Perkins.] 162 [November 3, 



GASTEROPODA. 



Fasciolaria ligata Mighl. Stonington, Ct, Linsley. 



Bela barpularia Couth. Stratford, Ct., Linsley. 



Fusus imbricatus De Kay. " " 



Fusus Trumbulli Linsley. Stonington, Ct., Linsley. 



Buccinum undulatum. " " 



Buccinum zonalis Linsley. " " 



Nassa vibex Say. New Haven, Ct., " 



Purpura lapillus. Stonington, Ct., Linsley. 



Columbella rosacea Gould. Stonington, Linsley. 



Pleurotoma bicarinata Couth. " " 



Mamma? immaculata. Stonington, Linsley, and Gardiner's Bay, 

 Long Island, N. Y., S. Smith. 



Natica clausa Sowb. Stonington, Linsley. 



Natica pusilla Say. " " Gardiner's Bay, L. I., S. 



Smith. 



Eulima subangulata Stimps. Gardiner's Bay, L. I., S. Smith. 



Cascuni pulchellum Stimps. " " " 



Caecum Cooperi Smith. " " " 



Vermetus radicula Stimps. " " " 



Vermetus lumbricalis Lam. New Haven and Stonington, Linsley. 



Scalaria clathrus Linn. Stonington, Linsley. 



Littorina littorea Linn. " " 



Littorina peconica Smith. Gardiner's Bay, L. I., S. Smith. 



Lacuna neritoidea Gould. Oyster River, Ct.,. Linsley. 



Margarita obscura Couth. Stonington, Ct., " 



Crucibulum striatum Say. Gardiner's Bay, S. Smith. 



Tectum alveus Couth. Stratford, Ct., Linsley. 



Chiton marinoreus O. Fabr. Stonington, Linsley. 



Chiton apiculatus Say, Gardiner's Bay, N. Y., S. Smith. 



Chiton ruber Lowe, Stonington, Ct., Linsley. 



NUDIBRANCHIATA. 

 (Eolis vermiferus Smith, Gardiner's Bay, N. Y. 



LAMELLIBRANCHIATA. 



Teredo dilitata Stimps. Gardiner's Bay, N. Y., S. Smith. 

 Pholas crispata Linn. Stonington, Ct., Linsley. 



