H E T. I X . 



Plate CLXVl. 



Fig. Ulu. (Mus. Cuming.) 



The shell iiere figured proves to be II. pura. Alder, de- 

 scribed in PI. C'XXI. Fig. 715. 



Species 1111. (Mus. Cuming.) 



Helix .^culeata. Ilel. teitd uvibiUcatd, pusilld, ghboso- 

 turbinata, corneo-luteacente, lamelUcostald, codis in ci- 

 lia elonffads ; mifractibus quaUior, convexis ; aperturd 

 rotundald; periUomaie membra)iaceo,subexpamo,mar- 

 yinibus approximaiis. 



The prickly Helix. Shell umbilicated, small, glo- 

 bosely turbinated, horny-yellow, lamella-ribbed, ribs 

 elongated into lashes ; whorls four, convex ; aperture 

 rounded ; lip membranaceous, a little expanded, with 

 the margins approximated. 



Mulleu, Hist. Verm. vol. ii. p. SI. 

 Helix ipinulosa, Lightfoot. 

 Trochm leires/ris, Pennant. 



Hab. Central and Southern Europe. 



X minute prickly haired shell, with somewhat the form 

 of a Paludina. 



Fig. 1112. (Mus. Cuming.) 



A variety of //. occidentalia, described in PI. CLIY. 

 Sp. 1005. 



Species 1113. (Mus. Cuming.) 



Helix solaria. Ilel. testa latiadmi umbilicata, lenticu- 

 tari, siiperni plaiiiiisculd, sublus excacaid, (eniii, cos- 

 lulato-slriald, corned, rvfo-maculatd, acuti carinatd ; 

 anfractibus sex ad seplem, planulatis, letiie accresceidi- 

 bus ; aperturd securiformi ; perislomate simplici, aculo. 



The sux-like Helix. Shell very broadly umbilicated, 

 rather flat at the upper part, excavated Ijeneath, thin, 

 rib-like striated, horny, red-spotted, sharply keeled ; 

 whorls six to seven, flat, increasing slowly ; aperture 

 wedge-shaped ; lip simple, sharp. 



Menke, Synopsis (2nd edit.), p. I'J. Eossmiislcr. Hist. 

 Moll. vol. \-ii. p. 12. f. 453. 

 Helix perspectivn, Muhlfeldt. 

 Helix Megerlei, Jan. 

 Helix rotunda ta, var., Ferussac. 



Hab. .\ustria. 



Very widely convoluted, almost on a sharp discoid 

 plane. 



Species 1114. (Mus. Cuming.) 



Helix crystallina. Hel. testa utniilirafd, deprrs-vt, 

 tilred, diapliand, glaljrd, nitidissimd ; ai\fractihus ipm- 

 tuor ad quinque, planiusculis ; aperturd I unari : pen- 

 stomate recto, simplici. 



The crystalline Helix. Shell umbilicated, depressed, 

 glassy, diaphanous, smooth, very shining; whorls 

 four to five, rather flat; aperture lunar; lip straight, 

 simple. 



MuLLER, Hist. Verm. vol. ii. p. 23. 

 Helix pellucida. Pennant. 

 Helix eburnea, Hartmann. 

 Helix tilrea. Brown. 



Hab. Europe. 



A minute pale glassy shell, of rounded form. 



Species 1115. (Mus. Cuming.) 



Helix ISIBILICATA. Hel. testd umbilicata, dtprtsso-lur- 

 binatd, minute striata, sericind, fusco-comed ; anfrnc- 

 tihus quinque, contexis, ultimo antici non detceitdente , 

 uinbilico mcdiocri, pervio ; aperturd rotundald; prri- 

 stomale simplici, acuto, recto. 



The cmbilicated Helix. Shell urabilicatc<l, deprcssly 

 turbinated, minutely striated, silky, brown-homy , 

 whorls five, convex, the last not descending in front ; 

 ujubilicus middling, open ; aperture rounded : lip 

 simple, sharj), straight. 



Montagu, Testacea Britnnnica, p. 434. pi. 13. f. i 

 Helix riipeslris, Ferussac. 

 Helix aliena, Zieglcr. 

 Helix spirula. Villa. 

 Zonilcs umbilicalus, (irny. 



Hab. Central and Southern Kuropc. 



A minute brown-homy species, deeply umbilicatci! 



1 



Species lllti. (Mus. Cuming.) 



Helix ROTINDaTA. Htl. testd perspectid ; 

 depressd, arcti-^pird, comeo-lutescenle, ruj 

 subtiliter costutato-striatd ; tpird coHVexd ; anfracti- 

 bus sex ad siptem, planulatis. ultimo angulato ; oprr- 



■ -.:? 



