PLATE XXVIII 



Described 

 on Page 



Dryolestes friscus Marsh. 5^ 



Fig. I. Right lower jaw with P3.4 and M^.^, internal view. X 5 diam. 

 Neotype. U.S.N.M. No. 2722. Photograph from the United States 

 National Museum. 



Fig. 2. Right lower jaw with P1.4 and Mj.^, external view. X 6 diam. 

 (Type of Asthenodon segnis.) Y.P.M. No. 10646. 



Laolestes entinens Simpson. 61 



Fig. 3. Left lower jaw with I3.4, C, P1.3, and M^.g, internal view. X 5 

 diam. Type. Y.P.M. No. 13719. 



226 



