. Reptiles and birds : a popular account of the various orders; with a description of the habits and economy of the most interesting . in regions where their speciesappear to have been previously unknown. Chyle, which is a milky fluid formed fromthe junction of chyme and bile, is receivedby the small intestine, where the bile alsoflows from the liver and the saliva from thepancreas. The urinary apparatus consists of the kid-neys, two in number, thick and irregular, and distinct one fromthe other, abutting on the intestine, which terminates in a speciesof pouch, or cloaca, through which evacuat
. Reptiles and birds : a popular account of the various orders; with a description of the habits and economy of the most interesting . in regions where their speciesappear to have been previously unknown. Chyle, which is a milky fluid formed fromthe junction of chyme and bile, is receivedby the small intestine, where the bile alsoflows from the liver and the saliva from thepancreas. The urinary apparatus consists of the kid-neys, two in number, thick and irregular, and distinct one fromthe other, abutting on the intestine, which terminates in a speciesof pouch, or cloaca, through which evacuation, alternately of urine,excrement, and eggs, takes place. The sense of touch, of smell, of taste, and hearing are onlyslightly developed in birds. Some have spoken of great deli-cacy of scent in birds of prey, which are observed to assemble ingreat numbers on fields of battle and other places where humancarcasses are exposed. But the opinions of naturalists, such asAudubon and Levaillant, seem to prove that these animals wereattracted rather by the sight than smell. The organ of sight is, indeed, more highly developed in birds. Fig. 6S. 192 INTEODUCTOEY CHAPTEE. than in any other class of animals. The volume of the eye itselfis large compared with the head. It includes an addition whichseems to be confined to birds. This is a black membrane, withmany folds, very rich in blood-vessels, and situated at the bottomof the ocular globe, and advancing towards the crystalline.
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Keywords: ., bookcentury1800, bookdecad, booksubjectbirds, booksubjectreptiles
