64 



CALIFOKNIA ACADEMY OF SCIENCES. 



Tapes tcnerrima Carpenter 



Tp.llina bodeyensis Hinds 



Terehra simplex Carpenter 



Tivela crassaCelloides Conrad 



Tomalina cerealis Gould 



Tornatina culcilella Gould 



Tomalina harpa Dall 



Tresus nullalli Conrad ■. 



Turritella cooper! Carpenter 



Turbonilla (four species) 



Vilrinella, sp. iudet 



Vfnericardin ventricosa (?) Gould 



Volvarina varia Sowerby 



Volvula cylindrica Carpenter 



Yoldia coopari Gaee 



Pleistocene. 



O.P3 



X 

 X 



X 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 



CI CU 



