24 FAUXA OF XEW ENGLAND. 



Anodonta undulata Say, Xich. EncycL, 1816, vol. 2, pi. 3, fig. 5. 

 [United States.] 



Me. — Androscoggin River at Bethel; Warren; Aroostook Co. 



N. H. — Connecticut River at Hanover. 



Vt. — Connecticut Paver at Hartland. 



Mass. — Ware; Uxbridge; Bullow's Pond, Newton. 



R. I. — Warwick; Pro^ndence ; North Smithiield. 



Conn. — Housatonic River. 



*Anodonta cataracta Say. 



Say, Nich. EncycL, 1816, vol. 2, pi. 3, fig. 4. [United States.] 

 Simpson, Descriptive Cat. Naiades, 1914, p. 386. 



Anodon fiuviaiilis Gould, Inv. Mass., 1870, p. 178, fig. 4S0. 



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



*Anodonta marginata Say. 



Say, Nich. EncycL, 1816, vol. 2, pi. 3, fig. 5. [Uxited States.] 

 Simpson, Descriptive Cat. Naiades, 1914, p. 388. 



Anodonta fragilis Lamarck, Hist. Nat. Anim. sans Vert., 1819, 

 vol. 6, pt. 1, p. 85. 



Anodonta lacustris Lea, Joum. Acad. Nat. Sci. Phila., 1860, ser. 2, 

 vol. 4, p. 363, pi. 62, fig. 188. 



!Me. — Salmon Brook Lake, Perham (Nylander) ; Warren 

 (Lermond). 

 Vt. — Wallingford; Otter Creek. 



*Anodonta implicata Say. 



Say, New Harmony (Ind.) Disseminator, 1829, vol. 2, no. 22, p. 

 340. "Danvers, Mass." Simpson, Descriptive Cat. Naiades, 

 1914, p. 391. 



Anodonta newtoniensis Lea, Trans. Amer. Phil. Soc, 1839, new 

 ser., vol. 6, p. 79, pi. 21, fig. 66. 



