Darwiniana: EssaysD. Appleton, 1897 - 475ÆäÀÌÁö |
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... theory of natural selection is incomplete . We still remain very much in the dark about the causes of variation ; the apparent inheritance of acquired characters in some cases ; and the struggle for existence within the organism , which ...
... theory of natural selection is incomplete . We still remain very much in the dark about the causes of variation ; the apparent inheritance of acquired characters in some cases ; and the struggle for existence within the organism , which ...
2 ÆäÀÌÁö
... theory . Let two botanists or two zoologists examine and describe the productions of a country , and one will pretty certainly disagree with the other as to the number , limits , and definitions of the species into which he groups the ...
... theory . Let two botanists or two zoologists examine and describe the productions of a country , and one will pretty certainly disagree with the other as to the number , limits , and definitions of the species into which he groups the ...
13 ÆäÀÌÁö
... theory received its final condemnation in the minds of all sound thinkers . Notwith- standing this silence , however , the transmutation theory , as it has been called , has been a " skeleton in the closet " to many an honest zoologist ...
... theory received its final condemnation in the minds of all sound thinkers . Notwith- standing this silence , however , the transmutation theory , as it has been called , has been a " skeleton in the closet " to many an honest zoologist ...
49 ÆäÀÌÁö
... theory of the origin of species , and every theory which could not account for it would be , so far , imperfect . Up to this point , we have been dealing with II 49 THE ORIGIN OF SPECIES.
... theory of the origin of species , and every theory which could not account for it would be , so far , imperfect . Up to this point , we have been dealing with II 49 THE ORIGIN OF SPECIES.
63 ÆäÀÌÁö
... theology , as to tempt any man to follow his example . Probably not uninfluenced by these considerations , his Catholic majesty's Consul- General for Egypt kept his theories to himself throughout a II 63 THE ORIGIN OF SPECIES.
... theology , as to tempt any man to follow his example . Probably not uninfluenced by these considerations , his Catholic majesty's Consul- General for Egypt kept his theories to himself throughout a II 63 THE ORIGIN OF SPECIES.
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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 Hy©¡na 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