Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - 351 من الصفحات |
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الصفحة ix
... Existence among Seeds 9 Practical Application of these Views . 9 Marriages of First Cousins 11 Development of the Two Sexes in Plants 12 Why the Sexes have been reseparated Comparative Fertility of Male and Female Plants Effect of ...
... Existence among Seeds 9 Practical Application of these Views . 9 Marriages of First Cousins 11 Development of the Two Sexes in Plants 12 Why the Sexes have been reseparated Comparative Fertility of Male and Female Plants Effect of ...
الصفحة x
... EXISTENCE . Death inevitable in the Fight for Life 82 " Inexplicable on the Theory of Creation " 84 Obscure Checks to Increase 85 Climate as a Check to Increase 86 Influence of Insects in the Struggle for Existence 88 No such Thing ...
... EXISTENCE . Death inevitable in the Fight for Life 82 " Inexplicable on the Theory of Creation " 84 Obscure Checks to Increase 85 Climate as a Check to Increase 86 Influence of Insects in the Struggle for Existence 88 No such Thing ...
الصفحة xiii
... Existence . 233 XI . SEXUAL SELECTION AS AN AGENCY TO ACCOUNT FOR THE DIFFERENCES BETWEEN THE RACES OF MAN . Struggle of the Males for the Possession of the Females 236 Courtship among the Lower Animals 237 Why the Male plays the more ...
... Existence . 233 XI . SEXUAL SELECTION AS AN AGENCY TO ACCOUNT FOR THE DIFFERENCES BETWEEN THE RACES OF MAN . Struggle of the Males for the Possession of the Females 236 Courtship among the Lower Animals 237 Why the Male plays the more ...
الصفحة 8
... , dry or moist place , or from a different kind of soil containing other organic seeds or inorganic matter . THE STRUGGLE FOR EXISTENCE AMONG SEEDS . Seeds often lie 8 DARWINISM STATED BY DARWIN HIMSELF . Experiments in Crossing.
... , dry or moist place , or from a different kind of soil containing other organic seeds or inorganic matter . THE STRUGGLE FOR EXISTENCE AMONG SEEDS . Seeds often lie 8 DARWINISM STATED BY DARWIN HIMSELF . Experiments in Crossing.
الصفحة 9
Characteristic Passages from the Writings of Charles Darwin Charles Darwin. THE STRUGGLE FOR EXISTENCE AMONG SEEDS . Seeds often lie dormant for several years Page 449 . in ... Existence among Seeds Practical Application of these Views.
Characteristic Passages from the Writings of Charles Darwin Charles Darwin. THE STRUGGLE FOR EXISTENCE AMONG SEEDS . Seeds often lie dormant for several years Page 449 . in ... Existence among Seeds Practical Application of these Views.
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عبارات ومصطلحات مألوفة
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 increase individuals inhabitants inherited insects instance intermediate islands kind labellum lancelet language larvæ laws 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
مقاطع مشهورة
الصفحة i - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
الصفحة 347 - It is interesting to contemplate an entangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent upon each other in so complex a manner, have all been produced by laws acting around us.
الصفحة 110 - To suppose that the eye, with all its inimitable contrivances for adjusting the focus to different distances, for admitting different amounts of light, and for the correction of spherical and chromatic aberration, could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree.
الصفحة 72 - The key is man's power of accumulative selection: nature gives successive variations; man adds them up in certain directions useful to him. In this sense he may be said to have made for himself useful breeds.
الصفحة 254 - It is incredible that all these facts should speak falsely. He who is not content to look, like a savage, at the phenomena of nature as disconnected, cannot any longer believe that man is the work of a separate act of creation.
الصفحة 44 - It may be doubted whether there are many other animals which have played so important a part in the history of the world, as have these lowly organised creatures.
الصفحة 308 - But as my conclusions have lately been much misrepresented, and it has been stated that I attribute the modification of species exclusively to natural selection, I may be permitted to remark that in the first edition of this work, and subsequently, I placed in a most conspicuous position — namely, at the close of the Introduction — the following words: "I am convinced that natural selection has been the main but not thé exclusive means of modification.