PLATE XII 



Described 

 on Page 



Amblotherium debilis Simpson. 68 



Fig. I. Left lower jaw with Mj.,, poorly preserved, internal view. X 6 

 diam. Type. Y.P.M. No. 11821. 



Fig. 2. Right lower jaw with Mj.g, external view. Posterior part (left fig- 

 ure) not stereoscopic. X 9 diam. Y.P.M. No. 13728. 



Fig. 3. Right lower jaw with M5.7, internal view. X 9 diam. Y.P.M. No. 

 13730. 



194 



