PALUDINIDJE. 25 



20. Paludina naticoides. 



Paludina naticoides, Theobald, J. A. 8. S. 1865, p. 274, Shan States = 

 P. shanensis, Theob., Catal., 1876, p. 18; Con. Indica, pi. 76, fig. 1; 

 Nevill, Cat. Fast. E, p. 34. 



4 Upper Sal ween ; 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. 25f , diam. 18 mil. 



1 Upper Salween (type var.) ; coll. W. Theobald, Esq. 



var. carinata. 

 P. naticoides, var. carinata, Theobald, pi. IX, fig. 3, and Con. Indica, pi. 76, 



fig- * 



2 Ava; coll. W. Theobald, Esq. 



var. fasciata. 



P. naticoides, var. fasciata, Theobald, pi. IX, figs. 1 <$ 2, and Nevill, Cat. 

 Fasc. E, p. 34. 



7 Upper Salween and Ava ; coll. W. Theobald, Esq. 



21. Paludina eyriesi. 



Paludina Eyriesi, Morelet, J. de C. 1865, Cambodia, fnot 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., Eenson, J. A. S. B. 1836, " Rv. Gumti at 

 Jonpur" and "greenish eroded var. from Sylhet," for Paludina sp. t 

 Hutton, 1. c. 1834, Chunar ; fide Rv. and Con. Indica = P. obtusa, 

 Troschel ; Wood-Mason, A.nn. and Mag. 1881 \_anatomy\. 



11 Loc. ? (? typical) ; ex c. As. Soc. Bengal. 



30 Hazrapur, Jessor Dist. ; coll. Or. Nevill, Esq. 



30 Barak Rv., Cachar, $ $ ; coll. J. Wood-Mason, Esq. 



