HELIX.— Plate CLXXXYII. 



Species 1302. (Mus. Cuming.) 



Helix scbopaca. Uel. Iesl4 cLr umbUicata, orbiculari, 

 opaco-luiesceiite, tiiletite, umiique arcuatini coftato- 

 slriaid, infra politutimd ; spirce lulurd subcaiialicu- 

 lata ; anfraclibia itx, coHcexis; aperturd obliqui lu- 

 Hari, labro limplici. 



The scbopake Helix. Shell scarcely umbilicated, or- 

 bicular, opake-yellow, shiuiiig, arcuately rib-striated 

 throughout, vepi' polished beneath ; suture of the 

 spire slightly chaouellcJ ; whorls six, convex ; aper- 



' ture obliquely lunar, lip simple. 



Hab. Ceylon; Thwaitcs. 



.\ very shining opake-yellow shell, strongly rib-striated 

 throughout. 



Species 1303. (Mus. Cuming.) 



Helix Natigatorum. Ilel. teatd subampliter profundi 

 umbilicatd, depresso-orbiciilari, Unticulari, irrer/ulari- 

 ler plicalostriald, castaiieo-fmcd, nilnilt ; spird ob- 

 liud; an/ractibiu qiiinquf, plaiw-declwibiii, ad sulu- 

 raa Jilo-nmrginatU, ultimo ad peripheriaiii Jilo-cari- 

 nato ; aperturd subsecuri/ormi, labro siinplici. 



The Navigatoks' Helix. Shell rather largely deeply 

 umbilicated, depressly orbiculiu-, lens-shaped, irregu- 

 larly plicately striated, shining chestnut-brown ; spire 

 obtuse ; whorls five, flatly slanting, thread-margined 

 at the sutures, last whorl thread-keeled at the peri- 

 phery ; aperture subhatchct-shapcd, lip simple. 



Pfeiffer, Pro. Zool. Soc. 1854. 



Hab. Navigators' Islands. 



Chiefly distinguished by a thread-like keel, which leaves 

 an edge on the whorb of the spire immediately below the 

 suture. 



Species 1304. (Mus. Cuming.) 



Helix mansueta. Ilel. teitd tubprofunde umbilicala, 

 orbiculari, lumidiunculd, riifeseeiile-fiilcd, sub lente 

 minutisnime granulatd, obsolete plicaio-striatd ; spird 

 obliud; anfraclibus quinque ad tex, plano-concexis, 

 ultimo obtme cariiialo, circa umbilicum pallidi faa- 

 ciatd ; aperturd aubquadrato-lunari, labro reflexo, ex- 

 panto. 



The mild Helix. Shell rather deeply umbilicated, or- 

 bicular, rather swollen, reddish-fulvous, beneath the 

 lens vcrj- minutely granulated, obsolcloly plicatelv 

 striated ; spire obtuse ; whorls five to >ix, flatly con- 

 vex, the last obtusely keeled, faintly bnuded round 

 the umbilicus; aiK^rture somewhat squarely lunar, lip 

 reflected, expandtxl. 



Pkeiffek, Pro. Zool. Soc. 1854. 



J/tib. ilorcton Bay ; Strange. 



A fulvous ruddy-tinged species, with a rather broadly 

 reflected lip, very minutely granuhite<l throughout. 



Species 1305. (Mus. Cuming.) 



Helix Keppelli. Uel. Uttd imperforatd, dfpre$io-crbi- 

 culari, ienui, pellucido-conied, tiridetcenU, nitrnte ; 

 anfractibui quinque, conrexiusculi*, obiolfti itriatit, 

 ultimo obtuse carinato ; aperturd lad lunari, lairo 

 simplici. 



Kjeppel's Helix. Shell imperforated, depressly orbicu- 

 lar, thin, transparent horny, greenish, shining ; whorls 

 five, rather convex, obsoletcly striated, last whorl ob- 

 tusely keeled ; aperture broadly lunar, lip simple. 



Pfeiffeh, Pro. Zool. Soc. 1854. 



Ilab. Island of St. Christoval, Solomon's Group ; Hon. 

 Capt. Kcppell. 



A very thin transparent highly polished greemsh-homv 

 shcU. 



Species 1306. (Mus. Cuming.) 



Helix CRXVLa. Uel. teitd rix umbilieatd, Holicoided, 

 injlatd, tenui, comto-cuticulari, oblique corrugatd, ni- 

 ffro-olicaced ; spird pared ; anfrarlibus tribus, com- 

 vexis, ultimo perinfato ; aperturd quadralo-lumtri, 

 labro paululum reflexo. 



The little pitcher Helix. Shell scarcely umbilica- 

 ted, nnticoid, inflated, thin, homy -cut ieular, obliquely 

 wrinkled, blackish-olivc ; spire small ; whorls three, 

 convex, the last much inflated ; aperture squorcly 

 lunar, lip n little reflected. 



Pfeiffer, Pro. Zool. Soc. 1854. 



Ilab. New Zealand. 



An inflated A'a/ifo-shaped species, of a peculiar dark 

 olive-homy texture, cuticular and wrinkled. 



