NO. 1205. SYNOPSIS OF THE NAIADES SIMPSOX. 645 



* CLESSIN, Conch. Cab. Ano., 1874, p. 132, pi. XLIV, figs. 5, 6.* B. H. WRIGHT, 

 Check List, 1888.* RKTEL, Conch. Sam., Ill, 1890, p. 176. 



* Margaron (Anodonta) bealei LEA, Syn., 1870, p. 81. 



Texas to Kansas. 



t ANODONTA TEXASENSIS Lea.' 



* Anodonta texasensis LEA, Pr. Ac. N. Sci. Phila., Ill, 1859, p. 113; * Jl. Ac.N. Sci. 

 Phila., IV, 1860, p. 366, pi. LXIII, fig. 191; * Obs., VIII, 1860, p. 48, pi. LXHI, 

 fig. 191. * CLESSIN, Conch. Cab. Ano., 1873, p. 109, pi. xxxin, figs. 7, 8. 



* B. H. WRIGHT, Check List, 1888.* P.ETEL, Conch. Sam., Ill, 1890, p. 185. 



* Anodon texasenais SOWERBY, Conch. Icon., XVII, 1870, pi. xxxvi, fig. 146. 



* Margaron (Anodonta) texasensis LEA, Syn., 1870, p. 81. 



Texas. 



t ANODONTA DANIELSII Lea. 



* Anodonta danielsii LEA, Pr. Ac. X. Sci. Phila., II, 1858, p. 139; * Jl. Ac. N. Sci. 



Phila., IV, 1860, p. 365, pi. LXIII, fig. 190; * Obs., VIII, 1860, p. 47, pi. LXIII, 

 fig. 190.* CLESSIN, Conch. Cab. Ano., 1873, p. 108, pi. xxxm, figs. 1, 2. 

 *B. H. WRIGHT, Check List, 1888.* RETEL, Conch. Sam., Ill, 1890, p. 178. 

 * Maryaron (Anodonta) danielsii LEA, Syn., 1870, p. 78. 



* Anodonta danielsii SOWERBY, Conch. Icon., XVII, 1870, pi. xxxvi, fig. 148. 



* Margarita >i a danielxii P.-ETEL, Conch. Sam., Ill, 1890, p. 173. 



Kansas; Indian Territory. 



t ANODONTA OPACA Lea. 



* Anodonta opaca LEA, Tr. Am. Phil. Soc., X, 1852, p. 285, pi. xxv, fig. 46; * Obs., 

 V, 1852, p. 41, pi. xxv, fig. 46.* CONRAD, Pr. Ac. N. Sci. Phila., VI, 1853, p. 

 264. * H. and A. ADAMS, Gen. Kec. Moll., II, 1857, p. 503.* CLESSIN, Conch. 

 Cab. Ano., 1875, p. 209, pi. LXIV, figs. 1, 2.^ B. H. WRIGHT, Check List, 1888. 



'Margaron (Anodonta) opaca LEA, Syn., 1852, p. 50; 1870, p. 80. 



Louisiana; Mississippi; north to Kansas. 



t ANODONTA STEWARTIANA Lea. 



* Anodonta stewartiana LEA, Tr. Am. Phil. Soc., V, 1834, p. 47, pi. vi, fig. 17; Obs., 



I, 1834, p. 159, pi. vi, fig. 17.* FERUSSAC, Guer. Mag., 1835, p. 25.* HAN- 

 LEY, Test. Moll., 1842, p. 220; * Biv. Shells, 1843, p. 220. *CONRAD, Pr. Ac. N. 

 Sci. Phila., VI, 1853, p. 264.* H. and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 

 503. * CLESSIN, Conch. Cab. AUG., 1874, pi. XLVIII, figs. 3, 4. * B. H. WRIGHT, 

 Check List, 1888.* P^ETEL, Conch. Sam., Ill, 1890, p. 185. 



* Margarita (Anodonta) sttnvartiana LEA, Syn., 1836, p. 52; 1838, p. 31. 



* Anodon stewartiana CATLOW and REEVE, Conch. Nom., 1845, p. 68. 



* Anodon stewartianus SOWERBY, Conch. Icon., XVII, 1870, pi. xxxn, fig. 133. 

 "Margaron (Anodonta) stewartmna LEA, Syn., 1852, p. 51; 1870, p. 81. 



*t Anodonta virens LEA, Tr. Am. Phil. Soc., X, 1852, p. 290, pi. xvm, fig. 53; * Obs., 

 V, 1852, p. 46, pi. xxvin, fig. 53.* CONRAD, Pr. Ac. N. Sci. Phila., VI, 1853, 

 p. 267.* H. and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 503.* B. H. WRIGHT, 

 Check List, 1888. 



* Margaron (Anodonta) virens LEA, Syn., 1852, p. 51; 1870, p. 81. 



* Anodon virens SOWERBY, Conch. Icon., XVII, 1870, pi. xxxiv, fig. 138. 



Arkansas; Louisiana; Texas. 



1 A very young, broken shell, greatly inflated in the post basal region, is all that 

 Lea has in his collection. It may be a distinct species, or a mere variety of grandis. 



