. Animal physiology. Physiology, Comparative; Physiology, Comparative. 150 ABSENCE OF TEETH IN WHALE, ANT-EATER, &C. expelled from the nostrils or blow-holes, which are situated at the top of the head. Most of the Whale tribe have short fringes of this kind, in the roof of the mouth; but in none, except the Balcena, or Greenland whale, is it long enough to make it worth separating, all the other species having teeth, either in one or both jaws. It is a curious fact, that the rudiments of teeth may be discovered in both jaws of the young Greenland whale, although they are never to be develo


. Animal physiology. Physiology, Comparative; Physiology, Comparative. 150 ABSENCE OF TEETH IN WHALE, ANT-EATER, &C. expelled from the nostrils or blow-holes, which are situated at the top of the head. Most of the Whale tribe have short fringes of this kind, in the roof of the mouth; but in none, except the Balcena, or Greenland whale, is it long enough to make it worth separating, all the other species having teeth, either in one or both jaws. It is a curious fact, that the rudiments of teeth may be discovered in both jaws of the young Greenland whale, although they are never to be developed. And the rudiments of incisor teeth in the upper jaw, and of canine teeth in both jaws, may also be discovered in the young of the Ruminant quadrupeds (oxen, sheep, &c), though they never show them- selves above the gum. 185. The Ant-eaters, also, are destitute of teeth, and usually obtain their food by means of their long extensible tongues, which are covered with a viscid saliva; this being pushed into the midst of an ant-hill, and then drawn into the mouth, brings into it a large number of these insects, which are sufficiently bruised between the toothless jaws.—Lastly, may be mentioned as a curious exception. Fig. 100.—Skull o* the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carpenter, William Benjamin, 1813-1885. London : Wm. S. Orr and Co.


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