254 



MEMOIRS OP THE UNIVERSITY OP CALIFORNIA. 



Measurements of Dentition and Skull 



Length, posterior side of superior canine 



to posterior side of M 2 



Length, anterior side of P 4 to posterior 



side M 2 



P 1 , anteroposterior diameter 



M 1 . anteroposterior diameter along outer 



border 



M 1 , greatest transverse diameter 



M\ anteroposterior diameter along outer 



border 



M-', greatest transverse diameter 



Width, from outer side of alveolus of MP 



to median line 



Width, from outer side of alveolus of P 1 



to median line = 



Mj, anteroposterior diameter 



Mj, thickness measured across protoconid 

 ML,, anteroposterior diameter 



(a) No. 10S34 



(b) No. 11257 



(c) No. 1308. U. S. Nat. Mus. 



pq 



CO d 



i—! O 



pq 



OS iJ 



G> ° 



pq 



CO c$ 



£ 2 



2 o 



.So 



t a 



. ci 



OP3 



:?cq 

 ■a a 



£ ° 



11 



OPh 



a 



o t> 

 OPh 



81.5 mm. 



87 





115.5 



86 



91 



44.7 



48.5 





54 



47.7 



46 



23.6 



26.8 



24 



30.7 



28.2 



25.5 



16 



17.2 



15.5 



18.S 



17 



17.4 



19.3 



21.5 



18 



23 



20.7 



19.4 



8 



7.9 



8.2 



9.2 



9 



8.5 



10.8 



13.5 



10.5 



14.4 



12.9 



12.3 



39 



39.6 



37.7 



46.5 



41.S 



38.3 



18 



20.2 





27.5 



22.5 



19.5 



27 







34.5 



32 



28.3 



11.5 







13.6 



13.5 



11 



11.5 







13.3 



12.4 



11.7 



