Report on the MbUusca of Long Island, X. F"., 



Rangt — Gardiner's Bay to Greenland. 



L6. MytUus latvigatus } St. New Fork Bay (Wheatley). One 

 fresh valve dredged in Gardiner's I»ay in about live fathoms mud. 

 Range— Gardiner's Bay to Greenland. 



17. MytUus plicatulus, Deshayes. Common everywhere. Lit- 

 toral. 



Range— Georgia to Gulf of St. Lawrence. 



18. MytUus modiolus, Linn. Common everywhere. At Green- 

 port in ten fathoms or Less. 



Range — New York to" l>ehring\s Straits ; N. Scandinavia to Brit- 

 ish < 'haniiel. 



L9. MytUus edulis, Linn. Everywhere. Littoral. 



Range Tiimjia Bay to Greenland ; N. Scandinavia to MEogador. 



20. MytUus hamatus, Say. New York Harbor, alive ; attached 

 to oysters brought from the South, in all likelihood very recently. 



Range — New Orleans to New Fork. 



Unionidae. 



21. Uhio compla/natm, Lea. Riverhead ; moderately abundant. 



Corbiculadse. 



22. Sjilni rili in /, iirln mi iinn, Say. Astoria, Huntington, Riverhead, 

 Southold, Greenport, Shelter and Gardiner's Islands, and Bdontauk. 



23. Sphcerium 8ecv/ris, Prime. Riverhead, Greenport, Shelter Isl- 

 and, and Montauk. 



*_' I. Pisidium abditum, Said. Common. 



25. Pisidium va/riabile, Prime. Centerport, very rare. 



Kelliadie* 



l'i'p. Mbntacula elevata, St. Greenporl : only one valve. 

 Range ' • i eenporl bo ' 1 1 eenland. 



27; K.ii'ii planulata, St. Rare; at Greenporl in mud, al low 

 wat. i, and at from four to six fathoms; at Little Gull Island under 



stole- at low water ; .Monlallk. 



Range - ( Ireenporl to i Greenland. 



