Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. 4
... reasons already assigned , I can not believe that this explanation applies to the rapid movements from a delicate touch . Finally , climbing plants are sufficiently numerous to form a conspicuous feature in the vegetable kingdom , more ...
... reasons already assigned , I can not believe that this explanation applies to the rapid movements from a delicate touch . Finally , climbing plants are sufficiently numerous to form a conspicuous feature in the vegetable kingdom , more ...
Стр. 12
... 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 between healthy and somewhat closely related ...
... 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 between healthy and somewhat closely related ...
Стр. 17
... reason to be- lieve that the sterility of these unions has not been spe- cially acquired , but follows as an incidental result from the sexual elements of the two or three forms having been adapted to act on one another in a particular ...
... reason to be- lieve that the sterility of these unions has not been spe- cially acquired , but follows as an incidental result from the sexual elements of the two or three forms having been adapted to act on one another in a particular ...
Стр. 64
... reason why a peculiarity should appear at any particular age , yet that it does tend to appear in the offspring at the same period at which it first appeared in the parent . I believe this rule to be of the highest importance in ...
... reason why a peculiarity should appear at any particular age , yet that it does tend to appear in the offspring at the same period at which it first appeared in the parent . I believe this rule to be of the highest importance in ...
Стр. 73
... reason to believe that King Charles's spaniel has been unconsciously modified to a large extent since the time of that monarch . Some highly competent authori- ties are convinced that the setter is directly derived from the spaniel ...
... reason to believe that King Charles's spaniel has been unconsciously modified to a large extent since the time of that monarch . Some highly competent authori- ties are convinced that the setter is directly derived from the spaniel ...
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acquired action admit allied apes appear Asa Gray become believe birds blush body breeds Catarrhine cause characters closely Cloth Darwin degree descended developed distinct species domestic doubt early effects eggs existence expression extinct eyes fact favorable feel females fertilization forms gemmules genera geotropism habit hair HERBERT SPENCER hermaphrodites highly horse Illustrations increase individuals inhabitants inherited insects instance intermediate islands kind labellum lancelet language larvæ less living lower animals males mammals manner ment mental mind modified monkeys movements muscles natural selection naturalists observed offspring organic Origin of Species papillæ parent peculiar period plants pollen possess present principle probably produced Professor progenitors Quadrumana quadrupeds races remarkable resemble rudimentary savages seeds seems seen sexes sexual selection slight South America structure suppose T. H. HUXLEY tend tendency tion transmitted utricle variability variations varieties various vertebræ whole wild worms young