H E L I X. 



Plate CXLVII. 



Species 950. (Mus. Cuming.) 



Hklix CoNST.\N'ri.NA. Ihl. (esld imperforalS, tubglobosS, 

 sirialuln, nilidd, albtdd, fasc'm bderdum oLtolelis 

 fmck vel riijis oriiald ; anfraclibm quiiiqiie, cuuterii, 

 ultimo aiUici JeJIexo ; aperlurd rotumlalo-lunari ; pe- 

 ristouale simplici, aiio, mdtlaiialo, lati expaiiao, mar- 

 gine columellari dricliiisculo, aubdenlato. 



TuE CoxsTAXTiNE ]Ielix. Slitll iiiipcrforiUcd, 9ul)gio- 

 bose, finely striated, shiuiiig, whitish, ornamented 

 with five sometimes obsolete brown or red bands ; 

 whorls five, convex, the last dcfieeted in front ; aper- 

 ture rotundatel)' lunar; lip simple, white, slightly 

 edged, broadly expanded, columcllar margin rather 

 drawn out, slightly toothed. 



Forbes, Ann. Mag. Nat. Hist. 1838. 

 Ildix Cirtof, Terver. 



HaL Province of Constantina, Algiers. 



Distinguished from H. vermiculala chiefly by its short 

 globose form. 



Species 951. (Fig. a, b, Mus. Cuming.) 



Helix cespituji. Ilel. testa umbilicatd, globoso-depressd, 

 slriatd, albd, plerumrjue fiisco-mitlti/asciatd ; spird 

 parum elevald, obtusd ; anfractibits sex, conceximciilis, 

 ultimo magno, iereti, aittice vix desceudente ; umbilico 

 mediocri, percio ; apertiird litnato-rotmidatd ; periato- 

 mate recto, acuta, atbo-labiato, marginibits conniveiiti- 

 bus, columeltari subditatato, patente. 



TuE TCRF Helix. Shell umbilicated, globosely de- 

 pressed, striated, white, generally many-banded with 

 brown; spire but little raised, obtuse; whorls six, 

 rather convex, the last large, terete, scarcely descend- 

 ing in fi'ont ; umbilicus middling, open ; aperture 

 lunar-rounded ; lip straight, acute, white-edged, mar- 

 gins approximating, columcllar margin subdilatcd, 

 open. 



Dbapau.naud, Hist. Moll. p. 109. pi. IG. f. li, 15. 

 Helix fasciolata, Poiret. 

 Udicella Em-ythmia, Hartmann. 



Hab. Southern Europe. 



The form of this species is rather depressed and inclined 

 to discoid, the band-painting being extremely variable. 



Species 932. (Mus. Cuming.) 



Helix ElIREXBEUor. Ilel. tntd obteeti umhilicatd, glo- 

 boio-deprefid, Iraimerne dilatatd, calcared, craud, to- 

 tidd; aufractibii» quntiior ad quinque, ultimo rentricoto ; 

 aperturd angulosd, latiore quam altd ; peristomale rec- 

 to, tuperntntcto, margine columellari itricto, calloio, 

 gibbo, alio, fauce fused. 



FiiRENBEiKi's IIi:lix. Shell with a covered umbilicus, 

 globosely depressed, transversely dilated, calcareous, 

 tliick, solid ; whorls four to five, the last ventricose ; 

 aperture angular, broader than high ; lip straight, 

 built upon, columellar margin drawn out, callou*. 

 gibbous, white, interior brown. 



Roth, Diss. p. 12. pi. 1. f. 15. 



Helix irregularii, var. Ferussac. 



Hab. Banks of Lake Mareotis, Egypt. 



A white chalk-like shell, peculiarly irregularly w^riiiklcd 

 and indented, brown-stained in the interior. 



Species 953. (Mus. Cuming.) 



Helix guttata. Hel. leatd ubtrcH mnbi 

 supenii ptaniusculd, bati coucexiore, !■ 

 atria td, griaed, inlernipte fitaco-fatciald ; anfracliiua 

 qualuor ad quiiique, plaiiulatia, ultimo antice vit de- 

 Jlexo ; aperturd rotumlalo-lunari ; peristomate expaiuo, 

 iiitua sublabiato, mnrgiiiibua coiinieeHlibua, cvlHmellan 

 dilatato, regionem umbilicalem prorsua tegeitU. 



The mottled Helix. Shell with a covered umbilicus, 

 depressed, rather flat about the upper part, more con- 

 vex at the base, thin, rib-like striated, grey, inter- 

 ruptedly brown-banded; whorls four to five, rather 

 flat, the last a little deflected in front ; aperture ro- 

 tunclutely lunar ; lip exiwnded, slightly edged, mar- 

 gins approximating, columcllar margin diUted, alto- 

 gether covering the region of the umbilicus. 



Olivier, Voy. Levant, vol. ii. p. 334. pi. 31. f. 8. 



Hab. Syrio, Egypt. 



Peculiarly eharaetcrizcd by an edging promiocucc of the 



whorU at the suture. 



Species 951. (Mus. Cuming.) 

 Helix sPIUIPLANA. Hel. tettd umbiticaUi, nborbictilato- 



depreud, oblique lulcalo-plicatd, olivacro-iHtetcrntr, at- 

 Februarv, 1S53. 



