approach
1421	miles
322	sir
19698	oliver
11878	lodge
5528	written
4461	recently
75030	seventieth
698	grain
60544	radium
8942	discharges
1505	speed
496	thousand
884	times
35445	rifle
36286	bullet
2358	thirty
2756	million
74306	electrons
200	professor
9290	le
18430	bon
1432	calculated
953	take
7829	barrels
628	powder
13	give
36286	bullet
1505	speed
74306	electrons
2201	shows
1962	smallest
7154	french
17675	copper
11801	coin
1353	smaller
10354	farthing
616	contains
7939	energy
2332	equal
3798	eighty
2756	million
75031	horsepower
2664	pounds
428	matter
771	contain
7939	energy
12861	extract
2771	millions
22994	tons
7651	coal
8164	atoms
810	hydrogen
985	temperature
887	produce
15267	electric
11383	furnace
74306	electrons
3814	spin
2243	rate
813	nearly
408	hundred
68888	trillion
26099	revolutions
303	man
5551	asks
392	science
21972	tap
7939	energy
4521	smoke
41667	mining
21511	transit
1442	bulky
7122	fuel
7939	energy
1192	atom
954	course
22458	liberated
1192	atom
1300	passes
1032	state
4032	stored
7939	energy
6183	fortunately
1501	fast
1165	bound
74306	electrons
1534	held
2395	described
64	earth
56260	explode
644	become
21550	gaseous
56352	nebula
7717	believed
967	day
1172	able
31	release
9061	harness
68651	utilise
45370	atomic
7939	energy
6702	opinion
516	says
322	sir
88	william
47311	bragg
1192	atom
7939	energy
1003	supply
2984	future
496	thousand
436	years
587	pass
9061	harness
1192	atom
9736	morrow
486	see
9752	reins
643	hands
2939	peculiarity
33743	physics
9377	research
4983	accidental
6689	discovery
1824	go
418	hand
418	hand
1328	half
7719	brick
616	contains
7939	energy
7651	coal
164	field
1276	difficulties
10484	tremendous
322	sir
19698	oliver
11878	lodge
21237	reminds
39919	scepticism
607	time
66251	utilisation
8152	steam
17489	electricity
4480	supposed
5551	asks
568	fresh
10776	invention
4672	discoveries
413	made
303	man
392	science
3701	encourages
1206	hope
841	remarkable
523	words
5528	written
200	professor
74315	soddy
2041	highest
6811	authorities
62402	radio
735	active
428	matter
86	chief
3426	scientific
13732	weekly
439	nature
3826	november
12202	prospects
1660	successful
21716	accomplishment
4942	artificial
11693	transmutation
24316	brighten
4542	daily
18507	ancients
1125	seem
51769	inkling
21716	accomplishment
11693	transmutation
12434	confer
276	men
508	powers
10150	hitherto
33445	prerogative
17942	gods
420	know
20875	definitely
424	material
2534	aspect
11693	transmutation
795	importance
2675	comparison
10178	control
33869	inexhaustible
6681	stores
3013	internal
45370	atomic
7939	energy
1660	successful
21716	accomplishment
6009	inevitably
4066	lead
644	become
3379	problem
2543	longer
26210	redolent
5077	evil
12764	associations
1829	age
35086	alchemy
3159	big
6704	promise
5446	veritable
6151	physical
31957	renaissance
535	world
6704	promise
10071	realised
21191	economic
4311	social
401	face
535	world
5886	transformed
450	passing
5118	consideration
21651	ether
3104	light
7939	energy
1506	let
486	see
3104	light
6689	discovery
74202	electron
2694	thrown
439	nature
21634	manipulation
17489	electricity
17489	electricity
439	nature
17489	electricity
34764	manifestation
439	nature
1927	late
100	twenty
436	years
2098	seemed
1008	mysterious
7002	manifestations
790	great
4979	measure
8494	explained
4672	discoveries
526	beginning
7506	century
1759	spoke
1829	age
17489	electricity
530	things
439	nature
4177	knew
15267	electric
236	current
4711	rang
11734	bells
6535	drove
20076	trains
8457	lit
6007	rooms
4177	knew
236	current
11709	vague
1581	idea
802	sort
672	fluid
10937	flowed
17675	copper
27833	wires
635	water
1104	flows
3245	pipe
2309	suppose
3790	rapid
448	movement
74306	electrons
1192	atom
1192	atom
5452	wire
3168	wherever
236	current
1506	let
6596	try
2602	grasp
1151	principle
4991	view
17489	electricity
486	see
8612	applies
2137	varied
25790	electrical
445	phenomena
535	world
338	saw
22467	nucleus
1192	atom
428	matter
608	consists
5328	positive
17489	electricity
1853	holds
2554	number
74306	electrons
5414	charges
6718	negative
17489	electricity
1438	certainly
3091	tells
1341	extent
17489	electricity
592	related
428	matter
586	leaves
1461	usual
2125	difficulty
998	fundamental
472	realities
420	know
17489	electricity
428	matter
45370	atomic
679	structure
2944	charge
17489	electricity
413	made
2554	number
14408	units
5414	charges
893	definite
3137	constant
2719	amount
1263	suggested
2013	kinds
17489	electricity
5328	positive
6718	negative
4812	handed
4812	handed
75032	vortices
57860	whirlpools
21651	ether
3730	rings
21651	ether
576	serious
1276	difficulties
2026	leave
2984	future
523	words
5328	positive
6718	negative
17489	electricity
2937	belong
259	days
5703	regarded
672	fluid
739	body
39718	overcharged
672	fluid
661	called
5328	positive
75033	undercharged
739	body
661	called
6718	negative
7655	positively
15562	electrified
739	body
8164	atoms
465	lost
7286	outlying
74306	electrons
5328	positive
2944	charge
17489	electricity
23348	predominates
75010	negatively
15562	electrified
739	body
21725	normal
2554	number
74306	electrons
32139	sec
15267	electric
236	current
6689	discovery
2013	kinds
17489	electricity
3358	enabled
5860	understand
8733	fairly
478	goes
25790	electrical
445	phenomena
7286	outlying
74306	electrons
338	saw
587	pass
1192	atom
1192	atom
1028	scale
3778	meaning
15267	electric
236	current
523	words
5363	believe
15267	electric
236	current
756	flow
74306	electrons
1506	let
953	take
1149	begin
515	simple
25790	electrical
3407	cell
7246	feeble
236	current
7708	generated
3407	cell
3901	house
5879	serve
15267	electric
11734	bells
493	original
838	form
515	simple
802	sort
16285	battery
7682	consisted
8582	plate
22002	zinc
8582	plate
17675	copper
7838	immersed
806	chemical
664	known
74306	electrons
664	known
640	put
22002	zinc
17675	copper
887	produce
3700	mild
236	current
17489	electricity
420	know
553	means
22002	zinc
6106	metal
8164	atoms
1944	particularly
3831	disposed
839	part
7286	outlying
74306	electrons
876	why
420	know
714	fact
482	basis
34665	batteries
74306	electrons
8164	atoms
22002	zinc
587	pass
8164	atoms
17675	copper
1658	passage
236	current
1192	atom
695	gives
74202	electron
9900	neighbour
1012	further
670	found
22002	zinc
17675	copper
7838	immersed
35087	chemicals
1833	slowly
21966	dissolve
22002	zinc
11694	metals
3553	connected
17675	copper
5452	wire
236	current
3806	stronger
6050	modern
34	language
75034	brisker
756	flow
74306	electrons
1765	reason
8164	atoms
22002	zinc
14224	stolen
806	chemical
2026	leave
43803	detachable
74306	electrons
22002	zinc
834	therefore
74306	electrons
587	pass
17675	copper
288	illustration
28658	disintegration
8164	atoms
1192	atom
74392	uranium
8001	ejecting
41032	alpha
12881	particle
762	becomes
74392	uranium
658	substance
8001	ejecting
41033	beta
75019	gamma
6504	rays
762	becomes
60544	radium
60544	radium
1300	passes
2554	number
1012	further
952	changes
807	shown
7664	diagram
4184	finally
762	becomes
4066	lead
62402	radio
735	active
691	substances
32917	disintegrate
1105	faster
1025	others
659	thus
74392	uranium
952	changes
1833	slowly
900	taking
436	years
4599	reach
2798	stage
28658	disintegration
60544	radium
3527	reaches
4238	minutes
28658	disintegration
4235	proceeds
691	substances
644	become
5915	lighter
5915	lighter
45370	atomic
23766	weights
659	thus
74392	uranium
45370	atomic
1973	weight
4066	lead
45370	atomic
1973	weight
2039	breaking
8164	atoms
2536	fully
8494	explained
412	text
288	illustration
7156	reproduced
389	permission
6629	interpretation
60544	radium
128	john
17980	murray
3637	silk
5781	tassel
15562	electrified
929	separate
3011	threads
5781	tassel
15562	electrified
958	kind
17489	electricity
