PLATE XVIII 



Described 

 on Page 



Docodon sp. 86 



Fig. I. Isolated right lower molar, crown view. X about 13 diam. 



Fig. 2. Left lower jaw with C, Pj.^, and Mj, internal view. X about 6 

 diam. Y.P.M. No. 10649. 



Fig. 3. Right lower jaw with P3.4 and M^.j, external view. X about 6 

 diam. Y.P.M. No. 13734. 



206 



