SIMPSONF.I.LA 1 07 1 



Anodonta purpurea Valenciennes, Rec. Obs. Zool., II, 1833, 



p. 236, pi. XEViii, bis, fig. 3, ^a, 3/7. — ^Ceessin, Conch. Cab.. 



Ano., 1876, p. yy, pi. XIX, fig. i. 

 Margarita (Anodonta) purpurea Lea, Syn., 1836, p. 51 ; 1838, 



p. 30. 

 Anodon purpurea Catlow and Reeve, Conch. Nom., 1845, P- 



67. 

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



P- 79- 



Dalliella purpurea Simpson, Syn., 1900, p. 832. 



Simpsonella purpurea Haas, Conch. Cab., Unio, 1912, pi. 24, 



figs. 1-3. 

 Anodonta bnrroughiana, Lea, Tr. Am. Phil. Soc, V, 1834, p. 



105, pi. XVI, fig. 49; Obs., I, 1834, p. 217, pi. XVI, fig. 49. — 



Clessin, Conch. Cab. Ano., 1875, p. 164, pi. liv, figs. 3. 4. 

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

 Anodon bnrroughianus, Sowerby, Conch. Icon., X\^II, 1870, 



pi. XXVII, fig. 103. 

 Margarita (Unio) bengalensis Lea, Syn., 1836, p. 26; 1838, p. 



20. 

 Unio bengalensis Lea, Tr. Am. Phil. Soc, VI, 1838, p. 3, pi. 



Ji, fig. 3; Obs., II, 1838, p. 3. pi. II, fig. 3. — Hanley, Biv. 



Shells, 1843, P- 194) pl- ^^'^^> fig- 50. — Chenu, 111. Conch., 



1858, pi. XXII, figs. 2, 2a, 2b. — KusTER, Conch. Cab. Unio, 



1861, p. 228, pi. LXXVII, figs. 2. 3. 

 Margaron (Unio) bengalensis Lea, Syn., 1852, p. 30: 1870, p. 



47- 

 Anodon bengalensis Sowerby. Conch. Icon.. XA'II, 1867. pi. 



XIV, fig. 49. 

 Anodonta bengalensis Clessix, Conch. Cab. Ano.. 1876, p. 



173, pi. LVIT, fig. I. 

 Unio tferecnndus Gol^ld, Pr. Bost. S. N. Hist., Ill, 1850, p. 



295: U. S. Expl. Exp., XIL 1852, p. 431, figs. 541, 5410. 



54T&, 54if. — Reeve, Conch. Icon.. XVI, 1865, P^- xx"*'- fig- 



125. 

 Unio mauritianus Lea. Pr. Ac. N. Sci. Phila., TIL 1859, p. 152 : 



Jl. Ac. N. Sci. Phila., IV, i860, p. 257, pi. xe, fig. 138; Obs., 



VII, i860, p. 75, pi. XL. fig. 138. 

 Margaron (Unio) mauritianus Lea, Syn., 1870, p. 42. 



