The Earth and Its LifeWorld book Company, 1922 - Всего страниц: 207 |
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Стр. 100
... race . Present - day horses are bigger than extinct horses , and much bigger than their three- and four - toed ancestors . The first undoubted horse - like animal , found in the rocks of North America , is not more than eleven inches in ...
... race . Present - day horses are bigger than extinct horses , and much bigger than their three- and four - toed ancestors . The first undoubted horse - like animal , found in the rocks of North America , is not more than eleven inches in ...
Стр. 113
... race that the rocks have so far revealed to us . The skull , in spite of ape - like peculiarities , is on the whole absolutely human . The forehead is as steep as is usual in modern man , and without the prominent bony brow - ridges ...
... race that the rocks have so far revealed to us . The skull , in spite of ape - like peculiarities , is on the whole absolutely human . The forehead is as steep as is usual in modern man , and without the prominent bony brow - ridges ...
Стр. 114
... race of men , whose skeleton is almost completely known from time to time . They are found in A , DIAGRAMMATIC RESTORATION remains discovered from OF SKELETON FROM LA- CHAPELLE - AUX - SAINTS COM- PARED WITH B , SKELETON OF EXISTING ...
... race of men , whose skeleton is almost completely known from time to time . They are found in A , DIAGRAMMATIC RESTORATION remains discovered from OF SKELETON FROM LA- CHAPELLE - AUX - SAINTS COM- PARED WITH B , SKELETON OF EXISTING ...
Стр. 115
A. Waddingham Seers. For some time this primitive race of men was con- temporary with a much higher one which was in existence before the mammoth and woolly rhinoceros became extinct . The skulls of the latter race are as highly ...
A. Waddingham Seers. For some time this primitive race of men was con- temporary with a much higher one which was in existence before the mammoth and woolly rhinoceros became extinct . The skulls of the latter race are as highly ...
Стр. 117
... race in this part of the world , and flint implements are sometimes found in association with the bones of animals , including the stag , roe - deer , cave - bear , horse , hippopotamus , straight - tusked elephant , and urus , 117 THE ...
... race in this part of the world , and flint implements are sometimes found in association with the bones of animals , including the stag , roe - deer , cave - bear , horse , hippopotamus , straight - tusked elephant , and urus , 117 THE ...
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adapted algæ Almagest America ancestors ancient apes appearance astronomers barrows birds body bones brain Britain Bronze Age carbon carbon dioxide carboniferous carried cave cells centre century B.C. climate coal continued copper corroboree cycads Darwin decay discovered discovery earliest early earth earth's crust elephant environment epoch Eskimo Europe evolution evolved existence extinct feet fertile fish flint flowering plants forest formed fossil fossil remains Greek Harrap heat higher highly organized horses human implements insects Iron Age island jaws land layers living mammals mammoth material metal Old Stone Piltdown plants and animals plesiosaur prehistoric present day primitive probably produced protoplasm protozoa Ptolemaic system race regions reptiles resembled rhinoceros rocks round round barrows seeds skeletons skull soil solar system species stage stars Stone Age structure surface survive teeth temperature theory tion to-day trees tribes tropical types vegetable weapons wind woolly rhinoceros
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Стр. 51 - It may metaphorically be said that natural selection is daily and hourly scrutinising, throughout the world, the slightest variations ; rejecting those that are bad, preserving and adding up all that are good; silently and insensibly working, whenever and wherever opportunity offers, at the improvement of each organic being in relation to its organic and inorganic conditions of life.
Стр. 47 - These facts, as will be seen in the latter chapters of this volume, seemed to throw some light on the origin of species — that mystery of mysteries, as it has been called by one of our greatest philosophers.
Стр. 47 - Beagle' as naturalist, I was much struck with certain facts in the distribution of the inhabitants of South America, and in the geological relations of the present to the past inhabitants of that continent. These facts seemed to me to throw some light on the origin of species — that mystery of mysteries, as it has been called by one of our greatest philosophers.
Стр. 47 - On my return home, it occurred to me, in 1837, that something might perhaps be made out on this question by patiently accumulating and reflecting on all sorts of facts which could possibly have any bearing on it. After five years...
Стр. 49 - Owing to this struggle, variations, however slight and from whatever cause proceeding, if they be in any degree profitable to the individuals of a species, in their infinitely complex relations to other organic beings and to their physical conditions of life, will tend to the preservation of such individuals, and will generally be inherited by the offspring.
Стр. 144 - The contents of a native woman's bag are : — A flat stone to pound roots with ; earth to mix with the pounded roots ; quartz, for the purpose of making spears and knives ; stones for hatchets ; prepared cakes of gum, to make and mend weapons, and implements ; kangaroo sinews to make spears and to sew with ; needles made of the shin bones of kangaroos, with which they sew their cloaks, bags, &c...
Стр. 181 - Dialogue concerning the Two Chief Systems of the World, the Ptolemaic and the Copernican, which he dedicated to the Pope.
Стр. 183 - taking mathematicians from the beginning of the world to the time when Newton lived, what he had done was much the better half.
Стр. 141 - IN the days when Bootoolgah, the crane, married Goonur, the kangaroo rat, there was no fire in their country. They had to eat their food raw or just dry it in the sun. One day when Bootoolgah was rubbing two pieces of wood together, he saw a faint spark sent forth and then a slight smoke. "Look," he said to Goonur, "see what comes when I rub these pieces of wood together-smoke!
Стр. 145 - To produce it they take two pieces of dry soft wood, one is a stick about eight or nine inches long, the other piece is flat : The stick they shape into an obtuse point at one end, and pressing it upon the other, turn it nimbly by holding it between both their hands as we do a chocolate mill, often shifting their hands up, and then moving them down upon it, to increase the pressure as much as possible. By this method they get fire in less than two minutes, and from the smallest spark they increase...