HELIX. 



Plate CLV. 



Species 1013. (Mus. Cuming.) 



Hei-ix Owenii. Ilel. testa angusti et profundi timbili- 

 catd, suidepresso-ort/ictitari, superne arciiatim corrii- 

 gatd et gramdatd, aureo-fuscescente, infra la-cigatd, po- 

 litd el subt'diter malleatd, vireacenle, infra perip/ieriam 

 fimco-fasciald ; anfractiiiis quatuor, ultimo carinato ; 

 aperlurd oblique uvatd ; peridomate simplici, aiibin- 

 crasaato, murgine columellari breviter revoluto. 



Owen's Helix. Shell narrowly and (lcei)l_v iimbilicatcd, 

 somewhat deprcssly orbicular, arcuately wrinkled, 

 granulated and golden- brown at the upper part, 

 polished, finely indented and greenish at the lower, 

 with a brown band beneath the periphery ; whorls 

 four, the last keeled ; aperture obliquely ovate ; lip 

 simple, rather thickened, columellar margin shortly 

 rolled back. 



Pfeiffer, Pro. Zool. Soc. 1853. 



Uab. Pliilippine Islands. 



A bright subtransparent shell, granulated and obliquely 

 arch-wrinkled above, and smooth below. 



Species lOll. (Mus. Dcnnison.) 



Helix Madagascakiensis. llel. testa subampliter um- 

 bilicatd, oblique orbiculari, depressd, tenuiter striatd, 

 subpellucido-albd, castaneo bifamatd ; spird breci, ob- 

 tusd; anfraclibm iribm ad quatuor, plano-concexis ; 

 aperturd traiiaveriie ovali ; peristomate breviter refiexo, 

 viarginibus fere juudk. 



The Madagascar Helix. Shell rather largely umbili- 

 catcd, obliquely orbicular, depressed, finely striated, 

 subtransparent white, with two chestnut bands; spire 

 short, obtuse ; whorls three to four, flatly convex ; 

 aperture transversely oval ; lip shortly reflected, mar- 

 gins almost joined. 



Lamauck, Anim. sans vert. (Deshayes' edit.) vol. viii. 

 p. 44. 



Hab. ^Madagascar. 



Closely resembling //. sepulchralis, but of thinner and 

 more transparent substance. 



Species 1015. (Mus. Cuming.) 



Helix jiaxima. Hel. tentd angusti subobtecti umidicatd, 

 orbiculari-coiwexd, superiiifuacescetde, lineii fasciisque 



JIavidis prope peripheriam tubirregulariler cingulata, 

 infra caitaned ; spird subdepressd, tuturd verms aper- 

 turam impressd ; nnfractibui tex, concexit, ultimo me- 

 dio carinatd ; aperturd oblique ovatd ; periatomalr 

 simplici, incratsato. 



The veky lauge Helix. Shell narrowly aud rather 

 deeply umbilicated, orbicularly convex, brownish 

 about the upper part, somewhat irregularly encircled 

 near the periphery with yellowish bauds and lines, 

 chestnut beneath ; spire rather depressed, suture 

 impressed towards the aperture ; whorls six, convex, 

 the last keeled round the middle ; aperture obliqueh 

 ovate ; lip simple, thickened. 



Pfeiffer, Pro. Zool. Soc. 1853. 



Uab. Philippines. 



Very closely allied to II. ocum, from which species it 

 diflers in being of a rounder form, with the spire more 

 depressed, aud composed of a whorl more. 



Species 1016. (Mus. Cuming.) 



Helix Lais. IM. testa imperftratd, subglobosd, leimi- 

 add, tirescenie-albd, fascia ricidi castaiied ad periphe- 

 riam cingulatd ; spird suboblusd ; anfractibus quatuor, 

 piano -convexis ; aperturd late luuari ; peristomate 

 tenni, rejkxo, margine columellari late dHatato-ap- 

 presio, siibincrassato, albo. 



The Lais Helix. Shell imperforated, subgloboso, rather 

 thin, greenish-white, encircled at the pcriphen- with 

 a rich chestnut band ; spire rntlier obtuse ; whorU 

 four, flatly convex ; aperture broadly lunar ; lip thin, 

 reflected, columellar margin broadly dilately ap- 

 pressed, rather thickened, white. 



Pfeiffer, Pro. Zool. Soc. 1853. 



Uab. Philippines. 



Allied to //. intorta. An extremely chaste and delicate 



species, named in honour of a Sicilian courtwjiu ! 



Species 1017. (Mus. Cuming.) 



Helix I.LCTUOSA. IM. testa aHgusle umiilicald, obliqui 

 orbiculari, coiicexo-depressd, oblique denti impreuo- 

 striatd, plus minus politd, superne limdo-futceictnle. 

 infra alba, fasciis duabus alba it caslaned ad periphe- 

 riam cingulatd, ared umbdieali caitaited ; anfractibui 



May, 1S53. 



