HELIX.— Plate CLXXXYI. 



biruldri, cornea, subpellucidd, nitidisnimi oUtaced, ar- 

 cuatim iiiiiiuti slriatd ; npird miMcpresad, tuturd dU- 

 tinctd ; anfraclibiu quatuor ad quinque, rolundalU ; 

 apertura oblique liinalo-circuliiri, lahro timpliri. 



The very polished Helix. Shell scarcely umbilicatcd, 

 dcpressly orbicular, horny, subtraiisparcnt, very shin- 

 ing olive, arcimtely minutely striated ; spire subde- 

 prcssed, suture distinct ; whorls four to five, rounded ; 

 aperture obliquely lunar-circular, lip simple. 



rrEiFFEK, Pro. Zool. Soc. 1854. 



/lab. Ceylon ; Thwaites. 

 Of a very polished olive-homy texture, like a FUriiia. 



Species 1293. QAms. Cuming.) 

 Helix scepasma. JM. lesld amp! Her H profundi umbi- 

 Ucatd, depresso-orbiciilari, crammculd, subpellucido- 

 albd, tindiqiie teniii corruyato-slriatd ; spird depresw- 

 conoided ; aii/ractibm seplei/i, rapidi accresctulibui, 

 ultimo ad peripheriam carinalo ; apertura mbcirculari, 

 leviter seeuriformi, labro late reflexo. 

 The veil Helix. Shell largely and deeply umbilicatcd, 

 dcpressly orbicular, rather thick, subtransparent white, 

 everj-wherc finely wTiukle-striated ; spire dcpressly 

 conoid ; whorls seven, increasing rapidly, the last 

 keeled at the periphen.- ; aperture nearly circular, 

 slightly hatchet-shaped, lip broadly reficcted. 

 Pfeiffer, Pro. Zool. Soc. 1854. 



JInb. ? 



A white alabaster-like species, peculiarly finely wrinkle- 

 striated throughout. 



Species 1294. (Mus. Cuming.) 

 Helix novella. lid. testa vLc umiilicatd, depreuo-or- 

 biculari, tetiuiculd, olitaceo-corned, leviter plicato- 

 utriatd; spird declivi-conrexd, suturd subindistinctd ; 

 anfractibus quinque, planiusculis, ultimo ad periphe- 

 riam carinato ; aperturd Iransveraim lunari, labro sim- 

 plici, ad Hiiiiiliciim subre/lexo. 

 The tender Helix. Shell scarcely umbilicatcd, dc- 

 pressly orbicular, rather thin, olive-horny, faintly 

 plicatcly striated ; spire slantingly convex, suture 

 rather indistinct ; whorls five, rather flat, the last 

 keeled at the periphery ; trnnsvcrsely lunar, lip simple, 

 slightly reflected at the umbilicus. 



Pfeiffer, Pro. Zool. Soc. 1854. 

 JlaS. Ceylon ; Thwaites. 



Of a sbnting-conoid depressed form, with a minute 

 umbilicus. 



Species 1295. (Mus. Cuming.) 



Helix lampra. Jlel. teild suipro/ntuie tmiilicai^, orbi- 

 culari, triiuinild, corned, polili-uimd, supra mfo-cat- 

 ianed, subtiliter arcuatim coslellato-slriatd, infra ri- 

 reseente, l/nigatd ; spird parriusruld, depreiad ; an- 

 fractibus quatuor, conrexis ; apertura lunari-rotmi- 

 datd, subampld, labro simplici. 



The glittering Helix. Shell rather deeply umbili- 

 catcd, orbicular, rather thin, homy, vcrj' polished, 

 above reddish-chestnut, finely arcuately rib-like stri- 

 ated, below greenish and smooth ; spire rather small ; 

 whorls four, convex ; aperture lunar-rouuded, rather 

 large, lip sim|)lc. 



Pfeiffer, Pro. Zool. Soc. 1854. 



Uab. Launccston, Van Dicmcn's Land ; R. C. Gunn. 



A very shining firm horny shell, finely rib-hkc striatctl 

 about the upper part, smooth beneath ; collected by Mr. 

 Ronald C. Guun, F.R.S. 



Species 1296. (Mus. Cuming.) 



Helix STRONGYLODES. Hel. testd latissime perspectiri 

 umbilicatd, depresso-orbiculari, alba, rufo-fusco stri- 

 gatd et maculatd, undique oblique costellatd ; spira 

 suturd multu impressd; anfractibus sex, plano-rotun- 

 datit, ultimo antici descendentf ; aperturd circulari, 

 parriusculd, labro simplici, marffinibus approximatis. 



The kound Helix. Shell \qts broadly pcrs|x:clivcly 

 umbilicatcd, dcpressly orbicular, white, streaked and 

 spotted with red-bro\n), obliijuely finely ribbeil 

 throughout ; suture of the spire much impressed ; 

 whorls six, flatly rounded, the last descending in 

 front ; aperture circular, rather small, lip simple, 

 margins approximating. 



Pfeiffer, Pro. Zool. Soc. 1854. 



Ilah. Texas. 



A shell of somewhat discoid growth, Hith a pccnliariy 

 imprcssly sutured spire, obliquely finely ribbed, white, 

 streaked and spotted with red-brown. 



