1913] Merriam: A Camel from Rancho La Brea 319 



Figs, 11a ami lib. Camelops liesternus (Leidy). Inferior cheek-tooth 

 series of type specimen, X V.,, Fig. 11a, occlusal view; fig. lib, lateral 

 view. (Adapted from Leidy.) 



premolar, P.,, with a wedge-shaped cross-section. The general 

 form and relative dimensions of this tooth are much the same 

 in the type of A. hesterna and in specimen 20040 from Rancho 

 La Brea. The nature of the posterior enamel fold of the crown 

 is similar in the two. In the type of A. hesterna (Leidy. pi. 37, 

 fig. 2) P 4 is represented with a distinct groove on the outer side 

 marking the division of the tooth into anterior and posterior 

 regions, each terminating interiorly in a distinct root. In 

 Rancho La Brea specimen 20028 there is an exceedingly faint 

 separation of the two roots, and the inner face of the crown 

 may show a faint groove, marking this division ; there is, how- 

 ever, no external groove as represented for A. hesterna. In 



