IIELLX.— Plate \IV. 



anfractibua tex, tix conreiiiucuVu, ultimo hasi subpla- 

 nulato,antici deflexo ; aperlura peroblitjud, lunato-orali, 

 intu» albd; peristomaU lati expanio, reJUxo, tuar- 

 ginUiM callo albo juncOt, columellari perdilatalo, ap- 

 preuo, denU lalo mumlo. 



The bboad-toothed Helix. Shell imperforated, de- 

 prcssly turbinated, very minutely granularly striated, 

 whiti', oruanientfd with whitc-spcekJud brown bands ; 

 spire raised, rather obtuse ; whorls six, but little 

 convex, last whorl rather flattened at the base, de- 

 flected nnti-riorly ; aperture very oblique, lunar-oval, 

 white within ; lip broadly expanded, reflected, mar- 

 gins joined by a white callosity, columcUar cd^c 

 much dilated, appressed, furiushed with a broad tooth. 



I'KKIFFEK, Pro. Zool. Soc. 1845, p. 132. 



Uab. ? 



The main pccxdiaritics of this species consist in the broad 

 appressed tooth ajjainst the eolumelliu- edge of the lip, and 

 in the white dots with which the Ught-brown bands are 

 promiscuously speckled. 



Species 54. (Fig. a, b, J[us. Cuming.) 



Helix columbaria. Ilel. tettd umbiUcata, depressd, ob- 

 lique mblililer ttriatd, slraminen, brunneo varii zonatd, 

 maculit mlphureo-albidis leMellalis ad mturam el 

 basin tariegald ; spird parum elald ; anjraclibus quin- 

 que, coucexis, ultimo juxta aperturam valdi cuMtricto ; 

 umbilico anguilo,pervio ; aperlura aubauriformi ; peri- 

 slomate cameo, viarginibu) junctia, aupero expa/uo, 

 baaali rejltio, obsoldi unidmtato. 



The pigeon-holed Helix. Shell umbilicatcd, de- 

 pressed, obli(|uely finely striated, sf raw-coloured, 

 variously zoned with brown, tessellated beneath the 

 sutures and variegated beneath the base with sulphur- 



H liite blotclics ; spire but little raised ; whorls five, 

 convex, the last much constricted next the aperture ; 

 umbilicus narrow, conspicuously open ; aperture 

 somewhat ear-shaped ; lip flesh-tinted, margins joined, 

 upper edge expanded, basal edge reflected, obsoletcly 

 one-toothed. 



SowEUBY, Pro. Zool. Soc. 1841, p. 19. 



Ilab. Island of Luzon, Philippines ; Cuming. 



This beautiful species is very singularly marked. The 

 shell is of a duU straw-colour, encircled with reddish- 

 chestnut bands which are verj' conspicuously tessellated 

 and variegated with opake sulphur-white epidermis. 



Species 55. (Fig. a, b, Mus. Cuming.) 



Helix phloides. ffet. leald imper/orald,depresad,aolidd, 

 aub epidermide corticind, atrigia aaturalioribiia varie- 

 gald, tiitide nigricanti-nifd ; apird aubplamdaid, au- 

 lurd profunda; anfractibua qualuor ad quinque, con- 

 vexia ; columella aubrectd, perobliqud, subexcavald ; 

 aperturd lati lunari, intua lividd ; periatomate incraa- 

 aalo, reflexo, fuaco. 



The bark-clad Helix. Shell imperforated, depressed, 

 solid, shining blacldsh-red beneath a bark-like epi- 

 dermis, whicli is variegated with darker streaks ; spire 

 rather flattened, suture deep ; whorls four to five, 

 convex; columella rather straight, very oblique, 

 slightly excavated ; aperture broadly lunar, livid in 

 the interior ; lip thickened, reflected, browni. 



Pfeiffer, Pro. Zool. Soc. 1842, p. 151. 



Hab. Island of Zebu, Philippines ; Cuming. 



A stout, very dark purple, lenticular shell, covered with a 

 thick brown epidermis, variegated with numerous concen- 

 tric streaks. 