34964	repel
659	thus
5781	tassel
1543	branches
17163	photograph
288	illustration
3637	silk
5781	tassel
13715	discharged
6504	rays
60544	radium
60544	radium
6504	rays
2565	carrying
583	opposite
15267	electric
2944	charge
5781	tassel
12805	strikes
3011	threads
3011	threads
51259	neutralised
2289	hence
776	fall
288	illustration
2549	huge
15267	electric
14262	spark
5274	actual
17163	photograph
15267	electric
14262	spark
2318	leaping
1405	distance
1346	feet
6979	discharge
2756	million
27841	volts
1573	graphic
288	illustration
10484	tremendous
7939	energy
74306	electrons
288	illustration
3426	scientific
6675	ideas
967	day
25790	electrical
12390	attraction
733	common
502	objects
953	take
1264	ordinary
939	flower
27484	vase
4053	dried
34465	energetically
4115	rub
3637	silk
11530	handkerchief
27484	vase
659	thus
762	becomes
15562	electrified
1732	attract
3104	light
739	body
4790	feather
807	shown
288	illustration
3551	cells
413	made
22002	zinc
809	carbon
7838	immersed
18793	sal
45825	ammoniac
1151	principle
756	flow
17489	electricity
756	flow
74306	electrons
6744	repeat
756	flow
739	body
936	molecules
635	water
417	seen
177	boys
1216	place
5702	row
7782	bricks
2284	standing
612	end
534	order
5704	pushed
6341	knock
79	third
756	flow
448	movement
3915	line
7719	brick
1964	moves
1405	distance
74202	electron
449	merely
1300	passes
1192	atom
7590	sends
74202	electron
79	third
1192	atom
2331	case
448	movement
1192	atom
1192	atom
3790	rapid
7854	ripple
448	movement
1113	call
587	pass
2584	enormous
1505	speed
417	seen
7945	swiftly
74306	electrons
5463	travel
2295	turned
1627	power
1424	ring
6138	bell
5274	actual
5994	mechanical
3560	apparatus
7939	energy
74202	electron
236	current
2295	turned
1239	sound
3441	heat
3104	light
2395	described
9230	technical
6029	section
558	work
6076	concerned
1151	principle
431	clear
22002	zinc
4583	apt
839	part
74306	electrons
17675	copper
6230	obliging
21736	facilitating
1658	passage
5257	onward
74306	electrons
5463	travel
11694	metals
17675	copper
8683	conductors
13894	lengthen
17675	copper
5452	wire
22002	zinc
809	carbon
478	goes
4925	front
4214	door
6138	bell
16	included
11328	circuit
111	press
3802	button
4214	door
27833	wires
2657	brought
236	current
74306	electrons
4047	rushes
11328	circuit
6138	bell
7939	energy
10923	diverted
5994	mechanical
3560	apparatus
3730	rings
6138	bell
17675	copper
1205	good
10528	conductor
884	times
1205	good
862	iron
834	therefore
733	common
25790	electrical
22797	industries
691	substances
7905	stubborn
17675	copper
850	yielding
1113	call
27835	insulators
2336	resist
236	current
2785	instead
8639	letting
756	flow
8164	atoms
941	easily
839	part
74306	electrons
3152	glass
61824	vulcanite
17798	porcelain
1205	good
27835	insulators
1765	reason
25683	dynamo
3551	cells
887	produce
5556	currents
6050	modern
1288	industry
756	flow
40	produced
1296	manner
5816	invisible
74306	electrons
587	pass
5452	wire
887	produce
1113	call
21546	magnetic
164	field
5452	wire
887	produce
6601	disturbance
4147	surrounding
21651	ether
4734	exact
21651	ether
4147	surrounding
5452	wire
7939	energy
1299	originated
74306	electrons
7954	transmitted
36	set
74306	electrons
2524	moving
1028	scale
7	use
25683	dynamo
553	means
25683	dynamo
23197	transform
5994	mechanical
7939	energy
25790	electrical
7939	energy
6050	modern
25683	dynamo
200	professor
74315	soddy
5954	puts
4391	looked
74202	electron
4541	pump
1824	go
427	subject
3708	deeply
548	say
4008	coil
17675	copper
5452	wire
4377	caused
1697	turn
3170	rapidly
1522	poles
1439	powerful
48751	magnet
852	essential
2354	construction
25683	dynamo
62681	generating
2341	strong
5556	currents
486	see
1087	moment
41099	magnetism
8723	differs
17489	electricity
548	say
1522	poles
48751	magnet
164	field
3610	intense
6601	disturbance
39	start
756	flow
74306	electrons
17675	copper
6389	introduced
1089	account
1505	speed
1510	given
4008	coil
5452	wire
8164	atoms
874	enter
1099	suddenly
21546	magnetic
164	field
13	give
6096	crowds
74306	electrons
4789	flash
670	found
706	similar
6601	disturbance
4377	caused
756	flow
583	opposite
2073	direction
4008	coil
5452	wire
586	leaves
21546	magnetic
164	field
4008	coil
23310	revolving
3170	rapidly
919	get
1439	powerful
236	current
17489	electricity
737	runs
1606	alternate
5367	directions
11940	alternating
236	current
49734	electricians
3560	apparatus
18993	converting
7657	continuous
236	current
1565	where
485	necessary
236	current
834	therefore
553	means
5756	steady
756	flow
74306	electrons
1192	atom
1192	atom
2554	number
74306	electrons
2027	rush
5676	violently
46220	explosively
739	body
15267	electric
14262	spark
2255	occasional
4789	flash
15267	electric
44663	tram
6768	train
52214	grandest
25821	spectacular
1566	display
13228	phenomenon
16288	thunderstorm
338	saw
1297	earlier
15285	portentous
11383	furnace
1921	sun
454	constantly
2596	pouring
16200	floods
74306	electrons
8164	atoms
1057	space
64	earth
42057	intercepts
790	great
1159	numbers
74306	electrons
1040	upper
1282	regions
821	air
2914	stream
52932	solar
74306	electrons
5087	effect
780	separating
7655	positively
15562	electrified
8164	atoms
75010	negatively
15562	electrified
938	ones
635	water
10076	vapour
454	constantly
4689	rising
935	surface
65	sea
2299	gathers
2526	freely
7655	positively
15562	electrified
8164	atoms
520	brings
2106	rain
64	earth
659	thus
1040	upper
821	air
3339	loses
537	proportion
5328	positive
17489	electricity
762	becomes
75010	negatively
15562	electrified
16288	thunderstorm
919	get
2013	kinds
7986	clouds
20170	excesses
74306	electrons
9646	deficient
74306	electrons
22503	tension
531	grows
4434	relieved
2079	sudden
4889	violent
6979	discharge
74306	electrons
6292	cloud
64	earth
15267	electric
14262	spark
1391	prodigious
1028	scale
32139	sec
41099	magnetism
417	seen
15267	electric
236	current
756	flow
74306	electrons
15267	electric
236	current
1586	exhibits
21546	magnetic
5087	effect
4147	surrounding
1057	space
7497	endowed
7939	energy
1113	call
21548	electro
21546	magnetic
7939	energy
820	piece
75035	magnetised
862	iron
13922	attracting
777	pieces
862	iron
391	popular
1581	idea
48751	magnet
4784	arrange
5452	wire
587	pass
6401	vertically
820	piece
17093	cardboard
22026	sprinkle
862	iron
49713	filings
17093	cardboard
540	find
450	passing
15267	electric
236	current
5452	wire
862	iron
49713	filings
4784	arrange
5655	circles
21546	magnetic
2245	force
384	due
15267	electric
236	current
1193	seems
875	exist
5655	circles
5452	wire
21651	ether
6601	disturbance
36	set
2168	single
74202	electron
448	movement
907	creates
21546	magnetic
164	field
661	called
6409	path
448	movement
74306	electrons
10997	attendant
164	field
7939	energy
999	motion
6478	stopped
164	field
7939	energy
4629	disappears
21651	ether
6050	modern
6055	theory
41099	magnetism
27280	supposes
41099	magnetism
40	produced
41099	magnetism
4480	supposed
5952	arise
8804	whirling
16070	motions
74306	electrons
697	contained
13737	ultimate
8164	atoms
428	matter
1824	go
6559	details
6055	theory
2177	explain
876	why
3282	instance
862	iron
49582	behaves
5583	differently
691	substances
3948	sufficient
548	say
74202	electron
6055	theory
22752	provides
5527	key
6055	theory
20875	definitely
2412	proved
4452	furnishes
3948	sufficient
22221	theoretical
482	basis
2984	future
9377	research
64	earth
2752	gigantic
48751	magnet
714	fact
1961	makes
6424	compass
664	known
64	earth
41099	magnetism
5522	affected
790	great
52152	outbreaks
1921	sun
661	called
1921	sun
3651	spots
4461	recently
807	shown
1921	sun
1857	spot
1434	vast
13036	whirlpool
74306	electrons
22438	exerts
2341	strong
21546	magnetic
469	action
2632	doubtless
2446	connection
52152	outbreaks
