PLATE XXXIII 



Described 

 on Page 



Fig. 1. Merychyus arenarum minimus Peterson. Superior view of 



skull. HT. Cat. No. 1466 CM. 219 



Fig. 2. Same as Fig. 1. Superior view of mandibular rami. 



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



Seven-eighths natural size 



(Photographs from the Carnegie Museum) 



376 



