PALUDINID^, 21 



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



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

 60 Calcutta, Jcssor, Cliandernagar, &c, ; coll. Colonel G. B. Mainwaring, 



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

 13 Jamalpiirand Sambalpur ; coll. Dr. F Stoliczka and Major M. M. Bowie. 



9 Vizagapatam and Madras; ex c. Madras Museum. 

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



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



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



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

 30 Cacbar, 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, Si/lhet. 

 30 Silcbar, &c., Cacliar ; 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.11, 1822, "Rivers of 

 India"; Reeve, fig. 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 than the 

 one figured by Swainson, as above, with more ventricose 

 last whprl ! 



subvar. gigantea. 



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

 Bengal. 



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



subvar. canalioulata, nov. 

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

 1 Raniganj ; coll. V. Ball, Esq. 



