SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 149, NO. 4, PLATE 1 



lat.s 



Plate 1. Endocranial cast of Smilodectes gracilis 



Figs. 1, 2, 3, 4. Smilodectes gracilis (Marsh). Endocranial cast (U.S.N.M. 

 23276) : 1, dorsal view; 2, lateral view, left side; 3, lateral view, right side; 

 4, anterior view. Twice natural size. Bridger Basin. Wyoming. 



