er: 
52 
Michigan. 
Virginia. 
South Carolina. 
Georgia. 
Florida. 
Minnesota. 
St. Ignace Island, Lake Superior. 
Cyclas minor, C. B. Adams.  sWeybridge, Vt. (Ex 
auctore.) 
Pisidium tenellum, Gould. Lake Superior. (Ex auctore.) 
Pisidium minus, Stimpson. Cambridge, Mass. (Ex 
auctore.) 
Pisidium Kurtzii, Prime. Charleston, S. Ca. 
. Pisidium zonatum, Prime. Cambridge, Mass. 
. Pisidium vegulare, Prime. Ohio. 
. Pisidium notatum, Prime. Washington Co., N. Y. 
. Pisidium vresartum Ingalls. Washington County, N.Y. 
(Ex auctore.) 
Pisidium rubrum, Lewis... Herdimer County, N. Y. (Ex 
auctore.) 
Pisidium plenum, Lewis.  Otsego County, N. Y. (Ex 
auctore.) 
. Pisidium Nov.-Eboracense, Prime. Western New York. 
. Pisidium amplum, Ingalls. Washington County, N. Y. 
(Ex auctore.) 
