PLATE XXXIV 



Described 

 on Page 



Fig. 1. Merychyus curtus Loomis. Superior view of skull. HT. 



Cat. No. 13817 A.M.N.H. 222 



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



Fig. 3. Same as Fig. 1. Lateral view of ramus. 



Fig. 4. Alerychyus elegans -paniensis Loomis. Superior view of 



mandibular ramus. HT. Cat. No. 9047 A.M.N.H. 227 



Fig. 5. Alerychyus siotixensis Loomis. Superior view of skull. 



HT. Cat. No. 13774 A.M.N.H. 232 



Fig. 6. Same as Fig. 5. Inferior view. 



Fig. 7. Merychyus fariogonus Cope. Superior view of skull. HT. 



Cat. No. 8113 A.M.N.H. 231 



Fig. 8. Same as Fig. 7. Inferior view. 

 Fig. 9. Same as Fig. 7. Lateral view. 



One-half natural size 

 (Photographs from the American Museum of Natural History) 



378 



