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" Under changed conditions of life, it is at least possible that slight modifications of instinct might be profitable to a species; and if it can be shown that instincts do vary ever so little, then I can see no difficulty in natural selection preserving... "
The Darwinian Theory of the Transmutation of Species - Page 52
by Robert Mackenzie Beverley - 1867 - 386 pages
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Proceedings of the Literary & Philosophical Society of Liverpool, Issue 15

Literary and Philosophical Society of Liverpool - 1861
...originally was a habit, and an instinct, becomes so close as not to be distinguished;" and again — "Under changed conditions of life, it is at least possible that slight modifications of instinct that there is no natural barrier to development, as long as that development is confined to cognizable...
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all the year round

CHARLES DICKENS - 1860
...under the conditions of life by which it happens to he surrounded. Under changed circumstances, it is possible that slight modifications of instinct might...shown that instincts do vary ever so little, then Mr. Darwin sees no difficulty in Natural Selection preserving and continually accumulating variations...
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Proceedings of the Liverpool Literary and Philosophical Society, Volumes 14-15

Literary and Philosophical Society of Liverpool - 1860
...originally was a habit, and an instinct, becomes so close as not to be distinguished;" and again — "Under changed conditions of life, it is at least possible that slight modifications of instinct 87 might be profitable to a species ; and if it can be shown that instincts do vary, ever so little,...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - Evolution - 1861 - 440 pages
...important as corporeal structure for the welfare of each species, under its present conditions of life. Under changed conditions of life, it is at least possible...accumulating variations of instinct to any extent that may be profitable. It is thus, as I believe, that all the most complex and wonderful instincts have...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - Evolution - 1864 - 440 pages
...important as corporeal structure for the welfare of each species, under its present conditions of b-fe. Under changed conditions of life, it is at least possible...accumulating variations of instinct to any extent that may be profitable. It is thus, as I believe, that all the most complex and wonderful instincts have...
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On the Origin of Species by Means of Natural Selection: Or The Preservation ...

Charles Darwin - Electronic books - 1866 - 593 pages
...important as corporeal structure for the welfare of each species, under its present conditions of life. Under changed conditions of life, it is at least possible...instinct to any extent that was profitable. It is thus, as I believe, that all the most complex and wonderful instincts have originated. As modifications of...
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Spirit and mind polarity, or The disentanglement of ideas

Arthur Young - 1873
...important as corporeal structure for the welfare of each species, under its present conditions of life. Under changed conditions of life, it is at least possible...modifications of instinct might be profitable to a species Changes of instinct may sometimes be facilitated by the same species having different instincts at...
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - Evolution - 1873 - 458 pages
...important as corporeal structures for the welfare of each species, under its present conditions of life!/ Under changed conditions of life, it is at least possible...slight modifications of instinct might be profitable to ii species; and if it can be shown that instincts do vary ever BO little, then 1 can see no difficulty...
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What is Darwinism?

Charles Hodge - Evolution - 1874 - 178 pages
...pointer or retriever have been known to point or to retrieve without instruction. "If," he says, " it can be shown that instincts do vary ever so little,...instinct to any extent that was profitable. It is thus, as I believe, that all the most complex and wonderful instincts have arisen." (p. 257) He was rather...
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On the Origin of Species by Means of Natural Selection, Or The Preservation ...

Charles Darwin - Evolution - 1875 - 458 pages
...important as corporeal structures for the welfare of each species, under its present conditions of life. Under changed conditions of life, it is at least possible...instinct to any extent that was profitable. It is thus, as I believe, that all tho most complex and wonderful instincts have originated. As modifications of...
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