10 



or 7 fine, minutely crenulated or wrinkled striae; beak pro- 

 duced and slightly reflected. 



Locality. St. Mary's River, Md. Upper Tertiary. 



FUSUS CINEREUS. Tab. 4, fig. 3. 



4 Short fusiform, with large longitudinal rounded ribs and spiral 

 elevated lines somewhat alternately smaller ; beak short and 

 slightly reflected. 

 Syn. Fusus GINEBKUS, Say. Journ. A. N. S. v. 2, p. 23$. 



American Conch. No. 3, t. 29. 



Locality. James River,\ near Smithfield. Va. Upper Ter. 



A common species on many parts of our coast, frequenting 

 oyster beds, to which it ^has proved so destructive in Haritan 

 Bay, that the owners have been obliged to remove certain beds 

 to escape the depredations of this little univalve. 



BUCCINUM PORCINUM. Tab. 4, fa. 4. 



Subovute acute, thick, with numerous slight longitudinal un- 

 dulations, and sphal little ^elevated striij; body whorl ventri- 

 cose; spire tapering and acute at the apex; aperture rather 

 small ; right lip striated 'within. 

 Syn. BUCCINUM PORCINUM, Say, Journ. A. N. S. v. 4, p. 120. 



Locality. York Town, Va. Upper Tertiary. 



BUCCINUM LAQUEATUM. Tab. 4, fig. T>. 



Ovate conical, with spiral strioe, and minute spiral lines be- 

 tween ; ribs or folds elevated, subacute, obsolete on the inferior 

 half of the body whorl. 



Locality. James River, near Smithfield, Va. Upper Tertiary. 



BUCCINUM ALTILE. Tab. 4, fig. C. 



Subovate, with numerous longitudinal undulations and obtuse 

 spiral striiu ; body whorl rather ventricoso; spire conical: apex 

 obtuse. 



Locality. James River, near Smithfield, Va. Upper Tertiary. 



