534 University of California Publications in Geology 



[Vol. 9 



MEASUREMENTS 



P. simpli- P. cum 



cidens minsii 



P 3 , anteroposterior diameter 



P 3 , transverse diameter 



P 3 , anteroposterior diameter of protocone 



P 4 , anteroposterior diameter aBl mm 



P 4 , transverse diameter o27 



P 4 , anteroposterior diameter of protocone.. a!2 



M 1 , anteroposterior diameter 22 



M 1 , transverse diameter a25.5 



M 1 , anteroposterior diameter of protocone 9.5 



M 2 , anteroposterior diameter 



M 2 , transverse diameter 



M 2 , anteroposterior diameter of protocone 



P 2 , anteroposterior diameter 39 



P 2 , transverse diameter 16.5 



P 2 , anteroposterior diameter of metaconid- 



metastylid column 16.5 



P 3 , anteroposterior diameter 33.6 



P 3 , transverse diameter 17 



P 3 , anteroposterior diameter of metaconid- 



metastylid column 20 



P 4 , anteroposterior diameter 33 



P 4 , transverse diameter 17 



P 4 , anteroposterior diameter of metaeonid- 



metastylid column 20 



M 1( anteroposterior diameter 32 



M,, transverse diameter 15.5 



M lf anteroposterior diameter of metaconid- 



metastylid column 16.5 



M 2 , anteroposterior diameter 31 



M 2 , transverse diameter 15.8 



M 2 , anteroposterior diameter of metaconid- 



metastylid column 17 



M 3 , anteroposterior diameter 37 



M 3 , transverse diameter - 14.1 



M.„ anteroposterior diameter of metaconid- 



metastylid column 16.5 



a, approximate. 



io M 1 or M 2 . 



Transmitted March 14, 1916. 



P. pro- 



versus E. ocei- 



No. dentalis 



22328 No. 21001 



33 mm. 30.4 



28.5 28.2 



al0.7 11.9 



No. 

 21331 



30.2 



29 28.4 

 al0.2 12 



No. 

 10 21330 



30 26.3 

 a27 27.1 



13.8 11.1 

 27.5 

 26.8 

 12.8 



No. 

 12269 



34 

 17.8 



15.9 

 29.8 

 17 



18.3 



No. 

 21332 



34.1 29.5 

 18.2 



17.7 17.7 



No. 

 21333 



27.5 26 

 17 



13.9 



No. 

 22314 



27 27 



12.8 17.3 



13.6 14.8 



No. 

 21333 



36.2 31.5 

 13.8 16 



14.7 13.4 



