. Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting. . meets with no obstacle to itsvegetation. In this manner trees are frequentlyfound in regions where their species appear tohave been previously unknown. Chyle, which is a milky fluid formed from the junction of chyme and bile, is received by the small intestine, where the bile also flows from the liver and the saliva from the pancreas. The urinary apparatus consists of the kidneys, two in number, thick and irregular, and distinct one from the other, abutting on
. Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting. . meets with no obstacle to itsvegetation. In this manner trees are frequentlyfound in regions where their species appear tohave been previously unknown. Chyle, which is a milky fluid formed from the junction of chyme and bile, is received by the small intestine, where the bile also flows from the liver and the saliva from the pancreas. The urinary apparatus consists of the kidneys, two in number, thick and irregular, and distinct one from the other, abutting on the intestine, which terminates in a species of pouch, or cloaca, through which evacuation, alternately of urine, excrement, and eggs, takes place. Such is the general internal anatomy of Birds (Fig. 68). The senses of touch, of smell, of taste, and hearing are only slightly developed in Birds. Some have spoken of great delicacy of scent in Birds of Prey, which are observed to assemble in great numbers on fields of battle and other places where carcases are exposed. But the opinions of naturalists such as Audubon and Levaillant. Fig. 67;Crop and digestive organs. DIGESTIVE ORGANS. 1/7 seem to prove that they are attracted rather by the sight thansmell. The organ of sight is, indeed, more highly developed in birdsthan in any other class of animals. The volume of the eye itself is
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, booksubjectrep
