HELIX. 



Plate L.VXIX. 



Species 414. (Mus. Cuming.) 



Helix squalus. Uel. testa ampliter umbilicaid, glohosd, 

 lenui, corned, undiqiie miiiiitissinie scaird; anjraclibm 

 quinqtie, itllimo magno, veiifricoso ; aperturd inaijnd, 

 lunari; perMomate tenui, acuta, rejlexo, columellam 

 fere tegente. 



The dirty Helix. Shell largely urabilicated, globose, 

 tbiii, horny, very minutely scabrous throughout ; 

 whorls five, last whorl large, ventricose ; aperture 

 large, lunar ; lip thin, acute, reflected, almost cover- 

 ing the columella. 



Hinds, Voyage of the Sulphur, Moll. p. 55. pi. 19. f. 12. 



Hab. Port Carteret, New Ireland. 



Characterized throughout by a minute scabrous gra- 

 nular sculpture, a prominently effused lip, and an open 

 perspective umbilicus. 



Species 415. (Mus. Cuming.) 



Helix auoillacea. Hel. testd angmle umbilicatd, sub- 

 globosd, diaphand, conieo-rufoscente ; anfractibus qiia- 

 tuor ad quinque, conveximcttlk, ultimo injlato, antice 

 subitb deflexo; aperturd perobliqud, luiiafo-ovali ; peri- 

 slomate late expanso, breviter rejlexo, margiiiibus ap- 

 proximatU, columellari dilatato, umbUkum semUcgente. 



The clay Helix. Shell narrowly umbilieated, somewhat 

 globose, diaphanous, horny-red ; whorls four to five, 

 rather convex, the hist inflated, suddenly deflected in 

 front ; aperture very oblique, huiar-oval ; lip liroadiy 

 expanded, shortly reflected, margins approximated, 

 columellar margin dilated, half-coveriug the umbilicus. 



Ferussac, Hist. Moll. pi. 26. f. 1, 2. 



Hab. Island of Timor. 



This species, thougli diaphanous, is rather of firm struc- 

 ture. It is of an unilbrm reddish-clay colour. 



Species 416. (Mus. Cuming.) 



Helix Stranoei. Hel. testa late umbilicatd, depressd, 

 tenui, iiifenle, auperne confertim tenui-Hsimi- costulato- 

 striatd, olicaceo-corned, liiieis lubtUibun decussatd, iii- 

 /ertii Uevigald ; spird parum elevald, oblusd ; anfrac- 

 tibus quinque, convexiusculis, ultimo dectici, ba-ii ro- 

 tutidato; aperturd subobliqud, lunari-ovati; peristomate 

 timplici, tenui, margiiiibus conspicue connicentibus. 



Strange's Helix. Shell broadly urabilicated, depreaaed, 

 thin, shining, closely vrn,- finely rib-like striated at 

 the upper part, and decussated with fine lines, smooth 

 at the lower ; spire but little raised, obtuse ; whork 

 five, ratluT convex, tlic last slanting, rounded at the 

 base ; aperture very oblique, lunar-oval ; lip simple, 

 tliin, margins conspicuously approximating. 



Pfeiifer, Pro. Zool. Soc. 1848. p. irj9. 



Hab. Brisbane Water, New South Wales ; Strange. 



A thin shining olive-horny species, finely sculptured 

 above and smooth beneath, tvith a deep open umbilicus. 



Species 417. (Mus. Cuming.) 



IIklix coriaria. Hel. teatd subobtecti umbilicata, dt- 

 presso-globosd, nulidd, ruditer rugosd el nublilijuimi 

 granulatd, Itele castuned ; spird late coiioidrd, apirc 

 oblusd; anfractibus quinque, convexiusculis, ultimo 

 antice subde/lexu ; aperturd rotundatu-lunari ,- prritio- 

 mate recto, obtuso, marginibiis dittanliiun, columellari 

 declivi, incrassuto-rejlexo, supenie in laminam trian- 

 gularem, umbilicum fere occullantem dilatato. 



The tanned Helix. Shell with a nearly covered uuilu- 

 licns, deprcssly globose, solid, riulely rough and very 

 finely granulated, light chestnut ; spire broadly co- 

 noid, obtuse at the apex; whorls five, rather convex, 

 the last sligfitly deflected in front ; aperture rotun- 

 dately lunar; lip straight, obtuse, margins distant, <x>- 

 lumellar margin slanting, thickly reflected, dilated into 

 a triangular lamina, almost covering the umbiiicn^. 



Pfeifff.r, Zeitschrifl IVir Malac. 1S47- p. 145. 



Hab. Ceylon? 



A somewhat rough light chestnut speen-s, riM'niiiliiii: 



//. argil/area in form. 



Species 418. (Mus. Cuming.) 

 Helix Poiretiana. Hel. testa rix umbilicata, romtfbrmi, 

 obli'fiie lenuistriald, albidd, fuscesrenlf pallidi lincla , 

 npird elevald, apice subpapillari ; anfrarliiu* fplrm. 

 ptano-coiirexis, ultimo ad peripheriam oblusf aMgulalo, 

 fasrid fiurd interruptd obscure ciitgitUild ; aperturd 

 parciunculii, subi/undrald : '"'"' 



paululum uicraunlo, mnrg: "■ '■'- 



lumellari late tenuf rrfiexo et dilatato, umbiitcum 

 omnino tegente. 



.March, 1852. 



