Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - 351 من الصفحات |
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الصفحة xv
... Inhabitants of the World 337 The Extinction of Species involved in Mystery 338 Dead Links between Living Species 340 Living Descendants of Fossil Species 342 Unnecessary to explain the Cause of each Individual Difference 343 " Face to ...
... Inhabitants of the World 337 The Extinction of Species involved in Mystery 338 Dead Links between Living Species 340 Living Descendants of Fossil Species 342 Unnecessary to explain the Cause of each Individual Difference 343 " Face to ...
الصفحة 52
... inhabitants of Switzerland cultivated several kinds of wheat and barley , the pea , the poppy for oil , and flax ; and they possessed several domesticated animals . They also carried on commerce with other nations . All this clearly ...
... inhabitants of Switzerland cultivated several kinds of wheat and barley , the pea , the poppy for oil , and flax ; and they possessed several domesticated animals . They also carried on commerce with other nations . All this clearly ...
الصفحة 62
... inhabitants of each land , hav- Page 326. ing found out by many and hard trials what plants were useful , or could be rendered useful by various cooking processes , would after a time take the first step in cultivation by planting them ...
... inhabitants of each land , hav- Page 326. ing found out by many and hard trials what plants were useful , or could be rendered useful by various cooking processes , would after a time take the first step in cultivation by planting them ...
الصفحة 87
... inhabitants , the other species must decrease . When we travel southward and see a species decreasing in numbers , we may feel sure that the cause lies quite as much in other species being favored as in this one being hurt . So it is ...
... inhabitants , the other species must decrease . When we travel southward and see a species decreasing in numbers , we may feel sure that the cause lies quite as much in other species being favored as in this one being hurt . So it is ...
الصفحة 94
... inhabitants of the world should appear in a certain order and in certain areas ; that he has impressed on them the most extraordinary resemblances , and has classed them in groups subordinate to groups . But by such statements we gain ...
... inhabitants of the world should appear in a certain order and in certain areas ; that he has impressed on them the most extraordinary resemblances , and has classed them in groups subordinate to groups . But by such statements we gain ...
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طبعات أخرى - عرض جميع المقتطفات
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.