HELIX.— Plate CXCV. 



Species 1372. (Mas. Cuming.) 



Helix Yokkensis. Hel. testa minute umiilicala, orhi- 

 culari-depreata, pelliicido-corned, olicaced, obsolete 

 ttriata, nitenle ; spirS c<yntiexd,l<ecujatd; anfractibus 

 quinque, pUino-decHtibm, ad perlpheriam obtuse cari- 

 tiatis ; aperturd oblique lunari, labro siiiiplici. 



The York Helix. Shell minutely umbilicated, orbicu- 

 larly depressed, truusparcut liomy, olive, obsoletely 

 striated, shining ; spirt convex, smooth ; whorls live, 

 flatly slanting, obtusely keeled at the periphery ; aper- 

 ture obliquely lunar, lip simple. 



Pfeifkek, Pro. Zool. Soc. lS5-t. 



Uai. Cape York, North Australia. 



A simple homy species, with a smootlily convex spire, 



faintly keeled at the periphery. 



Species 1373. (Mus. Cuming.) 



Helix Malaccanus. Eel. testa anguste umbilicatdy de- 

 presso'orbiculari, subpellucido-comed, saturate olica- 

 ced, ItBcigata, politd ; »pird convexo-planatd, stiturd 

 ienuissime marginatd ; anfractibus quinque, supenie 

 planulatis, deinde convexis ; aperturd oblique lunari, 

 labro timplici. 



The Malacca Helix. Shell narrowly umbilicated, de- 

 pressly orbicular, subtransparent-lioniy, dark olive, 

 smooth, polished ; spire convexly flattened, suture 

 finely margined ; whorls five, flattened at the upper 

 part, convex ; aperture obli<iuely lunar, lip simple. 



Pfeiffer, Pro. Zool. Soc. 1854. 



Hab. Province of Queda, Malacca; Captain Adolphc Martin. 



Of a hard, polished, Fi7;7'na-like substance. 



Species 1374. (Mus. Cuming.) 



Helix carneola. Hel. testd minute umbilicatd, depresso- 

 orbiculari, carneolo-corned,pellucitJd, lacigatd, politd; 

 spird leviler convexd, sutnrd subimpressd ; anfractibus 

 quinque, superni planulalis, deinde rotunMis ; aper- 

 turd oblique lunari, labro simplici. 



The carnelian Helix. Shell minutely umbilicated, 

 depressly orbicuhtf, carnclian-horiiy, transparent, 

 smooth, polished ; spire slightly convex, the suture 

 rather impressed ; whorls five, flattened at the upper 



part, then rounded ; aperture obliquely lunar, lip 



simple. 

 Pfeiffer, Pro. Zool. Soc. 1854. 

 Hab. Ceylon ; Thwaitcs. 



A shell of vcrj' simple character, but the homy sub- 

 stance of wliich it is composed has a peculiar caraeliuu 

 tint. 



Species 1375. (Mus. Cuming.) 



Helix villaris. Jlel. testa minute umbilicatd, orbieu- 

 lari, pallide virescente-conifd, diaphaiid, lavigatd, 

 politd ; spird plano-conrexd, miturd suitilissiine mar- 

 ffinatd ; anfractibus quinque ; aperturd oblique lunari, 

 labro simplici. 



The village Helix. Shell minutely umbilicated, orbi- 

 cular, pale greenish-homy, diaphanous, smooth, po- 

 lished ; spire flatly convex, suture verj' finely mar- 

 gined ; whorls five ; aperture obliquely lunar, lip 

 simple. 



Pfeiffeu, Pro. Zool. Soc. 1S54. 



Ilab. Lizard Island, North Australia. 



A very delicate pale-green horny species, minutely um- 

 bilicated, with the suture of the spire very finely margined. 



Species 1376. (Mus. Cuming.) 



Helix Bactriana. Hel. testd anguste profundi umbi- 

 licatd, orbiculari, subobsoleti plicato-striatd, sordidi 

 corned, cinereo oblique strigatd, juxta tuturam et ad 

 peripheriam albidd; anfractibus quinque, rotundatis .- 

 aperturd circulari, labro simplici, ad columellatit sub- 

 rejlexo. 



The Bactriax Helix. Shell narrowly deeply umbili- 

 cated, orbicular, somewhat obsoletely plicately stri- 

 ated, diUl horny, obliquely streaked with ash, whitish 

 next the suture and at the periphery ; whorls five, 

 rounded; aperture circular, lip simple, a little re- 

 flected at the columella. 



IIcTTON, .lourn. Asiatic Soc. 1849. 



Uab. Candahar. 



A pale, somewhat opake shell, obliquely marked with 

 ash streaks, which are interrupted in the middle by a faint 

 light zone. 



