300 Records of the Indian Museum. [Vol. X, 



Family LITIOPIIDAE. 

 Litiopa (Alaba) kempi, sp. n. 



(Figs. 3, 3«, p. 298). 



Shell fusiform, imperforate, in dead condition white, but 

 bearing traces of having been covered with a reddish brown perios- 

 tracum; remaining whorls 6, sculptured with coarse, transverse 

 costulae and, on the lower half, with indistinct spiral lirae while, 

 in addition, microscopic, confluent striae are also visible ; suture 

 impressed ; base of shell finely spirally lirate ; columella margin 

 obliquely descending; labrum acute ; aperture ovate. 



Alt. 5*25, diam. maj. 2*25 mm. 



Aperture : alt. i'5, diam. '75 mm. 



Hab. — Rambha Bay, south end of I^ake Chilka, Ganjam Dis- 

 trict, Madras. 



Family VIVIPARIDAE. 



Vivipara bengalensis, lyk. 



Anim. s. Vert. (ed. Desh.), vol. viii, p. 513, 1838: Reeve, 

 Con. Icon. Paludina, pi. II, tig. 5, vol. xiv, 1864. 



About half a mile east of Nalbano Isd., Orissa, in from ro to 

 12 feet of water, a single young specimen (an empty shell). 



Family HYDROBIIDAE. 

 Stenothyra minima, Sow. 



Ann. Mag. Bot. Hist. (Charlesworth's series), vol. i, London 

 (1837), P- 217, fig- 22& (as Nemaiura). 



On a muddy bottom in from 6 to 8 feet of water, about two 

 miles off Balugaon, Orissa. 



Stenothyra, chilkaensis, sp n. 

 (Fig. I, p. 298). 



Shell minutely rimate, ovate, yellowish brown ; whorls 5, the 

 first very small, the second large in proportion, the last also large, 

 convex, without sculpture ; suture well impressed; perforation re- 

 duced to a very narrow chink ; labrum continuous ; aperture obli- 

 que, ovate. 



Alt. 2 75, diam. maj, 2 (nearly), diam. min. i"5 mm. 



Hab. — Barkul, lyake Chilka, Orissa, among weeds at the edge 

 of the lake. 



Stenothyra orissaetisis, sp. n. 



(Fig. 2, p. 298). 



Shell small, narrowly perforate, ovately turbinate, pale green- 

 ish yellow; whorls 5, regularly increasing, smooth, but for 



