The Doctrine of Descent and Darwinism |
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according adaptation already Ammonites Amphibians animal world apes appearance Ascidians birds bone brain causes Cetacea character characteristics comparative anatomy complete connection continent Darwin definite dentition derivation divergent division doctrine of Descent Echinoderms embryo Eocene exhibit existence external facts families fauna fish formation fossil gemmules genera genus geological Goethe grade gradually groups Haeckel heredity higher horse human hypothesis idea individual infer intermediate forms investigation islands lancelet language larva larvæ likewise linguistic lower mammals Marsupials Medusa ment merely metamorphosis modifications morphological natural selection naturalist observation Oolite organisms origin Origin of Species ovum peculiar pedigree perfect period phase phenomena placenta plants polypes possess present primordial progenitors races regard relations remains reproduction reptiles Rütimeyer says scarcely separate sexual skull species sponges strata structure systematic terrestrial animals theory of selection tion transformation Ungulata varieties vegetal vertebral column Vertebrata vertebrate animals whole
Popular passages
Page 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...
Page 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.
Page 108 - Alle Gestalten sind ähnlich, und keine gleichet der andern; Und so deutet der Chor auf ein geheimes Gesetz, Auf ein heiliges Rätsel.