MERRIAM: THE FAUNA OF RANCHO LA BREA. 



259 



Measurements of Skull and Dentition 



Length from anterior end of premaxillaries 



to posterior side of occipital condyles.... 



Width across zygomatic arches 



Width between outer sides of tritocones 



of P 4 



Least width between superior borders of 



orbits 



Width between postorbital processes of 



frontals 



Length, posterior side of superior canine to 



posterior side of M 2 



Length, anterior side of P 4 to posterior 



side of M 2 



P 3 , anteroposterior diameter 



P\ anteroposterior diameter 



P 4 , thickness across protocone 



M 1 , anteroposterior diameter measured 



along outer border 



M 1 , greatest transverse diameter 



M 2 , anteroposterior diameter measured 



along outer border 



M 2 , greatest transverse diameter 



<3 pj g AD<> 



^ g m ^ % (3 

 o %£ g ",§ 



. a; c; . £3 & 



o bs>a osa 



. b rt . s ■« 



197.5mm. 188.5 

 108 



65 



38 



55 



80.5 



37.3 



13.3 

 21.2 



8.5 



13.3 



16 



7.3 



10.5 



— £> 



192 

 104 



179.5 



106.8 



57 58.9 



35.4 29.6 



53.5 44 



80 72.6 



38.7 38.7 



13.2 13.2 



/. -_ - 



166.1 

 91 



56 

 31.9 

 38.2 

 64.5 ap 

 36.5 ap 



20.8 



21 



20 



7.5 



7.7 



7.8 



12.8 



14 





16 



16.2 





8 



7.5 





11.3 



11.5 





No. 11278 



Length, anterior end of left ramus of mandible to 

 middle of posterior side of condyles 



Height of mandible below posterior side of P 2 



Height of mandible below posterior side of M ± 



Thickness of mandible below protoconid of M 1 



Length, posterior side inferior canine to posterior 

 side of M 2 



P 3 , anteroposterior diameter 



P 3 , greatest transverse diameter 



M 1; anteroposterior diameter 



M 1; greatest transverse diameter of trigonid 



M„, anteroposterior diameter 



(a) No. 12264. 

 (6) No. 10842. 



(c) No. 651, Univ. Calif. Mus. Vert. Zool. 



(d) No. 10993. 



(e) No. 12249. 



ap approximate. 



C. ocbro- C. lat- 

 pus (c) rans (d) 



145.5 mm. 



149 



140 



17 



16.3 



17.4 



22,5 



19.4 



20.9 



11.8 



10 



9.6 



85 



85 



77.5 



11.7 



11.5 



12.5 



4.8 



4.5 



4.S 



22.9 



22.2 



22.5 



9.5 



8.1 



S.3 



9.8 



9.S 



9.S 



