Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - 351 من الصفحات |
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الصفحة viii
... caused by the action of his laws . " -Origin of Species , page 422 . " I am at the head of a college where to declare against it [ evolution ] would perplex my best students . They would ask me which to give up , science or the Bible ...
... caused by the action of his laws . " -Origin of Species , page 422 . " I am at the head of a college where to declare against it [ evolution ] would perplex my best students . They would ask me which to give up , science or the Bible ...
الصفحة ix
... Causes of Sterility among Plants An " Ideal Type " or Inevitable Modification Special Adaptations to a Changing Purpose An Illustration 14 15 16 17 18 19 21 As interesting on the Theory of Development as on that of Direct Interposition ...
... Causes of Sterility among Plants An " Ideal Type " or Inevitable Modification Special Adaptations to a Changing Purpose An Illustration 14 15 16 17 18 19 21 As interesting on the Theory of Development as on that of Direct Interposition ...
الصفحة x
... Causes of Modifications in the Horse 58 " Making the Works of God a mere Mockery " 59 Variability of Cultivated Plants 61 Savage Wisdom in the Cultivation of Plants 62 Unknown Laws of Inheritance 64 Laws of Inheritance that are fairly ...
... Causes of Modifications in the Horse 58 " Making the Works of God a mere Mockery " 59 Variability of Cultivated Plants 61 Savage Wisdom in the Cultivation of Plants 62 Unknown Laws of Inheritance 64 Laws of Inheritance that are fairly ...
الصفحة xi
... Causes of a Glacial Climate 123 Difficulties not yet removed 124 Identity of the Species of Islands with those of the Mainland ex- plained only by this Theory 125 VII . EVIDENCE OF THE DESCENT OF MAN FROM SOME LOWER FORM . Points of ...
... Causes of a Glacial Climate 123 Difficulties not yet removed 124 Identity of the Species of Islands with those of the Mainland ex- plained only by this Theory 125 VII . EVIDENCE OF THE DESCENT OF MAN FROM SOME LOWER FORM . Points of ...
الصفحة xii
... Causes of Variability in Domesticated Man 153 Action of Changed Conditions 155 The Inherited Effects of the Increased and Diminished Use of Parts . 156 Reversion as a Factor in the Development of Man 158 Reversion in the Human Family ...
... Causes of Variability in Domesticated Man 153 Action of Changed Conditions 155 The Inherited Effects of the Increased and Diminished Use of Parts . 156 Reversion as a Factor in the Development of Man 158 Reversion in the Human Family ...
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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.