PALUDINID^. 21 



14 Rurki and Birbhum; coll. J. Wood-Masou, Esq. 



2 Siliguri ; coll. Colonel G. B. Mainwaring. 

 60 Calcutta, Jessor, Chandernagar, &c, ; coll. Colonel G. B. Mainwaring, 



J. B. Baxter, and G. Nevill, Esq. 

 13 Jamalpur and Sambalpur ; coll. Dr. P Stoliczka and Major M, M. Bowie. 



9 Vizagapatam and Madras; ex c. Madras Museum. 

 20 Manbhum and Raniganj ; coll. V. Ball, Esq., and Dr. F. Stoliczka. 



6 Dacca; coll. J. Willson, Esq. and Dr. Wise. 



9 Sind ; coll. W. T. Blanford, Esq. and ex c. Karachi Mus. 



9 Derband and Salt Range (Punjab) ; ex c. Dr. P. Stoliczka. 

 30 Cachar, Sibsagar, and Tezpur (Assam) ; coll. Dr. P. Stoliczka and 

 Museum Collector. 



1 Ganjam (Orissa) ; coll. V. Ball, Esq. 



1 Perozpur ; coll. Capt, R. C. Temple. 



5 Sukyti Rv. [Mandi] ; coll. A. G. Young, Esq. 



subvar. balteata. 



P. bengalensis, var. balteata, Benson, J, A. S. B. V, 1836, St/lhet. 

 30 Silchar, &c„ Cachar ; coll. J. Wood Mason, Esq. 



subvar. phSBOStoma, nov. 



2 Calcutta (Lindsay St. Tank) ; coll. J. B. Baxter, Esq. 



subvar. elongata. 



Paludina elongata, Swainson, Zool. III. ser, I, Vol. II, 1822, " Rivers of 

 India"; Reeve, Jig. 5. 



8 Calcutta (Harrington St. Tank) ; coll. G. Nevill and J. B, Baxter, 

 Esqrs. 

 12 Ambalah ; coll. Captain R. C. Temple. 



Long. 38, diam. 26 mil. A larger and finer form tlian the 

 one figured bj Swainson, as above, with more ventricose 

 last wliorl ! 



subvar. gigantea. 



Paludina gigantea, von dem Busch, Ms., <n Reeve, Icon., pi. 1, fig. 7, 

 Bengal, 



6 Dinapur ; coll. Colonel G. B. Mainwaring (53, 37). 

 subvar. canaliculata, nov. 



Paludina bengalensis, var., Nevill, Cat. Fasc. JS., p. 27, Rdniganj. 

 1 Raniganj ; coll. V. Ball, Esq. 



