PLATE II 



Described 

 on Page 



Fig. 1. Oreonetes anceps (Douglass). Palatal view of skull. 



GHT. Cat. No. 745 CM. (Photograph from the 

 Carnegie Museum.) 43 



Fig. 2. Oreonetes anceps (Douglass). Superior view of mandibu- 



lar rami. PT. Cat. No. 1118 CM. (Photograph 

 from the Carnegie Museum.) 43 



Figs. 3-4. Merycoidodon culbertsonii Leidy. Skull and jaws of an 

 immature individual. Cat. No. 311, Rapid City School 

 of Mines. (Drawn by R. Bruce Horsfall, especially 

 for this monograph.) 3/2 nat. size. 55 



Fig. 5. Merycoidodon culbertsonii Leidy. Superior view of left 



half of skull. (After Leidy, 1869.) 47 



Fig. 6. Same as Fig. 5. Lateral view of skull and jaw. 



Fig. 7. Merycoidodon macrorhinus (Douglass). Inferior view of 



skull. HT. Cat. No. 767 CM. (Photograph from 

 the Carnegie Museum.) 58 



Fig. 8. Same as Fig. 7. Superior view. 



One-half natural size, except Figs. 3-4 



314 



