. The comparative anatomy of the domesticated animals. Veterinary anatomy. 428 THE DIGESTIVE APPARATUS IN MAMMALIA. In the Cat, the hairy tentaculse are collected on the upper lip into two long lateral tufts the moustaches; they are very sensitive and movable. 2. Cheeks. 3. Palate.—The cheeks resemble those of the Pig; the palate that of small Rumiuants. The mucous membrane is often stained by patches of pigment, especially on the palate. (The latter is frequently quite black. The number of ridges on the palate varies from seven to nine. Jacobsou's canal opens behind the incisors.) 4. Tongue.—
. The comparative anatomy of the domesticated animals. Veterinary anatomy. 428 THE DIGESTIVE APPARATUS IN MAMMALIA. In the Cat, the hairy tentaculse are collected on the upper lip into two long lateral tufts the moustaches; they are very sensitive and movable. 2. Cheeks. 3. Palate.—The cheeks resemble those of the Pig; the palate that of small Rumiuants. The mucous membrane is often stained by patches of pigment, especially on the palate. (The latter is frequently quite black. The number of ridges on the palate varies from seven to nine. Jacobsou's canal opens behind the incisors.) 4. Tongue.—This is thin and very movable. The papillae on its upper face vary somewhat in the Cat and Dog. In the Cat, the filiform papillae on the anterior two-thirds of the tongue are covered by a very strong horny sheath, the point of which is directed backwards. In the Dog these papillfe are less developed, and there are observed, more particularly, a number of oomposite filiform papillae, the divisions of which are very flexible. There also are found regularly disposed among these, white shining epithelial particles which correspond to small fungiform papdlsB. Fig. THE TEETH OF THE PIG. 1, Upper teeth, table surface; 2, lower teeth, table surface; 3, lateral view of the jaws. At the base of the tongue of Carnivora, and within the anterior pillars of the soft palate, are two elongated bodies with rounded extremities and a nodulated slippery surface ; these are true amygdalse, formed by an agglomeration of closed follicles. 5. Soft Palate.—In the Dog and Cat, the soft palate is very short, and the istlimus of the fauces wide. Consequently, these creatures breathe easily by the mouth, and expel matters by it from the stomach during vomiting. At its free border, the soft palate shows a small pro- longation, something like the uvula. 6. Teeth.—The teeth of the Dog are forty-two in number: twelve incisors, four canines, and twenty-six molars. The incisors, six in each side of
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