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Books Books 1 - 10 of 61 on Our ignorance of the laws of variation is profound. Not in one case out of a hundred....  
" Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part has varied. "
Evolution and Animal Life: An Elementary Discussion of Facts, Processes ... - Page 137
by David Starr Jordan, Vernon Lyman Kellogg - 1907 - 489 pages
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The Wesleyan-Methodist Magazine

Arminianism - 1876
...become plastic, and tends to depart in some small degree from that of the parental tpye." (P. 12.) " Our ignorance of the laws of variation is profound....pretend to assign any reason why this or that part differs, more or less, from the same part in the parents." (P. 167.) And Mr. Darwin also recognises...
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The Eclectic Review, Volume 3; Volume 111

William Hendry Stowell - English literature - 1860
...accurate predication, and variety is generally considered accidental. " Our ignorance (says Mr. Darwin) of the laws of variation is profound. Not in one case...pretend to assign any reason why this or that part differs, more or less, from the same part in the parent ;"* and again, " variation is a very slow process,...
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Gardener's & farmer's reason why ...

Robert Kemp Philp - Agriculture - 1860 - 330 pages
...neither very swift nor very strong, will have been neglected, and will have tended to disappear.* 1153. Not in one case out of a hundred can we pretend to assign any reason why this or that part differs, more or less, from the same part in the parents. But whenever we have the means of instituting...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - Evolution - 1861 - 440 pages
...but had been created in stone so as to mock the shells now living on the sea-shore. Swrmmoury. — Our ignorance of the laws of variation is profound....pretend to assign any reason why this or that part differs, more or less, from the same part in the parents. But whenever we have the means of instituting...
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On the origin of species by means of natural selection: or, The preservation ...

Charles Darwin - Evolution (Biology) - 1864 - 458 pages
...lived, but had been created in stone so as to mock the shells now living on the sea-shore. Summary. — Our ignorance of the laws of variation is profound....pretend to assign any reason why this or that part differs, more or less, from the same part in the parents. But whenever we have the means ot instituting...
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The Natural History Review, Volume 11

Natural history - 1864
...useful, or hurtful, or indifferent.' On the contrary, Mr. Darwin writes (Summary of Chap. V.): — " Our ignorance of the laws of variation is profound. Not in one case out of » hundred can we pretend to assign any reason why this or that part varies more or less from the same...
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The American Naturalist

Natural history - 1909
...deep mystery. Darwin said of it: Our ignorance of the laws of variation is profound. Not in one ease out of a hundred can we pretend to assign any reason why this or that part has varied." In another place he remarks : When we reflect on the millions of buds which many trees have produced...
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The American Naturalist

Natural history - 1909
...him inexplicable and, like all beginnings, it remains to this day a deep mystery. Darwin said of it: Our ignorance of the laws of variation is profound. Not in one ease out of a hundred can we pretend to assign any reason why this or that part has varied.'1 In another...
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On the Origin of Species by Means of Natural Selection: Or The Preservation ...

Charles Darwin - Evolution (Biology) - 1870 - 440 pages
...lived, but had been created in stone s'o as to mock the shells now living on the sea-shore. Summary. — Our ignorance of the laws of variation is profound. Not in one case out of a hundred cau we pretend to assign any reason why this or that part differs, more or less, from the same part...
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The Origin of Species by Means of Natural Selection, Or, The Preservation of ...

Charles Darwin - Evolution - 1873 - 458 pages
...lived, but had been created in stone so as to mock the shells liviug on the sea-shore. Summary.—Our ignorance of the laws of variation is profound. Not...But whenever we have . the means of instituting a comparision, the. same laws appear to i ! havejicted in producing the.iesser differences between varieties...
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