Darwiniana: EssaysD. Appleton, 1897 - 475페이지 |
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9 페이지
... less the buried species are like existing forms ; and , the fur- ther apart the sets of extinct creatures are , the less they are like one another . In other words , there has been a regular succession of living beings , each younger ...
... less the buried species are like existing forms ; and , the fur- ther apart the sets of extinct creatures are , the less they are like one another . In other words , there has been a regular succession of living beings , each younger ...
10 페이지
... less hesitation as it so happens that those persons who are practically conversant with the facts of the case ( plainly a considerable advantage ) have always thought fit to range themselves under the latter category . The majority of ...
... less hesitation as it so happens that those persons who are practically conversant with the facts of the case ( plainly a considerable advantage ) have always thought fit to range themselves under the latter category . The majority of ...
18 페이지
... less numerous than they were ; and yet we know that the annual produce of every pair is from one to perhaps a million young ; so that it is mathematically certain that , on the average , as many are killed by natural causes as are born ...
... less numerous than they were ; and yet we know that the annual produce of every pair is from one to perhaps a million young ; so that it is mathematically certain that , on the average , as many are killed by natural causes as are born ...
19 페이지
... less fit for their post than B itself . The tend- ency of B to persist will grow with its persistence through successive generations , and it will acquire all the characters of a new species . But , on the other hand , if the conditions ...
... less fit for their post than B itself . The tend- ency of B to persist will grow with its persistence through successive generations , and it will acquire all the characters of a new species . But , on the other hand , if the conditions ...
23 페이지
... less than those who dispute their validity , have naturally sought opportunities of expressing their opinions . Hence it is not surprising that almost all the critical journals have noticed Mr. Darwin's work at greater or less length ...
... less than those who dispute their validity , have naturally sought opportunities of expressing their opinions . Hence it is not surprising that almost all the critical journals have noticed Mr. Darwin's work at greater or less length ...
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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