82 PALUDESTRIKIDjE. 



solida, crassa, pallide viridula, polita, nitida (sub lente), obsolete 

 submalleata ; spira aculeiformis, subconcava, producta, apice per- 

 acutissimo ; anfr. 6, baud convex!, ultinms pertumidus, medio 

 subangulatus, basi applanatus, antice ad aperturam abrupte et 

 valide deflectus ; apertura percontracta, perfecte rotundata, raar- 

 ginibus coritinuis, valide incrassatis. 



Alt. 3-5, diam. 2 mm. 



Hob. Port Canning. 



" This interesting form is easily recognized by the very acute 

 and concavely-excavated spire, the subarigulate last whorl, 

 flattened round the umbilical region ; it is not spirally pitted, 

 as in most species of the genus, but appears absolutely malleated 

 or indented under a powerful lens." 



The type is in the Indian Museum, Calcutta. 



165. Stenothyra chilkaensis, Preston. 



Stenothyra chilkaensis, Pjreston, Eec. Ind. Mus v Calcutta, x, 1914, 

 p. 300, tig. 011 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 ; perfora- 

 tion reduced to a very narrow chink : labrum continuous ; 

 aperture oblique, ovate. 



Alt. 2-75, diam. maj. 2 (nearly), diam. min. 1-5 mm. 



Hob. Barkul, Lake Chilka, Orissa, among weeds at the edge of 

 the lake. 



Type in the Indian Museum, Calcutta. 



3 66. Stenothyra orissaensis, Preston. 

 Stenothyra orissaensis, Preston, torn. cit. 



Shell small, narrowly perforate, ovately turbinate, pale greenish 

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

 markings, the last convex and rapidly descending in front ; 

 labrum continuous, slightly erect ; aperture strangulate, oblique, 

 oval. 



Alt. 2-25, diam. maj., 1*5 mm. 



Hab, Off Satpara, Lake Chilka, Orissa, at a depth of from 4 to 

 6 feet, close in shore (type) ; dead specimens were also taken at 

 Manikpatiia at a depth of 4 feet. 



Type in Indian Museum, Calcutta. 



