PLATE XXXI 



Described 

 on Page 



Docodon suferus Simpson. 95 



Fig. I. Right upper jaw with PS P', and M""^, internal view. X 4 diam. 

 U.S.N. M. No. 2715. Photograph from the United States National 

 Museum. 



Fig. 2. Same, crown view. X 4 diam. Photograph from the United States 

 National Museum. 



Fig. 3. Same, external view. X 4 diam. Photograph from the United 

 States National Museum. 



Menisco'essus sp. 104 



Fig. 4. Isolated M^, crown view. X 8 diam. 



Cimolomys sp. no 



Fig. 5. Isolated Mj, crown view. X 8 diam. 



232 



