246 MEMOIRS OF THE UNIVERSITY OF CALIFORNIA. 



Comparative Measurements 



M x , greatest anteroposterior diameter 



M 1; transverse diameter of heel 



P 4 , greatest anteroposterior diameter 



P 4 , greatest transverse diameter 



P ? , greatest anterposterior diameter 

 P„, greatest anteroposterior diameter 



ap approximate. 



(«) No. 115995 U. S. Nat. Mus. 



(6) No. 8321. Calif. Mus. Vert. Zool. 



> 



US 



C3 



e3 



o 



1- 





M 

 o 



M 



pq 



Oj 



CO C3 



t- a 



to h H 

 o ^ % 



10 „ ij 



S 3 O 



CM J 



c. 3 O 



No. 5 

 Pottei 

 specin 



No. 11 

 C. dir 

 Ranch 



No. 1' 

 C. dir 

 Ranch 



ap33 mm. 



35.7 



32 



9.5 



13.5 



11.4 



15.3 



20 



19.8 



7.3 



10.5 



9.3 



13.2 



16.7 



15.8 



12.3 



15.4 



15 



'S c 



s £ 



3 -*-* 



CO B 



>— ' o 



. a< 



OP3 



32 



29.7 





10 



16 



16.5 



8.5 



7.7 







14.6 





12.5 



