48 FAUNA OF NEW ENGLAND. 



Cyclas oralis Prime, Proc. Boston Soc. Nat. Hist., 1853, vol. 4, 

 p. 276 (non Ferussac, 1807). "Oswego and Greenwich, N. Y. 



* * * Columbus, O." 



N. H. — Keene. 

 Vt. — Hartland. 



*Musculium partumeium (Say). 



Cyclas partumeia Say, Journ. Acad. Nat. Sci. Phila., 1822, ser. 1, 

 vol. 2, p. 380. " NEAR Germantown, [Pa.]." 



Cyclas orbicular ia Linsley, Amer. Journ. Sci., 1845, ser. 1, vol. 48, 

 p. 276. 



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

 p. 161. 



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



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

 Haven. 



N. H.— Keene. 



Mass. — Cambridge; Readville; Revere. 



R. I. — Bailey's Pond, Newport; Nyatt. 



Conn.— Old Mill Hill Brook, Stratford; East Haddam. 



* Musculium securis (Prime). 



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

 p. 160. " Massachusetts." 



Sphaerium securis Gould, Inv. Mass., 1870, p. 107, fig. 413. 



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

 Vt. — Larrabee's Point. 



Mass. — Cambridge; Neponset River, Green Lodge; Concord; 

 East Wareham. 



R. I. — Pawtucket River, below Pontiac; Bailey's Pond, Newport. 



*Musculium securis cardissum (Prime). 



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



