PLATE XXIV 



Described 

 on Page 



Priacodon ferox ( M arsh ) . 35 



Fig. I. Right upper jaw with M^"^, external view. X 6 diam. Y.P.M. No. 

 13626. 



Fig. 2. Same, more oblique view showing palate. X 6J4 diam. 



Priacodon grandaevus Simpson. 37 



Fig. 3. Left upper jaw with M^'^ internal view. X 6 diam. Type. Y.P.M. 

 No. 10349. 



Priacodon lulli Simpson. 36 



Fig. 4. Right upper jaw with P' and M^"*, internal view. X 6 diam. 

 Type. Y.P.M. No. 13625. 



218 



