Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. iv
... followed in the arrangement of these ex- tracts is not that of the books , but the one naturally suggested by our plan , which is designed to conduct the reader through the vegetable up to the animal kingdom , and up from the lowest to ...
... followed in the arrangement of these ex- tracts is not that of the books , but the one naturally suggested by our plan , which is designed to conduct the reader through the vegetable up to the animal kingdom , and up from the lowest to ...
Стр. 7
... followed by disease . We have abundant evidence how susceptible the reproductive system is to changed conditions , in the many instances of animals ren- dered sterile by confinement ; so that they will not unite , or , if they unite ...
... followed by disease . We have abundant evidence how susceptible the reproductive system is to changed conditions , in the many instances of animals ren- dered sterile by confinement ; so that they will not unite , or , if they unite ...
Стр. 12
... followed the same habits of life . Nor can I see reason to doubt that the widely different habits of life of men and women in civilized nations , especially among the upper classes , would tend to counterbalance any evil from marriages ...
... followed the same habits of life . Nor can I see reason to doubt that the widely different habits of life of men and women in civilized nations , especially among the upper classes , would tend to counterbalance any evil from marriages ...
Стр. 47
... followed either methodically and intentionally , or unconsciously and unin- tentionally . Man may select and preserve each successive variation , with the distinct intention of improving and altering a breed , in accordance with a ...
... followed either methodically and intentionally , or unconsciously and unin- tentionally . Man may select and preserve each successive variation , with the distinct intention of improving and altering a breed , in accordance with a ...
Стр. 67
... followed exactly the same habit , though an at- tempt was made to cure her . I will give one instance which has fallen under my own observation , and which is curious from being a trick associated with a peculiar state of mind , namely ...
... followed exactly the same habit , though an at- tempt was made to cure her . I will give one instance which has fallen under my own observation , and which is curious from being a trick associated with a peculiar state of mind , namely ...
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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