HELIX. 



Plate CX. 



Species G17. (Mus. Cuming.) 



Helix spieulata. Hel. testa imperforatd, depressd, len- 

 liculari, sudiilmime striata, lineis elevatis concentrkk 

 utrinque notatd, (enui, fidvd, carinaid, carind coni- 

 pressd, auiexserid ; sjrird parum elevatd ; anfraclibm 

 quinr/ue, lente accrescentibus, supra carinam convexius- 

 culis, ultimo iasi vix convexo, medio impresso ; aper- 

 turd depressd, subrhomboided ; perislontate simplici, 

 acuto. 



The s!*iruled Helix. Shell imperforated, depressed, 

 lenticular, very finely striated, marked on both sides 

 with raised concentric lines, thin, fulvous, keeled, 

 keel compressed, a little exserted ; spire but little 

 raised ; whorls five, increasing slowly, rather convex 

 above the keel, last whorl sliirhtly convex at the base, 

 impressed in the middle ; aperture depressed, sub- 

 rhomboid ; lip simple, sharp. 



I'FEIFFEH, Pro. Zool. Soc. 1845, p. 129. 



Hab. ileal Llejos, Central America (on the bark of trees) ; 

 Cuming. 



A light reddish-fulvous shell, characterized above and 

 beneath by concentric circles of raised lines. 



Species 618. (Mus. Cuming.) 



Helix radians. Hel. testa imperforatd, depressd, tenui, 

 vivide corned, translucidd ; anfraclibus quatuor, l<evi- 

 bus, plaiw-coiivexis, ad siiliiram subtilissime margi- 

 natis, ultimo obtuse carinaio ; aperluru lunari ; labro 

 siniplici, acuto. 



The glittering Helix. Shell imperforated, depressed, 

 thin, bright horny, transparent ; whorls four, smooth, 

 flatly convex, very finely margined at the suture, last 

 whorl obtusely keeled ; aperture lunar ; lip simple, 

 sharp. 



Pfeikfer, Pro. Zool. Soc. 1851. 



Ilnb. Tahiti. 



An extremely transparent bright homy species of sim- 

 ple character. 



Species 619. (JIus. Cuming.) 



Helix quadkata. Hel. testa umbilicald, depressd, sub 

 lente coii/erlissiiiii striata, leiiui, diaphand, stramined, 

 rtifo-Jlammulatd et fasciatd ; spird depressd; aii/rac- 



June, 



Mus quinque, concexiusculis, celeriter accrescetilibua ; 

 umbilico majtucuh, perspectico ; aperturd luiiato- 

 otali ; peristomute simplici, acuto, marginibtu conm- 

 ventibus, columellari subdilatato. 



The quadrate Helix. Shell urabilicatcd, depressed, 

 very closely striated beneath the lens, thin, diapha- 

 nous, straw-coloured, red-flamed and liandcil ; -spire 

 dcjiressed ; whorls five, rather convex, increasing 

 rapidly ; umbilicus rather large, perspective ; aper- 

 ture lunar-oval ; lip simple, sharp, margins approxi- 

 mating, coluraellar margin slightly dilated. 



Fercssac, Hist. Moll. (Deshayes' edit.) p. 20. pi. ti'J C. 

 f. 11, 12. 

 Helix Kiiiiji, Pf'eifi'er. 



Hab. Juan Fernandez ; Cuming. 



A small Cyclostotm-WVe. shell encircled with a red band, 

 above which the shell is painted wth red flames. 



Species 620. (Mus. Cuming.) 



Helix chrysomela. Hel. testd imperforatd, depresso-glo- 

 bosd, rugoso-vialleatd, alba ; aiifractiius quinque, pla- 

 niusculis, ultimo subangulato, basi platijusculo, anlier 

 breviter dejlexo ; aperturd perobliqud. Iruncato-otali : 

 peristomale simplici, obtuse, intus aurantio-limbalo, 

 viarginibus callo auraiitio, nitido, introrium diffuso 

 juHclis, basali dilatato, planulalo. 



TuE golden-lipped Helix. Shell imperforated, ilc- 

 pressly globose, rougldy indenleil, white ; whorls live, 

 rather flat, the last slightly angled, rather thit at the 

 base, shortly deflected in front ; aperture ver>- oblicpie, 

 truiicately oval ; lip simple, obtuse, edgid inwp.rdly 

 with orange, margins joined by a shining orange cal- 

 losity which is diffused inwardly, basal margin dilatc<l, 

 rather flat. 



Pfeiffek, Symboloc, vol. iii. p. 72. 



Hab. Brazil. 



An ojiake white indented shell, with a bright oraugc- 



red mouth, very much resembling a Heliciita. 



Species 621. (Fig. a, 4, Mus. Cuming.) 

 Helix Giayaqlilensis. Hel. Utld lali umbUicatd, lui- 

 divoided, pallide corned, oblique crebri striata ; spird 

 depressd; anfractibus sex, rotundalit ; aperturd luaa- 

 lo-circulari ; labro simplici, acuto. 



1852. 



