﻿ANODONTA 387 



^hiodou cataract US SowuRitv, Concli. Man., 1839, fig. 152; 



Conch. Icon., X\'II, 1867, pi. ix, fig. 25. 

 ? Mytilns flui'iatilis Dii.i.wvn, Cat., I, 1817, p. 316. 

 Anodonta fhiriatilis llosc. Hist. Nat. Coq., 1824, III, p. 143. 

 Margarita (Anodonta) fliniatilis Ij-:a, Syn., 1836, p. 51 ; 1838, 



p. 30. 

 Anodon fluviatilis Gould, Inv. Mass., 1841, p. 117, fig. 80. — 



De Kav. Zool. of X. Y., Pt. 5, 1843, p. 203, pi. XVIII, fig. 



234. — Hartman and Michener. Conch. Cest., 1874^ p. 94, 



fig. 192. — SowERBY, Conch. Icon., XVII, 1869, pi. xxii, fig, 



86. — BiNNEY. Inv. of Mass., 2d ed., 1870, p. 178, fig. 480. 

 Margaron (Anodonta) flirAatilis Lea, Syn.. 1852, p. 50; 1870. 



p. 80. 

 Mytilns marginatus Eaton, Zool. Text-Rook, 1826, p. 224. 

 ^inodonta dignota Ferussac, Guer. Mag., 1835. p. 25. 

 Anodonta 2'irgiilata Lea, Pr. Ac. N. Sci. Phila., I, 1857, p. 86; 



Jl. Ac. N. Sci. Phila., V, 1862, p. 213, pi. xxxiii, fig. 282; 



Obs., IX, 1863. p. 35, pi. XXXIII, fig. 282. — Clessin, Conch. 



Cab. Ano.. 1874, p. 152, pi. xlix, figs, i, 2. 

 Margaron (Anodonta) 7'irgiilata Lea. Syn., 1870, p. 80. 

 Anodonta zvilliamsii Lea, Pr. Ac. N. Sci. Phila., VI, 1862, p. 



169; Jl. Ac. N. Sci. Phila.. VI, 1866. p. 27, pi. x, fig. 26; 



Obs., XL 1867, p. 31, pi. x, fig. 26. — Ceessin. Conch. Cab. 



Ano., 1874, p. 154, pi. 1,1, figs. I, 2. — SowERr.Y, Conch. Icon., 



XVII, 1870, pi. XXVIII, fig. 112. 

 Margaron (Anodonta) williantsii Lea, Syn., 1870, p. 81. 

 Anodonta tryonii Lea, Pr. Ac. X^. Sci. Phila., VI, 1862, p. 169; 



Jl. Ac. X. Sci. Phila., ^7, 1866, p. 28, pi. x, fig. 27; Obs., 



XI. 1867, p. 32, pi. x, fig. 27.^ — Clessin, Conch. Cab. Ano., 



1874, p. 155, pi. LI. figs. 3, 4. 



Margaron f.lnodouta) tryonii Lea, Syn., 1870, p. 80. 

 Anodon tryonii H.\rtman and Michener, Conch. Cest., 1874, 



p. 95, fig. 195. 



This species is probably better known by Dillwyn's name, 

 flni'iaiilis. According to Binney, (Bib. Am. Con., II, p. 2yy), 

 the first edition of Xicholson's Encyclopedia appeared in 18 17. 

 Dillwyn refers his species to Gmelin, who states that his shell 



