 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 Principles of Biology - Halaman 247oleh Herbert Spencer - 1864 - 1079 halamanTampilan utuh - Tentang buku ini
 | National Sunday school union - 1870 - 314 halaman
...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 stand...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 - 1860 - 638 halaman
...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 - 1861 - 470 halaman
...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...darkness, I attribute their loss wholly to disuse. In one of the blind animals, namely, the caverat, the eyes are of immense size ; and Professor Silliman... | |
 | Philip Henry Gosse - 1861 - 446 halaman
...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...darkness, I attribute their loss wholly to disuse. In one of the blind animals, namely, the cave-rat, the eyes are of immense size ; and Professor Silliman... | |
 | Charles Darwin - 1864 - 472 halaman
...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...darkness, I attribute their loss wholly to disuse. In one of the blind animals, namely, the caverat, the eyes are of immense size ; and Professor Silliman... | |
 | 1888 - 662 halaman
...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,... | |
 | Charles Darwin - 1870 - 468 halaman
...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...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... | |
 | Charles Darwin - 1873 - 492 halaman
...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),... | |
 | George St. Clair - 1873 - 280 halaman
...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 halaman
...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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