NO. 1205. SYNOPSIS OF THE JSrAlADES—SIMPSOX, 643 



* Anodotita nilssonii Kuster, part, Conch. Cab. Ano., 1853, p. 61, pi. xvii, figs. 3, 4. 

 ^ Anodon imhricata Anthony, Am. Jl. Conch., I, 1865, p. 159, pi. xiv, fig. 1. 



* Anodonta imbricata B. H. Wright, Check List, 1888. — " P^etel, Conch. Sam., Ill, 



1890, p. 180. 

 " Anodon siiMnJlata Anthony, Am. Jl. Conch., I, 1865, p. 160, pi. xv, fig. 1. 



* Anodonta suMnflata B. H. Wright, Check List, 1888.^ — * P^tel, Conch. Sam., 



Ill, 1890, p. 185. 



* ? Anodoii, edentuliis Sowerby, Conch. Icon., XVII, 1867, pi. xvii, fig. 60. 



* Anodonta houghionensis Currier, Shell-bearing Moll. Mich., 1881, p. 14, jil. i, 



fig. 2,—* B. H. Wright, Check List, 



fANODONTA GRANDIS var. LEONENSIS Lea. 



* Anodonta leonensis Lea, Pr. Ac. N. Sci. Phila., VI, 1862, p. 169; *J1. Ac. N. Sci. 



Phila.,VI, 1866, p. 25, pi. ix, fig. 24; *0b8,, XI, 1867, p. 29, pi. ix, fig. 24.— 

 *Clessin, Conch. Cab. Ano., 1874, p. 131, pi. xlii, figs. 3, 4.—* B. H. Wright, 

 Check List, 1888.—'' PiETEL, Conch. Sam., Ill, 1890, p. 181. 

 '^ Mar gar on {Anodonta) leonensis Lea, Syn., 1870, p. 78. 



fANODONTA GRANDIS var. GIGANTEA Lea.i 



'^ Anodonta gigantealjKK,i:r. Kva.Vh\\. Soc, 1834, p. 1, pi. i, fig. 1; *Obs., II, 1838, p. 

 1, pi. I, fig. 1.— 'Troschel, Arch, fiir Nat., V, 1839, Pt. 2, p. 238.— * Hanley, 

 Test. Moll., 1842, p. 219.— •" Catlow and Reeve, Couch. Norn., 1845, p. 67.— 

 ' Kuster, Conch. Cab. Ano., 1853, p. 6, pi. i, figs, 1, 2. — * Conrad, Pr. Ac. N. Sci. 

 Phila., VI, 1853, p. 264.—* H. and A. Adams, Gen. Rec. Moll., II, 1857, p. 502.— 



* B. H. Wright, Check List, 1888.—* P^tel, Conch. Sam., Ill, 1890, p. 179. 

 ' Margarita {Anodonta) gigantea Lea, Syn., 1836, p. 52; 1838. p. 31. 



* Margaron {Anodonta) gigantea Lea, Syn., 1852, p. 50; 1870, p. 81. 



* Anodon gigantea Sowerby, Conch. Icon., XVII, 1867, pi. viii, fig. 18. 



"" Anodon giganteus SowFAiBY, Conch. Icon., XVII, 1870, pi. xxxvii, fig. 152. 



""i Anodonta plana'^ Lea, Tr. Am. Phil. Soc, V, 1834, p. 48, pi. vii, fig. 18; Obs., 



I, p. 160, pi. VII, fig 18. — *Ferussac, Gner. Mag., 1835, p. 25. — * Hanley, 

 - Test. Moll., 1842, p. 219.— * H. and A. Adams, Gen. Rec. Moll., II, 1857, p. 



503.— * Clessin, Conch. Cab. Ano., 1874, p. 142, pi. xlvi, figs. 1, 2,— *B. H. 



Wright, Check List, 1888.—* P.etel, Conch. Sam., Ill, 1890, p. 183. 



* Margarita {Anodonta) j^lana Lea, Syn., 1836, p. 52; 1838, p. 30. 



* Anodon plana De Kay, Zool. of N. Y., Pt. 5, 1843, p. 201, pi. xvii, fig. 232.—* Cat- 



low and Reeve, Conch. Nom., 184,5, p. 67. — * Sowerby, Conch, Icon., XVII, 

 1869,pl. XXIV, fig. 94. 



* Margaron {Anodonta) plana Lea, Syn., 1852, p. 50; 1870, p. 80. 



* Anodonta declivis Conrad, Am. Jl. Sci., XXV, 1834, p. 341, pi. i, fig. 11 ; New F. 



W. Shells, 1834, p. 73.— * Ferussac, Gner. Mag., 1835, p. 25.— Moller, Syn., 

 Nov. Gen., 1836, p. 194.—* Conrad, Pr. Ac. N. Sci. Phila., VI, 1853, p. 263. 



* t Margarita {Anodonta) decora Lea, Syn., 1836, p. 52; 1838, p. 30. 



* Anodonta decora Lea, Tr. Am. Phil. Soc, VI, 1838, p. 64, pi. xx, fig. 63 ; * Obs., IT, 



1838, p. 64, pi. XX, fig. 63.— *Troschel, Arch, fiir Nat., V, 1839, Pt. 2, p. 238.— 



* Hanley, Test. Moll., 1842, p. 219.—* Conrad, Pr. Ac. N. Sci. Phila., VI, 1853, 

 p. 263.—* H. and A. Adams, Gen. Rec. Moll., II, 1857, p. 502.— *Clessin, Conch. 

 Cab. Ano., 1873, p. 71, pi. xvii, figs. 1, 2.—* B. H. Wright, Check List, 1888.— 



* P^tel, Coucb. Sam., Ill, 1890, p. 178. 



' A variety of grandis. The type is a large, heavy form, with a considerably 

 developed posterior ridge, the shell somewhat truncated above and behind the ridge. 

 I have frequently seen such shells which are evidently pathologic. 



"This name is written jjaZma in above citation: a typographical error, no doubt. 



