HELIX 



Plate LXXXIV. 



Species 449. (Mus. Cuming.) 



Helix conicoides. Hel. tedd imperforata, depresm- 

 conicd, te/iiii, fuscescente, vitred, mbtilissime striutd, 

 nitidd; spird pyramidali-elatd, suiuris tetiuinmrgiua- 

 tia ; aiifraclibits sepiem, ullimo aculisume carinato ; 

 aperlurd transverse rhomboided ; perislomate simplici, 

 acttio. 



The conoid Helix. Shell imperforated, depressly conic, 

 thin, light brown, glassy, very finely striated, sliin- 

 ing; spire pyramidally elevated, sutures finely ni;ii- 

 gined ; wliorls seven, the last very sharply keeled ; 

 aperture transversely rhomboid ; lip simple, sharp. 



Metcalfe, Pro. Zool. Soc. 1851. 



Hai. Borneo. 



A light brown glassy shell, with a peculiarly elevated 

 spire. 



Species 450. (Fig. a, b, Mus. Cuming.) 



Helix Xilagirica. Hel. testd lalmiini umbilicatd, de- 

 pressd, discoided, striatd, comeo-aUtidd, lined unica 

 ritfd supra peripheriam c'uictd ; spird planiiisculd ; aii- 

 fractibus quiiique, rotundalis, lenli accrescentibus, uUimo 

 antice abrupte dnjlexo ; umbilico anfractum penultimum 

 laie nwnslranle, medio angualo,percio ; aperlurd partd, 

 Iwrizontali, rolunduto-ovali ; periatonuite conliiiuo, albo, 

 efftiso, rejlexo, marginitms fere juncl'ui. 



Tile Neilgherry Helix. Shell ver\- broadly nmbili- 

 cated, depressed, discoid, striated, homy-white, en- 

 circled with a single red line at tin; periphery ; spire 

 rather flat ; whorls five, rounded, increasing slowly, 

 the last abruptly deflected in front ; umbilicus broadly 

 showing the penultimate whorl, narrow and open in 

 the middle; aperture small, horizontal, rotundateiy 

 oval ; lip continuous, white, effused, reflected, mar- 

 gins almost joined. 



Pfeiefek, Pro. Zool. Soc. 1845, p. 130. 



Hah. Neilgherry lIUls, Hindoostan. 



S. species in which the wliorls arc so widely convo- 

 luted, that the shell looks like that of a Serpula. 



Species 451. (Mus. Cuming.) 



Helix adusta. lid. tesld umbilicatd, globoso-discoided, 

 sub lenle minute punclulatd; spird concavo-planatd, 



suiuris impressit ; an/raclibus quiiigue, ultimo utpemi 

 declivi, antice desceudenle ; umbilico amplo, pernio ,- 

 aperlurd sublrigono-quadrata ; peritlomale rrftrzo, 

 marginibus couniventiius. 



The adust Helix. Shell umbilicatcd, glolwsoly discoid, 

 minutely punctured beneath the lens ; spire coneavcly 

 flattened, sutures impressed ; whorls five, the last 

 slanting round the upper part, descending in front ; 

 umbilicus large, open ; aperture somewhat triangu- 

 larly square ; lip reflected, margins approumating. 



Hinds, MoU. Voy. Sulphur, p. 55. pi. 19. f. 11. 



Hab. Port Carteret, New Ireland (among the fallen de- 

 caying leaves on the shore) ; Hinds. 



The spire of this shell has the appearance of being 

 pressed almost eoncavely inwards. 



Species 452. (Fig. a, b, Mus. Cuming.) 



Helix IIONESTa. Ilel. testa nix umbilicatd, orbirulald. ttr- 

 vigald, subcitred, nitidi castaned, tuturis pallidioribm . 

 anfractibus sex, plano-convexis, ullimo obsoUli obtuse 

 carinato ; aperlurd lunari ; perislomate simplici, nculo. 



The neat Helix. Shell scarcely umbilieated, orbicular, 

 smooth, somewhat glassy, shining chestnut, suture* 

 rather paler; whorls six, flatly convex, last whorl 

 obsoletely obtusely keeled; aperture lunar; lip sim- 

 ple, sharp. 



Gould (Mus. Cuming). 



Hab. Burmah. 



A shining, dark chestnut, glassy shell. 



Species 453. (^.Mus. Cuming.; 



Helix TroiLUS. Hel. t*std umbilicatd, suSdeprtua. ob- 

 lique teiuiistriatd, intense castaned, lineis pall id it dua- 

 bus, und infra una supra peripberia • 

 oblusd ; anfractibus quinque ad sex, 

 rotundalo eel obtuse carinato ; aperlurd lunato-tubctr- 

 culari ; perislomult simplici, subiHcraualo, wutryinibt 

 connitentibus. 



The Troilis Helix. Shell iinibilicnte<l, somewhat dr- 

 pressed, obliipiely finely striated, dark chcitnut, en- 

 circled with two pale liiie^t, one above the periphrrt 

 and one below il, obtuse nt the apex ; whorls five \>. 

 six, the last rounded or obtusely keclctl; apcrtun 



March, 1852. 



