HELIX. 



Plate CLXX. 



Species 1143. (Mus. Cuming.) 



Helix hyalina. Eel. kda vix subumbiUcatd, suborhi- 

 culald, arcliynrd, viired, diaphand, glabra, n'UidU- 

 simd; anfraclibiM sex, planulatis ; aperlura aiigmtU- 

 dmi limari ; perklomale recto, aimplici. 



The hyaline Helix. Shell very slightly umbiUcatcd, 

 suborbicdar, close-spired, glassy, diaphanous, smooth, 

 very shining ; whorls six, rather flattened ; aperture 

 very narrow, lunar ; lip straight, simple. 



Ferussac, Prodrome, p. 22i. 

 Helix cotdorla, Held. 

 Vitrea diaphana, Fitzing. 



Hab. Germany, France. 



A minute straw-coloured glassy shell. 



Species 1144. (Mus. Cuming.) 



Helix HVDAtina. Hel. testa umbilicatd, depressd, aliidd, 

 pellucidd, striatuld ; suturd marijinatd ; a/ifractibm 

 guhique, planiuscidi-?, nltinw non descetulenle, basi sub- 

 plamdato ; aperturd depressd, oblique lunari ; peristo- 

 mate recto, acuta, siaplin, margine dexlro antrorsum 

 subarcuato, columellari vix rc/kxiusnulo. 



The wateky Hllix. Shell umbilicated, depressed, 

 whitish, transparent, finely striated ; suture mar- 

 gined ; whorls five, rather flat, the last not descend- 

 ing, rather flat at the base; aperture depressed, ob- 

 liquely lunar ; lip straight, sharp, simple, right margin 

 arched iu front, columellar a little reficctcd. 



RossjiASLER, Hist. JIoll. vol. viii. p. 3G. f. 529. 



Hab. Corfu. 



Allied to the preceding species, but more opake, and 

 more distinctly umbilicated. 



Species 1145. (Mus. Cuming.) 

 Helix circomlineata. Ilel. testa uniiili/-atd, depressd, 

 subdi^cuided, tcnerd, hyalina, siipcrtie liiieis cunfertii 

 spiralibus sculptd; suturd impressd, i,iargiiinld ; an- 

 fraclihus quinque, nngustis, vix convexiusculis ; umbi- 

 lico lata, persiieciiro ; uperlurd rerticali, late luiiari ; 

 peristoinuta sii.iplici, ncuto, margine siiperu aidrursum 

 arcuate, columellari breci, subsinuato, non dilalato. 

 The circlmlineate]) Helix. Shell umbilicated, de- 

 pressed, subdiscoid, light, hyaline, engraved round 

 the upper part with close-set spiral lines; suture 



July. 



impressed, margined; whorls five, narrow, slightly 

 convex ; umbilicus broad, perspective ; aperture ver- 

 tical, broailiy lunar ; lip simple, sharp, upper marpn 

 arched in front, columclkr margin short, subsinuated, 

 not dilated. 

 KcsTEU, Pfeilfer, Sj-mbola;, vol. iii. p. 68. 

 Hab. Dalmatia. 



Remarkably characterized on the upper part by a num- 

 ber of fine spiral linear grooves. 



Species 114C. (Mus. Cuming.) 



Helix filicina. Hel. tesld umLdicald, Jepretio-ghbosa, 

 pellucidd, piirpurasceide-corned, pilit brevistimis »par- 

 «w obsitd; nnfractViua sex, leute accrescenlibus, ultimo 

 albido-cingulato ; umbilico angutto, aj>erlo ; aperturd 

 lunari ; peristomate iniut roseo-labialo, margine colu- 

 mellari rejleximculo. 



The feun Helix. Shell umbilicated, deprcssly globose, 

 pellucid, purjile-liomy, beset with very short scat- 

 tered hairs ; whorls six, increasing slowly, the last 

 white-ringed ; umbilicus narrow, open ; aperture lu- 

 nar; lip rose-edged within, columellar margin a little 

 reflected. 



Schmidt, Pfeiffer, Symbohc, vol. i. p. 39. 



Hab. Camiolia. 



Of a rich subtransparcnt purplc-hom colour. 



Fig. 1147. (Mus. Cuming.) 

 Tlie shell here figured o» a magnified scale, proves to 

 be H. alliaria, described at PL CLXHI. Sp. 10S4. 



Species 1148. (JIus. Ciuning.) 

 Helix complanata. JM. testa suUati umbiUcald, du- 

 coided, depressd, teuui, diipliand, fHtcescrntf, supenti 

 plund, sublus umbilii^o excaraUi ; anfractibui qualuor, 

 conrexiusndis, loiigitiidiiialiler siriatis, striis ad peri- 

 plieriai.i eruMsrrnlUjus ; iiperturd mtuHdato-fmilu- 

 nari, labro simplici, ti'ri'iissimo. 

 The smooth Hllix. SluU rather broadly umbilicated, 

 discoid, dcpnsscd, thin, dinphnnous, lirownish, flat 

 at the upper part, excavated about the umbdicug ; 

 whorls four, rntlier convex, longitudiimily striated, 

 striaj becoming faint at the peripheiy ; aiM:rturc ro- 

 tuudatcly semilunar, lip simple, ver)' thin. 



1853. 



