rgo8.] Records of the Indian Museum. 195 



thick callus which reaches the lip above and bearing a bifurcated 

 fold or plait below and an obliquely transverse plait above. 



Altitude . . 



10 mm. 



Diam., major . . 



4-25 „ 



Aperture, alt. . . 



3 



,, diam. 



175 ,, 



Habitat — Andaman Islands. 





Columhella suavis, sp. no v. 



Shell elongatelj^ fusiform, pohshed, white, broadly banded 

 with brownish yellow and painted with occasional blotches of a 

 deeper colour; whorls 9J, scarcely convex, sculptured with closely 

 set , transverse ribs and very fine wavy spiral striae ; base of shell 

 spirally sulcate ; CQlumella stained with pale violet, slightly reflexed, 

 descending somewhat obliquely ; peristome broadly, varicosel}^ 

 thickened, dentate within ; aperture elongate; canal long, narrow, 

 scarcel}^ recurved. 



Altitude . . • • 975 vcmi- 



Diam., major . . • • 5'5 



Aperture, alt. . . • • 4 ■,, 



,, diam. . . i'5o ,, 



Habitat — Andaman Islands. 



■" . Gyrineum wilmeriana , sp. nov. 



Shell acuminately ovate, yellowish white, bearing traces of 

 having been covered with a thin hirsute periostracum ; whorls 8, 

 transversely striate and spirally lirate, bearing at intervals in- 

 terrupted tubercular ribs of a dark chestnut colour ; varices in- 

 terruptedly painted with dark chestnut ; columella extending into 

 a rough callus which joins the lip above ; peristome varicosely 

 thickened, bearing a row of denticles within ; aperture roundly 

 ovate; canal short, recurved; operculum horny, multi-spiral, 

 roughly laminiferous. 



Altitude 







28-5 mm 



Diam,, major . . 







20-5 ,, 



Aperture, alt. . . 







8 „ 



,, diam. 







5 



Habitat— Andam an 



Islands. 





I have much pleasure in dedicating this species to Colonel 

 L. W. Wilmer, to whose many years' collecting in the Andaman 

 Islands a number of interesting forms are attributable. 



Vertagus kochi, Phil., var. polita, var. nov. 



Much shorter, thinner, more polished and more lightly sculp- 

 tured than the typical form. In colour it varies from pale j^ellowish 

 grey or straw colour to dark reddish chestnut. 



