EXPLANATION OF PLATE 25 

 Cants dims Leidy 



Pig. 1. Skull, no. 10834, lateral view, X %. Rancho La Brea Beds. 



Pig. 2. Skull, no. 19796, inferior view, X % Rancho La Brea Beds. 



Fig. 3. M 1 and M 2 of the type specimen, natural size. 



Fig. 4. M 1 and M 2 of specimen no. 10856, natural size. Rancho La Brea Beds. 



Fig. 5. P 3 and M 1 of the Texas specimen described by Cope, natural size. 



[206 1 



