HELIX.— Plate XXVm 



perittomate purpureo-roieo, late erpaiiso, margint- batali 

 mflexo, eotumellari breti, umljiticum fere legente. 

 Pennant's Melix. Slu-ll narrowly umbilicatcd, orbicu- 

 larly conoid, sharply keeled, tbiii, finely striated, ir- 

 regularly and li^lilly iudciilcd, pale nankeen colour, 

 purplisb at the ajK-x ; whorls five to six, scarcely con- 

 vex, the last but little descending anteriorly, rather 

 flattened at the base ; aperture very oblique, an- 



^arly lunar, interior white ; lij) purple-rose, broadly 

 expanded, basal margin reflected, coluracUar margin 

 short, almost covering the umbilicus. 



I'keiffer, Pro. Zool. Soc. 1845, p. 67. 



Jlab. ? 



This is a very characteristic species, and at j)rescni one 

 of great rarity. Its locjJity is unknown. 



