50 



Cincinnati Society of Natural History. 



Glossothoka. 



Leda sp. (allied to L. improcera C.) 



Leda sp 



Venericardia Sillimani, Lea 



Venericardia rotunda, Lea 



Venericardia complexicosta, Mr. & Aid. 



Crassatella alta, Con 



Crassatella protexta, Con 



Chania mississippiensis, Con 



Mysia rotunda, Lea sp 



Cytherea minima. Lea 



Cytherea Hydii ? Lea 



Cytherea Poulsoni ? Con , 



Tellina nitens. Lea sp 



Mactra parilis, Con 



Corbula Alabamiensis, Lea , 



Corbula engonata, Con 



Corbula Murchisoni, Lea var. fossata, 



Mr. & Aid 



Nesra multiornata, Mr. & Aid. ... 



Teredo simplex. Lea 



Xylophaga ? mississippiensis, Mr. & 



Aid 



DiVERSA. • 



Platytrochus Stokesii, Lea 



Endopachys Maclurii, Lea 



Flabellum Wailesii, Con • 



Three other species of Corals 



Three species of Bryozoa 



Scalpellum eocenense, Mr 



Scalpellum subcpiadratum, Mr. & Aid. 



Belosepia ungula, Gabb 



Belemnosis Americana, Mr. & Aid. . . 



o 



o 

 o 6 o 



o o o 



o 

 o o o o 



o o o 

 o o 

 o o o o 



o o 

 o 

 o 



o o o o 

 o o o o 



GOO 



o o 



GO O 



o 



G O 



o 



O O O G 

 O GO 

 GO G 



G O G O 

 G 



O G G 

 O 



Entrepiise. 

 Monroe Co., Ala. 



NOTES. 



Ill Distort rix '/iiii-soiiciisis, Mr., though ditlerctit from D. sr/>ti-iiuifiitcitti, G;ibb, is 

 so closely related to this species, that it is probably better to consider it a variety. 



|2l The present state of the American Tertiary literature is sucli that a determina- 

 tion and description of all these species of Pliitrotoniit must be postponed. 



f3l Bulla AIdn'cln\ Langdon, is a synonym of B. tyiumbilicata Mr. As, how- 

 ever, the latter name is preoccupied by the similar and perhaps identical £■ biumbili' 

 cata, Desh., Mr. Langdon's name has to be used at present, 



