...Kentucky are blind. In some of the crabs the foot-stalk for the eye remains, though the eye is gone. As it is difficult to imagine that eyes, though useless,...In one of the blind animals, namely, the Cave-rat (Ncotoma), two of which were captured by Professor Silliman, at about half a mile distant from the...

...caves of Styria and of Kentucky, are blind. In some of the crabs the footstalk of the eye re-* mains, though the eye is gone ; the stand for the telescope...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...

...(p. 1 10) iays : " In some of the crabs the foot-stalk for the eye remains, though the eye is gone As it is difficult to imagine that eyes, though useless,...darkness, their loss may be attributed to disuse." On the other hand, Mr. WP Ball says : " The cave-crabs which have lost their disused eyes, but not...

...and of Kentucky, are blind. In some of the crabs the foot stalk for the eye remains, though the ere is gone ; — the stand for the telescope is there,...telescope with its glasses has been lost. As it is diftcult to imagine that eyes, though useless, could be in any way injurious to animals living in darkness,...

...crabs, the foot-stalks for the eyes remain, though the eye is gone. Mr. Darwin very finely remarks, " The stand for the telescope is there, though the telescope with its glasses has been lost." Living for generations away from the sun, the organ of sight has perished through disuse. The same...

...and of Carniola are blind, and this is ascribed to disuse. "As it is difficult to imagine that the eyes, though useless, could be in any way injurious...darkness, their loss may be attributed to disuse." The long neck of the giraffe Darwin attributes partly to natural selection and partly to use. These...

...inhabit the caves of Carniola and Kentucky are blind. In some of the crabs the foot-stock for the eyes remains though the eye is gone. The stand for the...disuse. In one of the blind animals, namely the cave-rat (Nestoma), two of which were captured by Professor Silliman at above half a mile distance from the...

...foot-stock for the eyes remains though the eye is 21 Origin of Species, p. 131. 22 Destiny of Man, 98. gone. The stand for the telescope is there, though...disuse. In one of the blind animals, namely the cave-rat (Nestoma), two of which were captured by Professor Silliman at above half a mile distance from the...

...disuse, but aided perhaps by natural selection. ... In some of the crabs the foot-stalk for the eyes remains, though the eye is gone; the stand for the...darkness, their loss may be attributed to disuse." His discussion of the origin of instincts corroborates the same theory. He says:1 "If we suppose any...

...waarop de oogen zich behooren te bevinden, doch dat de oogen zelf geheel weg waren en hij zei van haar: „The stand for the telescope is there, though the telescope with its lenses has been lost." Er was nog een tweede vischrijke vijver in Valckenier's „thuyn" waarvan de...