The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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... whole may find a welcome . With the exception of the Ecclesiastico - political question , no sphere of thought agitates the educated classes of our day so profoundly as the doctrine of de- scent . On both subjects the cry is , " Avow ...
... whole may find a welcome . With the exception of the Ecclesiastico - political question , no sphere of thought agitates the educated classes of our day so profoundly as the doctrine of de- scent . On both subjects the cry is , " Avow ...
Стр. 6
... whole theory of life . Here too that has happened to many , which so often happens in ques- tions the difficulties of which are veiled by an apparent general familiarity . Every one thinks himself capable of deciding about life , and ...
... whole theory of life . Here too that has happened to many , which so often happens in ques- tions the difficulties of which are veiled by an apparent general familiarity . Every one thinks himself capable of deciding about life , and ...
Стр. 7
... whole ramified and complicated problem of the doctrine of Descent , and its foundation by Darwin , and to enable him to understand its cardinal points . But we must first dispose of a preliminary question of uni- versal importance and ...
... whole ramified and complicated problem of the doctrine of Descent , and its foundation by Darwin , and to enable him to understand its cardinal points . But we must first dispose of a preliminary question of uni- versal importance and ...
Стр. 12
... whole , it does as much as any other ingenious theory has done ; it interprets by a single prin- ciple those great phenomena which without its aid remain a mass of unintelligible miracles . In a word , it raises the knowledge of organic ...
... whole , it does as much as any other ingenious theory has done ; it interprets by a single prin- ciple those great phenomena which without its aid remain a mass of unintelligible miracles . In a word , it raises the knowledge of organic ...
Стр. 20
... whole intestinal canal , incited the glandular cells and the muscular fibres to their offices , and glided along the nerves , now scarcely knows where to breed disturbance . Thus the investigation of nature does not shrink from ...
... whole intestinal canal , incited the glandular cells and the muscular fibres to their offices , and glided along the nerves , now scarcely knows where to breed disturbance . Thus the investigation of nature does not shrink from ...
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according adaptation already Ammonites Amphibians animal world apes appearance Ascidian become birds brain carboniferous causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryonic Eocene exhibit existence 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 Insectivora intermediate forms islands lancelet language larva larvæ likewise linguistic 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 strata structure systematic terrestrial animals Tertiary theory of selection tion transformation transition true Ungulata Ungulates varieties vertebral column Vertebrata vertebrate animals whole
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Стр. 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...
Стр. 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.