HELIX.— rLATE CXl.VllI 



towards tlie ri^'lit, rmiiislicd upon the upper margin 

 with two tliick tubeii'lfs flowing togetlier. 



CiiARPENTiKii, Zeitschrifl lur Malac. 1847, p. 133. 



Hub. Arabia I'etr.ua. 



Singularly clianicterized by the liatdiet-sliaped contrac- 

 tion of the aperture. 



Species 962. (Mus. Cuming.) 



IIki.ix VERMict'LAT.\. IM. tedd imperforatu, globoso-ih- 

 premi, liitescetite, I'meolis puiiclinque incransads aliis, 

 fasciUqiie riifw siipem stBpissimi t/eniatU varie omatd ; 

 aiifractibus quinqiie, convexiuscidia, ultimo antici (h- 

 Jlexo ; aperlurd perobliqud, late litiiari ; perktomate 

 albo, late rifjlexo, marijine coluinellari strictiuiculo, cal- 

 loso. 



The WORM-EATEN Helix. Shell imperforated, globosely 

 depressed, yellowish, variously ornamented with white 

 thickened lines and punctures and red bands, the 

 uppermost often filleted ; whorls five, rather convex, 

 the last deflected in front ; aperture very obliquej 

 broadly lunar ; lip white, broadly reflected, columel- 

 lar margin rather drawn out, callous. 



MuLLEK, Verm. Hist. Nat. vol. ii. p. 20. 

 Belix lach'a, Hartmann. 

 Helia t/uilassina, Porro. 



Nab. Southern Europe. 



The surface of this fine species is peculiarly characte- 

 rized by a multitude of oblique worm-like indentations. 



Species 963. (Mus. Cuming.) 



Helix hieroglypiiicula. IM. testa imperforatd, de- 

 pressd, solU/d, nitidd, aJbiJu-curtied, fusco-atomatd, 

 fasciis nigro-ftucu, aiiperkiribus plerumque niaculose 

 i/itcrriiptk oniald ; spird convexd, obtuad ; aiifractibus 

 quatiior ml qiiiiiqiie, plania, summis cariiiatia, ultimo 

 antics valde deflexo ; aperturd ovalo-lunari, subhori- 

 zontali, iiiliis caataned ; peristomate obluaato, margiiii- 

 bna aiibparaltelia, dexlro leciler arcuato, columellari 

 atrictiore, calloso, ijiblio. 



The hiekoolyphic Helix. Shell iraperforated, de- 

 pressed, solid, shining, whitish-flesh, brown-punc- 

 tured, ornamented with four to five black-brown 

 bands, the upper ones being generally spot-inter- 

 rupted ; spire convex, obtuse ; whorls four to five, 

 flat, the uppermost keeled, the last much deflecte<l in 

 front ; aperture ovately lunar, subhorizontal, chestnut 

 within ; lip obtuse, margins nearly parallel, right 

 margin shortly arched, columellar margin more drawn 

 out, callous, gibbous. 



MiCHALD, Cat. Moll. d'Alger. 



Hab. North Africa. 



Chiefly distinguished by the freckled character of a ligiit 

 epidermis, which makes the upper bands ajjpear broken 

 up into spots. 



Species 964. (Fig. o, 6, Mus. Cuming.) 



Helix desertorum. llel. U:atd subobt^xte umbilicald, 

 siibfflobosd, depreaaiuaculd, loiigitudiimlittr atriatd aut 

 Iteviuaculd, varii coloratd et zonald ; uiifractibita qiia- 

 tiior ad qiiiiiqiw, convexiiiaculia ; aperturd angulutd, 

 margine coliuntllari in angulum deacendente ; fauce 

 fiiacd; periatomate aimplici vet reflexo. 



The desert Helix. Shell with a nearly covered um- 

 bilicus, subglobose, rather depressed, longitudinally 

 striated or rather smooth, variously coloured and 

 zoned ; whorls four to five, rather convex ; aperture 

 angled, columellar margin descending into an angle , 

 interior brown ; lip simple or reflected: 



FoKSKAEL, Ehrenberg, Symb. Phys. 

 Helix maciilusa, Born. 

 Helix irregularia, Fcrussac. 

 Helix rJiodia, Chemnitz. 

 Helix Forskalii, Ehrenberg. 

 Helix Hemprichii, Ehrenberg. 

 Helix Haaaelquiatii, Ehrenberg. 



Hab. Deserts of Egyiit, Libya, Arabia Petr.ca, etc. 



Variously dark zoned and streaked ; sometimes without 

 marking. 



