. Animal physiology. Physiology, Comparative. Fig. 102.—Skull of Whale, Fig. 101. —WnALKlioNE. 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 Balosna, or Greenland Whale, is it long enough to make it w^orth separating ; all the other sjDecies havmg 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
. Animal physiology. Physiology, Comparative. Fig. 102.—Skull of Whale, Fig. 101. —WnALKlioNE. 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 Balosna, or Greenland Whale, is it long enough to make it w^orth separating ; all the other sjDecies havmg 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 Euminant quadrupeds (oxen, sheep, &c.), though they never show themselves above the gum. 18G. The Ant-eaters, also, are destitute of teeth, and usually '»btain 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. Fig. 103.—Skill oi- the Ant-eater, these insects, which are sufficiently bruised between the toothless jaws (fig, 103). Lastly, may be mentioned as a curious exception to the general rules respecting the teeth of Mammalia, the remarkable Orni- thorhyncus of New Holland (Zoology, § 317), which feeds,. 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 : H. G. Bohn
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