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" If selection consisted merely in separating some very distinct variety, and breeding from it, the principle would be so obvious as hardly to be worth notice ; but its importance consists in the great effect produced by the accumulation in one direction,... "
Geological Gossip: Or, Stray Chapters on Earth and Ocean - Página 168
por David Thomas Ansted - 1860 - 325 páginas
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The Popular lecturer [afterw.] Pitman's Popular lecturer (and ..., Volúmenes4-6

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...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

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...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

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...
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Quarterly Journal of Science: 1866, Volumen3

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...
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The Quarterly Journal of Science, Volumen3

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...
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

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...
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The American Naturalist, Volumen44

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...
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On the origin of species by means of natural selection ; or, The ...

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...
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The refutation of Darwinism; and the converse theory of development; based ...

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...
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Darwinism Stated by Darwin Himself: Characteristic Passages from the ...

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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