I cannot here enter on the necessary details ; but if man can in a short time give beauty and an elegant carriage to his bantams, according to his standard of beauty, I can see no good reason to doubt that female birds, by selecting, during thousands... Theory in Context and Outeditado por - 2001 - 434 páginasSin vista previa disponible - Acerca de este libro
| 1860 - 306 páginas
...reversions of character probably do occur." Then, next, the same writer propounds the following : " I can see no good reason to doubt that female birds...standard of beauty, might produce a marked effect. I strongly suspect that some well known laws with respect to the plumage of male and f emal birds,... | |
| Charles Darwin - 1861 - 470 páginas
...a short time give elegant carnage and beauty to his bantams, according to L.is standard of beauty, I can see no good reason to doubt that female birds,...standard of beauty, might produce a. marked effect. I strongly suspect that some well-known laws with respect to the plumage of male and female birds,... | |
| Charles Darwin - 1864 - 472 páginas
...a short time give elegant carriage and beauty to his bantams, according to his standard of beauty, I can see no good reason to doubt that female birds,...standard of beauty, might produce a marked effect. I strongly suspect that some well-known laws with respect to the plumage of male and female birds,... | |
| Henry A. DuBois - 1866 - 112 páginas
...a short time, give elegant carriage and beauty to his bantams, according to his standard of beauty, I can see no good reason to doubt that female birds,...standard of beauty, might produce a marked effect." But the idea of " Natural Selection," which characterizes our author's hypothesis, is, that of an omnipotent,... | |
| Robert Mackenzie Beverley - 1867 - 424 páginas
...suggested by a contemplation of Nature. ' Flowers may be regarded not only as the last, but the * 'I see no good reason to doubt that female birds by selecting...standard of beauty, might produce a marked effect' (91). It would appear therefore that the beauty of male birds is not according to any real standard... | |
| Robert Mackenzie Beverley - 1867 - 406 páginas
...suggested by a contemplation of Nature. ' Flowers may be regarded not only as the last, but the * ' I see no good reason to doubt that female birds by selecting...generations the most melodious or beautiful males, acconliay to their standard of beauty, might produce a marked effect' (91). It would appear therefore... | |
| Robert Mackenzie Beverley - 1867 - 598 páginas
...suggested by a contemplation of Nature. 'Flowers may be regarded not only as the htst, but the * ' I see no good reason to doubt that female birds by selecting...thousands of generations the most melodious or beautiful mules, according to their standard of beauty, might produce a marked effect' (91). It would appear... | |
| 1866 - 694 páginas
...short time, give elegant carriage and beauty to his bantams, according to his standard of beauty, 1 can see no good reason to doubt that female birds,...standard of beauty, might produce a marked effect." But the idea of " Natural Selection," which characterizes our author's hypothesis, is, that of an omnipotent,... | |
| Charles Darwin - 1875 - 504 páginas
...short time give beauty and an elegant carriage to his bantams, according to his standard of beauty, I can see no good reason to doubt that female birds,...males, according to their standard of beauty, might prodnco a marked effect. Some wellknown laws, with respect to the plumage of male and female birds,... | |
| Thomas Rawson Birks - 1876 - 346 páginas
...with larger and larger mouths, till a creati/re was produced as monstrous as a whale....! can see no reason to doubt that female birds, by selecting, during thousands of generations, the most melodious and beautiful males, according to their standard of beauty, might produce a marked effect.... Individual... | |
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