The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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... recently said , a definite deci- sion has to be made between two fundamental alter- natives . May our exposition afford a lucid testimony to this dictum of one of the patriarchs of the philo- sophical view of nature . STRASBURG ...
... recently said , a definite deci- sion has to be made between two fundamental alter- natives . May our exposition afford a lucid testimony to this dictum of one of the patriarchs of the philo- sophical view of nature . STRASBURG ...
Стр. 4
... recent and known lan- , guages . And when , in the middle of last century , the two opinions , that language was invented or revealed , were sharply opposed to each other , and when Süssmilch ( 1764 ) , in contradiction to Maupertuis ...
... recent and known lan- , guages . And when , in the middle of last century , the two opinions , that language was invented or revealed , were sharply opposed to each other , and when Süssmilch ( 1764 ) , in contradiction to Maupertuis ...
Стр. 5
... recently , the world became aware that the word " affinity , " hitherto uttered with supreme indifference , was henceforth to be taken seriously and literally , since that which is akin is also the fruit of one and the same tree , a ...
... recently , the world became aware that the word " affinity , " hitherto uttered with supreme indifference , was henceforth to be taken seriously and literally , since that which is akin is also the fruit of one and the same tree , a ...
Стр. 25
... recently comprised under the name Protista , we see the pro- cesses of metamorphosis of tissue , nutrition , and repro- duction taking place , indeed , but in a manner so simple and undifferentiated , that we too must attribute to these ...
... recently comprised under the name Protista , we see the pro- cesses of metamorphosis of tissue , nutrition , and repro- duction taking place , indeed , but in a manner so simple and undifferentiated , that we too must attribute to these ...
Стр. 42
... recently shown in Madrepores and Fungiform corals . This brings us to the highly - important phenomenon of Alternate Generation , which we must elucidate by a few examples before entering upon the nature of sexual reproduction . Figure ...
... recently shown in Madrepores and Fungiform corals . This brings us to the highly - important phenomenon of Alternate Generation , which we must elucidate by a few examples before entering upon the nature of sexual reproduction . Figure ...
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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.