22 PALUDINIDE. 
subspecies doliaris. 
Paludina doliaris, Gould, Proc. Bost. Soc. 1843, Vol, I, Tavoy; =“ P. benga- 
lensis, var. digona (vel P. digona) BIf., P. Z. S. 1869, Bhamé, long. 234 
to 82, diam. 17} to 23 mil. 
80 Mandalay and Bhamé; coll. Dr. J. Anderson. 
40 Myadoung, Shuaygoomyo and Sawaddy; coll. Dr. J. Anderson. 
14 Moulmain ; coll. Baron F, von Richthofen and Dr. F. Stoliczka. 
6 Pha-thing and Endawyne Lake, Burma; coll. R. Hungerford, Esq. 
10 Pegu; coll. W. Theobald, Esq. 
subspecies polygramma. 
Paludina polygramma, von Martens, Proc. Zool. Soc. 1860, Siam; = P. 
lineolata, Mousson, Us., Reeve, fig. 50, Siam; fide Morelet (not Mar- 
tens] = P. sumatrensis, Dunker, Mal. Blat. 1852 ; = P. speciosa, Desh., 
Nouv. Arch. X, 1874, Cambodia—“ edible.” 
1 Siam; exc. A. Morelet, Esq. 
7 Cochin-China; ex c. M. M. Morelet and Bouvier. 
7 Qualla Kangsa, Perak ; coll. E. Townsend, Esq. 
subspecies cingulata. 
Paludina cingulata, von Martens, Proc. Zool. Soc. 1860, Siam ; = P. cochin- 
chinensis, Mor., Rev. Zool. 1866 ; =P. obscurata, Desh., Nouv. Archiv. Mus. 
X, 1874, Cochin China; = P. ingallsiana, Reeve (not of Lea); = P. 
Srawenfeldi, Mor., Journ, de Conch, 1869, Bangkok (not of Desh.). 
8 Penang; coll. Dr. F. Stoliczka, 
1 Siam; exc. A. Morelet, Esq. (as “ P. cingulata”). 
1 Siam; exc A. Morelet, Esq. (as “ P. frauenfeldi”’), 
1 Cochin-China; ex c, A, Morelet, Esq. (as “ P. cochin-chinensis). 
1 Singapore; coll. C. J. Irving, Esq. (35, 263). 
6 Penang; ex c. India House Museum (coll. Cantor, and labelled 
“ P, radula.”) 
These last are of stouter form, considerably more developed 
sculpture at base, and slightly less acutely carinate at the peri- 
phery than Dr. Stoliczka’s Penang specimens. 
subvar. 
Nevill, Cat. Fase. E., p. 30: long. 30, diam, 21% mil.: Assam. 
30 Assam; ex c. Drs. T. Oldham and F. Stoliczka, 
11. Paludina oxytropis. 7 
Paludina oxytropis, Benson, J. A. S. B. V, 1836, N. E. Bengal ;= 
P. pyramidata, v. d. Busch, Phil. Abb. I, 1844, Bengal, 
3 M4nipur; coll. Colonel H. H. Godwin-Austen, 
