2 PALUDINIDJE. 



subspecies doliaris. 



Paludina doliaris, Gould, Proc. Host. Soc. 1843, Vol. I, Tavoy; = " P. benga- 

 lensis, var. digona (vel P. digona) JSlf., P. Z. S, 1869, Bham6, long. 23\ 

 to 32, diam. 17k to 23 mil. 



30 Mandalay and Bhamd ; coll. Dr. J. Anderson. 



40 Myadonng, Shuaygoomyo and Sawaddy; coll. Dr. J. Anderson. 



14 Moulmain; coll. Baron P. von Richtbofen and Dr. F. Stoliczka. 



5 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, Ms., Reeve, Jig. 50, Siam ; fide Morelet [not Mar- 

 tens'] = P. sumatrensis, DunJcer, Mai. Blat. 1852 ; = P. speciosa, Desk., 

 Nouv. Arch. X, 1874, Cambodia "edible." 



1 Siam ; ex c. 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., Eev. Zool. 1866 ;=P. obscurata, Desk., Nouv. Archiv. Mus. 

 X, 1874, Cochin China ; = P. ingallsiana, Reeve (not of Led) ; = P. 

 frauenfeldi, Mor., Journ. de Conch. 1869, Bangkok (not of Desh.). 



8 Penang ; coll. Dr. P. Stoliczka. 



1 Slain; ex c. A. Morelet, Esq. (as " P. cingulata"). 

 1 Siam ; ex c A. Morelet, Esq. (as " P. frauenfeldi"). 

 1 Cocliin-China ; ex c. A. Morelet, Esq. (as ".P. cochin- chinensis). 

 1 Singapore; coll. C. J. Irving, Esq. (35, 26). 



5 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. Fasc. E., p. 30 ' long. 30, diam. 21\ mil. : Assam. 



30 Assam ; ex c. Drs. T. Oldham and F. Stoliczka. 



11. Paludina oxytropis. 



Paludina oxytropis, Benson, J. A. S. B. V, 1836, N. E. Bengal ;= 

 P. pyramidata, v. d. Busch, Phil. Abb. 1, 1844, Bengal. 



3 Manipur; coll. Colonel H. H. Godwin-Austen. 



