. Bulletin of the Department of Geology. Geology. 1921] Frick: Faunas of Bautista Creek and San Timoteo Canon 393 Lower Cheek Teeth Tentatively Referred to Pliohippus osborni, n. sp. Material.—An abnormally large tooth from the right side of the jaw, no. 23222 (fig. 127); and very tentatively placed with the same, a large molar, no. 23197 (fig. 128). Both specimens in Univ. Calif. Coll. Vert. Pal., Univ. Calif, loe. 3269. Description.—The large lower tooth (no. 23222, fig. 127) is very Equus-\\\^Q. especially in the flatness of the inner walls of the proto-. Figs. 127 to 129. ?PUohippus osbomi
. Bulletin of the Department of Geology. Geology. 1921] Frick: Faunas of Bautista Creek and San Timoteo Canon 393 Lower Cheek Teeth Tentatively Referred to Pliohippus osborni, n. sp. Material.—An abnormally large tooth from the right side of the jaw, no. 23222 (fig. 127); and very tentatively placed with the same, a large molar, no. 23197 (fig. 128). Both specimens in Univ. Calif. Coll. Vert. Pal., Univ. Calif, loe. 3269. Description.—The large lower tooth (no. 23222, fig. 127) is very Equus-\\\^Q. especially in the flatness of the inner walls of the proto-. Figs. 127 to 129. ?PUohippus osbomi, n. sp. Premolar teeth, outer and occlusal views, X 1. Fig. 127, no. 23222; fig. 128, no. 23197; fig. 129, PUoMppus osborni, n. p., upper premolar of type specimen, no. 23787, inner view, X 1. Eden beds, California. eonid and hypoconid. The relative anteroposterior length of the crown, the transverse narrowness of the anterior end, and the depth of the fold between the protoconid and hypoconid point to the specimen representing the last premolar. The groove, or gutter, of the metaconid-metastylid column, unlike Equus, is sharp and deep; the wings of the metaconid and metastylid are broadly expanded and unsymmetrical, that of the metaconid being especially enlarged and produced forward and inward. The exterior faces of the protoconid. 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 University of California, Berkeley. Dept. of Geology. Berkeley : The University Press
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