382 Report on th< MoUusca of Long Island, JV. 1", 



( '. bisuturcdis, Si . 

 /'. variabiU . Pr. 

 Mbntacuta eh vata, Si . 

 < 'ardita borealis, < 'mi. 

 . Istarte lunidata, (Jon. 

 Cyprina Tslandica, Lam. 

 Venus flfanliattensis, Pr. 

 Mactra similis, Say. 

 Cumingia tellinoides, ('on. 

 T, II inn t> ii in. Say. 

 S • mya borealis. Tot. 

 Solecurtus bidens, F. it H. 

 Thrada Conradi, Couth. 

 .Kni'is vermiferus, Smith. 



and all 



Rissoa Stvmpsoni, Smith. 

 IsTatica pusilla, Say. 

 CeritJdopsis terebeUum, St. 

 ( '. Emersonii, St. 

 Columbella Gouldiana, Ag. 

 Ph a column c.r'ni a Wj K. & St. 

 Grundlachia Stimpsoniana, Smith. 

 I ', rt'njn milium, (rid. 

 Helix Hiii lift/unit. Morse. 

 7/. minutissima, Lea. 

 Limax maximum, Linn. 

 . I /•/</// fuscus, Miill. 

 Loligo illecebrosa, Lesueur. 

 Tjoligo /'<<i/ii, Lesueur. 

 the Tunicata. 



X<A ///yf/ linn <i1 ik, Tott. and Thrada ( onradi, Couth, may still 

 be considered doubtful, as only worn specimens or fragments 

 are obtained. 



Of the L49 marine species recorded on good authority be- 

 tween New Fork and Cape Cod (131 from Long Island), ^ap- 

 pear to be ;ii or near the northern limit of their geographical 

 range, — extending from North Carolina, South Carolina, orfar- 

 thersouth, — and of these only LO pass Cape Cod into Massachu- 

 Bay ; t7 are al the southern Limit, 35 of which reach the 

 Gulf of St. Lawrence, or farther north, and 1- extend only to 

 Maine or Nova Scot ia ; "2'J. extend from North or South ( 'aroli- 



n:i or farther south to the Gulf of St. Lawrence, or farther north, 

 and 11 from the Bame southern limits only to Maine or Nova 

 Scotia; L5 occur only between New York ami Capet 'oil, while 

 1 arc found also in Massachusetts Bay; 1 is oceanic. 



Referring them to Molluscan provinces, established by E. 

 Forbes, the " Atlantic," extending from Florida to Cape Cod, 

 the •• Boreal " from Cape Cod to the Gulf of St. Lawrence, and 

 the " Arctic," embracing all the region north of this, 52 occur 

 only in the Atlantic province (including a very few which en 



