82 



PALUDESTEINIDyE. 



solida, crassa, pallide viritlula, polita, niticla (suli leiite), obsolete 

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

 acutissimo ; anfr. 6, hand convexi, ultimus pertumidus, medio 

 subangulatus, basi applanatus, antice ad aperturain abrupte et 

 valide deflectus ; apertura percoutracta, perfecte rotundata, mar- 

 giuibus coiitinuis, valide incrassatis. 



Alt. 3-5, diaiii. 2 mm. 



Huh. Port Canning. 



" This interesting form is easily recognized by the very acnte 

 and concavely-excavated spire, the subangalate last whorl, 

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

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

 or indented under a powerful lens." 



The tj'-pe is in the Indian Museum, Calcutta. 



1G5. Stenothyra chilkaensis, Preston. 



StcnotJn/ra chilkaensis, Piestou, Eec. Ind. Mas., Calcutta, x, 1914, 

 p. 300, fig-, ou 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 imjiressed ; perfora- 

 tion reduced to a very narrow chink : labrum continuous ; 

 aperture oblique, ovate. 



Alt. 2*75, diam. niaj. 2 (nearly), diam. min. 1*5 mm. 



Hah. Baikul, Lake Chilka, Orissa, among weeds at the edge of 

 the lake. 



Type in the Indian Museum, Calcutta. 



3 6G. Stenothyra orissaensis, Preston. 

 Stenothyra orisxaensis, Preston, torn. cit. 



Shell small, narrowly perforate, ovately turbinate, pale greenish 

 yellow ; whorls 5, regularly increasing, smooth, but for gro\Ath 

 markings, the last convex and rapidly descending in front ; 

 labrum continuous, slightly erect; aperture strangulate, oblique, 

 oval. 



Alt. 2-2"), diam. maj., 1-5 mm. 



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

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

 Manikpatna at a depth of 4 feet. 



Type in Indian Museum, Calcutta. 



