1916] 



Chandler: Skull and Dentition of Bison antiquus 



129 



Pigs. 5a and 5b. Bison bison (Linnaeus), Cranium and horn-cores. U. C. 

 M. V. Z. No. 5597, X %, Great Plains region. Fig. 5a, dorsal view; fig. 5b, 

 posterior view. 



Fig. 6. Bison bison (Linnaeus). Nasal bones. U. C. M. V. Z. No. 5596, 

 X Vi, Great Plains region. 



Pig. 7. Bison antiquus Leidy. Nasal bones. No. 21152, Eanclio La Brea 

 beds. 



