NORTH AMERICAN CONCHOLOGY. 



65 



Tage. Name. 



390 Bulla hiemalis Couth. 



390 Gouldii Couth. 



390 Pleurotoma decussata Couth. 



390 Anculotus dentatU3 Couth. 



Locality. 

 Massachusetts Bay. 

 Massachusetts Bay. 

 Massachusetts Bay. 

 Potomac, Va. 



C. B. Adams — (From same.) 

 and descriptions of new species: 



Notes on the following shells, 



Page Name. Locality. 



387 Columbella avara Say. Massachusetts. 



387 Buccinum vibex Say. (Nassa.) Massachusetts. 



357 trivittatum Say. (Nassa.) Massachusetts. 



387 obsoletum Say. (Nassa.) Massachusetts. 



388 Purpura lapillus L. Massachusetts. 



358 Fusus cinereus Say. Massachusetts. 

 3S8 Ranella caudata Say. Massachusetts. 

 388 Jaminia seminuda Adams. Dartmouth. 

 388 Pyramis fusca Adams. New Bedford. 

 3S8 Cerithiurn Emersonii Adams. New Bedford, &c. 

 388 nigrocinctum Adams. Dartmouth. 



A. A. Gould, M. D. — (From same, vol. xxsvii, July-October, 

 1839.) 



Page. Name. Locality. 



392 Helix aspersa Mull. Portland, Maine. 



fla9cleman. — A Monograph of the Limniades and other fresh- 

 water Univalve Shells of North America: by S. Stehman IIal- 

 deman, Member Phila. Acad. Nat. Sci., Philadelphia. 



No. I— July, 1840. 



Pa. PI. Fig. Name. 



4 i Paludina decisa Say. 



P. heterostropha Kirtland. 

 limosa Val. 

 cornea Val. ? 

 ponderosa, jun. Desh. ? 



8 ii subcarinata Say. 



Helix decisa Wood. 



Locality. 



Ohio riv., N.J. streams; 

 Del., Schuylkill, Sus- 

 quehanna rivs. ; New 

 Engl., 0. ; Fox, Nola- 

 chucky, Tenn. rivs. ; 

 N. W. Terr. 



Ohio, Del., Schuylkill, 

 and Susq. rivers. 



P. carinata Val. (removed in errata). 



