48 FArXA OF XEW EXGL.IXD. 



Cycla.s oxalls Prime,, Proc. Boston Soc. Xat. Hist., 1553, vol. 4, 

 p. 276 {non Ferussac, ISOTj. '"'Oswego and Greexwich, N. Y. 



* * * CoLUMBrs, 0." 



N. H. — Keene. 

 Vt. — Hartland. 



*Musculium partumeium ^Say). 



Cyclas partumeia Say, .Jouxn. Acad. Xat. Sci. Phila,, 1S22, ser. 1, 

 vol. 2, p. 350. " XEAE GERMAierowN, [Pa.]." 



Cyclas orbicularia Linsley, Anier. Joum. Sci., 154.5, ser. 1, vol. 48, 

 p. 276. 



Cyclas coerulea Prime, Proc. Boston Soc. Xat. Hist., 1852, vol. 4, 

 p. 161. 



Sphaeriurn partumeium Gould, Inv. Mass., 1870, p. 103, fig. 408. 



Me. — Great Pond, Cape Elizabeth; South. Newcastle; North 

 Haven. 



X. H. — Keene. 



ALvss. — Cambridge; Readville; Revere. 



R. I. — Bailey's Pond, Xewport; Xyatt. 



Coxx. — Old ]Mill Hill Brook, Stratford: East Haddam. 



* Musculium securis (Prime). 



Cyclas securis Prime, Proc. Boston Soc. Xat. Hist., 1852, vol. 4, 

 p. 160. " ]VLissACBrrsETTs." 



Sphaeriurn securis Gould, Inv. Mass., 1570, p. 107, fig. 413. 



Me. — Aroostook River, Caribou; Scarboro; Saco; Old Orchard. 

 Vt. — Larrabee's Point. 



]SL^ss. — Cambridge; Xeponset River, Green Lodge; Concord; 

 East Wareham. 



R.I. — Pawtucket River, below Pontiac; Bailey's Pond, Xe-^^-port. 



*Musculiuin securis cardissum Prime). 



Cyclas cardissa Prime, Proc. Boston Soc. Xat. Hist., 1852, vol. 4, 



