Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. 17
... varieties in the United States consist of three forms , namely , females , which produce a heavy crop of fruit ; of hermaphrodites , which " seldom produce other than a very scanty crop of inferior and imperfect berries " ; and of males ...
... varieties in the United States consist of three forms , namely , females , which produce a heavy crop of fruit ; of hermaphrodites , which " seldom produce other than a very scanty crop of inferior and imperfect berries " ; and of males ...
Стр. 21
... varieties which had their ovaria less and less twisted ; but , if the plant only afforded varieties with the ovarium more twisted , THE MOVEMENTS AND HABITS OF PLANTS . 21 An Illustration ·
... varieties which had their ovaria less and less twisted ; but , if the plant only afforded varieties with the ovarium more twisted , THE MOVEMENTS AND HABITS OF PLANTS . 21 An Illustration ·
Стр. 22
Characteristic Passages from the Writings of Charles Darwin Charles Darwin. plant only afforded varieties with the ovarium more twisted , the same end could be attained by the selection of such variations , until the flower was turned ...
Characteristic Passages from the Writings of Charles Darwin Charles Darwin. plant only afforded varieties with the ovarium more twisted , the same end could be attained by the selection of such variations , until the flower was turned ...
Стр. 49
... varieties to drop off ; and one of the " crackers " ( i . e . , Virginia squatters ) added , " We select the black members of a litter for rais- ing , as they alone have a good chance of living . " Hair- less dogs have imperfect teeth ...
... varieties to drop off ; and one of the " crackers " ( i . e . , Virginia squatters ) added , " We select the black members of a litter for rais- ing , as they alone have a good chance of living . " Hair- less dogs have imperfect teeth ...
Стр. 53
... varieties , and have not pro- ceeded from the rock - pigeon , they must have descended from at least seven or eight aboriginal stocks ; for it is impossible to make the present domestic breeds by the crossing of any lesser number : how ...
... varieties , and have not pro- ceeded from the rock - pigeon , they must have descended from at least seven or eight aboriginal stocks ; for it is impossible to make the present domestic breeds by the crossing of any lesser number : how ...
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Darwinism stated by Darwin himself: Characteristic passages from the ... Charles Darwin Ограниченный просмотр - 2023 |
Часто встречающиеся слова и выражения
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