Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. 39
... remains . The transverse rows of hairs are so numerous that they seem superfluous merely for the sake of pre- venting the escape of prey , and , as they are thin and delicate , they probably serve as additional absorbents , in the same ...
... remains . The transverse rows of hairs are so numerous that they seem superfluous merely for the sake of pre- venting the escape of prey , and , as they are thin and delicate , they probably serve as additional absorbents , in the same ...
Стр. 42
... remains have been preserved ; though no doubt the worms have in these cases been largely aided by earth washed and blown from the adjoining land , especially when culti- vated . The old tesselated pavements have , however , often ...
... remains have been preserved ; though no doubt the worms have in these cases been largely aided by earth washed and blown from the adjoining land , especially when culti- vated . The old tesselated pavements have , however , often ...
Стр. 55
... remains have been found in the later tertiary deposits more like those of a large dog than of a wolf , which favors the belief of De Blainville that our dogs are the descendants of a single extinct species . On the other hand , some ...
... remains have been found in the later tertiary deposits more like those of a large dog than of a wolf , which favors the belief of De Blainville that our dogs are the descendants of a single extinct species . On the other hand , some ...
Стр. 56
... remains of extinct animals , in districts which have since undergone great geographical changes , that man has existed for an incomparably longer period , and bearing in mind that the most barbarous nations possess domestic dogs , the ...
... remains of extinct animals , in districts which have since undergone great geographical changes , that man has existed for an incomparably longer period , and bearing in mind that the most barbarous nations possess domestic dogs , the ...
Стр. 57
... Remains of this animal in a domesticated con- dition have been found in the Swiss lake - dwell- ings , belonging to the Neolithic period . At the present time the number of breeds is great , as may be seen by consulting any treatise on ...
... Remains of this animal in a domesticated con- dition have been found in the Swiss lake - dwell- ings , belonging to the Neolithic period . At the present time the number of breeds is great , as may be seen by consulting any treatise on ...
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Часто встречающиеся слова и выражения
acid acquired action adapted admit allied animals apes appear become believe birds body breeds cause character climate closely compared cotyledons crossed degree descended developed distinct species disuse domestic doubt early effects eggs embryo existence extinct eyes fact female fertilization forms gemmules genera genus geotropism Glacial habits hairs hermaphrodites highly horses increase individuals inhabitants inherited insects instance instincts islands kinds labellum lancelet larvæ leaves less living lower animals Malaxis paludosa males mammals manner mental millimetre modified monkeys movements muscles natural selection naturalists observed occasionally offspring organs Origin of Species ovules papillæ parent peculiar period pigeon plants points pollen pollinium possess present prey probably produced progenitors Quadrumana quadrupeds races radicles remarkable resemble rudimentary savages seedlings seeds seems sexes sexual elements sexual selection slight structure suppose surface tend tendency tion transmitted utricle variability variations varieties various vertebræ whole wild worms young