372 



University of California Publications in Geology [Vol. 12 



PEOCAMELUS(?), sp. A, cervid-like dentition 



Type. — The jjosterior portion of a left mandible containing Mj and a portion 

 of M-„ Univ. Calif. Coll. Vert. Pal. no. 23426 (fig. 8.5), Univ. Calif, loc. 3269. 



Referred material. — Univ. Calif. Coll. Vert. Pal. no. 23437 and no. 23437a (figs. 

 86a, 86b), Univ. Calif, loc. 3269. 



Characters. — The low crowns and unusual transverse breadth of 

 the teeth ; the markedly even plane of the inner tooth faces ; and the 

 peculiar, fine horizontal graining of the enamel. 



85b 



Figs. 8.5 to 86b. Procamelus, sp. A. Cervid-like type of dentition. Fig. 85, 

 posterior portion of mandible with Mj and M3, no. 23426, outer and occlusal views, 

 X 1; fig. 86t!, molar tooth, no. 23437, X 1 ; fig. 86&, molar tooth, no. 23437a, X 1; 

 Eden beds, California. 



Measurements of Procamelus?, sp. A — Eeperred Teetii 



No. 23426 



Mj, anteroiiosterior diameter 21.8 mm. 



Mj, transverse diameter 14 



M3, anteroposterior diameter 33 



Ms, transverse diameter 13.8 



In the evident presence of a buttress at the anteroexternal corner 

 of the last molar, in the large heel, and the general shape of the teeth 

 in cross-section this specimen alone resembles the preceding. The 

 heel has three-fourths of the anteroposterior diameter of the main 

 lobes as in P. edensis edensis, versus one-third as in P. edensis raki. 

 That the distinctive characters by which this specimen differs from 

 the former specimens are not due to age is evidenced by the general 