9368	electronic
1545	activity
6600	consequent
952	changes
64	earth
41099	magnetism
4478	precise
1001	mechanism
2446	connection
428	matter
15180	investigated
21651	ether
5052	waves
21651	ether
5052	waves
424	material
5097	universe
4480	supposed
7813	embedded
1434	vast
3646	medium
661	called
21651	ether
1319	notion
21651	ether
2816	abandoned
6050	modern
74395	physicists
7745	ultimately
18983	dispensed
13360	conception
21651	ether
10422	entered
3708	deeply
3426	scientific
2443	mind
392	science
33743	physics
6343	understood
420	know
7047	properties
7011	attributed
21651	ether
21651	ether
3383	invented
2177	explain
445	phenomena
3104	light
1089	account
756	flow
7939	energy
3805	empty
1057	space
3104	light
878	takes
607	time
5463	travel
486	see
1921	sun
1087	moment
3104	light
4238	minutes
976	taken
4238	minutes
3104	light
1921	sun
5463	travel
1421	miles
3193	odd
2191	separates
64	earth
714	fact
3104	light
878	takes
607	time
5463	travel
807	shown
3104	light
266	travels
838	form
5052	waves
420	know
1239	sound
266	travels
5052	waves
1239	sound
608	consists
5052	waves
821	air
635	water
786	wood
3646	medium
550	hear
15267	electric
6138	bell
640	put
3152	glass
7898	jar
821	air
11752	pumped
7898	jar
1239	sound
6138	bell
762	becomes
10250	feebler
10250	feebler
821	air
976	taken
550	hear
6138	bell
1239	sound
5463	travel
17812	vacuum
1160	continue
486	see
6138	bell
1762	evidently
3104	light
5463	travel
17812	vacuum
5816	invisible
3646	medium
5052	waves
3104	light
5463	travel
21651	ether
21651	ether
26105	permeates
1057	space
428	matter
8821	stars
7214	stretch
1434	vast
1282	regions
3805	empty
428	matter
486	see
8821	stars
3104	light
3527	reaches
953	take
7736	centuries
6597	conceive
3463	universal
21651	ether
41957	conveys
3104	light
7939	energy
4620	reached
64	earth
1921	sun
4032	stored
5050	ages
7651	coal
3779	fields
7944	propel
20076	trains
23629	steamships
3441	heat
3104	light
5311	cities
6633	perform
6763	multifarious
3215	tasks
6050	modern
74	life
6452	conveyed
21651	ether
3463	universal
16827	carrier
7939	energy
4648	stagnant
1210	lifeless
535	world
288	illustration
35411	photo
74308	leadbeater
15267	electric
14262	spark
15267	electric
14262	spark
608	consists
2027	rush
74306	electrons
1057	space
27837	terminals
1032	state
22503	tension
2237	established
21651	ether
15267	electric
5414	charges
22503	tension
1300	passes
1375	limit
6979	discharge
878	takes
1216	place
288	illustration
3426	scientific
6675	ideas
967	day
21651	ether
6601	disturbance
74202	electron
236	current
418	hand
17163	photograph
15267	electric
236	current
450	passing
4008	coil
659	thus
5922	producing
21546	magnetic
164	field
32747	transforming
16816	poker
48751	magnet
16816	poker
1172	able
1311	support
2762	pair
28336	scissors
15267	electric
236	current
1673	broken
17163	photograph
21651	ether
6601	disturbance
4590	ceases
16816	poker
3339	loses
41099	magnetism
28336	scissors
776	fall
867	said
3104	light
608	consists
5052	waves
21651	ether
2092	considered
1398	resembling
845	respects
774	jelly
27077	transmit
41998	vibrations
5052	waves
3104	light
6668	excessively
7896	ripples
1784	measuring
2210	crest
2210	crest
1405	distance
2210	crest
2210	crest
7896	ripples
1036	pond
2138	inch
1405	distance
19382	enormously
790	great
894	compared
7213	longest
8429	wave
13798	lengths
1271	constitute
3104	light
548	say
7213	longest
5052	waves
3104	light
994	differ
1758	length
9916	colour
5261	depends
1758	length
3104	light
3760	red
3104	light
7213	longest
5052	waves
8430	violet
2539	shortest
7213	longest
5052	waves
5052	waves
1860	deep
3760	red
3104	light
3980	seven
408	hundred
1834	fifty
23807	thousandths
2138	inch
1758	length
2138	inch
813	nearly
1735	twice
1758	length
1860	deep
8430	violet
3104	light
5052	waves
2138	inch
3104	light
5052	waves
5052	waves
1959	affect
1315	eye
5052	waves
3238	carried
21651	ether
5052	waves
1959	affect
1315	eye
1959	affect
49405	photographic
8582	plate
4123	discover
844	existence
5052	waves
1328	half
1758	length
1860	deep
8430	violet
5052	waves
1350	shorter
5052	waves
2396	discovered
1070	come
6668	excessively
673	minute
6504	rays
6504	rays
1006	limits
70153	visibility
1795	extend
5324	investigations
2073	direction
540	find
21651	ether
1819	carries
5052	waves
2543	longer
3104	light
5052	waves
49405	photographic
21752	emulsions
12219	reveal
844	existence
5052	waves
884	times
2543	longer
8430	violet
3104	light
5052	waves
2078	extending
1006	limits
70153	visibility
5052	waves
5497	detect
3441	heat
5052	waves
10619	radiant
3441	heat
3441	heat
5821	fire
838	form
8429	wave
999	motion
21651	ether
5052	waves
7498	senses
11210	recognise
3441	heat
2543	longer
3104	light
5052	waves
2543	longer
5052	waves
7498	senses
11210	recognise
5497	detect
11963	instruments
5052	waves
35510	wireless
36417	telegraphy
1758	length
2643	cases
2136	measured
1421	miles
5052	waves
661	called
21548	electro
21546	magnetic
5052	waves
3104	light
10619	radiant
3441	heat
21548	electro
21546	magnetic
5052	waves
439	nature
994	differ
7052	regards
8429	wave
13798	lengths
3104	light
3550	visible
5816	invisible
3104	light
608	consists
5052	waves
7954	transmitted
21651	ether
695	gives
949	rise
5052	waves
773	sets
6376	wonderfully
3790	rapid
951	series
5052	waves
2584	enormous
42009	vibration
1070	come
74202	electron
8164	atoms
428	matter
417	seen
413	made
74306	electrons
23310	revolving
950	regular
15166	orbit
22467	nucleus
74306	electrons
5522	affected
1503	side
20093	influences
4892	agitated
1505	speed
42009	vibration
5105	increased
74306	electrons
3104	light
5287	particles
820	piece
634	cold
862	iron
1032	state
42009	vibration
5712	nerves
1172	able
1190	feel
12631	register
5052	waves
6887	emit
634	cold
16816	poker
37248	radiating
8671	sending
951	series
8429	wave
1574	movements
1503	side
338	saw
439	nature
428	matter
1674	surprise
640	put
16816	poker
5821	fire
607	time
5287	particles
2946	glowing
7651	coal
5676	violently
4892	agitated
10129	communicate
7939	energy
5287	particles
862	iron
16816	poker
504	move
4277	fro
3170	rapidly
5052	waves
581	create
1172	able
1959	affect
5712	nerves
3893	cause
10948	sensation
3441	heat
640	put
16816	poker
5821	fire
985	temperature
2640	rises
21481	deg
1030	begins
7908	glow
3648	dull
3760	red
5287	particles
2524	moving
5676	violently
5052	waves
9550	send
3790	rapid
1665	picked
1315	eye
3550	visible
3104	light
1959	affect
49405	photographic
8582	plate
3441	heat
862	iron
1012	further
6096	crowds
74306	electrons
9550	send
5052	waves
6	various
13798	lengths
20833	blend
411	white
3104	light
4585	happening
4892	agitated
74306	electrons
1571	flying
2165	orbits
1505	speed
74330	trillions
884	times
473	make
862	iron
4422	blue
3478	hot
1186	pours
903	addition
3104	light
5816	invisible
5052	waves
13789	alter
8641	film
49405	photographic
8582	plate
443	range
1350	shorter
5052	waves
12008	culminating
6504	rays
587	pass
8164	atoms
779	flesh
4534	stone
813	nearly
408	hundred
1834	fifty
436	years
2412	proved
3104	light
6264	travelled
884	times
1105	faster
1239	sound
13410	jupiter
338	saw
35092	moons
5805	circle
587	pass
739	body
14697	planet
14156	reappear
1503	side
4180	noticed
13410	jupiter
1611	greatest
1405	distance
33574	reappearance
8067	moon
4238	minutes
6202	seconds
14697	planet
4424	nearest
3733	plainly
3104	light
1754	took
1916	cover
1313	additional
1405	distance
1405	distance
8495	imperfectly
664	known
1505	speed
3104	light
40170	underrated
420	know
1405	distance
941	easily
919	get
1633	velocity
3104	light
3896	doubt
1193	seems
327	wonderful
4123	discover
4055	walls
17367	laboratory
75036	cogged
5653	wheel
6787	mounted
8360	ray
3104	light
1300	passes
1225	teeth
10100	reflected
5594	mirror
972	slight
21786	fraction
