Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. 35
... bird's - nest orchis ( Neot- tia ) , etc. Lastly , there is the well - known fourth class of parasites ( such as the mistletoe ) , which are nourished by the juices of living plants . Most , however , of the plants belonging to these ...
... bird's - nest orchis ( Neot- tia ) , etc. Lastly , there is the well - known fourth class of parasites ( such as the mistletoe ) , which are nourished by the juices of living plants . Most , however , of the plants belonging to these ...
Стр. 50
... birds seldom take flight , except to escape danger , it is probable that the nearly wingless condition of several birds , now inhabiting or which lately inhabited several oceanic islands , tenanted by no beast of prey , has been caused ...
... birds seldom take flight , except to escape danger , it is probable that the nearly wingless condition of several birds , now inhabiting or which lately inhabited several oceanic islands , tenanted by no beast of prey , has been caused ...
Стр. 54
... birds breed- ing on precipices , and good fliers , are unlikely to be ex- terminated ; and the common rock - pigeon , which has the same habits with the domestic breeds , has not been exter- minated even on several of the smaller ...
... birds breed- ing on precipices , and good fliers , are unlikely to be ex- terminated ; and the common rock - pigeon , which has the same habits with the domestic breeds , has not been exter- minated even on several of the smaller ...
Стр. 75
... bird of all fantails had only fourteen tail - feathers somewhat expanded , like the present Java fantail , or like individuals of other and distinct breeds , in which as many as seventeen tail - feath- ers have been counted . Perhaps ...
... bird of all fantails had only fourteen tail - feathers somewhat expanded , like the present Java fantail , or like individuals of other and distinct breeds , in which as many as seventeen tail - feath- ers have been counted . Perhaps ...
Стр. 83
... bird in the world . One fly deposits hundreds of eggs , and another , like the Hippobosca , a single one ; but this difference does not determine how many individuals of the two species can be supported in a district . A large number of ...
... bird in the world . One fly deposits hundreds of eggs , and another , like the Hippobosca , a single one ; but this difference does not determine how many individuals of the two species can be supported in a district . A large number of ...
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Darwinism stated by Darwin himself: Characteristic passages from the ... Charles Darwin Ограниченный просмотр - 2023 |
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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