The Doctrine of Descent and DarwinismD. Appleton, 1875 - 334 من الصفحات |
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الصفحة
... ANIMAL WORLD IN ITS PRESENT STATE 24 III . THE PHENOMENA OF REPRODUCTION IN THE ANIMAL WORLD . 39 IV THE ANIMAL WORLD IN ITS HISTORICAL AND PALEONTOLOGICAL DEVELOPMENT V. THE STANDPOINT OF THE MIRACULOUS , AND THE INVESTIGATION OF ...
... ANIMAL WORLD IN ITS PRESENT STATE 24 III . THE PHENOMENA OF REPRODUCTION IN THE ANIMAL WORLD . 39 IV THE ANIMAL WORLD IN ITS HISTORICAL AND PALEONTOLOGICAL DEVELOPMENT V. THE STANDPOINT OF THE MIRACULOUS , AND THE INVESTIGATION OF ...
الصفحة 7
... life would be utterly vain and hopeless . But if the possibility of investigating life and its origin be not ... animal world . If I say then that we must obtain a foundation for the theory of derivation or descent , for the ...
... life would be utterly vain and hopeless . But if the possibility of investigating life and its origin be not ... animal world . If I say then that we must obtain a foundation for the theory of derivation or descent , for the ...
الصفحة 8
... animal world is , that it consists of apparently innumerable forms . The primary requirement is discrimination and arrange- ment . In the first stages of their development , zoology , as well as botany and mineralogy , necessarily ...
... animal world is , that it consists of apparently innumerable forms . The primary requirement is discrimination and arrange- ment . In the first stages of their development , zoology , as well as botany and mineralogy , necessarily ...
الصفحة 11
... animal world . This connection requires a scientific solution , a reduction to causes , and this all the more urgently be- cause their relations , though as yet hidden , are rendered more probable by a third series of phenomena , the ...
... animal world . This connection requires a scientific solution , a reduction to causes , and this all the more urgently be- cause their relations , though as yet hidden , are rendered more probable by a third series of phenomena , the ...
الصفحة 20
... animal body by the respi- ration , with the un - oxygenated constituents of ... world of the comprehensible . We are foiled only at the conception of matter ... world . " And yet , " Dubois - Reymond thus formulates another limit ...
... animal body by the respi- ration , with the un - oxygenated constituents of ... world of the comprehensible . We are foiled only at the conception of matter ... world . " And yet , " Dubois - Reymond thus formulates another limit ...
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عبارات ومصطلحات مألوفة
according adaptation already Ammonites Amphibians animal world apes appearance Ascidian become birds brain causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryonic Eocene exhibit external facts families fauna fish formation fossil Ganoids Gastrula genera genus geological Goethe grade gradually groups Haeckel heredity higher horse human hypothesis idea individual infer intermediate forms islands lancelet language larva larvæ likewise linguistic Linnæus lower mammals Marsupials Medusa ment merely metamorphosis modifications morphological mutability natural selection observation Oolite organisms origin peculiar pedigree perfect period phase phenomena placenta plants polypes possess present primordial progenitors races relations remains reproduction reptiles resemblance Rütimeyer says scarcely scientific separate sexual Silurian skull species sponges strata structure systematic terrestrial animals Tertiary theory of selection tion transformation transition true Ungulata Ungulates varieties vegetal vertebral column Vertebrata vertebrate animals whole
مقاطع مشهورة
الصفحة 162 - 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.18 Darwin always knew that his views would be controversial. A few days before The Origin of Species appeared, Darwin wrote, in a letter to Wallace, 'God knows what...
الصفحة 160 - I had not formerly sufficiently considered the existence of many structures which appear to be, as far as we can judge, neither beneficial nor injurious ; and this I believe to be one of the greatest oversights as yet detected in my work.
الصفحة 160 - Na'geli on plants, and the remarks by various authors with respect to animals, more especially those recently made by Professor Broca, that in the earlier editions of my Origin of Species I perhaps attributed too much to the action of natural selection or the survival of the fittest.