3104	light
878	takes
5463	travel
1405	distance
13	give
1505	speed
5653	wheel
3461	tooth
1597	catches
8360	ray
3104	light
578	return
7326	cuts
1505	speed
5105	increased
1012	further
8360	ray
3104	light
2691	returns
1315	eye
1448	observer
16536	notch
2076	passed
5594	mirror
1505	speed
5653	wheel
664	known
659	thus
5268	gather
1633	velocity
3104	light
2539	shortest
5052	waves
2138	inch
1758	length
3104	light
266	travels
1421	miles
4350	person
558	work
68888	trillion
5052	waves
874	enter
1315	eye
486	see
8430	violet
17120	sorting
3104	light
5052	waves
5052	waves
4834	sent
1503	side
1594	energetic
74306	electrons
644	become
11103	faintly
3550	visible
4599	reach
2138	inch
644	become
1350	shorter
3790	rapid
74306	electrons
2764	increase
1505	speed
919	get
1607	succession
3038	colours
3760	red
3649	orange
402	yellow
880	green
4422	blue
4588	indigo
8430	violet
2115	distinct
10948	sensation
9916	colour
553	means
8429	wave
1758	length
10618	mingled
3104	light
1921	sun
919	get
411	white
3104	light
411	white
3104	light
1300	passes
3152	glass
1505	speed
5052	waves
10861	lessened
8360	ray
3104	light
6520	falls
1987	obliquely
5887	triangular
820	piece
3152	glass
5052	waves
13798	lengths
839	part
107	company
5463	travel
3104	light
2432	spread
2556	band
7842	rainbow
9916	colour
5052	waves
22868	sorted
1123	according
13798	lengths
6643	obstacle
3093	race
3152	glass
486	see
1072	holding
15482	wedge
3803	shaped
820	piece
895	crystal
8316	sunlight
1315	eye
49379	prism
2191	separates
8316	sunlight
21765	constituent
3038	colours
6	various
3038	colours
417	seen
1443	readily
481	thing
10071	realised
3980	seven
3038	colours
8094	painted
5653	wheel
807	shown
583	opposite
291	page
537	proportion
807	shown
5653	wheel
3170	rapidly
11564	revolved
26098	pivot
5653	wheel
860	appear
3648	dull
411	white
3038	colours
417	seen
8473	omit
3038	colours
5653	wheel
11564	revolved
860	appear
411	white
13	give
7774	impression
9916	colour
7029	corresponding
397	union
3038	colours
695	gives
4530	experiment
1725	show
718	bodies
1534	held
1315	eye
411	white
3104	light
15840	permit
6504	rays
587	pass
36960	intercept
739	body
42057	intercepts
3980	seven
6504	rays
3760	red
13	give
7774	impression
3760	red
6504	rays
8430	violet
8430	violet
9916	colour
417	seen
288	illustration
35411	photo
74213	shepstone
7951	lightning
16288	thunderstorm
25821	spectacular
1566	display
7951	lightning
4889	violent
8165	explosive
2027	rush
74306	electrons
17489	electricity
739	body
6292	cloud
6292	cloud
64	earth
327	wonderful
17163	photograph
25790	electrical
8874	storm
382	note
13295	branched
27496	undulating
14615	flashes
7951	lightning
4789	flash
4794	lasts
2543	longer
408	hundred
47428	thousandth
839	part
607	time
288	illustration
3104	light
5052	waves
3104	light
608	consists
5052	waves
7954	transmitted
21651	ether
5052	waves
3104	light
994	differ
1758	length
9916	colour
3104	light
5261	depends
8429	wave
1758	length
1860	deep
3760	red
5052	waves
7213	longest
2138	inch
1860	deep
8430	violet
5052	waves
2138	inch
7664	diagram
2201	shows
8429	wave
16070	motions
8429	wave
13798	lengths
2210	crest
2210	crest
2103	trough
2103	trough
1758	length
8429	wave
288	illustration
21546	magnetic
11328	circuit
15267	electric
236	current
15267	electric
236	current
450	passing
2073	direction
7980	arrow
15267	electric
11328	circuit
75037	generates
4147	surrounding
1057	space
4058	circular
21546	magnetic
32934	circuits
807	shown
7664	diagram
6152	property
468	lies
1779	base
21548	electro
48751	magnet
15267	electric
25683	dynamo
288	illustration
48751	magnet
288	illustration
2201	shows
4263	lines
2245	force
21549	magnets
4263	lines
2245	force
4159	proceed
2278	north
4949	pole
48751	magnet
2627	south
4949	pole
4159	proceed
2278	north
2627	south
1522	poles
48751	magnet
1651	facts
807	shown
2751	clearly
7664	diagram
2278	north
4949	pole
48751	magnet
612	end
567	turns
2278	north
48751	magnet
2526	freely
729	suspended
1213	fate
535	world
200	professor
74315	soddy
1510	given
429	interesting
6953	picture
650	happen
1921	sun
3104	light
3441	heat
2543	longer
2019	human
1315	eye
4233	adapted
5050	ages
1197	peculiarities
1921	sun
3104	light
473	make
8429	wave
1758	length
1506	let
21516	indulge
1087	moment
10474	gloomy
75038	prognostications
13362	consequences
64	earth
17494	cooling
1921	sun
6735	lapse
5050	ages
10733	vogue
62402	radio
1545	activity
6348	rudely
10635	shaken
6953	picture
1213	fate
535	world
1921	sun
644	become
3648	dull
3760	red
3478	hot
2402	ball
1009	cooled
2543	longer
6887	emit
3104	light
2725	mean
535	world
38589	inky
3562	darkness
1921	sun
6887	emit
3104	light
430	people
4044	inhabiting
535	world
7443	survived
823	keep
1010	freezing
1315	eye
649	continued
6828	adapt
2615	changing
539	conditions
37468	blues
27225	violets
45190	ultra
8430	violet
5816	invisible
2516	dark
3441	heat
3104	light
3478	hot
718	bodies
13271	luminous
2516	dark
32139	sec
4422	blue
66	sky
553	means
338	saw
5254	previous
2851	chapter
74207	spectroscope
13294	splits
3104	light
5052	waves
3038	colours
439	nature
454	constantly
15961	splitting
3104	light
75039	lengthed
5052	waves
3038	colours
7842	rainbow
1565	where
1267	dense
3366	moisture
821	air
2684	acts
74207	spectroscope
2456	familiar
699	example
820	piece
1199	mother
4909	pearl
8641	film
2387	oil
10086	street
635	water
5087	effect
3357	owing
627	fine
8007	inequalities
935	surface
920	atmosphere
967	day
17120	sorting
5052	waves
4422	blue
66	sky
7141	overhead
553	means
627	fine
5287	particles
1040	upper
920	atmosphere
2104	catch
1350	shorter
5052	waves
4422	blue
5052	waves
3811	scatter
473	make
75040	tubeful
4422	blue
66	sky
17367	laboratory
607	time
541	beautiful
16144	pink
14153	flush
32872	alps
12511	sunrise
3760	red
1168	glory
8188	lingers
182	west
7288	sunset
2725	mean
1921	sun
6504	rays
3075	struggle
54343	denser
2795	masses
821	air
1788	low
1922	horizon
3760	red
5052	waves
7715	sifted
26549	shafts
2137	varied
401	face
439	nature
14780	absorbing
5052	waves
11122	reflecting
1025	others
2989	weaves
541	beautiful
9015	robe
9916	colour
410	black
6278	patch
24309	absorbs
3104	light
411	white
7223	surfaces
9885	reflect
10100	reflected
5261	depends
2772	period
42009	vibration
74306	electrons
2917	particular
958	kind
428	matter
1538	generally
74306	electrons
2107	receive
1133	flood
74330	trillions
5052	waves
2802	absorb
3646	medium
13	give
327	wonderful
9916	colour
11270	scheme
439	nature
2643	cases
74306	electrons
1160	continue
27955	radiate
8316	sunlight
4212	ceased
776	fall
919	get
410	black
5816	invisible
3104	light
953	take
23338	photographs
718	bodies
3152	glass
5111	vibrate
3284	unison
2772	period
3104	light
5052	waves
1506	let
2914	stream
3104	light
3441	heat
691	substances
8004	phosphorescent
530	things
1113	call
13	give
1008	mysterious
634	cold
3104	light
2120	problems
392	science
7379	profound
7186	practical
444	interest
887	produce
3104	light
3441	heat
923	gas
4292	bill
12310	shrink
11331	amazingly
7939	energy
6495	wasted
9506	production
3441	heat
5052	waves
45190	ultra
8430	violet
5052	waves
2801	want
2736	cent
1627	power
40236	illumination
6495	wasted
7908	glow
963	worm
873	dead
17349	herring
12343	yield
4481	secret
861	phosphorus
481	thing
420	know
4661	suits
1091	purpose
17324	smells
815	indeed
4942	artificial
3104	light
11160	extravagant
9	cost
3255	poor
9916	colour
58414	unwary
4350	person
23716	buys
3023	garment
4942	artificial
3104	light
8896	disgusted
1167	morning
540	find
9916	colour
5762	wanted
9916	colour
8638	disclosed
1921	sun
5052	waves
4942	artificial
3104	light
288	illustration
23306	rotating
6090	disc
322	sir
20502	isaac
24958	newton
12172	mixing
3038	colours
74207	spectroscope
2933	sorts
