| Henry Pitman - 1316 páginas
...most of us would appear downright incredible modifications of structure have been effected, merely by the "accumulation in one direction, during successive generations, of differences absolutely in*ppreciable by the uneducated eye." " Not one man in a thousand," says Mr. Darwin, " has accuracy... | |
| Charles Darwin - 1861 - 470 páginas
...cases. If selection consisted merely in separating some very distinct variety, and breeding from it, the principle would be so obvious as hardly to be...differences absolutely inappreciable by an uneducated eye — differences which I for one have vainly attempted to appreciate. Not one man in a thousand has... | |
| Charles Darwin - 1864 - 472 páginas
...cases. If selection consisted merely in separating some very distinct variety, and breeding from it, the principle would be so obvious as hardly to be...differences absolutely inappreciable by an uneducated eye — differences which I for one have vainly attempted to appreciate. Not one man in a thousand has... | |
| 1866 - 736 páginas
...says : — " If selection consisted merely in separating some distinct variety and breeding from it, the principle would be so obvious as hardly to be...in the great effect produced by the accumulation in any direction, during successive generations, of differences absolutely inappreciable by an uneducated... | |
| 1866 - 658 páginas
...says : — " If selection consisted merely in separating some distinct variety and breeding from it, the principle would be so obvious as hardly to be...in the great effect produced by the accumulation in any direction, during successive generations, of differences absolutely inappreciable by an uneducated... | |
| Charles Darwin - 1866 - 668 páginas
...cases. If selection consisted merely in separating some very distinct variety, and breeding from it, the principle would be so obvious as hardly to be...consists in the great effect produced by the accumulation hi one direction, during successive generations, of differences absolutely inappreciable by an uneducated... | |
| 1910 - 784 páginas
...states: If selection consisted merely in separating some very distinct variety, and breeding from it, the principle would be so obvious as hardly to be...differences absolutely inappreciable by an uneducated eye — differences which I for one have vainly attempted to appreciate.2 DeVries after much careful experimentation... | |
| Charles Darwin - 1875 - 504 páginas
...some very distinct variety, and breeding from it, the principle would be so obvious as hardly to bo worth notice ; but its importance consists in the...differences absolutely inappreciable by an uneducated eye — differences which I for one have vainly attempted to appreciate. Not one man in a thousand has... | |
| T Warren O'Neill - 1880 - 482 páginas
...Origin of Species): Darwin says, that the very distinct varieties, observable under domestication, are "produced by the accumulation in one direction, during successive generations, of differences." For breeders, and fanciers, to work upon, there are, at the start, under domestication, a certain number... | |
| Charles Darwin - 1884 - 396 páginas
...breeds. _, If selection consisted merely in separating some very distinct variety, and breeding from it, the principle would be so obvious as hardly to be...differences absolutely inappreciable by an uneducated eye — differences which I for one have vainly attempted to appreciate. Not one man in a thousand has... | |
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