HELIX.— Plate CLIII. 



TuE Pyrenean Helix. Shell narrowly umbilicated, 

 orbicHilnrly depressed, rather flat at the upper part, 

 thin, pellucid, ohvc-horny; whorls five, rather flat, 

 the last not descending ; aperture lunar ; lip sharp, 

 reflected, white-edged, columellar margin dilated. 



DiiAPAiiNAiiD, Hist. Moll. p. 111. pi. 13. f. 7. 



Hub. Pyrenees. 



Of a clear transparent olive texture, allied in form to 



llie preceding species. 



Species 998. (JIus. Cuming.) 



Helix Faustina. Eel. testa umbilicatd, orlictdate-con- 

 vexd, Icevigatd, nitidd, superne luted, rufo-unifasciatd, 

 sublus fuscescente ; anfractibus qubique, vix convexius- 

 culis, ultimo aiitici tion dejlexo ; apertiird lunalo-ru- 

 tundatd ; peristomate albo-labiato, angulatim rejlexo, 

 marginibm subconvergentibua. 



The favoured Helix. Shell umbilicated, orbicularly 

 convex, smooth, shining, yellowish about tlie upper 

 part, with a single red band, brownish about the 

 lower ; whorls five, but little convex, the last not de- 

 flected in front ; aperture luuar-roundcd ; Lip white- 

 edged, angularly reflected, margins rather approxi- 

 mating. 



Ziegler, RossmiLsIer, Hist. Moll. vol. ii. p. 4. f. 93. 

 Varieties, Ilelix sativa and associata, Ziegler. 



Jfab. Central Europe. 



Distinguished by a very characteristic dark red band. 



Species 999. (Mus. Cuming.) 



Helix zonata. Hel. testa umbilicatd, orhicidato-con- 

 vexd, olivaced, subpellucidd,fmco-umfasciatd ; anfrac- 

 tibus quinque ad sex, convexiusculis, ultimo antice de- 

 scendeide ; aperlurd lunato-ovali ; peristomate simpUci, 

 marginibus subconniventibus, supero expanso, basali re- 

 jlexo, columellari dilatato. 



The zoned Helix. Shell umbilicated, orbicularly con- 

 vex, olive, subtrausparent, with a single brown band ; 

 whorls five to six, rather convex, the last descending 

 in front; aperture lunar-oval; lip simple, margins 

 rather approximating, upper margin expanded, basal 

 reflected, columellar dilated. 



Studer, Naturwiss. Anzeiger, 1820. Ferussac, Hist. Moll, 

 pi. 68. f. 8. 

 Zonites planospirui, Hartmann. 



Ilab. Piedmontese Alps. 



Approximating in general character to the preceding 

 species, but of a difi"ercnt form. 



Species 1000. (Mus. Cuming.) 



Helix Carseolana. Ilel. testa obtccte umbilicatd, orbi- 

 culato-depressd, albidd, maculate quadrifasciatd, subtili- 



ter striata; anfractibus qualuor ad quitique, coHvexim- 

 culis ; aperlurd perobliqud, ovali ; peristoiimt^ aperti 

 reflexo, plerumque fasculo, sublabiato, margiitihu* ap- 

 proximatis. 



The Cakseoli Helix. Shell with a covered umbilicus, 

 orbicularly depressed, whitish, encircled with four 

 spot-bands finely striated ; whorls four to five, rather 

 convex ; aperture very oblique, oval ; lip openly re- 

 flected, generally brownish, slightly edged, margins 

 approximating. 

 nel'u muralis, tar., Cantraine. 



Ilab. Environs of Carscoli, Italy. 



Allied to H. Melitemis, but more probably a variety of 

 the species which follows. 



Species 1001. (Mus. Cuming.) 



Helix muealis. Hel. testa obtecte umbilicatd, subde- 

 pressd, supeme valde rugoso-costald, striata, albidd, 

 fusco-maculatd ; anfractibus qualuor ad quinque, coa- 

 vexiusculis, ultimo antice dejlexo ; aperlurd perobliqud, 

 transversa subovali, intus fused; peristomate albo-la- 

 biato, acuto, marginibus vix connicenlibut, dextro ex- 

 panso, basali lavissime arcuato, rejlexo, appresso. 



The wall Helix. Shell with a covered umbilicus, 

 rather depressed, strongly wrinkle-striated, whitish, 

 brown-spotted; whorls four to five, rather convex, 

 the last deflected in front ; aperture very oblique, 

 transversely suboval, browni within ; lip white-edged, 

 shaq), margins rather approximating, right margin 

 expanded, basal very smoothly arched, reflected, ap- 

 presscd. 



MuLLER, Vennes, vol. ii. p. 14. 

 Helix riigulosa, Risso. 



Hab. Italy and Sicily. 



This diflcrs little from the preceding species except in 

 being more depressed, and more strongly wrinkle-striated. 



Species 1002. (Mus. Cuming.) 



Helix inchoata. Hel. testa orbiculalo-convexd, tenui, 

 umbilicatd, corneo-lutescente eel aeellanaced, scrpiuspel- 

 lucidd ; spird prominuld ; anfractihui septem, subpla- 

 nis, strialulis, infmo fasciato, sublus turgidulo ; aper- 

 lurd subrotundd, labro simplici, fragili. 



The unfinished Helix. Shell orbicularly convex, thin, 

 umbilicated, horny yellow or filbcrt-ooloun'd, ollcn 

 transparent ; spire prominent ; whorls seven, mther 

 flat, finely striated, the lowest banded, rather swollen 

 beneath ; ajjcrturc nearly round, hp simple, fragile. 



MoRELET, Moll, of Portugal, n. 70. pi. 70. f. 1. 



Hab. Portugal. 



A shell of simple globular form, of which the lip 

 scarcely thickened. 



