Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. 6
... called spontaneous , so that in either case their sexual elements have been in some de- gree differentiated ; and , 2. That the injury from self- fertilization follows from the want of such differentiation in the sexual elements . These ...
... called spontaneous , so that in either case their sexual elements have been in some de- gree differentiated ; and , 2. That the injury from self- fertilization follows from the want of such differentiation in the sexual elements . These ...
Стр. 13
... called the female ; and the other , which is often smaller and more locomotive , may be called the male ; though these sexual names ought hardly to be applied as long as the whole contents of the two forms are blended into one . The ...
... called the female ; and the other , which is often smaller and more locomotive , may be called the male ; though these sexual names ought hardly to be applied as long as the whole contents of the two forms are blended into one . The ...
Стр. 24
... called sleep of leaves is so conspicu- ous a phenomenon that it was observed as early as the time of Pliny ; and since Linnæus pub- lished his famous essay , " Somnus Plantarum , " it has been the subject of several memoirs . Many ...
... called sleep of leaves is so conspicu- ous a phenomenon that it was observed as early as the time of Pliny ; and since Linnæus pub- lished his famous essay , " Somnus Plantarum , " it has been the subject of several memoirs . Many ...
Стр. 69
... called pityriasis versicolor ; " the disease , strictly limited to the males of the family ( though transmitted through the females ) , usually ap- peared at puberty , and disappeared at about the age of forty or forty - five years ...
... called pityriasis versicolor ; " the disease , strictly limited to the males of the family ( though transmitted through the females ) , usually ap- peared at puberty , and disappeared at about the age of forty or forty - five years ...
Стр. 78
... called an incipient species ; but whether this be- lief is justifiable must be judged by the weight of the various facts and considerations to be given throughout this work . It need not be supposed that all varieties or incipient ...
... called an incipient species ; but whether this be- lief is justifiable must be judged by the weight of the various facts and considerations to be given throughout this work . It need not be supposed that all varieties or incipient ...
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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