3980	seven
3038	colours
8316	sunlight
17366	compounded
3980	seven
3038	colours
8094	painted
514	proper
814	proportions
5653	wheel
807	shown
3288	coloured
288	illustration
5653	wheel
2295	turned
3170	rapidly
26098	pivot
1907	centre
3648	dull
411	white
4203	perceived
9916	colour
8485	omitted
1363	result
9916	colour
1363	result
397	union
2194	remaining
5052	waves
8430	violet
3104	light
1350	shorter
3790	rapid
5052	waves
45190	ultra
8430	violet
5052	waves
3323	precious
36177	photographer
9262	amateur
965	knows
8582	plate
1218	safely
4079	exposed
3104	light
2637	comes
3760	red
3649	orange
4137	screen
4137	screen
553	means
4650	thoroughfare
4422	blue
4422	blue
5052	waves
4784	arrange
619	grains
3027	silver
8582	plate
5052	waves
1003	supply
7939	energy
880	green
619	grains
428	matter
46019	chlorophyll
621	plant
4880	preparing
966	food
8210	timber
417	seen
492	tree
6352	struggles
1517	upward
21379	spreads
586	leaves
75041	fanwise
4422	blue
66	sky
2107	receive
7651	coal
2052	measures
3591	mighty
873	dead
1268	forests
1434	vast
6681	stores
8316	sunlight
75042	prodigally
1527	using
6504	rays
1176	extreme
612	end
2041	highest
40377	octave
951	series
5052	waves
1627	power
21735	penetration
5343	implies
6668	excessively
673	minute
1534	held
4481	secret
6050	modern
70083	physicist
951	series
541	beautiful
5700	experiments
413	made
587	pass
8164	atoms
895	crystal
6961	learned
1758	length
1827	ten
16532	millionth
60627	millimetre
60627	millimetre
2138	inch
2405	recent
4672	discoveries
413	made
2405	recent
51498	eclipse
1921	sun
3104	light
427	subject
35093	gravitation
8360	ray
3104	light
8855	star
1894	bent
1852	straight
6409	path
1300	passes
119	mass
1921	sun
200	professor
74204	eddington
3091	tells
2842	speak
14002	pound
3104	light
14002	pound
703	sugar
200	professor
74204	eddington
7822	calculates
64	earth
2065	receives
22994	tons
3104	light
1921	sun
2658	year
7939	energy
74	life
5261	depends
417	seen
1297	earlier
2851	chapter
998	fundamental
75025	entities
5097	universe
428	matter
661	called
7939	energy
7939	energy
4439	indispensable
535	world
1160	continue
875	exist
445	phenomena
5384	including
74	life
5107	depend
62525	humanly
1579	impossible
581	create
2244	destroy
12881	particle
428	matter
1579	impossible
581	create
2244	destroy
7939	energy
6985	statement
1443	readily
6343	understood
2092	considered
7939	energy
7939	energy
428	matter
16151	indestructible
428	matter
3419	exists
6	various
2162	forms
7939	energy
2976	add
6728	ignorant
6718	negative
5328	positive
5287	particles
17489	electricity
1271	constitute
428	matter
6728	ignorant
439	nature
7939	energy
607	time
7939	energy
1628	completely
1008	mysterious
439	nature
2901	mysteries
2814	advance
6050	modern
392	science
4979	measure
24879	unveiled
9228	nineteenth
7506	century
7939	energy
2576	came
664	known
2115	distinct
2361	permanent
428	matter
2162	forms
7939	energy
844	existence
6	various
2162	forms
7939	energy
664	known
954	course
5050	ages
7939	energy
2105	falling
4534	stone
7939	energy
40	produced
824	burning
786	wood
7651	coal
658	substance
852	essential
21886	identity
2162	forms
7939	energy
4199	suspected
13360	conception
7939	energy
428	matter
3137	constant
2719	amount
2826	created
2797	destroyed
790	great
3426	scientific
32656	acquisitions
7506	century
288	illustration
8429	wave
6026	shapes
8429	wave
16070	motions
6319	complex
288	illustration
2201	shows
8733	fairly
1000	complicated
8429	wave
6026	shapes
8429	wave
16070	motions
40	produced
75043	superposing
2554	number
515	simple
8429	wave
2162	forms
288	illustration
1627	power
48751	magnet
288	illustration
20079	phoenix
15267	electric
48751	magnet
10448	lifting
8524	scrap
16843	railway
23552	trucks
48751	magnet
1345	inches
3804	diameter
15539	lifts
1973	weight
22994	tons
2713	type
48751	magnet
1345	inches
3804	diameter
15539	lifts
1973	weight
22994	tons
288	illustration
35411	photo
1568	locomotive
24632	publishing
388	co
23210	ltd
1505	speed
3104	light
6768	train
4271	travelling
2243	rate
2471	sixty
1421	miles
2707	hour
953	take
5552	seventeen
5337	quarter
259	days
1824	go
64	earth
5628	equator
1405	distance
1421	miles
3104	light
266	travels
2243	rate
1421	miles
953	take
6378	seventh
5725	eighth
1824	go
1405	distance
288	illustration
23306	rotating
6090	disc
322	sir
20502	isaac
24958	newton
12172	mixing
3038	colours
74207	spectroscope
2933	sorts
3980	seven
3038	colours
8316	sunlight
17366	compounded
3980	seven
3038	colours
8094	painted
514	proper
814	proportions
5653	wheel
807	shown
3288	coloured
288	illustration
5653	wheel
2295	turned
3170	rapidly
26098	pivot
1907	centre
3648	dull
411	white
4203	perceived
9916	colour
8485	omitted
1363	result
9916	colour
1363	result
397	union
2194	remaining
874	enter
3708	deeply
427	subject
3948	sufficient
5010	briefly
5981	outline
17360	salient
9344	aspects
7939	energy
9698	recognised
2162	forms
61749	kinetic
44568	potential
838	form
7939	energy
2745	apparent
7939	energy
999	motion
699	example
2542	rolling
4534	stone
868	running
635	water
2105	falling
739	body
1113	call
7939	energy
999	motion
61749	kinetic
7939	energy
44568	potential
7939	energy
7939	energy
739	body
528	virtue
1464	position
10107	capacity
523	words
2348	acquire
61749	kinetic
7939	energy
2331	case
4534	stone
1930	resting
3235	edge
5630	cliff
7939	energy
1563	assume
2162	forms
958	kind
7939	energy
5392	converted
5293	indirectly
838	form
7939	energy
824	burning
7651	coal
699	example
5392	converted
3441	heat
3441	heat
7939	energy
5994	mechanical
7939	energy
1617	manifested
8152	steam
12989	engine
18257	transfer
7939	energy
739	body
7939	energy
790	great
8048	waterfalls
16603	niagara
3282	instance
1003	supply
7939	energy
2549	huge
15267	electric
1627	power
22713	stations
3441	heat
714	fact
7939	energy
7939	energy
580	tends
953	take
838	form
3441	heat
7939	energy
41987	impact
2105	falling
4534	stone
75037	generates
3441	heat
8225	waterfall
24328	hotter
671	bottom
1863	top
2105	falling
5287	particles
635	water
1889	striking
626	ground
23496	generate
3441	heat
806	chemical
952	changes
5192	attended
3441	heat
952	changes
7939	energy
656	remain
13385	latent
848	indefinitely
8549	lump
786	wood
27794	combustion
22458	liberated
3441	heat
1363	result
1192	atom
60544	radium
62402	radio
735	active
658	substance
48479	disintegrates
75037	generates
3441	heat
2707	hour
60544	radium
75037	generates
3948	sufficient
3441	heat
1982	raise
985	temperature
1973	weight
635	water
1010	freezing
223	point
8199	boiling
223	point
3441	heat
3441	heat
41041	molecular
999	motion
936	molecules
658	substance
417	seen
5254	previous
291	page
1032	state
4080	continual
999	motion
6448	vigorous
999	motion
24328	hotter
739	body
786	wood
7651	coal
17209	burns
5816	invisible
936	molecules
691	substances
5676	violently
4892	agitated
13	give
949	rise
21651	ether
5052	waves
7498	senses
33154	interpret
3104	light
3441	heat
3137	constant
448	movement
936	molecules
34764	manifestation
7939	energy
999	motion
3441	heat
7939	energy
4629	disappears
838	form
5642	reappears
670	found
20962	universally
75044	joule
38148	churning
635	water
4359	showed
22578	measurable
702	quantity
5994	mechanical
7939	energy
5886	transformed
22578	measurable
702	quantity
3441	heat
7939	energy
6871	causing
3560	apparatus
1844	stir
635	water
7276	vigorously
3560	apparatus
7096	driven
2105	falling
23766	weights
23306	rotating
75045	flywheel
5994	mechanical
553	means
635	water
4676	became
761	heated
2719	amount
5994	mechanical
7939	energy
2719	amount
3441	heat
886	appeared
313	relation
530	things
670	found
4300	invariable
6151	physical
889	change
439	nature
17976	involves
7728	transformation
7939	energy
5891	total
702	quantity
7939	energy
