294 Records of the Indian Museum. [ Vor. VII, 
1882, p. 43,—=Unio abnormis, Morelet, Rev. et Mag., XIV, 1862, 
p. 480,—Unio superbus, Sowerby, Conch. Icon., XVI, pl. lix, fig. 
295. 
Cambodia, Reg. No. +95; Siam, Reg. No. 2577; Pitsanuloke, 
N. Siam (H. W. Biggie), Reg. No. 1429, 
48. Physunio (Physunio) micropterus (Morelet), Simpson, 
Syn. Naiades, Proc. U.S. Nat. Mus., XXII, p. 831,=Umio mictof- 
terus, Morelet, J. de Conch., XIV, 1866, p. 63; Ser. Conch., IV, 
1875, p. 349, pl. xv, fig. 7. 
Camtodia, Reg. No. +997, 
Gen. Dalliella, Simpson, 1900. 
49. Daliella purpurea (Valenciennes), Simpson, Syn. Nai- 
ades, Proc. U.S. Nat. Mus., XXII, p. 832,—Anodonta purpurea, 
Valenciennes, Rec. Obs. Zool., II, 1853, p. 236, pl. xlvili dis, 
figs. 3, 3a, 30,=Margarita (Anodonta) purpurea, T,ea, 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,=Anodonta burroughiana, Lea, Tr. Am. 
Phil?Soc., V, 1834, p..105,-pl. xvi, 1e)40- "Obs... 1" 1634, ep2ig, 
pl. xvi, fig. 49.—Margaron (Anodonta) burroughiana, Lea, Syn., 
1870, p. 81,—Anodon burroughianus, Sowerby, Conch. Icon., 
XVIT, pl. xxvii, fig. 103,—Margarita (Unie) bengalensis, Lea, 
Syn., 1836, p. 26; 1838, p. 20,—=Unto bengalensis. Lea. Tr. Am. 
Phil Soc., VI; £838 ,.p..3, pl. 1 hg. 3 5 Obs,, 11,7 1838) poeta 
ii, fig. 3,—Margaron (Unio) bengalensis Lea, Syn., 1852, p. 30; 
1870, p. 47,—=Anodon bengalensis, Sowerby, Conch. Icon., XVII, 
pl. xiv, fig. 49,=Anodonta bengalensis, Clessin, Conch Cab. Ano., 
- 1876; pp. -173,-pl. Avis, fis. 1 — Oyo: verecundus Gould = eaioe: 
Bost. Sec. Nats Hist. 111 1850;' p? 2954... SE xpl Exp. eon 
1852, p. 431, figs. 541, 541a, 541b, 541c,—Umnio mauritianus, Lea, 
Proc. Ac. ‘Nat, Sci. Philad., 1M, 1859, p. 1525 1. Ac Nat) sem 
Philad., IV, 1860, p. 257, pl. xl, fig. 138,—Margaron (Umo) 
mauriiianus, Lea, Syn., 1870, p. 42,—= ?Anodonta heldi1, Kuster, 
Conch. Cab. Ano., 1873, p. 64, pl. xix, fig. 1 =Anodonta chinen- 
sis, Kuster ? 
Manila, Reg. Nos. 5027, 5028, soze; Luzon, Reg. No. 5982. 
1 ? 1 P] 
50. Dalliella subcrassa (Lea), Simpson, Syn. Naiades, Proc. 
U.S. Nat. Mus., XXII, p. 833,—Anodonta subcrassa, Lea, Proc. 
Zool. Soc., London, 1850, p. 198; Ann. Mag. Nat. Hist., VIII, 
1851,-p. 495; Jl: Ac: ‘Nat. Set. Philads giVerasgo; p. 230,—ple 
xxxili, fig. 1t15,—Margaron (Anodonta) subcrassa, Lea, Syn., 
1852, p. 51; 1870, p. 81,=Anodon subcrassa, Sowerby, Conch. 
Icon., XVII, 1867, pl..xili, fig. 42. 
Philippines, Reg. No. #15, 
51. Dalliella insularis (Drouet), Simpson, Syn. Naiades, 
Proc. U.S. Nat. Mus., XXII, p. 834,—Pseudodon insularis, Drouet, 
Rev. Biol. Fr., VI, 1894, p. 217 fig 2. 
Sarawak, Reg. No. 4977. 
