PLATE XXXI 



Described 

 on Page 

 Fig. 1. Metoreodon profectus Matthew & Cook. Superior view of 

 left mandibular ramus. HT. Cat. No. 14055 A.M.N.H. 

 1/2 nat. size. (Photograph from the American Museum 

 of Natural History.) 209 



Fig. 2. Metoreodon novomexicanus (Frick). Palatal view of partial 



skull. CT. Cat. No. 32050 A.M.N.H. 1/2 nat. size. 207 



Fig. 3. Merycochcerus ccenopus Scott. Right manus. HT. Cat. 



No. 9156 M.C.Z. 1/2 nat. size. (After Scott, 1890.) 153 



Fig. 4. Same as Fig. 3. Right pes. 



Fig. 5. Merychyus elegans Leidy. Crown view of superior denti- 

 tion. This and following figures of GCTs. Cat. Nos. 120 

 and 121 U.S.N.M. Nat. size. (After Leidy, 1869.) 226 



Fig. 6. Same as Fig. 5. Crown view of inferior dentition. 



Fig. 7. Same as Fig. 5. Lateral view of skull fragment. 



Fig. 8. Same as Fig. 5. Lateral view of ramus fragment. 



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