HELIX. 



Plate CLXl. 



Species 1063. (Mus. Cumiiig.) 



Helix aperta. Uel. te^td imperforatd, ovalo-gloiosa, in- 

 Jhtd, lenui, plkato-Hriald, olivaceo-fuscd ; anfracliltus 



qimluor, convexiusculis, rapide accrescentil/u-a ; aper- 



turd oiovali; perktomate ■limplici, aailo, albo-limljato. 

 The open Helix. Shell imperforated, ovatcly globose, 



inflated, thin, plicately striated, olive-brown ; whorls 



four, rather convex, increasing rapidly ; aperture ob- 



ovate ; Up simple, acute, white-edged. 

 Born, Mus. CiES. Vind. p. 387. pi. 15. f. 19 and 20. 



Helix Neriioides, Chemnitz. 



Helii Naticoides, Draparuaud. 



Helix Karalilaiia, Sowerby. 

 Hall. Southern Europe. 



An extremely inflated globose species, of homy, vesi- 

 cular substance. 



Species 1064. (Mus. Cuming.) 



Helix olivetorum. Hel. te-itd aperie umiilicatd, glo- 

 boso-depreaa, nitidd, fflairimculd, supra corneo-riifd, 

 iubiu-1 virente-albidd ; arifractibm quinque ad sex, pla- 

 niusculis, ultimo antice non descendentu ; aperturd lu- 

 nato-rotundatd ; peristomate simplici, acuto, recto, 

 marffine colu/nellari oil reflexiusculo. 



The oliveyard Helix. Shell openly umbilieated, glo- 

 bosely depressed, shining, smooth, homy-red above, 

 greenish -white beneath ; whorls five to si.v, rather 

 flat, the last not descending in front ; aperture lunar- 

 rounded ; lip sim])le, sharp, straight, columcllar mar- 

 gin slightly reflected. 



Gmelin, Syst. Nat. p. 3639. 

 Helix incerla, Draparnaud. 

 Helix cespitum, var., Cantraine. 

 Helix Leopoldina, Charptnticr. 

 Hdix filicum, Kryuieki. 



Uab. France and Italy. 



The H. Leopoldina, Charpentier, is a large-sized variety 

 of tliis species. 



Species 1065, (Mus. Cuming.) 



Helix fruticcm. Hel. testd aperti nmbilicatd, globoid, 

 semipellucidd, rufescenie aut aUido-lulescente, raru 

 castamo unifasciatd ; aiifractibui quinque ad sex, con- 



May, 



vexis, concenlrid obsolete ttriolalia, ultimo bati inflate, 

 circa uinbilicum excavato ; aperturd lunato-rotuitdatd ; 

 peristomate subpatulo, sublabiato. 



The shbl'b Helix. Shell ojwnly umbilieated, globose, 

 semitransparcut, reddish or yellowish-white, with, 

 rarely, a liglit chestnut band ; whorls Ave to six, 

 convex, concentrically obsoletcly finely striated, laat 

 whorl inflated at the base, excavated around the um- 

 bilicus ; aperture lunar-rounded ; lip subpatulate, 

 slightly edged. 



MuLLER, Hist. Verm. vol. ii. p. 71. 

 Helix terrestris, Gmclin. 

 Helix cinerea, Poirct. 



Hab. Germany, France, and Switzerland. 



The aperture is nearly circular, end the columellar mar- 

 gin is somewhat broadly diktcd over towards the umbi- 

 licus. 



Species 1066. (Mus. Cuming.) 



Helix algira. Hel. testd lati umbilicatd, orbf 



texd, obsolete aiigulatd, supra miuutissime 'ji 

 decussatd, epideiinide comeo-luttscetde decidna raJi- 

 atd, subtus nitidd ; anfractibtts sex, tupremis pl'iiii\ 

 ulliiiio convexo ; aperturd lati oblique hinari : prr"'' ■ 

 mate recto, intus calloso. 



The whorled Helix. Shell broadly umbilicatt-ci, • rn,- 

 cularly convex, obsoletcly angled, vcrj- minutely jrr.i- 

 nularly decussated above, rayed with a yellowish- 

 homy deciduous epidermis, shining beneath ; whorls 

 six, uppermost flat, the last convex ; aperture broadly 

 obUqucly lunar ; lip siniight, callous nithin. 



LiNN.EUS, Syst. Nut. (12th edit.) p. 1242. 

 Helix oculus-capri, MiiUcr. 

 Helix agophthalmos, Gmclin. 



Hab. South of France, Sicily, Sardinia, Corsica. 



This fine large species may be readily distinguishetl by 

 its orbicularly convoluted fomi, and deep pcrsixxtive um- 

 bilicus. 



Species 1067. (Mus. Cuming.) 



Helix verticillus. Hrl. te»i ■' ••"•i- 



globosd, supeme minutim df , rigu 



talis reinoti* lutein omatd, lubtu* glabra, mtidd, vi- 

 resceitte-luted ,- aM/raclibui lepttm, omnibui eontexis ; 



1853. 



