Archive image from page 66 of Dinocerata a monograph of Dinocerata : a monograph of an extinct order of gigantic mammals dinoceratamonogr00mars Year: 1886 THE TEETH. 43 continue tlie deep groove on the upper part of tlie lower jaw, above the symphysis. Tlie position of the sockets for these teetli in Dinoceras is shown in Plates XII and XIII, and the form of the teetli, in Plate VIII, figure 1. The crowns of these incisors are covered with enamel, and the special features of both crown and root are shown in figures 43-45, page 42. In the genus Tinoceras, the incisors are similar in form, bu
Archive image from page 66 of Dinocerata a monograph of Dinocerata : a monograph of an extinct order of gigantic mammals dinoceratamonogr00mars Year: 1886 THE TEETH. 43 continue tlie deep groove on the upper part of tlie lower jaw, above the symphysis. Tlie position of the sockets for these teetli in Dinoceras is shown in Plates XII and XIII, and the form of the teetli, in Plate VIII, figure 1. The crowns of these incisors are covered with enamel, and the special features of both crown and root are shown in figures 43-45, page 42. In the genus Tinoceras, the incisors are similar in form, but have a less inclined position, as indicated in Plate XIX, figure 1. lO Figure 4G.—Ui)[5er canine of Dinoceras lucare, Marsh (No. 1038); male. h. lateral view, inner surface; b'. outline of section of tootli; b'. section of tooth showing pulp cavity; c. front view of looth. FiGDUE 41.—Upper canine oi Dinoceras laticeps, Marsh (So. 1202); female, a. outer surface; b. inner surface ; b'. outline of sec ion ; c. front view. Figure 48.—Upper canhie of Tinocents hmgiceps, Marsh (No. 1256); female, a. outer surface; b. inner surface ; c. front view of looth. The dotted line on the teelli marks the position of the alveolar border, below wliich the tusk was exposed. All the figures are one-foicrtli natural size. The The superior canines of Dinoceras are long, recurved, trenchant tusks. The crown is covered with enamel, and the I'oot extends upward into the base of the maxillary protuberance, or horn-core. When the animal is
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