322 



Notes on some Indian Freshwater Shells. 



[No. 4. 



as the following measurements shew, 1.95 — 1.30 to 1.20 — 0.80, and 

 smaller specimens than this last are not rare. 



0. Bhoenotopicus, B. — A small species of the pterocycloid group 

 of Cyclophorus. 



Megalomastoma. 



M. Fmiiculatum, B. — Tolerably abundant at Darjiling on mossy 

 banks. 



M. (?) n. s.— A small pointed scalariform species with strong 

 costulate striation. 



Alycceus. 



A. ZTrnula, B. 



A Constrict us, B. 



A. Otiplwrus, B. 



A. Stylifer B. 



A. n. s. 



A. n. s. 



A. n. s. 



A. n. s. 



A. n. s. 



S. Blanfordi, B. 



Streptaulus. B, 

 Diplommatina. 



D. Bac7iycheilus, B. 



D. sp. 



Heliczdji. 



Bulimus. 



B. SihTcimmensis, Reeve. Hare. 



B. (small sp.) 



Acliatina. 



Clausilia. 

 Bupa. 

 Vitrina. 



A. Tenuispira, B. 

 A. Crassula, B. 



C. Ios, B. 



P. (sp.) 



r. («p.) 



