112 FAUNA OF NEW ENGLAND. 



Me. — Saco River; Aroostook and Fish Rivers. Common ia 

 most of the streams and lakes, from northern Maixe to Connecti- 

 cut. 



*Cainpeloina rufum (Haldeman). 



Baker, Bull. Chicago Acad. Sci., 1902, no. 3, pt. 2, p. 358, pi. 36, 

 figs. 4, 6. 



Paludina rufa Haldeman, Monogr. Limniades, 1844, pt. 3, p. 3 

 of wrapper, pi. 3, fig. 1. 



Me.— South Pond, Buckfield (J. A. Allen). 

 Vt. — Lake Champlain. 

 Mass. — Pontoosuc Lake. 

 Conn. — Housatonic River. 



*Viviparus malleatus (Reeve). 



Paludina malleata Reeve, Conch. Icon., 1863, vol. 14, Paludina, 

 pi. 5, figs. 25a, 25b. " Japan." 



]VL\ss. — Muddy River, between Boston and Brookline — in- 

 troduced (see Nautilus, 1915, vol. 29, p. 35). 



VALVATIDAE; 



*Valvata tricarinata (Say). 



Gould, Inv. Mass., 1870, p. 286, figs. 549, 550. Walker, Nauti- 

 lus, 1902, vol. 15, p. 122, fig. 1. 



Cyclostoma tricarinata Say, Journ. Acad. Xat. Sci. Phila., 1817, 

 ser. 1, vol. 1, p. 13. " river Del.^ware." 



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



*Valvata tricarinata confusa \Yalker. 

 Walker, Nautilus, 1902, vol. 15, p. 124, fig. 2. No locality. 

 Vt. — Shelbume Bay, Lake Champlain. 



