36 Twenty-fifth Report on the State Museum. 



Cytlierea convexa Say New York bay. 



Mactra lateralis Say Greenport. 



Mactra solidissima Ghem 



Mesodesma arctatum Gould Easthampton. 



Donax fossor Say New York liarbor. 



Cumingia tellinoides Conr Montauk. 



Tellina fusca Philijpj^i Greenport. 



Tellina tenera Say 



Tellina tenta Say Greenport. 



Solemya velum Say Huntington. 



Solecurtus gibbus F.deH. Coney Island. ■ 



Solen ensis Linn 



Anatina papyracea Say Greenport. 



Cochlodesma Leanum Migh 



Lyonsia hyalina Co7ir Greenport. 



Pandora trilineata Say Montauk Point. 



Corbula contracta Say Greenport. 



Petricola pholadiformis Lam 



Saxicava arctica Desk Montauk Point. 



Prosobranchiata. 



Chiton apiculatus Say Huntington. 



Tectura testudinalis Gray Glencove. 



Crepidula fornicata Lam 



Crepidula unguiformis Lam 



Crepidula convexa Say 



Paludina decisa Say Eiverhead. 



Amnicola porata Gld Eiverhead. 



Littorina rudis Gld 



Littorina litoralis F. <& IL 



Littorina irrorata Gray Huntington. 



Lacuna vincta Turton 



Rissoa minuta St Montauk Point. 



Coecum pulchellura St Greenport. 



Cerithium Sayi MenTte 



Cerithium Greenii C. B. Ad Canarsie. 



Cerithium nigrocinctum C. B. Ad Canarsie. 



Chemnitzia interrupta St Huntington. 



Chemnitzia trifida St 



Chemnitzia seminuda St . Greenport. 