5097	universe
525	remains
12845	unaltered
790	great
14371	doctrine
24298	conservation
7939	energy
32139	sec
11826	substitutes
7651	coal
5191	consider
3597	source
813	nearly
7939	energy
6050	modern
58249	civilisation
7651	coal
790	great
1268	forests
44079	carboniferous
8131	epoch
3419	exists
3484	beds
7651	coal
824	burning
7651	coal
806	chemical
7728	transformation
3441	heat
7939	energy
40	produced
58249	civilisation
5261	depends
1761	whence
7939	energy
9897	locked
7651	coal
835	derived
1921	sun
2771	millions
436	years
7939	energy
1921	sun
6504	rays
3410	gone
838	form
1434	vast
3633	vegetation
44079	carboniferous
10774	era
5886	transformed
6	various
6304	subtle
4003	processes
44568	potential
7939	energy
5180	slumbers
2032	immense
68095	fossilized
1268	forests
11695	exhaustion
7651	coal
3438	deposits
2725	mean
532	knowledge
2629	extends
612	end
535	world
58249	civilisation
664	known
2274	sources
7939	energy
7939	energy
2105	falling
635	water
790	great
6520	falls
16603	niagara
1003	supply
7939	energy
2549	huge
15267	electric
1627	power
22713	stations
68651	utilise
7939	energy
12161	tides
3282	instance
7939	energy
2524	moving
635	water
12272	attempts
413	made
68651	utilise
7939	energy
1921	sun
6504	rays
2274	sources
7939	energy
894	compared
7939	energy
7651	coal
8414	suggestion
413	made
2405	recent
5732	british
12914	association
6036	meeting
1860	deep
45390	borings
7790	sunk
534	order
68651	utilise
3013	internal
3441	heat
64	earth
7186	practical
12211	proposal
5845	effective
11826	substitutes
7651	coal
670	found
904	interior
7939	energy
1192	atom
3597	source
7939	energy
417	seen
2766	practically
55524	illimitable
2032	immense
25790	electrical
7939	energy
904	interior
1192	atom
22458	liberated
14911	controlled
8180	steadily
21718	decreasing
7651	coal
1003	supply
2543	longer
75046	bugbear
7858	thoughtful
276	men
4032	stored
7939	energy
790	great
7651	coal
3779	fields
2737	replace
581	create
568	fresh
1169	supplies
417	seen
7939	energy
2797	destroyed
644	become
49712	unavailable
1506	let
5191	consider
714	fact
553	means
32139	sec
34692	dissipation
7939	energy
7939	energy
644	become
1923	dissipated
1565	where
1824	go
16151	indestructible
875	exist
7909	easier
8836	ask
577	question
13	give
544	final
579	answer
5981	outline
1565	where
2738	advanced
532	knowledge
33743	physics
2283	assumed
839	part
5352	reader
1824	go
2536	fully
1026	somewhat
1242	difficult
16098	theories
640	put
1507	forward
74395	physicists
11692	chemists
1982	raise
985	temperature
548	say
862	iron
411	white
3478	hot
1636	stop
648	process
985	temperature
862	iron
945	gradually
7489	settle
985	temperature
4147	surrounding
718	bodies
1565	where
5254	previous
7939	energy
1824	go
4979	measure
587	pass
718	bodies
1211	contact
820	piece
862	iron
7745	ultimately
3441	heat
762	becomes
6622	radiated
1057	space
1565	where
5123	follow
901	added
1434	vast
24408	reservoir
49712	unavailable
3441	heat
7939	energy
3977	uniform
985	temperature
3948	sufficient
548	say
718	bodies
3977	uniform
985	temperature
1364	experience
481	thing
3441	heat
3441	heat
266	travels
739	body
5087	effect
17494	cooling
14221	warming
607	time
718	bodies
2348	acquire
985	temperature
12222	sum
5891	total
3441	heat
739	body
2136	measured
14	terms
61749	kinetic
7939	energy
2524	moving
936	molecules
1070	come
607	time
486	see
3441	heat
7939	energy
5097	universe
6622	radiated
3805	empty
6481	infinite
1057	space
3977	uniform
985	temperature
8381	prevail
739	body
24328	hotter
49706	radiates
3441	heat
739	body
985	temperature
739	body
1302	possess
3267	considerable
702	quantity
3441	heat
7939	energy
4120	absorbed
7939	energy
21604	reactions
718	bodies
6076	concerned
49712	unavailable
1151	principle
8612	applies
2554	number
718	bodies
5191	consider
3441	heat
7939	energy
60663	utilised
718	bodies
985	temperature
5097	universe
3977	uniform
985	temperature
1302	possess
2584	enormous
2719	amount
3441	heat
7939	energy
7939	energy
49712	unavailable
3977	uniform
985	temperature
2725	mean
2726	imply
5343	implies
790	great
434	deal
7939	energy
535	world
4676	became
49712	unavailable
5097	universe
5420	cease
3137	constant
10457	interchange
3441	heat
54812	radiations
5097	universe
8393	tending
3977	uniform
985	temperature
2331	case
41041	molecular
999	motion
4212	ceased
644	become
49712	unavailable
2096	sense
867	said
5097	universe
868	running
288	illustration
16603	niagara
6520	falls
7939	energy
2105	falling
635	water
1391	prodigious
23496	generate
2714	thousands
2870	horse
1627	power
790	great
25790	electrical
24283	installations
1627	power
3153	drive
15267	electric
75047	trams
5311	cities
1421	miles
288	illustration
35411	photo
20546	stephen
28832	cribb
7728	transformation
7939	energy
288	illustration
7939	energy
806	chemical
7939	energy
2657	brought
844	existence
14267	firing
8165	explosive
4498	manifesting
5994	mechanical
7939	energy
3948	sufficient
11554	impart
4889	violent
999	motion
22994	tons
635	water
288	illustration
35411	photo
1868	underwood
1868	underwood
8199	boiling
11342	kettle
3897	ice
11342	kettle
2273	containing
1707	liquid
821	air
750	placed
3897	ice
6067	boils
3897	ice
9771	intensely
3478	hot
894	compared
1788	low
985	temperature
1707	liquid
821	air
936	molecules
658	substance
2657	brought
2768	standstill
658	substance
491	absolute
37220	zero
985	temperature
22367	colder
985	temperature
41041	molecular
16070	motions
5420	cease
664	known
21481	deg
739	body
3333	possibly
883	attain
1879	lower
985	temperature
1879	lower
985	temperature
875	exist
3419	exists
439	nature
648	process
420	know
22541	whereby
7939	energy
8220	renewed
52932	solar
4412	system
967	day
1051	sink
491	absolute
37220	zero
985	temperature
1921	sun
64	earth
739	body
5097	universe
8180	steadily
37248	radiating
3441	heat
56350	radiation
1824	go
3441	heat
4865	continually
580	tends
26989	diffuse
75048	equalise
21202	temperatures
486	see
24536	theoretically
46335	evading
3174	law
42019	chaotic
41041	molecular
16070	motions
1271	constitute
3441	heat
20105	regulated
3441	heat
7939	energy
739	body
60663	utilised
6811	authorities
1260	think
4003	processes
1824	go
739	body
12930	involve
3991	waste
7939	energy
806	chemical
7939	energy
966	food
5886	transformed
558	work
1923	dissipated
5281	useless
3441	heat
7939	energy
834	therefore
303	man
4184	finally
4123	discover
1157	escape
4	natural
3174	law
7939	energy
2797	destroyed
2424	tendency
644	become
49712	unavailable
5600	primary
24408	reservoir
7939	energy
1192	atom
7939	energy
1192	atom
1192	atom
808	elements
1921	sun
8821	stars
64	earth
439	nature
1181	draws
1003	supply
7939	energy
4123	discover
3949	replenish
9195	dwindling
8991	resources
7939	energy
540	find
1113	call
49712	unavailable
7939	energy
4032	stored
3977	uniform
985	temperature
3241	looks
25286	successors
10872	witness
429	interesting
3093	race
1528	progress
392	science
418	hand
42839	depletion
4	natural
8991	resources
4	natural
2243	rate
756	flow
7939	energy
5600	primary
45370	atomic
10387	reservoirs
65	sea
3991	waste
3441	heat
7939	energy
3977	uniform
985	temperature
24517	allows
74	life
4159	proceed
4774	complete
1550	pace
12607	sternly
20105	regulated
3172	inexorable
509	laws
1003	supply
4094	demand
74964	biologists
9698	recognised
164	field
3075	struggle
844	existence
428	matter
7939	energy
200	professor
74315	soddy
7939	energy
5274	actual
7042	entity
428	matter
2826	created
2797	destroyed
428	matter
21651	ether
24292	receptacles
4657	vehicles
7939	energy
867	said
75025	entities
420	know
2162	forms
7939	energy
998	fundamental
9344	aspects
5600	primary
7042	entity
7351	constitutes
428	matter
428	matter
6287	constituted
5287	particles
17489	electricity
417	seen
577	question
