PLATE XXXII 



Described 

 on Page 



Fig. 1. Merychyus arenarum Cope. Superior view of skull. HT. 



Cat. No. 8146 A.M.N.H. 217 



Fig. 2. Same as Fig. 1. Inferior view. 



Fig. 3. Same as Fig. 1. Superior view of mandibular rami. 



Fig. 4. Merychyus arenarum leptorhynchus Cope. Lateral view 



of skull. HT. Cat. No. 8149 A.M.N.H. 218 



Fig. 5. Same as Fig. 4. Superior view. 



Fig. 6. Same as Fig. 4. Inferior view. 



Fig. 7. Same as Fig. 4. Superior view of mandibular rami. 



Fig. 8. Same as Fig. 4. Lateral view of ramus. 



Fig. 9. Merychyus delicatus Loomis. Lateral view of skull and 



jaw. HT. Cat. No. 12980 A.M.N.H. 225 



Fig. 1 0. Same as Fig. 9. Superior view of skull. 



One-half natural size 



(Photographs from the American Museum of Natural History) 



374 



