HELIX. 



Plate LXXI. 



Species 366. (Fig. a, b, c, Mus. Cuming.) 



Helix h^mastoma. Hel. testa imperforatd, globoso-co- 

 noidea, minuthsime granoso-pvnctald, castaned, infra 

 peripheriam zona lata alia ornald, apice rosed ; spird 

 conoided, obtusd; suiurd mediocri, alio marginaid ; 

 anfractibus quatuor, convexiuscuUs, rapidi accrescen- 

 tibus, ultimo basi subcompresao ; aperiurd perobliqud, 

 oblongd, intus albd; peristomate late r^xo, purpureo- 

 roseo aid nigra, marginibus callo lata junctis, coltimel- 

 lari valde dilatato, subexcavato. 



The pink-mouth Helix. Shell imperforated, globosely 

 conoid, very minutely CTaiiosely punctured, chestnut, 

 ornamented w-ith a broad wide zone beneath the peri- 

 phery, apex pink ; spire conoid, obtuse ; suture mid- 

 dling, white-edged ; whorls four, rather convex, in- 

 creasing rapidly, last whorl rather compressed at the 

 base ; aperture very oblique, oblong, wliite within ; 

 lip broadly reflected, purple-rose or black, joined by a 

 broad callosity, columeUar margin much dilated, 

 slightly excavated. 



LiNN/Eus, Syst. Nat. (12th edit.) p. 1247. 

 Helix /uematragus, Born. 



Had. Ceylon. 



Although this well-known species is named from its 

 pink lip, the lip is as frequently jet-black. The white-lip 

 variety represented at Fig. 366 a, is of much rarer occur- 

 rence. 



Species 367. (Fig. a,b, Mus. Cuming.) 



Helix melanoteagus. Hel. testa imperforatd, aubglc- 

 boso-conoided, tumidd, oblique productd, mimtlisaimi 

 granoso-pmiciatd, fulvescente et rosed, fusco tinctd, 

 nunquam zonatd ; anfractibus quatuor, plano-convexii, 

 subrude convolutis, rapidi accrescentiius, lineis incre- 

 tnenti conapicue notatia ; aperiurd valde obliqud, aub- 

 quadratu, labro nflexo, purpureo-nigro aut roseo, mar- 

 ginibus callositate, eodem colore, Junclis, columellari 

 latissime dilatatd. 



The black-lip Helix. Shell imperforated, somewhat 

 globosely conoid, swollen, obliquely produced, very 



minutely grauosely punctured, fulvous or rose, stained 

 wth brown, never zoned ; whorls four, flatly convex, 

 rather rudely convoluted, rapidly increasing, lines of 

 increase conspicuously marked ; aperture very ob- 

 lique, somewhat square, lip reflected, purple-black or 

 rose, margins joined by a callosity of the same colour, 

 columellar margin very broadly dilated. 



Born, Mus. Vindobonensis, p. 388. 

 Helix liamastorna tar., Pfeiffer. 



Hab. Ceylon. 



This is constantly distinguished from the preceding 

 species by its larger, lighter, ruder, and more swollen 

 growth, and the style of painting is also distinct, being 

 devoid of light or dark bands. 



Species 368. (Fig. a, b, Mus. Cuming.) 



Helix sipekba. Hel. testa imperforatd, subdepreuo- 

 coidcd, tumidd, oblique productd, miiiutissime granoto- 

 punctatd, ustulato-castaneo, pone labrum et circa colu- 

 mellam lacted ; anfractibus quatuor, plano-contexit, 

 ultimo pecidiariter declivi el obtuse angulaio, suitiu 

 planato, auperficie undique malleato ; aperturd valdf 

 obliqud, aubquadratd, fauce aentlescente, labro refifxo, 

 albo carneoh-marginato, marginibus callo junctis, mar- 

 gine columellari latissime dilatatd et excavald. 



The sdpebb Helix. Shell imperforated, somewhat de- 

 pressly conical, swollen, produced obliquely, verj- 

 minutely granosely punctured, burnt-chestnut, milk- 

 white behind the lip and around the columella ; 

 whorls four, flatly convex, the last peodiarly slant- 

 ing and obtusely angled, flattened beneath, the sur- 

 face indented throughout ; aperture verj- oblique, 

 somewhat square, interior bluish, lip reflected, white, 

 edged with earnelion, margins joined by a callosity, 

 colimiellar margin very broadly dilated and excavated. 



Pfeiffeu, Pro. Zool. Soc. 1851. 



Hab. Ceylon. 



This fine species is well distinguished from the foregoing 

 by its hard depressly angular growth and indented surface, 

 and by the peculiar earnelion enamel edging of the lip, of 

 which the under surface is milk-white. 



February, 1852. 



