HELIX. 



Plate LXXXVIII. 



Species 474. (Mus. Cuming.) 



Helix n emorensis. Hel. testa vix umbilicatd, orbiculato- 

 conica, soUdd, nitidd, alia aufjlaveicente,fascik cinereo- 

 fuscescentibHS circumdald ; aiifractibus sex, vix convex- 

 iuscidis ; aperturd Immto-rotundatd ; peristomate sim- 

 plici, acuto, margine basali inlrorsum incrassalo, ad co- 

 luiiii'llam rejlexiusculo. 



The grove Helix. Shell scarcely umbilicated, orbicu- 

 larly conic, solid, shining, white or yellowish, sur- 

 rounded with ash-brown bands ; whorls sL\, but little 

 convex ; aperture lunar-rouudcd ; lip simple, acute, 

 basal margin thickened inwardly, slightly reflected at 

 the columella. 



MuLLER, Verm. Hist. terr. et fluv. in ind. 

 Nanina nemorensis. Gray. 



Hab. Molucca Islands and New Ireland ; Hinds. 



The bands have a rusty-brown character towards the 

 apex ; towards the last whorl they arc ash-tinted, and 

 more or less obsolete, from being overlaid with a warm 

 yellowish coating. 



Species 475. (Mus. Cuming.) 



Helix trocuus. Hel. testa vie umbilicatd, orbiculato- 

 conicd, solidd, oblique suhirregulariter plicato-striatd, 

 alia, fascid ferruyineo -fused interrnptd cmgulatd ; 

 aiifractibus quinque ad sex, convexiusculis ; aperturd 

 lunato-rotundald, labro simplici, introrsum subincras- 

 saio, jiixta columellam dilatato, reflexo. 

 ■ The top Helix. Shell scarcely umbilicated, orbicularly 

 conic, solid, obliquely rather irregularly plicately 

 striated, white, encircled with an interrupted rust- 

 brown band ; whorls five to six, rather convex ; 

 aperture lunar, rounded, lip simple, slightly thick- 

 ened inwarilly, dilated and rellected next the colu- 

 mella. 



MuLLER, Verm. Hist. terr. ct fluv. vol. ii. p. 79. 



Hab. Java. 



This is closely allied to the foregoing, and may prove 

 to be a variety of it. 



albd, basin versus sulphured, lined cinereofuscd con- 

 spicud medio cingulatd, apice obtiisd ; aiifractibus 

 quinque ad sex, convexiusculis; aperturd lunari-rotun- 

 datd ; peristomate simplici, introrsum subincrassaio, 

 juxta columellam diltitatd et reflexd. 



The bkimsto.ne Helix. Shell scarcely umbilicated, 

 shortly conic, obliquely somewhat irregularly striated, 

 bluisii-wliitc, brimstone-coloure<l towards the base, 

 encircled round the middle with a conspicuous ash- 

 brown ^line, obtuse at the apex ; whorls five to six, 

 slightly convex ; aperture lunar-rouudcd ; Up simple, 

 a little thickened inwardly, dilated and reflected near 

 the columella. 



Hab. Java. 



There is a peculiarity in the more depressed form, and 

 in the band painting of this species, wliich distinguislies it 

 constantly from its near ally U. nemorensis. 



Species 476. (Mus. Cuming.) 



Helix sclpiiurea. Hel. testa vix umbilicatd, abbreviate- 

 conicd, oblique subirregulariter striata, carukscente- 



April, 1S52. 



Species 477. (Mus. Cuming.) 



Helix tumens. Hel. testa vix umbilicatd, tubdepresso- 

 orbiculari, striis obliquis, ad suturas plicatis, lineisque 

 incim spiralibus minutis deciissatd, carneo-alljidd, lined 

 rvfd medio cingulatd, apice depresso-obtusd ; aufrac- 

 tibus quinque ad sex, convexiusculis ; aperturd tunari- 

 rotuiidatd ; peristomate simplici, introrsum subincras- 

 saio, juxta columellam paululum reflexo. 



The swollen Helix. Shell scarcely umbiliealed, rather 

 deprcssly orbicular, decussated with miuute spiral im- 

 pressed lines and oblique strite, which are puckered 

 at the sutures, flesh-white, encircled romul the middle 

 with a red line, dfj)ressly obtuse at the ajicx ; whorls 

 five to six, ratiicr convex ; aperture luunr-rouudcd : 

 lip simple, sliglitly thickened inwardly, a little n- 

 llected next the columella. 



Desh.vyes, FL-russac, Hist. Moll. pi. lOS C. f. 11, 13. 



Hab. Moluccas. 



Of a peculiar livid flesh-tinge towards the apex, cncirelwl 



round the middle witii a red hue, which appears above the 



suture of the spire throughout. 



Fig. 478. (Mus. Cuming.) 

 The shell here figured represents n variety of //. cttrina 

 (for which sec next Plale), proposi-d by Mr. Shultlcworth 



