314 Notes on some Indian frcshivater Shells. [No. 4. 



4. M. spinulosa, B. — Tenasserim river. Very small and rare. 



5. M. Jugicostis,* B. — Tenasserim river, rare. A doubtful species. 



JPaludomus. 



6. P. Regulata,* B. — Common in marshy places and streams near 

 Prome and Thaiet-mio. This is a sharp pointed shell, having little 

 resemblance to the typical species of the genus. 



7. P. labiosa,* B. — A small species tolerably abundant in the 

 Tenasserim valley in running streams and the head waters of Tavoy 

 Province. 



8. P. ornata, # B. — Prome and the neighbourhood. Not a plenti- 

 ful species. 



Family, Litoeinid^i. 

 Stenothyra. B. 



9. S. Monilifera, B. — Mergui. In wet ditches. 



Assiminea. Leach. 



10. A. Francesise, Gray. — Maulmein, common. 



Family. Paltjdintdje. 

 Paludina. 



11. P. Bengalensis, Lam. Prome. Rangoon. Very common, and 

 fine. A dark ferruginous stained variety is not rare at Rangoon. 

 The Birmese shells, however, do not equal some Bengal specimens. 

 A large specimen measuring 1.44 by 1.05, whilst a specimen from 

 Benares measures 2.05 by 1.40. 



12. P. Crassa, Hutton. — Thaiet-mio, rare and small. 



13. P. Melanostoma. — Henzada. Rangoon. Common. 



Sithinia. Gray. 



14. B. Cerameopoma, B. — Ava, (procured by Mr. Oldham). 

 Maulmein. 



15. B. pulchella (?) — Maulmein. 



Aniphellaria. Lam. 



16. A. Globosa, Swain. — Prome, very common. Maulmein. Tavoy. 



Family. Neritid^e. 

 Neritina. Lam. 



17. N. Humeralis,* B. — Salween river, within the tideway — of 

 the type of N. reticularis. 



Note. — New species described by Benson marked thus. * 



