HELIX.— Plate CLV. 



guatiior, plano-converk ; aperturd transverse liinari ; 

 perintomale simplici, sub'mcrassalo, margine columelluri 

 brevity revoluto. 



The molrnfcl Helix. Shell iiarrowlv umbilicatcd, 

 obliquely orbicular, convexly depressed, obliquely 

 thickly imprcssly striated, more or less poLshed, 

 livid-brown at the upper part, white beneath, encir- 

 cled with two bands, a white and a chestnut one, at 

 the ])eriphery, umbilical area chestnut ; whorls four, 

 flatly convex; aperture transversely lunar; lip sim- 

 ple, rather thickened, columellar margin shortly 

 turned back. ^ 



Beck, MSS. (Mus. Cuming), i*^ 



Hab. ? 



Of the same typical character as //. citrina, from which 



species it differs in the manner in which it is striated, iu 



its more solid substance, and in its plan of colouring. 



Species 1018. (Mus. Cuming.) 



Heli.\ jiacisteb. Hel. te»td imperforatS, tuipyramidali- 

 fflobom, oblique tlriatd, purpureo-castanea, epidermide 

 tenui hydrophmm subfanciatd decidud induid ; tpird 

 elatd, obtusd ; anfract'ditu quinque, context* ; aperlurd 

 lunari ; peristomate reflexo, Iwido-catlatteo, margvie 

 columelluri late diUtlalo-appreao, alio. 



The master Heli.k. Shell imperforated, somewhat py- 

 ramidally globose, obliquely striated, purple-chestnut, 

 covered with a thin sub-banded deciduous bydropha- 

 nous epidermis ; spire raised, obtuse ; whorls five, 

 convex ; aperture lunar ; lip reflected, Und-chestnut, 

 columellar margin broadly dilately appressed, whit<;. 



Pfeiffek, Ztitsehrift fiir Malac. 1S52. 



Hoi. Philippine Islands. 



Very distinct in form from any species hitherto de- 

 scribed from the Philippines. 



