24C MEMOIRS OF THE UNIVERSITY OF CALIFORNIA. 



COMPARATIVE MEASUREMENTS 



g i 



ffl Is - 



i.i J! 1 



Kcp: Q op: 



Mj, greatest anteroposterior diameter op33 mm. 35.7 32 32 29.7 



M!, transverse diameter of heel .......... 9.5 13,5 11.4 10 



P 4 , greatest anteroposterior diameter 15.3 20 19.8 16 16.5 



P 4 , greatest transverse diameter ........ 7.3 10.5 8.5 7.7 



P,, greatest anterposterior diameter 13.2 16.7 15.8 14.6 



P,, greatest anteroposterior diameter 12.3 15.4 15 12.5 



op approximate. 



(a) No. 115995 U. S. Nat. Mus. 



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



