Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - 351 من الصفحات |
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الصفحة 131
... ape , while the latter departs as much from the dog in its de- velopments as the man does . Startling as this last asser- tion may appear to be , it is demonstrably true . " THE FACTS OF EMBRYOLOGY AND THE THEORY OF DE- Origin of ...
... ape , while the latter departs as much from the dog in its de- velopments as the man does . Startling as this last asser- tion may appear to be , it is demonstrably true . " THE FACTS OF EMBRYOLOGY AND THE THEORY OF DE- Origin of ...
الصفحة 147
... apes which come nearest to him are destitute of this organ , its disappearance does not relate exclusively to man . The tail often differs remarkably in length within the same genus : thus in some DESCENT OF MAN FROM SOME LOWER FORM ...
... apes which come nearest to him are destitute of this organ , its disappearance does not relate exclusively to man . The tail often differs remarkably in length within the same genus : thus in some DESCENT OF MAN FROM SOME LOWER FORM ...
الصفحة 148
... apes , and is constructed on exactly the same pattern in both . In the terminal por- tion the vertebræ , constituting the os coccyx , are quite rudimentary , being much reduced in size and number . In the basal portion , the vertebræ ...
... apes , and is constructed on exactly the same pattern in both . In the terminal por- tion the vertebræ , constituting the os coccyx , are quite rudimentary , being much reduced in size and number . In the basal portion , the vertebræ ...
الصفحة 149
... apes . This conclusion is the more trustworthy , as Broca formerly held a different view , which he has now aban- doned . The modification , therefore , of the basal caudal vertebræ in man and the higher apes may have been ef- fected ...
... apes . This conclusion is the more trustworthy , as Broca formerly held a different view , which he has now aban- doned . The modification , therefore , of the basal caudal vertebræ in man and the higher apes may have been ef- fected ...
الصفحة 151
... apes in the above and many other points such as in having a naked forehead , long tresses on the head , etc. -are all necessarily the result of unbroken inheritance from a common pro- genitor , or of subsequent reversion . Many of these ...
... apes in the above and many other points such as in having a naked forehead , long tresses on the head , etc. -are all necessarily the result of unbroken inheritance from a common pro- genitor , or of subsequent reversion . Many of these ...
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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.