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" 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 differs, more or less, from the same part in the parents. "
The Origin of Species by Means of Natural Selection, Or, The Preservation of ... - Page 203
by Charles Darwin - 1896
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The Wesleyan-Methodist Magazine

Arminianism - 1876 - 1204 pages
...degree from that of the parental tpye." (P. 12.) " 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 differs, more or less, from the same part in the parents." (P. 167.) And Mr. Darwin also recognises...
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Gardener's & Farmer's Reason why ...

Robert Kemp Philp - Agricultural chemistry - 1860 - 360 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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Eclectic and Congregational Review

1860 - 966 pages
...generally considered accidental. " Our ignorance (says Mr. Darwin) 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 differs, more or less, from the same part in the parent ;"* and again, " variation is a very slow process,...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - Evolution - 1861 - 470 pages
...shells now living on the sea-shore. Swrmmoury. — 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 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 - 1864 - 472 pages
...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 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 ot instituting...
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The Natural History Review, Issues 13-16

1864 - 746 pages
...(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 part in the parents The external conditions of life, as climate and...
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - Evolution - 1866 - 668 pages
...reason why this or that part differs, more or less, from the same part in the parents. But whenever E 2 we have the means of instituting a comparison, the...greater differences between species of the same genus. The external conditions of life, as climate and food, &c., seem to have induced some slight modifications....
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The American Naturalist, Volume 43

Biology - 1909 - 826 pages
...to this day a deep mystery. Darwin said of it: 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." 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, Volume 43

Biology - 1909 - 838 pages
...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, Volume 43

Biology - 1909 - 828 pages
...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 place he remarks : When we reflect on the millions of buds which many trees have...
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