> om -m 
SE 
Syg 
Connecticut. 
Massachusetts. 
Saratoga Lake. 
Virginia. 
Pisidium grande, Whittemore, Cambridge, Mass. 
auctore. 
5... PISIDIUM ABDITUM, Haldeman. 
Smithson. Monogr. 
Lancaster County, Pa. (Ex auctore,) 
New Jersey. 
Quebec. 
Maine. 
New Hampshire. 
New Brunswick. 
Massachusetts. 
Rhode Island. 
Connecticut. 
Manhattan Island, N. Y. 
Staten Island, N. Y. 
Long Island, N. Y. 
Western New York. 
Westchester Co., N. Y. 
(Ex 
