1912. | H. B. Preston: The Asiatic Naiades. 281 
xxii, fig. 4,—Barbala bialata, Chenu, Mas., 1859, p. 145. fig. 
717,=Unio bialatus, Deshayes, Tr. Elem. Conch.,. 1839, p. 19, 
pl. xxxi, fig. 3,=Anodonta magnifica, Clessin, Conch. Cab. Ano., 
1870, p. 123, pl. xxxv, fig. 1,—Dzipsas occidentalis, Heude, 
Conch. Fl. Nank., IX, 1885, pl. xlvij=Barbala occidentalis, 
Paetel, Conch. Sam., III, 1890, p. 175,—Barbala plicatula, Paetel, 
Conch. Sams IT, 1690)-p..175. 
Cambodia, Reg. No. 50:8; Lake Biwa, Japan (J. Anderson), 
Reon NOs. (22ers 759 (5825 ‘Shanghai, Reg. No. 692. 
7. Cristaria bellua (Morelet), Simpson, Syn. Naiades, Proc. 
U.S. Nat. Mus., XXII, rg00, p. 584,—Anodonta bellua, Morelet, 
Rev. et Mag. Zool., XVIII, 1866, p. 167; Ser. Conch., IV, 1875, 
p. 331- 
Cambodia, Reg. No. 5252, 
8. Cristaria herculea (Middendorff) von Ihering, Abh. Senck. 
Nat. Ges., XVIII, 1893, p. 146; Simpson, Syn. Naiades, Proc. 
S. Nat. Mus., XXII, p. 584,—Anodonta herculea, Middendorff, 
Bull. Phys. Math. Ac. St. Pet., VI, 1848, p. 303; Sib. Reise, II, 
Roguee2 7 Pleixxil. fe 5. xxl, figs. 1, 2,’ xxXvi, igs. 1212 )—— 
Anodonta (Dipsas) herculea, Clessin, Conch. Cab. Ano., 1875, p. 175, 
pl. lix, figs. 1, 2,=Barbaia herculea, Paetel, Conch. Sam., III, 
1890, p. 175,—Dipsas plicata vat. clessint, Kobelt pars, Abh. 
Senck. Nat. Ges., XI, 1879, p. 429, pl. xv ?—Craspedodonia 
smaragdina, Anton, Verz. der Conch., 1839, p. 16, No. 592; 
Clessin, Conch. Cab. Ano., 1875, p. 93, pl. xxvii, fig. 2. 
Amur region, Reg. No. +27; Lena River, E. Siberia, Reg. 
No. 31. 
Subgen. Pletholophus, Simpson, 1900. 
g. Pletholophus swinhoei (H. Adams), Simpson, Syn. 
Naiades, Proc. U. S. Nat. Mus., XXII, p. 586,—Unio swinhoer, 
H. Adams, Proc. Zool. Soc. London, 1866, p. 319 ; Sowerby, Conch. 
Icon., XVI, pl. xlii, fig. 232,—Amnodonta swinhoer, H. Adams, 
Proc. Zool. Soc. London, 1866, p. 446; Clessin, Conch. Cab. Ano., 
1876, p. 125, pl. Ixxv, fig. 6,=-Anodon swinhoei, Sowerby, Conch. 
Icon., XVI, 1868, pl. xxvii, fig. 108,=-Margaron (Unio) swinhoer, 
Lea, Syn., 18f0, p. 45. 
Canton, Reg. Nos. +89°, 5987 ; Formosa, Reg. No. *171. 
10. Pletholophus reiniana (von. Martens), Simpson, Syn. 
Naiades, Proc. U.S. Nat. Mus., XXII, p. 585; von. Martens, 
Jahrb. Mal. Ges., II, 1875, p. 136, pl. iii, fig. 4,— ? Dipsas 
veiniana, Kobelt, Abh. Senck. Nat. Ges., XI, 1879, p. 432, pl. xii, 
fig. 4. xxi, fig. 2,—Anodonta reiniana, von Ihering, Abh. Senck. 
Nat. Ges., XVIII, 1893, p. 147,—=Barbala reiniana, Paetel, Conch. 
maim, LIL, 1390,p. 175. 
Lake Biwa, Japan (J. Anderson), Reg. No. 385. 
Gen. Lepidodesma, Simpson, 1896. 
Ir. Lepidodesma languilati (Heude), Simpson, Syn. 
Naiades, Proc. U.S. Nat. Mus., XXII, pp. 586 and 587,=Umio 
