1921] Frick: Faunas of Bautista Creek and San Timoteo Canon 307 



Measurements of Upper Cheek Teeth op Equus bautistensis 



No. 23244, 

 etc. 



P2, anteroposterior diameter 



P-, transverse diameter 



P-, anteroposterior diameter of protocone .. 



P-, anteroposterior diameter 



P-, transverse diameter 



V-, anteroposterior diameter of protocone .. 10.9 mm. 



P-, anteroposterior diameter 31.4 



P*, transverse diameter 28. .5 



P*, anteroposterior diameter of protocone .. 12.3 



MS, anteroposterior diameter 27.9 



M*, transverse diameter 28.1 



Ml, anteroposterior diameter of protocone.. 11.6 



M-, anteroposterior diameter 



M-, transverse diameter 



M-, anteroposterior diameter of protocone.. 



M-, anteroposterior diameter 32.9 



M-, transverse diameter 24.9 



M-, anteroposterior diameter of protocone.. 12.5 



No. 23239, 



etc., 



type, 

 premolars 



(40.4) mm. 



28.4 



9.6 



34.4 

 31.5 



(14.3) 



30.2 

 29.5 

 13.4 



27.8 

 28.8 

 12 



27.4 

 27.6 

 11.3 



24 



No. 23236, 

 etc. 



28.2 mm. 

 (9.9) 



30.2 

 28.5 

 13.3 



27.4 

 26.1 

 11.7 



27.1 

 25.7 

 11 



31.7 

 23.4 

 12.8 



Measurements of Lower Cheek Teeth and Mandible of Equus bautistensis, 



Referred Specimens 



Nos. 23249, 

 23241, 



2.32.50, No, 23106 No. 23913 



23248 mandible mandible 



P2, anteroposterior diameter 33.6 mm. 36.2 mm. 



P5, transverse diameter 14.6 14.2 



P5, anteroposterior diameter of metaconid- 



metastylid column ]5.2 15.6 



P3, anteroposterior diameter 32.9 31.9 32.7 mm. 



P3, transverse diameter (15.4) 14.2 18.8 



P5 anteroposterior diameter of metaconid- 



metastylid column 17.3 18.6 19.7 



Pj, anteroposterior diameter 30.1 30.7 31.7 



Pi, transverse diameter 16.3 13.4 17.5 



Pj, anteroposterior diameter of metaconid- 



metastylid column 18.7 15.2 



Ml, anteroposterior diameter 31.1 27.5 27.3 



Mj, transverse diameter 16.3 



Mj, anteroposterior diameter of metaconid- 



metastylid column 15.1 15.3 



