PLATE XXXVII 



Fig. 1. 



Fig. 2. 



Fig. 3. 



Fig. 4. 



Fig. 5. 



Fig. 6. 



Fig. 7. 

 Fig. 8. 

 Fig. 9. 



Fig. 10. 



Fig. 11. 

 Fig. 12. 



Fig. 13. 

 Fig. 14. 



Fig. 15. 

 Fig. 16. 



Same as Fig. 1 . 

 Same as Fig. 1 . 

 Same as Fig. 1 . 

 Same as Fig. 1 . 



Described 

 on Page 



Cycloptdius calijorniais Stock. Lateral view of skull frag- 

 ment. HT. Cat. No. 27720 U.C.M. Nat. size. (After 

 Stock, 1930.) 242 



Superior view. 



Inferior view. 



Superior view of left ramus. 



Lateral view of left ramus. 



Leptatichenia major Leidv. Superior view of skull in 

 A.N.S.P. CT. 1/2 nat. size. (After Leidy, 1869.) 238 



Same as Fig. 6. Superior view of lower dentition. 



Same as Fig. 6. Lateral view of left ramus. 



Phenacoccelus munroens'ts Peterson. Superior view of man- 

 dibular rami. HT. Cat. No. 1288 CM. 1/2 nat. size. 

 (Photograph from the Carnegie Museum.) 181 



Cyclofidius simus Cope. Lateral view of left mandible. 

 PT. Cat. No. 8117 A.M.N.H. Nat. size. (Photo- 

 graph from the American Museum of Natural History.) 249 



Same as Fig. 1 0. Superior view of ramus. 



Metoreodon major (Leidy). Lateral view of fragment of 

 right maxilla. HT. Cat. No. 439 U.S.N.M. 1/2 nat. 

 size. (After Leidy, 1869.) 205 



Same as Fig. 12. Crown view of dentition. 



Metoreodon ? medius (Leidy). External lateral view of 

 mandibular fragment. HL. Cat. No. 118 U.S.N.M. 

 1/2 nat. size. (After Leidy, 1869.) 206 



Same as Fig. 14. Internal view. 



Same as Fig. 14. Superior view of molars. 



384 



