PALUDINID. 25 
20. Paludina naticoides. 
Paludina naticoides, Theobald, J. A. 8, B. 1865, p. 274, Shan States = 
P. shanensis, Theob., Catal., 1876, p. 18; Con. Indica, pl. 76, fig. 1; 
Nevill, Cat. Fase. E, p. 84. 
4 Upper Salween; coll. W. Theobald, Esq. 
+ 
var. concolor. 
Of a light, uniform, olive-green colour; whorls not so 
exserted as usual, last one less swollen in proportion, more 
regularly and globosely swollen, with a single, somewhat incon- 
spicuous, raised ridge at the periphery; aperture small, with 
the outer margin regularly rounded. Long. 253, diam. 18 mil. 
1 Upper Salween (type var.) ; coll. W. Theobald, Esq. 
var. carinata. 
P. naticoides, var. carinata, Theobald, pl. [X, fig. 3, and Con. Indica, pl. 76, 
Jig. 4. 
2 Ava; coll, W. Theobald, Esq. 
var. fasciata. 
P. naticoides, var. fasciata, Theobald, pl. IX, figs.1 5 2, and Nevill, Cat. 
Fase. E, p. 34. 
7 Upper Salween and Ava; coll. W. Theobald, Esq. 
21. Paludina eyriesi. 
Paludina Eyriesi, Morelet, J. de C. 1865, Cambodia, (not Cochin-China, 
vide Ser. Con. IV, p. 303); var. =P. fischeriana, Mabille and Le 
Mesle, Rev. Zool. 1866, Battambang. 
1 Cambodia; ex c. A. Morelet, Esq. 
This Mollusk is edible, fide Journ. de Conch., 1876. 
22. Paludina crassa. 
Paludina crassa, Hutton ms., Benson, J. A. S. B. 1836, “Rv. Gumti at 
Jénpur” and “greenish eroded var. from Sylhet,” for Paludina sp., 
Hutton, l.v. 1834, Chunar; fide Rv. and Con, Indica = P, obtusa, 
Troschel ; Wood-Mason, Ann. and Mag. 1881 [anatomy]. 
11 Loe. ? (? typical); ex c. As. Soc. Bengal. 
30 Hazrapur, Jessor Dist.; coll. G. Nevill, Esq. 
30 Barak Rv., Cachar, § 9 ; coll. J. Wood-Mason, Esq. 
