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" Kentucky, are blind. In some of the crabs the foot-stalk for the eye remains, though the eye is gone ; — the stand for the telescope is there, though the telescope with its glasses has been lost. As it is difficult to imagine that eyes, though useless,... "
The Romance of Natural History - Pagina 79
door Philip Henry Gosse - 1861 - 372 pagina’s
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The Bible class magazine [ed. by C.H. Bateman]., Volume 10

National Sunday school union - 1870
...inhabit the caves of Styria and Kentucky, are blind. In some of the crabs the footstalk for the eye remains, though the eye is gone ; the stand for the...difficult to imagine that eyes, though useless, could in any way he injurious to animals living in darkness, I attribute their loss wholly to disuse. In...
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All the Year Round: A Weekly Journal, Volume 3

Charles Dickens - 1860
...inhabit the caves of Styria and of Kentucky, are blind. In some of the crabs, the foot-stalk for the eye remains, though the eye is gone; the stand for the...in any way injurious to animals living in darkness, Mr. Darwiu attributes their loss wholly to disuse. Not a single domestic animal can be named which...
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The Principles of Biology, Volume 1

Herbert Spencer - 1864 - 1079 pagina’s
...inhabit the caves of Styria and of Kentucky, are blind. In some of the crabs the footstalk of the eye remains, though the eye is gone; the stand for the...darkness, I attribute their loss wholly to disuse." The direct inheritance of an acquired peculiarity is sometimes observable. Mr Lewes gives a case. He...
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The Principles of Biology, Volume 1

Herbert Spencer - 1864
...inhabit the caves of Styria and of Kentucky, are blind. In some of the crabs the footstalk of the eye remains, though the eye is gone ; the stand for the...darkness, I attribute their loss wholly to disuse." The direct inheritance of an acquired peculiarity is sometimes observable. Mr Lewes gives a case. He...
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - 1866 - 593 pagina’s
...inhabit the caves of Carniola and of Kentucky, are blind. In some of the crabs the foot-stalk for the eye remains, though the eye is gone ; the stand for the...In one of the blind animals, namely, the cave-rat (Neotoma), two of which were captured by Professor Silliman at above half a mile distance from the...
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The American Naturalist, Volume 22,Deel 2

1888
...disuse " in the case of moles and the burrowing rodents, then remarks in regard to cave animals : " As it is difficult to imagine that eyes, though useless,...darkness, I attribute their loss wholly to disuse" (p. 142). On the next page he writes: "By the time an animal had reached, after numberless generations,...
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On the Origin of Species by Means of Natural Selection: Or The Preservation ...

Charles Darwin - 1870 - 440 pagina’s
...inhabit the caves of Styria and of Kentucky, are blind. In some of the crabs the foot-stalk for the eye remains, though the eye is gone ; the stand for the...been lost. As it is difficult to imagine that eyes, thongh useless, could be in any way injurious to animals living in darkness, I attribute their loss...
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On the Origin of Species by Means of Natural Selection, Or, The Preservation ...

Charles Darwin - 1873 - 458 pagina’s
...Kentucky, are blind. In some of the crabs the foot-stalk for the eye remains, though the eye is gone;—the stand for the telescope is there, though the telescope...in any way injurious to animals living in darkness, their loss may be attributed to disuse. In one of the blind animals, namely, the cave-rat (Neotoma),...
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On the Origin of Species by Means of Natural Selection, Or The Preservation ...

Charles Darwin - 1875 - 458 pagina’s
...are blind. In some of the crabs the foot-stalk for the eye remains, though the eye is gone ; — i he stand for the telescope is there, though the telescope...eyes, though useless, could be in any way injurious to annuals living in darkness, their loss may bo attributed to disuse. In one of the blind animals, namely,...
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Once a Week

1871
...such case be an advantage; and, if so, natural selection would constantly aid the effects of disease. As it is difficult to imagine that eyes, though useless,...loss wholly to disuse. In one of the blind animals of the Mammoth Cave — namely, the cave-rat — the eyes are of immense size ; and Professor Silliman...
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