HELIX 



I'LATK LXXXII. 



Species 435. (Mus. Cuming.) 



Helix procumbens. Hel. testa late umtilicaid, depreud, 

 ducoided, tenui, suilililer striata, pallide corned; spird 

 plana ; anfractiiiis qualiwr, siibplanulalis, ultimo an- 

 tice dejlexo, basi iiijlalo, circa umbdicum latum pi-r- 

 spectivum subcompresso ; aperturd perobliqud, subcircu- 

 lari; peristomate effuso, marginibus subcontit/uis, siipero 

 late expaiiso, basali rejlexo. 



TuE BENDING IIelix. Shell broadly umhilicatcd, de- 

 pressed, tliin, finely striated, pale horny ; spire flat ; 

 whorls four, rather flattened, last whorl deflected in 

 front, inflated at the base, rather coinjiressed around 

 the perspective umbilicus; aperture very oblique, 

 nearly circular; lip eft'used, margins almost contiguous, 

 upper margin broadly expanded, basal margin re- 

 flected. 



Gould, Joum. Nat. Hist. Soc. Boston, U.S. vol. iv. p. 1-53. 

 pi. 24.f. 1. 



Hab. Tavoy, Burmah. 



A horny, discoid s])ecies, largely umbilicated, with a 

 round effused trumpet-shaped aperture. 



Species 436. (Fig. a, b, Mus. Cuming.) 



Helix refug.v. Uel. testa sinistrorsd, latissimi umbilica- 

 td, subdiscoided, snperne plana, basi concuvd, solidiild, 

 oblique minute rugald el superne conccnlrice striata, 

 albd, epidcrmide decidudjlacescettte-corned indutd ; an- 

 fractibus sex ad septem, angustis, ultimo antice perde- 

 Jlexo, basi subangulato ; aperturd perobliqud, lunari; 

 peristomate breviter et abrupte rcjkxo, albo-calloso, mar- 

 ginibus lamina medio elevatd lamellam transversam in- 

 Iranlem emittente. 



The klyino back Hklix. Shell sinistral, very broadly 

 umbilicated, discoid, flat at the upper part, concave 

 beneath, rather solid, obliquely finely wrinkled and 

 concentrically striated, white, covered with a deci- 

 duous yellowish-horny epidermis ; whorls six to 

 seven, narrow, last whorl considerably deflected in 

 front, slightly angled at the base ; aperture very 

 oblique, lunar; lip shortly and abruptly reflected, 

 white, callous, margins joined by a lamina, raised 

 in the middle, and emitting a transverse lamina whicli 

 enters the aperture. 



March, 1852 



Gould, Philippi, Abbild. und Hesch. Conch, vol. iii. p. 2. 



pi. 10. f. l. 

 Hab. Eumiah. 



Of a more discoid form than the preceding species, \ciy 

 widely umbilicated, with a chanicttrislic transverse lamina 

 on the body-whorl within the aperture. 



Species 437. (Mus. Cuming.) 



Helix LEPTOORAMMA. Ihl. testa angunti umbilicald, glo- 

 bosd, tenui, striata, lineis impressis, cvncenfricis, con- 

 fertis sculptd, canieo-albidd, fasciis angustis rufis oma- 

 td ; anfractibus tribus ad qualuor, convejiusciitis, ultimo 

 injlato, antice breviter descendente ; aperturd rix obliqud, 

 rotundato-luuari ; peristomate alio, bretiter expanmi, 

 marginibua callo tenuissimo diffusa junctis, cjlumeltari 

 valde dilatato, alio, nitido, rejlexo, umiilicum semioc- 

 cultante. 



The delicately painted Helix. Shell narrowly um- 

 bilicated, globose, thin, striated, sculptured with 

 close-set concentric impressed lines, flcsb-whito, or- 

 namented with three to four narrow rcil bands ; 

 whorls four to five, rather convex, last whorl inflated, 

 slightly descending in front ; aperture a little oblique, 

 rotundatcly lunar ; lip white, shortly expanded, mar- 

 gins joined by a very thin diflused callosity, i-oluniel- 

 lar margin much dilated, white, shining, n-flcri<<l. 

 half-covering the umbilicus. 



Pfeiffek, Pro. Zool. Soc. 1845, p. 127. 



Hab. South .Vustralia. 



A light globose shell, encircled round the middle and 

 upper part with three to four delicately painted brown-red 

 bands. 



Species 438. (l-'ig. a,b, JIus. Cuming.) 



Uei.ix Campbelli. //<■/. testd imptrforald, orbiculald, 

 ulrinque eoncexd, supenti conferlim mgosostriald, 

 striis spiralibus leriler decussatd, pallide brutmed, fas- 

 cia unicd pallida supra peripheriam omald ; ipird 

 conoided, obtusd ; anfractibus qualuor ad quinquf, 

 planiuscuUs, uUiino medio amgulato, bati Lrvigaliore, 

 nitidd, columella breri, obliqud, subiucratsatd ; aperturd 

 angulato-lunari ; peristomate tenui, acuta. 



Campbell's Helix. Shell innH.Tforattd, orbicular, con- 



