Studies in History of Biology, Выпуск 3William R. Coleman, Camille Limoges Johns Hopkins University Press, 1979 |
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Стр. 122
... causes to rebut Lyell's contention that past and present modes of change can- not differ ( Fig . 1 ) . " Ces causes sont identiques comme la cause qui produit le beautemps est identique avec celle qui produit la tempête , sans que par ...
... causes to rebut Lyell's contention that past and present modes of change can- not differ ( Fig . 1 ) . " Ces causes sont identiques comme la cause qui produit le beautemps est identique avec celle qui produit la tempête , sans que par ...
Стр. 126
... causes . Agassiz was confident that glaciers had once extended beyond their present limits , because he found large areas of bedrock scratched in a manner that ( so far as we know ) only arises as a result of glacial action today . But ...
... causes . Agassiz was confident that glaciers had once extended beyond their present limits , because he found large areas of bedrock scratched in a manner that ( so far as we know ) only arises as a result of glacial action today . But ...
Стр. 132
... causes pro- ducing these convulsions have operated at successive periods , not blindly and at random , but with a direction to beneficial ends . " 23 The secondary ( efficient ) causes themselves do not change . B. Uniformity of Process ...
... causes pro- ducing these convulsions have operated at successive periods , not blindly and at random , but with a direction to beneficial ends . " 23 The secondary ( efficient ) causes themselves do not change . B. Uniformity of Process ...
Содержание
The Vicissitudes | 23 |
Animal Heat as a Biological | 67 |
Louis Agassiz and the Species Question MARY PICKARD WINSOR | 89 |
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acquired characters Agassiz animal heat appeared asexual believed Bergmann Bergmann's Rule biological biologists breeding catastrophists cells century Charles Darwin concept Darwin Darwinian discussion Dobzhansky Ernst Mayr Essay eugenics evidence evolution evolutionary Ewart experimental experimentalists experiments explain F. B. Sumner fact factors fertilization fish forms gene pool geneticists genotype genotype-phenotype distinction genus geographic isolation geographical races geology Göttingen hereditary heredity homoiotherms Ibid ideas important individual inheritance of acquired Johannsen's Journal Kol'tsov Leuckart Lord Morton's Louis Agassiz Lyell male Mayr's Mendel mutations natural populations natural selection naturalists offspring organism Origin of Species Owen parthenogenesis Peromyscus phenomenon phenotype phyletic physiology plants population genetics principle problem produced published role scientific Scripps sexual reproduction Siebold Soviet specimens spermatozoa Steenstrup subspecies sympatric speciation systematics taxonomic telegony temperature term gene fund term gene pool theory tion uniformitarianism University variability variations Wagner Wärmeökonomie Weismann Zoology