Darwiniana: EssaysD. Appleton, 1897 - 475페이지 |
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20 페이지
... nature abhors a vacuum . He is as greedy of cases and precedents as any constitutional lawyer , and all the principles he lays down are capable of being brought to the test of observation and experiment . The 20 I THE DARWINIAN HYPOTHESIS.
... nature abhors a vacuum . He is as greedy of cases and precedents as any constitutional lawyer , and all the principles he lays down are capable of being brought to the test of observation and experiment . The 20 I THE DARWINIAN HYPOTHESIS.
21 페이지
Essays Thomas Henry Huxley. brought to the test of observation and experiment . The path he bids us follow professes to be , not a mere airy track , fabricated of ideal cobwebs , but a solid and broad bridge of facts . If it be so , it ...
Essays Thomas Henry Huxley. brought to the test of observation and experiment . The path he bids us follow professes to be , not a mere airy track , fabricated of ideal cobwebs , but a solid and broad bridge of facts . If it be so , it ...
28 페이지
... observation has reached ; and that they are not due to domes- tication or to artificially superinduced external circumstances , or to any outward influence within his cognizance ; that the species is wild , or is such as it appears by ...
... observation has reached ; and that they are not due to domes- tication or to artificially superinduced external circumstances , or to any outward influence within his cognizance ; that the species is wild , or is such as it appears by ...
33 페이지
... observation . And the primitive- ness of the supposed single stock , which , after all , is the essential part of the matter , is not only a hypothesis , but one which has not a shadow of foundation , if by " primitive " be meant ...
... observation . And the primitive- ness of the supposed single stock , which , after all , is the essential part of the matter , is not only a hypothesis , but one which has not a shadow of foundation , if by " primitive " be meant ...
43 페이지
... observe , that none of these races can be shown to have been originated by the action of changes in what are commonly called external circumstances , upon the wild rock - pigeon . On the contrary , from time immemorial pigeon - fanciers ...
... observe , that none of these races can be shown to have been originated by the action of changes in what are commonly called external circumstances , upon the wild rock - pigeon . On the contrary , from time immemorial pigeon - fanciers ...
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adapted Agamogenesis Ancon animalcules animals animals and plants appear beds biological birds body bones called carbonic acid causes character Charles Darwin common course creation cross curious Darwin Darwin's views deposited direct doctrine of evolution domestic pigeons doubt endeavour epigenesis epoch Erasmus Darwin evidence ex nihilo experiments extinct fact favour forms fossil geological germ groups horse Hyæna hypothesis ichthyosaurus inorganic world inquiry kind knowledge Lamarck lectures less living male matter means mind Mivart modification natural selection naturalists observation offspring operation organic nature organisation Origin of Species parent peculiar perpetuation phenomena physiological pigeons Pikermi Pouter present primitive stock produced Quarterly Reviewer question races reason remarkable result Rock Pigeon scientific selective breeding sense sheep skeleton sort speculations spontaneous structure Suarez substance suppose Teleology tendency theory thing tion toes variation varieties vary vegetable whole