II E L I X . 



Plate CXXXIV. 



Species 827. (Mus. Cuming.) 



Heli.x s.ikcostoma. Uel. testa imperforatd, siibglobosd, 

 solidula, obsolete striata et (/ranulato-jjuiictidatd, fused, 

 castatieo fasciatd et paUide marmorald ; aiifractitius 

 quiiiqiie, vix convexiuscidis, ultimo anlice dtjlexo ; aper- 

 turd peroLUqud, lunato-ovali ; perislot/uile amplo, re- 

 Jiexo, sitbrevoluto, iiitido, cameo, marginibus approxi- 

 matis, callo crassitisculo junctis, busali sicpe subdentato. 



The FLE3H-M0UTU 1Ieli.\. Shell imperforated, some- 

 wiiat globose, rather solid, obsoletely striated and 

 gramilariy dotted, brown, banded and faintly marbled 

 with chestnut ; whorls five, slightly convex, the last 

 dctleetcd in front ; aperture very oblique, lunar-oval ; 

 lip large, reflected, a little turned back, shining, flesh- 

 coluur, margins ajiproximated, joined by a rather 

 tliick callosity, basal margin often slightly toothed. 



Webb and Berthelot, Syn. p. 312. 



Hab. Grand Canary Island. 



A prettily variegated solid shell, distinguished by an 

 unusually broadly reflected flesh-tinged lip. 



Species 828. (Mus. Cuming.) 



Helix Pokto-Saxctana. Eel. testd umbilicatd, depres- 

 sd, oblique rugoso-striatd, obsolete gramdatd, superne 

 rufd, paUide fasciatd, bast lutescetite vel albidd ; spird 

 subprominuld ; unfractdms quinqite, convexiuscidis, ul- 

 timo aiitice deflexo ; umbilico mediocri, pervio ; aper- 

 turd perobliqud, subcirculari ; peristomate carneo, mar- 

 ginibus fere conliguis, callo crassitisculo junctis, supero 

 expanso, basali incrassato, reflexo. 



The Porto Sancto Helix. Shell umbilieated, de- 

 pressed, obliquely rugosely striated, obsoletely gra- 

 uuled, reddish and faintly banded at the upper part, 

 yellowish or whitish at the base; spire rather pro- 

 minent ; whorls five, rather convex, the last deflected 

 in front; umbilii'us middling, open; aperture very 

 oblique, nearly circular ; lip flesh-tinged, with the 

 margins almost contiguous, joined by a rather tliiek 

 callosity, upper margin expanded, basal thickened 

 and reflected. 



SowERBY, Zoological Journal, vol. i. p. 57. pi. 3. f. 5. 



Hab. Island of Porto Sancto, Jladeii'as. 



A lightly wrinkled rcd-banded shell, with a nearly circu- 

 lar aperture. 



Species 829. (Mus. Cuming.) 



Helix Adansoni. Uel. testd imperforatd, depreuo-gto- 

 bosd, solidd, cirente-fuled eel caitaned, minutiuime 

 granutatd; anfract'diua quinque, concexiusculii, ultimo 

 convexo, angulato, antici infato, ad aperturam drftexu, 

 const ricto ; aperturd tubtrianyulato-lunari, inlut lac- 

 ted; peristomate incrassato, margine supero breciler 

 rejleio, infero recto, late appresm, ad columeltam tub- 

 tuberculato. 



.\.da.nson's Helix. Shell imperforated, deprcssly glo- 

 bose, solid, greenish-fulvous or chestnut, vcrj' mi- 

 nutely granulated ; whorls five, rather convex, the 

 last couvex, aiigulated, inflated in front, deflected and 

 constricted at the aperture; aperture somewhat tri- 

 angularly lunar, milk-while within ; li|) ihiekeued, 

 upper margin shortly reflected, lower margiu straight, 

 broadly apprcsscd, slightly tubcrcled at the colunielln. 



Webb and Bektiielot, 6yn. p. 313. 

 Le Pouchet, AdansoD. 

 Helix Pouchet, IJeshayes. 



Hab. Senegal, Canaries, and Ca|)c de Vcrd khindii. 



This species was first published by Adanson, in his 

 ' Voyage en Senegal,' but his names are not available for 

 our present form of nomenclature. 



Species 830. (Mus. Cuming.) 



Helix Lowii. Uel. testd umbilicatd, turbinatd, leuui, 

 subinjlatd, densi.viimi riiguloso-striatd, rufescrMte-lacted, 

 lineis rufls duabut medio ciugulatd ; tpird nUietevatd , 

 anfractibus quinque, conrexis, ultimo ad peripheriam 

 subangulato, basi rotundalo ; aperturd circulari, Ubro 

 rejlexiuscido, nutrginiiiis fere conliguit, caltosilale 

 jimclis. 



Lowe's Helix. Shell umbilieated, turbinoted, ihm. 

 somewhat inflated, very thickly rugosely striated, 

 reddish-cream colour, encircled round the niiddir 

 with two red lines ; spire somewhat raised ; whorls 

 five, convex, the last sUghlly angled nt the |«.riplicr>, 

 rounded ut the base; opcrture circular, lip nillicr 

 reflected, with the margins olmost contiguous, joined 

 by a callosity. 



Feklssac, Bull. Zool. 1S35. p. 89. 



Hub. Ishinil of Porto Sancto, Madeiras. 



This shell, which is oidy found in a pale scmi-foisil stale. 



October, 1852. 



