The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 5
... represented man as first acquiring reason and becoming man , by means of language proceeding from primitive rudi- ments , they were , nevertheless , satisfied to assume the privileged position of man as an absolute endowment , or a self ...
... represented man as first acquiring reason and becoming man , by means of language proceeding from primitive rudi- ments , they were , nevertheless , satisfied to assume the privileged position of man as an absolute endowment , or a self ...
Стр. 16
... no real knowledge . In the attempt to comprehend the constant , to which the mutations in * Du gleichst dem Geist , den du begreifst . ATOMS IDEALLY REPRESENTED . 17 the material world may be 16 THE DOCTRINE OF DESCENT .
... no real knowledge . In the attempt to comprehend the constant , to which the mutations in * Du gleichst dem Geist , den du begreifst . ATOMS IDEALLY REPRESENTED . 17 the material world may be 16 THE DOCTRINE OF DESCENT .
Стр. 17
... represented under various material forms , spherical , cubical , & c .; furthermore , that in their combinations and co - operations as bodies , they must be contemplated as surrounded by a rarefied atmosphere of an universally diffused ...
... represented under various material forms , spherical , cubical , & c .; furthermore , that in their combinations and co - operations as bodies , they must be contemplated as surrounded by a rarefied atmosphere of an universally diffused ...
Стр. 31
... represents a FIG . 2 . Medusa , Tiaropsis Diadema , after Agassiz . The darkly- shaded organs form the so - called cœlenteric apparatus . Of the Echinoderms , the reader is probably ac- quainted , at least with the star - fish ...
... represents a FIG . 2 . Medusa , Tiaropsis Diadema , after Agassiz . The darkly- shaded organs form the so - called cœlenteric apparatus . Of the Echinoderms , the reader is probably ac- quainted , at least with the star - fish ...
Стр. 34
... represented it , that in the actual forms the ground plan , or " ideal types , " find very diversified expression . A further result of this descriptive inquiry is the TREE - LIKE GROUPING . 35 tree - like grouping 34 THE DOCTRINE OF ...
... represented it , that in the actual forms the ground plan , or " ideal types , " find very diversified expression . A further result of this descriptive inquiry is the TREE - LIKE GROUPING . 35 tree - like grouping 34 THE DOCTRINE OF ...
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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
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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 - 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.
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.