298 



Records of the Indian Museum. 



LVoi,. X. 



ing, sculptured with coarse, transverse^ rounded costae which 

 become obsolete on the base of the shell, which is also sculptured 

 with fine, wavy, revolving lirae; suture impressed, broadly, 

 margined below; columellamargin whitish, tinged with flesh colour, 

 excavated, porcellanous, diffused above into a well-defined, 

 restricted parietal callus, which is thickened into a tubercle near 

 its junction with the upper margin of the labrum above; labrum 



G. M. W deL 



Fig. I. Sfeiiothvya chilka'ensis. 



2. ,, orissaensis. 



3. Lifiopn (Alaba) kempi. 



F"iG. 4. Odostomia cliilkaensis. 



5. Terehra ramhhaensts. 



6. Ti)iostovia variegata. 



coarsely varicosely thickened behind, acute, very slightly out- 

 wardly reflexed, having five denticles within ; aperture obliquely 

 ovate ; canal short, broad, a little recurved ; interior of shell pure 

 white. 



Alt. II, diam. maj. 5, diam. mim. 4 mm. 



Aperture : alt. 4, diam. 15 mm, 



Hab. — Lake Chilka, " along marine side of Lake Estuary." 

 {G. Nevill). 



