HELIX.— Plate CLXIY. 



Jan, Mantissa, p. 2. 

 Ilab. tiieUy, Jan. 



The idciitiiicatioii witli tl\is species of the sliell, re- 

 presented ill tlie acconipanyiug plate, is not so satisfactory 

 as could be wished. 



Species lii95. (Mus. Cuming.) 



Helix pellijcuns. Ilel. testa umhilicata, conoideo-glo- 

 b<m1, /i-iii'i, obU'iue coiifertimme striata, diaphaim, 

 jiult'uU fuhesceule, lineis et fasciis saturalioribus sape 

 iiiteiriijjtis oniatd; spird conoided, aculiitsculd ; aii- 

 fruclibns sex, convex! nsciil is, ultimo anlice non desceii- 

 deiiie, bust ventroso ; aperlnrd lunato-circulari ; peri- 

 stomate aciiio, intiis sublabiato, margiue columellari 

 viembranaceo, breviler njlexo. 



The SLBTKANSPAiiExr HuLix. Shell umbilicated, co- 

 iioidly globose, thin, obliquely very closely striated, 

 diaphanous, pale fidvous, oraamcnted with darker 

 lines and bands, which arc often intcn-upted; spire 

 conoid, rather sliarp ; whorls six, rather convex, the 

 last not descending in fi'out, ventricose at the base ; 

 ajicrture lunar - circidar ; lip sharp, slightly edged 

 within, coluniellar margin membranaceous, shortly 

 rellected. 



Shuttle woiiTii (JMus. Cuming). 



Ilab. Corsica. 



A very prettily banded half-opake half-diaphauous shell. 



Species 1096. (Mus. Cumi)ig.) 



Helix bidkxs. Ilel. testa oblccte wiibilicald, turbinato- 

 tjlobosu, corned, pellticidi cingulatd, siiperiw eleganter 

 costulato-striald ; aiifraciibus septem, vix convexiuscii- 

 lis ; (iperturd ileprcxsd, t/mnuato-lunari ; perislomate 

 subreflexo, alio- wl nifo-labiato, basi intus bidentato, 

 exlus scrobictdato. 



The two-tootueu Hi;lix. Shell with a covered umbi- 

 licus, tuibinatcly globose, lioiny, transparently belted, 

 elegantly rib-like striated about the upper part ; 

 V iiorls seven, rather convex ; aperture depressed, 

 trisinuately liiiiw ; lip a little rcilccted, white or red- 

 edged, two-toothed at the base within, pitted \vith- 

 out. 



Trochus bidens, Cliemiiitz, Conch. Cab. vol. si. part 2. 

 p. .50. pi. 122. f. lor)2. 

 IMix bidentata, Gmcliii. 

 Uelix jigramitlea, Hartmann. 



Ilab. Germany, I'rance, Sweden. 



A characteristically two-tootlicd shell, with somewhat 

 of a Neritinu aspect. 



Species 10'J7. (Mus. Cuming.) 

 Uelix rYiiAMiDATA. Ilel. testa urbictd(d'i-pyrnmid>itn, 

 striatidd, ulbidd, uiiicolore tel varie fiisco-fusciidd ct 



varieyutd; tpird couicd, oblusd; anfraclibut lex, con- 

 vexit, ultimo basi plauiutcido, antici non detctndente ; 

 aperturd depressd, late lutiari ; perislomate recto, iutu» 

 labiato. 



The pyiUMiDAL Helix. Shell orbicularly pyramidal, 

 finely striated, whitish, of cue colour, or variously 

 brown-banded and variegated ; spire conical, obtuse ; 

 whorls six, convex, the last rather Hat at the base, 

 not descending in front ; aperture depressed, broadly 

 lunar; lip straight, edged witliin. 



DuAPAUNAUD, Hist. Moll. p. 80. pi. 5. f. 6. 



Ilab. Fraucc, Italy, Greece, tiicily. 



Of a somewhat depressed pyramidal form. 



Species 1098. (Mus. Cuming.) 



Helix Sybiaca. Ilel. testd obtecti utidiilicald, globoso- 

 depressu, grised, pellucitluld, plerutiique fasciis calca- 

 reis opacis oriiatu, paruui iiitidd, iniiiutissime nign- 

 losd; spird co)ive.viiiscidd ; aiifraciibus quingiie, pUmi- 

 vsculis, ultimo antice vix descendeiile ; aperturd lati 

 lunuri ; perislomate siibpatido, riifo, albo-labialo. 



The Syrian Helix. Shell with a covered umbilicus, 

 globosely depressed, grey, transparent, generally or- 

 namented with two opake chalk-like bauds, but little 

 shiniug, very minutely rugulose ; spu'c rather convex ; 

 whorls five, rather flat, the last a little descending in 

 front; aperture broadly lunar; lip rather patulate, 

 red, wliitc-cdged. 



EmiENBEUG, Symb. phys. moU. PfeifTer, Mouog. Helic. 

 viv. vol. i. p. 131. 

 IMix ongchiua, liossmiisler. 

 Helix gregaria, Ziegler. 



Hub. Syria, Egypt, Algeria. 



A semitransparent shell, encircled with two very ciia- 

 racteristic opake chalk-like bauds. 



Species 1099. (Mus. Cuming.) 



Helix ciliata. Ilel. testd uiMlkald, globoso-depressd, 

 cariiiald, coiiicd, opncd, sipiauiidis memhranaceis traus- 

 versiiii dispositis asperu, curind mer,ibraiiiiceo-cdiutd ; 

 aitfrartibiis qiialiwr ad ijiiiiitjiii; plaiiiMcuUs ; aperturd 

 Iniiato-ovali ; pt-risloinule rejlcxiiisrulo, fUaculo-SHblu- 

 biato. 



Tin; ciliated Helix. Shell umbilicited, glolrosely <lc- 

 jiresscd, keeled, horny, opake, rou^dicntd with nu-m- 

 branaeeous scales arranged tnuisversely, kcil nicui- 

 biane-ciliated ; whods four to five, rather flat; aper- 

 tine lunar-oval ; lip somewhat a'decte<l, brownish 

 sub-edired. 



Venetz, Studcr, Syst. Verz. p. S(i. 

 IfelLv Airsiita, Jan. 



J/ab. Switzerland and tiie TntoI. 



Ucadily distinguished by its ciliated surface and keel. 



