:6i - 



Oroatan formation, I'orth 3r,rolina (Gardner, I,!ss.), '.Vacc^amarr form- 

 ation, y—^'- •--"" Jouth Carolina (auctores^ Jaloosahatchie marl, 

 Florida (-Uall, 1898, liraon, Costa Rioa (GaTDb, 1081), Santa Kosa 

 end Santa Maria Ta'- " , Kexico (Bose, 1906). Pleistocene: Atlan- 

 tic and Gulf coasts from South Oarolina so"-^' rd (Dall, 1898). 



decent: Jaue SalDle to I.-artinique in less than IS fathoms. 



