 | National Sunday school union - 1870 - 314 pages
...classes, which 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...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... | |
 | Charles Dickens - English literature - 1860 - 638 pages
...which 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...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... | |
 | Charles Darwin - Evolution - 1861 - 470 pages
...classes, which 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...in any way injurious to animals living in darkness, I attribute their loss wholly to disuse. In one of the blind animals, namely, the caverat, the eyes... | |
 | Philip Henry Gosse - Biology - 1861 - 446 pages
...absorbed, in successive generations, by disuse of the function. " In some of the crabs the foot-stalk remains, though the eye is gone ; the stand for the...in any way injurious to animals living in darkness, I attribute their loss wholly to disuse. In one of the blind animals, namely, the cave-rat, the eyes... | |
 | Herbert Spencer - Biology - 1864 - 506 pages
...which 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...in any way injurious to animals living in darkness, I attribute their loss wholly to disuse." The direct inheritance of an acquired peculiarity is sometimes... | |
 | Herbert Spencer - Biology - 1864 - 510 pages
...which 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...in any way injurious to animals living in darkness, I attribute their loss wholly to disuse." The direct inheritance of an acquired peculiarity is sometimes... | |
 | John Duns - Religion and science - 1899 - 330 pages
...cave-fish, the cavecrustacea, and the cave-insects of America. " In some of the crabs the foot-stalk for the eye remains, though the eye is gone ; the...though the telescope with its glasses has been lost." In some of the cave-animals, as the rat, the organs of sight are very large, as if, in the effort to... | |
 | Biology - 1888 - 662 pages
...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,...in any way injurious to animals living in darkness, I attribute their loss wholly to disuse" (p. 142). On the next page he writes: "By the time an animal... | |
 | George St. Clair - Evolution - 1873 - 280 pages
...living in caves are mostly blind, though the eyeball remains ; and in some of the crabs the footstalk for the eye remains, though the eye is gone — the stand for the telescope, though the telescope with its glasses is not present ! Nothing would appear to be clearer than that... | |
 | Charles Darwin - 1875 - 504 pages
...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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It is well known that several animals, belonging to the most different classes, which 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 telescope... 
