POIA'PIvACOPHOKA. 



Chaetopleura apictilata Say; Huntington. 

 Trachydermon albus Linnaeus; Montauk, S. & P. 



I'lvUECYPODA. 



Teredo - -; all coasts in submerged timber. 



Pholas truncata Say; Centre Island; Barren Island. 



Ensis directus Conrad ; all coasts, plentiful. 



Solemya" velum Say; Huntington, rare. 



Tagelus gibbus Gray; Centre Island. 



Mya arenaria Linnaeus; all coasts, abundant. 



Pandora trilineata Say; Lower Bay. 



Lyonsia hyalina Conrad; Centre Island; Huntington. 



Mactra solidissima Chemnitz; all coasts, abundant. 



M. lateralis Sa}^; Centre Island. 



Tellina tenera Say ; soutb coast. 



Macoma balthica Linnaeus; Montauk. 



M. tenta Say; Greenport, S. & P. 



M. Calcarea Gmelin ; Dall; Nat. Mus. Proc. 190123, 299. 



Donax fossor Say; Far Rockaway. 



Petricola pholadiformis Lamarck; abundant. 



Venus mercenaria Linnaeus; common. 



Y. mercenaria var. notata Say; rare. 



Cytherea convexa Say; Far Rockaway. 



Gemma gemma Totten ; Centre Island, very abundant in July, 1903, 



rare 1902, 1904. 



Cardium pinnulatum Conrad; Peconic Bay, S. & P. 

 C. ciliatum Fabricius ; Dall. in Nat. Mus. Proc. 1901. 

 C. mortoni Conrad; Centre Island, abundant. 

 Divaricella quadrisulcata d'OrI)igny (- Lucina strigilla) ; Manhattan 



Beach ; dead sliell. 



Lucinella divaricata Linnaeus; Manhattan Beach. 

 Solemya velum Say; Greenport, rare, S. & P. 

 Astarte castanea Say; south coast. 

 A. sulcata Montague; Northport, plentiful. 

 Xucula proxima Say: Centre Island. 

 Yoldia limalula Say; Lower May. 

 Y. -a p'H ilia Gould; Greenport, S. & P. 

 Area pexata Say: bays. Sound and ocean. 

 A. transversa Say; Centre Island. 

 Mytilus ednlis l,innaeus; bays and Sound; many marked with rich 



brown rays at Centre Island. 

 Modiolus modiolus Linnaeus; Centre Island. 

 M. i)lieatulus Lamarck; abundant everywhere. 

 Pecten irradians Lamarck; all bays. 

 Anemia glabra Linnaeus: abundant. 



