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All night-prowling animals have widely dilatable pupils, and in addition to this they have in the retina a special organ called the tapetum lucidum, the function of which is to reflect to a focus in front of them the relatively few rays of light that enter the widely-dilated pupil and thus enable them the better to see their way.
The cat, the wolf, some carnivora, and also sheep, cows, and horses, occasionally exhibit the same glittering. Pallas imagined that the light of these animals emanated from the nervous membrane of the eye, and considered it to be an electrical phenomenon. It is found, however, in every animal that possesses a 'tapetum lucidum'. The shining, however, never takes place in complete darkness.
But I made her comfortable on the pillow of my truckle-bed. And I gave her butter to get her to wash." "And you processed her?" "I processed her. But giving drugs to a cat is no joke, Kemp! And the process failed." "Failed!" "In two particulars. These were the claws and the pigment stuff, what is it? at the back of the eye in a cat. You know?" "Tapetum." "Yes, the tapetum. It didn't go.
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