190 FAUNA OF NEW ENGLAND. 



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

 fig. 740. 



Yt. — Lake Champlain. 

 Mass.— Dalton (Winkley). 



*Planorbis campanulatus Say. 



Say, Joum. 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 Sa3^ 



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

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

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



Me. — Norw^ay. 



Vt. — Burlington; Chimney Point, Lake Champlain. 

 Mass. — Ljmnfield; Cambridge; Concord. 

 R. I. — Valley Palls 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. — Pro\'idence and Worcester Canal ; Valley Falls. 

 Conn. — Stonington; New Haven. 



