PALUDlNIDiE. 25 



20. Paludina naticoides. 



Paludina naticoides, Theolald, J. A. 8. B. 1865, p. 274, Shan States = 

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

 Neoill, Cat. Fasc. E, p. 34. 



4 Upper Salvveen ; coll. W. Theobald, Esq. 



var. concolor. 



Of a light, uniform, olive-green colour ; wliorLs not so 

 exserted as usual, last one less swollen in proportion, more 

 regularly and globoselj 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 Sahveen (type var.) ; coll. W. Theobald, Esq. 



var. earinata. 

 P. naticoides, var. cariuata, Theolald, pi. IX, fig. 3, and Con. Indica, pi. 76, 



fig- 4:. 



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 Sahveen and Ava ; coll. W. Theobald, Esq. 



21. Paludina eyriesi. 



Paludina Eyriesi, Morelef, J. de C. 1865, Cambodia, (not Cochin-China, 

 vide Ser. Con. IV, p. 303J ,• 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, Sutton ms., Benson, J. A. S. B. 1836, " Rv. Oumti at 

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

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

 Troschel; Wood-Mason, Ann. and Mag. 1881 \_anatomg'\. 



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



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



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