4130	await
579	answer
17489	electricity
32139	sec
428	matter
21651	ether
74203	einstein
7035	supreme
68842	synthesis
1348	crown
3430	progressive
16866	conquest
439	nature
4123	discover
5287	particles
5328	positive
6718	negative
17489	electricity
473	make
8164	atoms
428	matter
2438	points
7007	centres
5095	disturbances
958	kind
3463	universal
21651	ether
6693	energies
3104	light
41099	magnetism
35093	gravitation
197	etc
5052	waves
19961	strains
958	kind
36	set
21651	ether
4653	clusters
74306	electrons
9258	fascinating
26349	tantalising
5382	dream
75049	larmor
1263	suggested
74202	electron
1147	tiny
13036	whirlpool
13038	vortex
21651	ether
13038	vortex
1697	turn
583	opposite
446	ways
1125	seem
486	see
9485	possibility
13181	explaining
5328	positive
6718	negative
17489	electricity
1276	difficulties
2412	proved
576	serious
439	nature
74202	electron
1191	unknown
2405	recent
4991	view
1424	ring
6718	negative
17489	electricity
23306	rotating
16951	axis
1505	speed
1711	carry
22935	unit
5328	positive
17489	electricity
664	known
4824	content
420	know
915	general
4263	lines
1672	thought
2524	moving
544	final
22200	unification
548	say
22200	unification
1396	grave
18323	error
1260	think
21651	ether
482	basis
25249	unity
473	make
852	essential
839	part
11970	philosophy
5097	universe
21651	ether
1548	imagined
7042	entity
7385	ascribed
6094	extraordinary
7047	properties
2098	seemed
6704	promise
3267	considerable
3277	aid
6927	conceived
5579	elastic
764	solid
790	great
21566	density
4614	stretching
612	end
612	end
5097	universe
31680	transmitting
5052	waves
8855	star
8855	star
2243	rate
1421	miles
7717	believed
764	solid
428	matter
2076	passed
875	exist
436	years
1053	delicate
4530	experiment
2081	tried
1091	purpose
6726	detecting
21651	ether
64	earth
4271	travelling
1921	sun
504	move
21651	ether
21651	ether
3419	exists
2914	stream
21651	ether
4022	flowing
17367	laboratory
999	motion
10395	ship
920	atmosphere
473	make
7640	wind
75050	michelson
302	morley
2081	tried
5497	detect
24536	theoretically
8360	ray
3104	light
2073	direction
2914	stream
5463	travel
2243	rate
8360	ray
3104	light
2914	stream
670	found
2178	difference
5650	scores
5700	experiments
6351	failed
2182	prove
21651	ether
1765	reason
2309	suppose
11963	instruments
860	appear
12310	shrink
2409	precisely
537	proportion
9508	alteration
3104	light
714	fact
525	remains
4810	proof
844	existence
21651	ether
75051	jeans
516	says
439	nature
2684	acts
481	thing
5061	existed
445	phenomena
3104	light
41099	magnetism
516	says
2726	imply
21651	ether
2119	thinks
26614	hypothesis
2816	abandoned
5600	primary
1765	reason
954	course
1638	giving
1319	notion
21651	ether
74203	einstein
807	shown
6726	detecting
844	existence
21651	ether
64	earth
2524	moving
6726	detecting
999	motion
4530	experiment
2081	tried
867	said
693	method
3529	sensitive
999	motion
2396	discovered
74203	einstein
69201	revolutionising
13566	conceptions
1057	space
607	time
4359	showed
999	motion
2396	discovered
553	means
5601	employed
1461	usual
1319	notion
21651	ether
2816	abandoned
2177	explain
6055	theory
2536	fully
6029	section
5076	influence
12161	tides
2474	origin
8067	moon
64	earth
22270	slowing
32139	sec
1062	comparatively
2405	recent
884	times
714	fact
498	full
3545	dawn
6050	modern
392	science
12161	tides
23458	ranked
1611	greatest
439	nature
2901	mysteries
815	indeed
7200	agency
35908	invoked
2177	explain
7140	mysteriously
950	regular
59283	flux
22079	reflux
2635	waters
3229	ocean
3166	surprising
5756	steady
3912	rhythmical
949	rise
776	fall
1263	suggested
22147	imaginative
2462	minds
1044	breathing
3591	mighty
67	animal
303	man
4676	became
2224	aware
714	fact
950	regular
448	movement
13224	somehow
856	associated
8067	moon
2491	nearer
6958	explanation
13729	bond
875	exist
1574	movements
1595	distant
535	world
7403	diurnal
2174	variation
2635	waters
64	earth
2263	reported
4347	ancient
220	astronomer
20732	despairing
39811	resolving
1187	mystery
13601	drowned
65	sea
64	earth
6662	pulled
8067	moon
839	part
11282	merit
24958	newton
3591	mighty
6055	theory
35093	gravitation
4975	furnished
6958	explanation
1829	age
359	old
1187	mystery
486	see
995	broad
5748	outlines
2243	rate
6055	theory
3463	universal
12390	attraction
933	applied
2331	case
8067	moon
24958	newton
1175	taught
27319	pulls
12881	particle
428	matter
64	earth
5929	imagine
839	part
64	earth
935	surface
3727	comprises
5646	pacific
3229	ocean
3282	instance
2295	turned
8067	moon
486	see
8067	moon
4057	pull
5135	acting
1654	loose
2513	mobile
635	water
5421	tend
1933	heap
802	sort
42297	mound
64	earth
6662	pulled
8067	moon
635	water
2000	free
512	obey
4057	pull
764	solid
64	earth
12161	tides
4377	caused
64	earth
764	solid
3533	crust
807	shown
7029	corresponding
8568	hump
5421	tend
40	produced
1503	side
64	earth
3357	owing
2331	case
2424	tendency
635	water
2613	loosely
3553	connected
39331	lag
764	solid
64	earth
64	earth
935	surface
781	entirely
672	fluid
19710	rotation
64	earth
13	give
7774	impression
8526	humps
4865	continually
4271	travelling
535	world
967	day
1510	given
839	part
64	earth
935	surface
834	therefore
8526	humps
4542	daily
843	periods
635	water
6980	simplest
5981	outline
74331	gravitational
6055	theory
12161	tides
288	illustration
3893	cause
12161	tides
12161	tides
65	sea
384	due
4057	pull
8067	moon
7536	lesser
2069	degree
1921	sun
64	earth
6662	pulled
8067	moon
1654	loose
2513	mobile
635	water
2000	free
512	obey
4057	pull
764	solid
64	earth
12161	tides
4377	caused
64	earth
764	solid
3533	crust
5087	effect
12161	tides
22270	slowing
19710	rotation
64	earth
8494	explained
412	text
288	illustration
35411	photo
45710	brocklehurst
74309	aegir
212	trent
22622	exceptionally
2134	smooth
7639	formation
384	due
947	perfect
3693	weather
539	conditions
3788	wall
7639	formation
40418	tidal
5052	waves
486	see
291	page
4180	noticed
1765	reason
2261	downward
236	current
2470	river
888	heads
65	sea
635	water
659	thus
15234	helps
19645	exaggerate
6175	advancing
2155	slope
8429	wave
6003	exceptional
879	spring
12161	tides
4377	caused
727	combined
651	operation
8067	moon
1921	sun
8494	explained
412	text
288	illustration
35411	photo
45710	brocklehurst
3159	big
879	spring
5473	tide
74309	aegir
212	trent
2765	actually
2202	observed
445	phenomena
2686	vastly
1000	complicated
4774	complete
6055	theory
3272	bears
7383	resemblance
515	simple
838	form
23332	outlined
1002	lives
10073	neighbourhood
5637	port
965	knows
3282	instance
635	water
2322	seldom
6147	coincides
607	time
8067	moon
8649	crosses
5464	meridian
668	hours
1927	late
635	water
173	london
1974	bridge
3282	instance
1787	occurs
1328	half
668	hours
8067	moon
2076	passed
5464	meridian
26605	dublin
635	water
1787	occurs
1328	half
668	hours
8067	moon
8649	crosses
5464	meridian
2765	actually
2202	observed
445	phenomena
515	simple
1628	completely
4103	worked
884	times
635	water
5637	port
535	world
32504	prophesied
3267	considerable
607	time
9811	ahead
469	action
1921	sun
8067	moon
21438	scope
2033	attempt
2177	explain
4774	complete
6055	theory
4906	mention
799	obvious
5093	factor
976	taken
1089	account
8067	moon
74331	gravitational
12390	attraction
2865	produces
12161	tides
8353	expect
1921	sun
74331	gravitational
12390	attraction
3806	stronger
887	produce
12161	tides
2309	suppose
3311	sight
1439	powerful
12161	tides
8067	moon
1921	sun
2865	produces
12161	tides
1439	powerful
40	produced
8067	moon
1921	sun
5473	tide
5922	producing
1627	power
428	matter
714	fact
1328	half
8067	moon
1765	reason
1405	distance
5481	plays
2584	enormous
21200	role
9506	production
12161	tides
119	mass
1921	sun
884	times
8067	moon
418	hand
884	times
8067	moon
731	greater
1405	distance
24323	counterbalances
