Darwiniana: EssaysD. Appleton, 1901 - 475페이지 |
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7 페이지
... suppose à priori that every country must be naturally peopled by those animals that are fittest to live and thrive in it . And yet how , on this hypothesis , are we to account for the absence of cattle in the Pampas of South America ...
... suppose à priori that every country must be naturally peopled by those animals that are fittest to live and thrive in it . And yet how , on this hypothesis , are we to account for the absence of cattle in the Pampas of South America ...
8 페이지
... suppose that what we see is all that can be known of it . But our knowledge of life is not confined to the existing world . Whatever their minor differences , geologists are agreed as to the vast thickness of the accumulated strata ...
... suppose that what we see is all that can be known of it . But our knowledge of life is not confined to the existing world . Whatever their minor differences , geologists are agreed as to the vast thickness of the accumulated strata ...
18 페이지
... Suppose that in the midst of this in- cessant competition some individuals of a species ( A ) present accidental variations which happen to fit them a little better than their fellows for the struggle in which they are engaged , then ...
... Suppose that in the midst of this in- cessant competition some individuals of a species ( A ) present accidental variations which happen to fit them a little better than their fellows for the struggle in which they are engaged , then ...
57 페이지
... suppose we prefer to admit our ignorance rather than adopt a hypothesis at variance with all the teach- ings of Nature ? Or , suppose for a moment we admit the explanation , and then seriously ask ourselves how much the wiser are we ...
... suppose we prefer to admit our ignorance rather than adopt a hypothesis at variance with all the teach- ings of Nature ? Or , suppose for a moment we admit the explanation , and then seriously ask ourselves how much the wiser are we ...
78 페이지
... suppose that the value of that work depends wholly on the ultimate justification of the theoretical views which it contains . On the con- trary , if they were disproved to - morrow , the book would still be the best of its kind - the ...
... suppose that the value of that work depends wholly on the ultimate justification of the theoretical views which it contains . On the con- trary , if they were disproved to - morrow , the book would still be the best of its kind - the ...
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adapted admit Agamogenesis Ancon animalcules animals and plants appears believe biology birds body called causes character Charles Darwin course creation Crustacea Darwin Darwin's views Darwinian deposited direct doctrine of evolution doubt Dysteleology endeavour epigenesis epoch Erasmus Darwin evidence ex nihilo exhibited existence extinct fact favour Flourens geological germ give rise groups horse Hyæna hypothesis inorganic world inquiry kind knowledge Lamarck laws less living Maillet male matter means Mivart modification natural selection naturalists objections observation offspring organic nature organisation Origin of Species ovum parent Paul de Longpré peculiar phenomena philosophical physiological pigeons present primitive stock principles produced Professor Quarterly Reviewer question races reason remarkable result scientific selective breeding sensations sense special creation speculations structure Suarez substantial forms suppose Teleology tendency theory thing thought tion toes variation varieties vegetabilia vegetable Wallace whole