HELIX. 



Plate CLVI. 



Species 1019. (Mus. Cuming.) 



Helix conomphala. Hel. tetta subamplUer peripeclice 

 umbilicatd, plano-orhicidari, lenticiilari, teiiui, aciilU- 

 sime carinald, peUucido-fmceicente,faiicid aiitjustd cat- 

 tatted supra et infra cingulald ; anfracli/jiis quatuor, 

 pkmulatU ; aperlurd securiformi ; periiloinate tenui, 

 umplici. 



The coNE-UMiiiLiCATEi) Helix. SlifU rather largely per- 

 spcctivcly uinbilicatcd, tiatly orl)icular, Icus-shaped, 

 thin, very sharply keeled, light transparent-brownish, 

 encircled above and below with a narrow chestnut 

 band ; whorls fonr, tlattcned ; a])erture hatchet-shaped ; 

 lip thin, simple. 



Pfeiffer, Pro. Zool. Soc. 18.53. 



Ilai. Philippine Islands. 



A thin subtransparent sharply keeled lens-shaped shell, 

 encircled above and below with a characteristic narrow 

 chestnut band. 



Species 1020. (Mus. Dennison.) 



Helix Dennisoni. Hel. lestd iviperforald, globoid, so- 

 lidimculd, oblirjiii rugoso-driatd, opaco-albd, Ibieis 

 fiiscis el nigris oblique conspicue slrigatd ; spird snb- 

 obtusd, sulurd impreasd; anfraclibus quinque, mbro- 

 tundalis ; aperlurd ocalo-lunari, parviusculd ; peristo- 

 mate tenui, mbrejlexo, margine coluniellari peculiariter 

 late slricliusculo et dilatato-appresio, fauce intent: 

 caslaned. 



Dennison's Helix. Shell imperforated, globose, rather 

 solid, obliquely roughly striated, opakc-wliitc, con- 

 spicuously obliquely streaked with black and brown 

 lines ; spire rather obtuse, with the suture impressed ; 

 whorls five, somewhat rounded; aperture ovately 

 lunar, rather small ; lip thin, a little refkcted, colu- 

 mellar margin peculiarly drawn out and dilately ap- 

 pressed, interior deep chestnut. 



Pfeiffeu, Pro. Zool. Soc. lSo3. 



Hab. Cuba. 



A very striking species, owing mainly to its peculiarity 



of painting. 



bold, iolidd, latigald, Jlaoetcenle, ru/etcaile pallid^ 

 fawiatd ; >pird obluai coiive-zd ; anfractiius kx, nub- 

 ungu»(u, ultimo obtuse carinato ; aperlurd rolundato- 

 lunari ; periitomafe refleio, subexpanto, calloto, vicide 

 purpurancente-canieo. 



The Ceiies Helix. Shell with a nearly covered umbi- 

 licus, subglobose, solid, smooth, yellowish, encircled 

 with faint reddish bands ; spire obtusely convex ; 

 whorls six, rather narrow, the last obtusely keeled ; 

 aperture rotundately lunar; lip reflected, somewhat 

 expanded, callous, bright purplish-llcsh. 



Pfeiffeb, Pro. Zool. Soc. 1853. 



Ilai. Philippine Islands. 



A solid obtusely globose species, partaking somewhat 

 of the well-known Jamaica type. 



Species 1021. (Mus. Cuming.) 

 Helix Ceres. Eel. testa subobtecie umbilicatd, subglo- 



May, 



Species 1022. (Mus. Cuming.) 



Helix EXCELLENS. Ilel. testa obtecti umbilicatd, de- 

 presso-pyramidali, cramutaild, Miqui tenuistime 

 striata, ititense fumeo-castaued ; anfraclibut sex, eoH- 

 cavo-planatis, ultimo carinato, basi contezo-plano ; 

 aperlurd Iroiisverse oblongd, subhorhontali ; perisio- 

 mate incrassa/o, margiiiibus lira callosd junctis, ntpra 

 umbilicum late appressd. 



The excellent Helix. Shell with a covered umbilicus, 

 depressly pyramidal, rather thick, obliquely very 

 finely striated, very dark smoky-chestnut ; whorls 

 six, concavely flattened, last whorl keeled, convcxly 

 flat at the base ; aperture transversely oblong, nearly 

 horizontal ; lip thickened, manrins joined by a callous 

 ridge which is broadly appressed over the umbilicus. 



Pfeiffeb, Zeitschrift fur Malac. Is52. 



Hab. St. Domingo, Salle. 



This is little distingiiishcd from the old Linna>an Ilelur 



carocolla, except in being more depressly sunk and spa-ad 



into a flattened pyramid. 



Species 1023. (Mus. Cuming.) 



Helix descdata. Ilel. lestd ' " ''. ' ' ' ■'ff- 

 pressd, nudd, lutesceHte,fiuc'' "* 



quinque ad sex, cOHrexiusculis, uttuM anttci subito de- 

 fiexo ; aperlurd prrobliqud, rotuMdatd ; peristomate 

 coiUinuo, solute, rejiexo, margine basalt tali appreuo, 

 oblongo-dentato. 



1853. 



