58 On neiv Land- Shells from the Andamans and Nicobars. 



Shell subglobosely conoid, imperforate ; sculpture, the lon- 

 gitudinal stria3 are only to be traced in places, the surface 

 very polished ; colour dark sienna-brown ; spire subconoid, 

 apex blunt ; suture very shallow ; whorls 5, regularly in- 

 creasing ; aperture lunate ; peristome thin, columellar margin 

 thickened and curved as in the genus. 



Size : maj. diam. 7'd, min. 7*1, alt. axis 4*0 millim. 



This is a very distinct species and much larger than any 

 yet recorded from these islands. [ have named it after 

 Professor Hochstetter, who gave the first account of the 

 geological and physical features of the Nicobars in the ' Reise 

 der Novara.' 



Macrochlamys battimalvensis^ n. sp. (Nevill, MS.) 



Loc. Battemalve Island. 



Shell very depressedly conoid, sharply carinate, umbilicated; 

 sculpture regular, distant, fine longitudinal striae, crossed by 

 irregular transverse lines ; colour pale horny ; spire flatly 

 pyramidal, apex rounded ; suture shallow ; whorls 4 (incom- 

 plete), flat; aperture quadrate, oblique; peristome thin, 

 columellar margin perpendicular. 



Size : maj. diam. 9'5, min. 8*5, body-whorl 4*0 millim. 



Helix {Microcystis) suhpatuloidea, n. sp. (Nevill, MS.). 



Loc. South Andamans {De Roepstorff) . 



Shell depressedly pyramidal, openly umbilicated, carinate, 

 not polished; sculpture fine, close, rough, transverse ribbing, 

 crossed by obscure, longitudinal, rather distant stri« ; colour 

 dull umber-brown ; spire subconoid, apex rounded ; suture 

 shallow ; whorls 4^, flat above, convex below ; aperture 

 quadrate, oblique ; peristome thin, columellar margin sub- 

 oblique. 



Size : maj. diam. 5'2, min. 4*8, alt. axis 2*8 millim. 



This is no. 89 of Nevill's revised Hand-list, facing p. 41. 



Georissa Roepstorffl, n. sp. (Nevill, MS.). 



Loc. South Andamans {De Roepstorff). 



Shell globosely conical, imperforate, rather solid ; sculpture 

 well-marked spiral ribbing, about fifteen on the last whorl in 

 front, the apical whorl smooth ; colour pale ruddy brown ; 

 spire moderately high, apex blunt, mammillate ; suture deep ; 

 whorls 4, convex, the last full and rounded ; aperture oval ; 

 peristome simple, columellar margin oblique and straight. 



