190 FAUNA OF NEW ENGLAND. 



Planorhis trivolvis Gould, Inv. Mass., 1870, p. 488 (in part),, 

 fig. 740. 



Vt. — Lake Champlain. 

 Mass.— Dal ton (Winkley). 



*Planorbis campanulatus Say. 



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

 " Cayuga lake, [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. 



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

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



Planorhis exacutu^ Gould, Inv. Mass., 1870, p. 495, fig. 746. 



Me. — Norway. 



Vt. — Burlington; Chimney Point, Lake Champlain. 

 Mass. — LivTinfield; Cambridge; Concord. 

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

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

 New Haven. 



*Planorbis (Gyraulus) hirsutus Gould. 



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

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

 fig. 744. 



Planorhis alhus Binney, Smithson. Misc. Coll., 1865, vol. 7, art. 2, 

 p. 132, figs. 219-221 (non Miiller). 



Me. — Portage Lake; Rockland. 

 Vt. 



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

 Wareham. 

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

 Conn. — Stonington; New Haven. 



