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



tionately very long ; suture well impressed ; columella margin 

 thickened into a very oblique plait which enters the shell above ; 

 labrum simple ; aperture obliquely, slightly curvedly and elong- 

 ately subtriangular. 



Alt. 3, diam. maj. i*5 mm. 



Aperture : alt. i, diam. -25 mm. 



Hab. — Manikpatna, Lake Chilka, Orissa, at a depth of 4 feet. 



Family CYClvOSTREMATlDAH. 

 Tinostoma varicgata, sp. n. 



(Figs. 6, 6a, 66, p. 298). 



Shell depressedly turbinate, polished, shining, pale greyish 

 white shading to pale yellowish brown and painted with irregular, 

 zigzag, radiate, transverse bands of dark ashen-grey which are 

 more pronounced in the subsutural region ; whorls 4, the first 

 three regularly increasing, the last large, the earlier whorls smooth, 

 the last two bearing radiate growth plications ; suture impressed, 

 narrowly margined below with white ; base of shell very moder- 

 ately convex, conspicuously painted with rather closely-set, radi- 

 ate, whitish bands and presenting a slightly microscopic, granular 

 appearance; umbilical region overlaid by a coarse, convex, grey- 

 ish callus which becomes again overlaid and thickened by a broadly 

 outwardly extending, nacreous callus round the base of the colu- 

 mella; columella margin callously thickened, vertically descending 

 then angled and very obliquely descending below, spreading above 

 into an interiorly situate, thick, nacreous, parietal callus; labrum 

 simple ; aperture roundly subovate. 



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



Hab. — Manikpatna, Lake Chilka, Orissa, at a depth of 4 feet. 



Family TROCHIDAE. 



Solariclla satparaensis, sp. n. 



(Figs. II, 11a, lib, p. 301). 



Shell small, turbinate, polished, shining, whitish ornamented 

 with blackish brown blotches and spiral rows of the same colour ; 

 whorls 5, regularly and rather rapidly increasing, narrowly planu- 

 late above, sloping below, spirally Urate, the uppermost and, on 

 the last whorl, the peripheral lirations being considerably coarser 

 than the remainder, the interstices finely, closely, transversely 

 striate; suture impressed, very narrowly submargined below ; base 

 of shell moderately convex, also sculptured with revolving lirae, 

 but without trace of transverse striation except in the actual 

 umbilical cavity ; umbiHcus shouldered and wide at the margin, 

 rapidly narrowing, funnel shaped, deep, also spirally lirate and very 

 noticeably, closely, transversely striate; columella margin curvedly 

 excavated above, obliquely descending below ; labrum acute, 



