Darwiniana: EssaysD. Appleton, 1897 - 475페이지 |
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3 페이지
... as the parent species , but he goes so far as to assert that the particular plant Crinum capense is much more fertile when crossed by a distinct species than when fertilised by its proper pollen ! I 3 THE DARWINIAN HYPOTHESIS.
... as the parent species , but he goes so far as to assert that the particular plant Crinum capense is much more fertile when crossed by a distinct species than when fertilised by its proper pollen ! I 3 THE DARWINIAN HYPOTHESIS.
6 페이지
... do they seem , on the whole , limited to particular provinces . But when we look into the facts established by the study of the geographical distribution of animals and plants it seems utterly hopeless to 6 I THE DARWINIAN HYPOTHESIS.
... do they seem , on the whole , limited to particular provinces . But when we look into the facts established by the study of the geographical distribution of animals and plants it seems utterly hopeless to 6 I THE DARWINIAN HYPOTHESIS.
11 페이지
... particular directions by exerting itself in particular ways , and that modi- fications once induced may be transmitted and become hereditary . Putting these facts together , Lamarck endeavoured t : account for the first by the operation ...
... particular directions by exerting itself in particular ways , and that modi- fications once induced may be transmitted and become hereditary . Putting these facts together , Lamarck endeavoured t : account for the first by the operation ...
56 페이지
... particular zone of limestone , or clay , into the zone below it or into that above it ; so that those who adopt the doc- trine of special creation must be prepared to admit , that at intervals of time , corresponding with the thickness ...
... particular zone of limestone , or clay , into the zone below it or into that above it ; so that those who adopt the doc- trine of special creation must be prepared to admit , that at intervals of time , corresponding with the thickness ...
82 페이지
... particular in the structure of an animal has been created for its benefit , and he regards the whole series of animal forms only from this point of view . " And again : " 7. The teleological general conception adopted by Darwin is a ...
... particular in the structure of an animal has been created for its benefit , and he regards the whole series of animal forms only from this point of view . " And again : " 7. The teleological general conception adopted by Darwin is a ...
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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