Title: Comparative zoology, structural and systematic : for use in schools and colleges
Identifier: comparativezool00orto (find matches)
Year: 1883 (1880s)
Authors: Orton, James, 1830-1877; Birge, E. A. (Edward Asahel), 1851-1950
Subjects: Zoology; Anatomy, Comparative; Physiology, Comparative
Publisher: New York : Harper & Bros.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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HOW ANIMALS EAT. 69 rel has two in each jaw, but remarkably developed; the Ox has none in the upper jaw, and the Elephant none in the lower; while the Sloth has none at all.26 The canines, so called because so prominent in the Dog, are conical, and, except in Man, longer than the other teeth. They are designed for seizing and tearing; and they are the most formidable weapons of the wild carnivores. There
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Fig. 34.—Skull of the Babirusa, or Malayan Hog, showing growth and curvature of the canines. are never more than four. They are wanting in all Ro- dents, and in nearly all herbivorous quadrupeds. The molars, or grinders, vary greatly in shape, but closely cor- respond with the structure and habits of the animal, so that a single tooth is sufficient to indicate the mode of life and to identify the species.27 In the Ruminants, Ro- dents, Horses, and Elephants, the summits of the molars are flat, like mill-stones, with transverse or curving ridges

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