The Tertiary Fauna of Neivton aiid Waiitiibbcc, Miss. 47 



Cephalopoda. 

 Belcmnosis Aiiicritaiia, n. sp. 

 Plate II. Figure 26, 2^a. 



Phragmocone rather long, straight, with horizontal sutures. 

 Rostrum obtusely conical below, quadrangularly flattened above. 



Wautubbee. 



Only one specimen of this genus has heretofore been known. 

 It is from the London clay, and seems to be less perfect than our 

 type. 



Enumeration of the Species Found. 



