190 FAUNA OF NEW ENGLAND. 



Planorbis trivolvis Gould, Inv. Mass., 1870, p. 48S (in part), 

 fig. 740. 



Vt. — Lake Champlain. 

 Mass.— Dalton (Winkley). 



*Planorbis campanulatus Say. 



Say, Journ. Acad. Nat. Sci. Phila., 1821, ser. 1, vol. 2, p. 166. 

 " Cayuga l,\ke, [New York]." Gould, Inv. Mass., 1870, p. 492, 

 fig. 743. 



Me. to Conn. — ^Common in most of the lakes and streams. 



*Planorbis (Menetus) exacuous Say. 



Planorbis exacuous Say, Journ. Acad. Nat. Sci. Phila., 1821, ser. 1, 

 vol. 2, p. 165. "Lake Champlain." 

 Planorbis exacutus Gould, Inv. Mass., 1870, p. 495, fig. 746. 



Me. — Norway. 



Vt. — Burlington; Chimney Point, Lake Champlain. 

 Mass. — Lynnfield; Cambridge; Concord. 

 R. I.- — Valley Falls Pond; near Pawtucket (Carpenter). 

 Conn. — Tashua Church Brook (Linsley); West River, near 

 New Haven. 



*Planorbis (Gyraulus) hirsutus Gould. 



Planorbis hirsutus Gould, Amer. Journ. Sci., 1840, ser. 1, vol. 38, 

 p. 196. [Mansfield, Mass.] Gould, Inv. Mass., 1870, p. 493, 

 fig. 744, 



Planorbis albus Binney, Smithson. Misc. Coll., 1865, vol. 7, art. 2, 

 p. 132, figs. 219-221 inon Miiller). 



Me. — Portage Lake; Rockland. 

 Vt. 



Mass. — Cambridge; Dedham ; j^Dorchester ; Sharon; Duxbury; 

 Wareham. 

 R. I. — Providence and Worcester Canal; Valley Falls. 

 Conn. — Stonington; New Haven. 



