1912.| =H.B. Preston: The Asiatic Natades. 207 
Gen. Parreysia, Conrad, 1853. 
Subgen. Parreysia, Conrad, 1853. 
60. Parreysia corrugata (Miiller), Simpson, Syn. Naiades, 
Proc. U.S. Nat. Mus., XXII, p &41,—=Mya corrugata, Muller, Verm. 
err eb Play. , 1774, Pt, 2): pe. 24 Beseby Ges. Nag: Bery LV, 
1779, p. 56, pl. itib, figs. 7, 8—Unio corrugata, Lamarck, An. 
sans Vert’, VI, 1819, p 79; Deshayes, Enc. Méth., II, 1827, p. 584, 
pl. cexlviii, fig. 8==Unio (Potamida) corrugata, Swainson, ‘Tr. 
on Mal., 1840, p. 268, fig 51; p. 281, fig. 57,—Unio rueosus, 
Kiister, Conch. Cab. Unio.. 1862, p. 290, pl. xevii, fig. 5,=Unio 
corrugata, Retzius, Diss. Hist. Nat., 1778, p. 18; Spengler, Skriv. 
Selsia Nat. Lil) 1793; p.685 Manley , Test. Moll. 1842/.p) 197; 
Biv. Shells, 1843, p. 197; Hanley and Theobald, Conch..Ind., 
1876, p. 21, pl. xlv, figs. 2—5, etc..—Margarita (Unto) corru- 
gatus, Lea, Syn., 1836, p. 29; 1838, p. 21.Margaron (Unio) 
corrugatus, Lea, Syn., 1852, p. 20; 1870, p. 30M ya spuria, 
Gmelin, Syst. Nat., 13th Ed., 1788, p. 3222,—Mya gaditana, 
Schreibers, Versuch., 1793,=Unio multidentatus, Philippi, Conch., 
III, 1847, p. 46, pl. iti, fig. 4,=Margaron (Unio) multidentatus, 
Lea, Syn., 1870, p. 50,—=Umio fulmineus, Philippi, Conch , III, 
1647, p. 46, pl. i, figs. 5, 6,=Unzo lutens, Lea, Proc. Ac. Nat. 
Sci. Philad., VIII, 1856, p. 93,—Umzo luteus, Lea, Ji. Ac. Nat. Sci. 
Philad. iil, 1957, p. 20°, pl. xxiv, -fig. 4,—Margaron (Unio) 
lutcus, Lea Syn., 1870, p. 46,== ?Unio semtrugatus, Chemnitz, Ill. 
Conch., 1858 pl. xii, figs. 2, 2a,=Unio merodabensis, Kuster, 
Conchs Cab Wie, 166,40 pe 23352 ola ixxval, fis. 4. =U ni0 
tennentt, Hanley and Theobald, Conch. Ind., p. 22, pl. xlv, 
figs. 7—9. | 
Carchirote Tahse, Chanda, € YP Reg.” No. 512s; River 
Dukkaree, near Umballa, Reg. No. *145; Ceylon (Asiatic Society 
of Bengal), Reg. No. 2592; Séwan, close to the Indus, Reg. 
Ne. 2514; Gudur, Madras Presidency (G. H. Tipper), Reg. No. 
5113, and a stream two miles north of Gudur (G. H. Tipper), Reg. 
Nos. #112 and 5114; Madras, Reg. No. 2428; Manbhoom, Reg. No. 
2506; Patna, Reg. Nos. 2458 and 2507; Berhampore, Murshidabad 
Dist., (S. W. Kemp), Reg. No. +957; Brahmapuri Tahsil, Chanda, 
C. P., Reg. No. 51##; Bangalore, Mysore State, Reg. No. 2474; 
Phenchooganj, Sylhet, Reg. No. 98°; Loc.? (Asiatic Society of 
Bengal), Reg. No 255°; Singpal Garki, Nepal (R. Hodgart), °°°* 
Arrah, Reg. No. 4881; Orissa, Reg. No. 2518; Muzafferpore (I. H. 
Burkill), Reg. No. 5141; Puri, Orissa, Reg. No. 2515; Putna, 
Mirzapur Dist., U.P. (R. Hodgart), Reg. No. *42°, 
60a. Var. fragilis, Hanley and Theobald, Conch. Ind., p. 21, 
pl. xlv, fig. 4. 
Puri, Orissa, Reg. No. 2525. 
60b. Var. laevirostris (Benson), Simpson, Syn. Naiades, 
Proc. U.S. Nat. Mus., XXII, p. 842,—Unio laevirostris, Benson, 
Ann Mag. Nat: Hist., 1862, p: 192; Jl. As. See Benge: 1862; 
