﻿STROPIIITUS 347 



Anodon undulata Gould, Inv. of Mass., 1841, p. 120, fig. 79; 



1870, p. 182, fig. 482. 

 Unio undidata Deshayes, Tr. Elem., II, 1853, p. 217, pi. xxx, 



figs. 8, 9. 

 Anodon undiilatns Sowerhy. Ricli. Faun. Ror. Am., Ill, 1836, 



p. 316. — SowERBY, Conch. Icon., XVII, 1867, pi. xi, fig. 30. 

 Anodon areolatiis Sw.mnson, Zool. 111., 2d ser., I, 1829, pi. 



XVIII. 



Anodonta areolatus Ferussac, Guer. Mag., 1835, p. 25. 

 Anodon niarginata Ferussac, Guer. Mag., 1835, p. 25. 

 Anodonta fernssaciana Ferussac, Guer. Mag., 1835, p. 25. 

 Margarita (Anodonta) wardiana Lea, Syn., 1836, p. 50; 1838. 



p. 30. 

 Anodonta zvardiana Lea, Tr. Am. Phil. Soc, VI, 1838, p. 46, 



pi. XIV, fig. 42 ; Obs., II, 1838, p. 46, pi. XIV, fig. 42. 

 Anodon zvardiana Sowerby, Conch. Icon., XVII, 1867, pi. 



XXVI II, fig. 114. 

 Margaron (Anodonta) zvardiana Lea, Syn., 1852, p. 49; 1870, 



p. 79. 

 Anodonta zirgata Conrad, Cover of Mon., No. 5, 1836. 

 Strophitus z'irgatus Conrad, Pr. Ac. N. Sci. Phila., VI, 1853, 



p. 263. 

 Anodon unadilla De Kay, Zool. of N. Y., Pt. 5, 1843. P- 199- 



pi. XV, fig. 228. 

 Strophitus unadilla Conrad, Pr. Ac. N. Sci. Phila.. \T, 1853, 



p. 263. 

 Anodonta tetragona Lea, Pr. Am. Phil. Soc, IV, 1845, p. 165 ; 



Tr. Am. Phil. Soc, X, 1848, p. 82, pi. viii, fig. 25 ; Obs., IV, 



1848, p. 56, pi. VIII, fig. 25. 

 Margaron (Anodonta) tetragona Lea. Syn.. 1852, p. 51 : 1870, 



p. 81. 

 Strophitus tetragona Conrad, Pr. Ac. N. Sci. Phila.. \'I. 1853, 



p. 263, 

 Anodonta arka)isascnsis Le.v, Tr. .Am. Phil. Soc. XI, 1852. p. 



293. pi. XXIX, fig. 56; Obs., y, 1852, p. 49, pi. XXIX, fig. 56. 

 Margaron (Anodonta) arkansasensis Lea, Syn., 1852, p. qo; 



1870, p. 80. 



