HELIX.— Plate CCVI. 



depreitsd, leiiticulari, obliiti carinald, obliqui itriald, 

 albidd, maculif fiiscU Initiglnoid, medio alio cini/utald; 

 au/racliiiis ses ad si-ptem, plano-drclicibiu ; aperturd 

 subaiigulalo-lunari, hitiu fiucd, labro timplici, ad co- 

 lumellam breciler dilatato. 



Chastelle's Helix. Slu-U moderately umbilicatcd, de- 

 pressed, lenticular, obtusely keeled*, obliquely striiited, 

 whitish, freckled with brown spots, encircled with 

 white round the middle ; whorls six to seven, flatly 

 slantini^ ; aperture somewhat angularly lunar, brown 

 in the interior, lip simple, shortly dilated at the colu- 

 mella. 



Fercssac, Hist. Moll. pi. 80. f. 4. 

 Helix Cracfwrodii, Gray. 



Ilab. India. 



Curiously mottled throughout with opakc milk-white, 

 through which the chestuut-bromi colouring is seen at 

 intervals. 



Species 1456. (Fig. a, b, Mus. Brit.) 



Helix rhombostoma. Hel. lestd imperforatd, trochi- 

 formi, oblique striatuld, liiieis confertissimis concen- 

 tricis subdecuimld, niliduld, alhido-fulvexente^fanciis 

 cattanem plurimi^ cingulaid ; anfracMm quiiique, 

 plano-declivibiu, uUimo acute cariiiato, ban couvexo- 

 deprenso, antice aubdeflexo, ad latus concavo-impresso ,- 

 aperturd ritombed, labro violaceo, margine columellari 

 late calloio-stricto. 



The bhomboid-moutii Helix. Shell imperforated, Iro- 

 chus-shaped, obliquely finely striated, faintly decus- 

 sated with very close-set concentric lines, rather 

 shining, light fulvous, encircled with several chest- 



nut bands ; whorU five, flatly slanting, the last 

 sharply keeled, convexly dc-pre»*cj at the bnsc, B 

 little dcfteeled in front, eoncavely inipri-ssed at the 

 side ; aperture rhomboid, lip violet, columellar mar- 

 gin broadly callously drawn out. 



Pfeiffeb, Pro. Zool. Soc. 1S15, p. 72. 



Jhb. ? 



Of this peeulinr species only one other specimen, in the 

 collection of Mi.ss .Said, is known. It is of an Australian 

 type, shaq)ly angled at the base, encircled throughout with 

 clear narrow oningc-chestnut linear bands, blotched next 

 the suture, the sharply angled oblique aperture being pur- 

 ple-tinged. 



Species 1457. (Mus. Brit.) 



Helix Belangeri. //<•/. testd angiuti umbllicatd, mb- 

 plaiiulato-globond, tenui, iidtpellucidd, tuperni ttrii* 

 teniiibiis deausald, aiirantio-fuhd, infra albidd el roteo 

 tiiictd; anfractibM quiiique, conrexiuKulit, iiUiiuo ad 

 peripheriam obtuse cariiiaio ; aperturd fitbaiiipld, labro 

 fimplici. 



Belanger's Helix. Shell narrowly umbUicated, rather 

 flatly globose, thin, subpellucid, decussated at the 

 upper part with tine stria-, orange-fulvous, whitish 

 and rosc-tiuged beneath ; whorls five, rather convex, 

 the last obtusely keeled at the periphery; aperture 

 rather large, lip simple. 



Desuayes, Voy. Belanger, Zool. p. 43. pi. 1. f. 1-3. 



Hab. Pondichcrry, India. 



A light globosely inllatcd species, bright orange-fulvous 

 above, whitish and delicately rose-tinted beneath. 