731	greater
119	mass
1363	result
867	said
8067	moon
1735	twice
1439	powerful
1921	sun
8067	moon
1178	act
661	called
879	spring
12161	tides
1178	act
43236	neap
12161	tides
17321	effects
1012	further
1000	complicated
2554	number
6977	factors
12161	tides
6	various
1184	places
847	vary
19382	enormously
659	thus
6536	st
34951	helena
65	sea
2640	rises
6520	falls
1346	feet
6173	bay
75052	fundy
2640	rises
6520	falls
1834	fifty
1346	feet
8492	reasons
1000	complicated
32139	sec
2474	origin
8067	moon
2534	aspect
12161	tides
2686	vastly
731	greater
444	interest
795	importance
6055	theory
14381	discussing
643	hands
322	sir
121	george
319	darwin
6901	son
194	charles
319	darwin
12161	tides
413	made
1626	throw
3104	light
7048	evolution
52932	solar
4412	system
2917	particular
103	illustrated
2474	origin
955	development
4412	system
981	formed
64	earth
8067	moon
5050	ages
64	earth
23306	rotating
23274	immensely
1105	faster
8067	moon
2765	actually
1211	contact
64	earth
4174	remote
1829	age
8067	moon
223	point
780	separating
64	earth
2694	thrown
64	earth
64	earth
8067	moon
739	body
2243	rate
19710	rotation
4377	caused
739	body
7730	split
777	pieces
820	piece
4676	became
64	earth
420	know
4676	became
8067	moon
6630	conclusion
441	led
899	examination
12161	tides
1216	place
1506	let
5191	consider
7939	energy
40	produced
12161	tides
486	see
9248	evidences
7939	energy
2472	word
75053	coastlines
44683	estuaries
16676	scooped
790	great
487	rocks
945	gradually
2839	reduced
7819	rubble
602	innumerable
22994	tons
428	matter
4865	continually
36	set
448	movement
1761	whence
7939	energy
835	derived
7939	energy
428	matter
2826	created
3597	source
1961	makes
15561	colossal
24466	expenditure
64	earth
22270	slowing
579	answer
515	simple
1623	startling
3597	source
40418	tidal
7939	energy
19710	rotation
64	earth
4736	massive
5243	bulk
64	earth
5070	turning
100	twenty
668	hours
16951	axis
2752	gigantic
75045	flywheel
528	virtue
19710	rotation
4110	possesses
2584	enormous
6006	store
7939	energy
23440	heaviest
59131	swiftest
75045	flywheel
558	work
4814	working
5761	friction
4500	bearings
3372	dispense
7939	energy
945	gradually
1818	slow
1157	escape
6216	reasoning
19710	rotation
64	earth
1169	supplies
7939	energy
12161	tides
1817	consequence
12161	tides
22270	slowing
64	earth
12161	tides
1178	act
958	kind
48949	brake
64	earth
19710	rotation
2795	masses
635	water
1534	held
8067	moon
21131	exert
958	kind
6167	dragging
5087	effect
23306	rotating
64	earth
2632	doubtless
5087	effect
2136	measured
1264	ordinary
23568	standards
7657	continuous
954	course
2771	millions
436	years
12840	dealt
32634	astronomy
3137	constant
5087	effect
887	produce
3267	considerable
5065	results
5087	effect
807	shown
485	necessary
6040	mathematical
1817	consequence
40418	tidal
469	action
8067	moon
469	action
64	earth
2865	produces
12161	tides
21806	react
8067	moon
12161	tides
22270	slowing
64	earth
2560	driving
8067	moon
3577	farther
3577	farther
1363	result
305	strange
1125	seem
15840	permit
3896	doubt
1363	result
37835	indubitable
41988	dynamical
1151	principle
413	made
431	clear
6040	mathematical
8698	discussion
429	interesting
13362	consequences
5123	follow
64	earth
22270	slowing
5322	follows
23306	rotating
1105	faster
2772	period
607	time
967	day
21974	comprised
100	twenty
668	hours
2892	going
3577	farther
1070	come
967	day
1827	ten
668	hours
14974	inconceivable
5050	ages
64	earth
23306	rotating
16951	axis
2772	period
668	hours
223	point
1506	let
1636	stop
6749	inquire
4585	happening
8067	moon
417	seen
8067	moon
3360	getting
3577	farther
3577	farther
5322	follows
834	therefore
967	day
1350	shorter
8067	moon
2491	nearer
1824	go
3577	farther
607	time
540	find
8067	moon
2491	nearer
2491	nearer
64	earth
23306	rotating
1105	faster
1105	faster
4599	reach
2772	period
3518	mentioned
2772	period
64	earth
2996	completed
1629	revolution
668	hours
540	find
8067	moon
44409	grazing
64	earth
714	fact
841	remarkable
965	knows
5292	critical
1633	velocity
23306	rotating
75045	flywheel
1633	velocity
75045	flywheel
962	fly
777	pieces
27876	centrifugal
2245	force
946	developed
790	great
7078	overcome
41316	cohesion
936	molecules
75045	flywheel
8472	likened
64	earth
75045	flywheel
3431	traced
5	history
223	point
1565	where
23306	rotating
2032	immense
1633	velocity
417	seen
1087	moment
8067	moon
4627	barely
942	separated
64	earth
6630	conclusion
7870	irresistible
1829	age
4174	remote
64	earth
962	fly
777	pieces
777	pieces
8067	moon
5194	brief
5981	outline
40418	tidal
6055	theory
2474	origin
64	earth
8067	moon
4412	system
967	day
3504	becoming
2543	longer
526	beginning
8067	moon
7730	split
64	earth
7010	obviously
9564	shared
64	earth
19710	rotation
4190	flew
64	earth
607	time
64	earth
23309	rotated
548	say
2064	month
967	day
2332	equal
1758	length
8067	moon
4489	began
919	get
3577	farther
64	earth
2064	month
8067	moon
1754	took
2543	longer
6729	rotate
64	earth
4489	began
919	get
12170	correspondingly
2543	longer
967	day
4676	became
2543	longer
64	earth
22270	slowing
900	taking
2543	longer
6729	rotate
16951	axis
2064	month
5105	increased
731	greater
2243	rate
967	day
4131	presently
2064	month
4676	became
2332	equal
259	days
1432	calculated
648	process
4670	went
100	twenty
1926	nine
259	days
2064	month
2554	number
259	days
2064	month
4489	began
21472	decrease
4620	reached
463	value
1277	magnitude
1160	continue
21472	decrease
2064	month
967	day
2332	equal
1829	age
64	earth
23306	rotating
1833	slowly
75054	braking
469	action
12161	tides
3893	cause
64	earth
823	keep
401	face
8067	moon
6729	rotate
16951	axis
607	time
8067	moon
567	turns
64	earth
64	earth
8067	moon
12149	involved
1032	state
5100	affairs
544	final
5087	effect
52932	solar
12161	tides
2092	considered
8067	moon
1961	makes
967	day
2332	equal
2064	month
1921	sun
2424	tendency
1012	further
22270	slowing
64	earth
19710	rotation
16951	axis
473	make
967	day
2332	equal
2658	year
954	course
1422	making
64	earth
953	take
1697	turn
16951	axis
1824	go
1921	sun
2415	succeed
3357	owing
469	action
8067	moon
2415	succeed
1422	making
967	day
2543	longer
2064	month
3166	surprising
1125	seem
288	illustration
9485	possibility
50965	satellites
14757	mars
43629	martian
967	day
1328	half
2707	hour
2543	longer
673	minute
50965	satellites
14757	mars
2396	discovered
4180	noticed
1997	inner
11564	revolved
14757	mars
3980	seven
668	hours
409	forty
4238	minutes
43629	martian
967	day
834	therefore
35092	moons
14757	mars
1961	makes
4774	complete
26099	revolutions
14697	planet
8760	inhabitant
14757	mars
2704	months
967	day
17123	bibliography
75055	arrhenius
75056	svante
15061	worlds
1422	making
9239	clerk
21855	maxwell
1911	james
428	matter
999	motion
7430	daniell
357	alfred
412	text
3	book
7546	principles
33743	physics
319	darwin
322	sir
12161	tides
25603	holman
428	matter
7939	energy
2245	force
558	work
75057	kapp
75058	gisbert
17489	electricity
74216	kelvin
3397	lord
391	popular
27166	lectures
4386	addresses
8499	vol
1948	constitution
428	matter
21010	lockyer
322	sir
18266	norman
8500	inorganic
7048	evolution
11878	lodge
322	sir
19698	oliver
74306	electrons
21651	ether
1057	space
36549	perrin
9336	jean
74305	brownian
448	movement
41041	molecular
522	reality
74315	soddy
17411	frederick
428	matter
7939	energy
6629	interpretation
60544	radium
137	thompson
75059	silvanus
3104	light
3550	visible
5816	invisible
17917	thomson
322	sir
41111	corpuscular
6055	theory
428	matter
612	end
0	project
1	gutenberg
2	ebook
5981	outline
392	science
8499	vol
19283	arthur
17917	thomson
612	end
0	project
1	gutenberg
2	ebook
5981	outline
392	science
6943	file
7312	named
9353	txt
9354	zip
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