PLATE XVII 



Described 

 on Page 



Fig. 1. Promerycochoerus montanus (Cope). Lateral view of skull. 



HT. Cat. No. 8107 A.M.N.H. 138 



Fig. 2. Same as Fig. 1 . Superior view. 



Fig. 3. Same as Fig. 1. Inferior view. 



One-half natural size 



(Photographs from the American Museum of Natural History) 



344 



