384 Report on //<> MoUusca of Long Islcmd^ N . V., 



distributed a suite of types to the State Cabinet, and to the 

 Long [sland Historical Society. 



( >f the L82 species enumerated in our lie-port (including the 

 unidentified onesof De Kay), 70 belong to the Lamellibranchi- 

 ata ; 1 to the Nudibranehiata ; 61 to the Prosobranchiata ; 7 to 

 the Tectibranchiata ; 40 to the Pneumobranchiata ; 3 to the 

 Cephalopoda. At least twenty, mostly undescribed, species of 

 Tanicata, also occur in the waters of Long Uland, making the 

 entire number of known Mollusca exceed two hundred. 



ACEPHALA. 



Lamellebbahchiata. 



Anomiadse. 



1. Anomia ephippium, Linn. Common everywhere. Low water 

 to lo fathoms. 



\;tr. aculeata. Greenport, Little Gull Island, and Montauk. 

 Range — Florida to G. of St. Lawrence; N. Scandinavia to Ma- 

 deira. 



Ostreadae. 



2. Ostrea borealia, Lam., and varieties Vvrginiana and costata. 

 Ranee —Both Bhores of the Atlantic. 



*o v 



Pectenidae. 



■ "'. Pecten MageUanicus, Lam. Conej Island. 

 Range ■— Sandy [Took to Labrador. 



1. Pecten irradians. Lam. Everywhere; more abundant in the 

 I'.c and harbors. Lo\i water to three or four fathoms. 

 Range 'Texas to Nova Scotia. 



A. reads. 



■ >. Area transversa, f&ay. Everywhere; abundant in the bays. At 



aporl t Inee to ten fat limns. 

 Range < ieorgia to Cap< I !od. 



