NERÏTA JÜNQHUHNl. 63 



NOTE VUL 

 DESCRIPTION OF A NEW SPECIES OF NERITA 



BY 



M. M. SCHEPMAN. 



Nerita Junghuhni, n. sp. 



Shell semiglobose, solid, nearly smooth, with slight ra- 

 diating striae; colour dark yellowish-grey, with indistinct 

 white spots, forming spiral rows, some of which alternate 

 with black spots, giving to the shell a mottled appearance ; 

 whorls about 2^/3, spire scarcely exserted, more or less eroded, 

 showing a yellow layer; a few younger specimens are covered 

 by a yellowish epidermis; suture distinctly descending in 

 front. Aperture small, greyish blue; lip with a thick white 

 callosity and a dark grey margin, upper part of the white 

 callosity with a blunt tooth, scarcely visible in many 

 specimens. Columella with a broad but short tooth in the 

 upper part, slightly excavated in the middle, where it bears 

 2 or 3 small denticles, then slightly projecting again ; 

 columellar area white, smooth. 



'"x\j^£Sa^^j,,f«fe>f ^ 



Operculum flesh-coloured, with a radiating groove, divi- 

 ding the external surface in two parts, of which the mar- 

 Notes from the Leyden JMuseiim, A^ol. XXIII. 



