CEPHALOPODA. 



Loligo peali Lesseur; Centre Island, common, taken in nets. 



GASTROPODA. 



Urosalpinx cinerea Say ; everywhere, abundant. 



Eupleura caudata Say; everywhere, few. 



Purpura lapillus Linnaeus ; Montauk, abundant. 



Fulgur canaliculatum Linnaeus ; all coasts. 



F. carica Linnaeus ; all coasts. 



Nassa trivittata Say; all coasts, abundant. 



N. vibex Say; Centre Island, few. 



N. obsoleta Say; all coasts, abundant. 



Columbella avara Say; Centre Island, few. 



C. lunata Say ; Centre Island, few. 



Clathurella plicata Adams ; Huntington, S. & P. 



Daphnella cerina Kurtz & St. ; Huntington, S. & P. 



Natica duplicata Say; all coasts. 



N. heros Say; all coasts. 



Crepidula fornicata Lamarck ; all coasts. 



C. plana Say ; all coasts. 



C. convexa Say ; all coasts. 



Scala lineata Say; Centre Island. 



Odostomia seminuda Adams ; Centre Island. 



O. fusca Adams ; rare, S. & P. 



O. trifida Totten ; common, S. & P. 



O. bisuturalis Say ; Huntington, S. & P. 



Littorina rudis Donovan : all coasts ; varies in size and surface 



markings. 



L. palliata Say (or Lin.?) ; all coasts; varies in size and color. 

 L. littorea Linnaeus ; all coasts, abundant. 

 Lacuna divaricata Fabricius ; Centre Island. 

 Bittium nigrum Totten ; Centre Island, abundant. 

 Cerithiopsis greeni C. B. Adams ; Greenport, rare, S. & P. ; Cold 



Spring Harbor, Balch. 



C. emersoni Stimpson ; Greenport, S. & P. 

 C. terebrale C. B. Adams; Greenport, S. & P. 

 Triforis nigrocinctus C. B. Adam.-> ; Greenport, rare, S & P. 

 Scenea planorbis Fabricius ; Centre Island. 

 Rissoa minuta Totten ; Centre Island, Balch. 

 Acmaea testudinals Miiller ; Centre Island, living, rare 

 Actaeon pnnctostriata Adams; Greenport. S. & P. 

 Cylichna alba Brown; Centre Island, rare. 



PUI.MONATA. 



Alexia myosotis Drap. ; rare; Cold Spring, Balch. 

 Melampus lineatus Say; all coasts, abundant. 



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