HELIX. 



Plate LXXII. 



Species 369. (Mus. Cuming.) 



Helix retkors.y. Ilel. testa umbilkatd, globoio-depressd, 

 siniilrali, tenniculd, snililissime striata, striis subcor- 

 rugatis mallealo-decussatd, comeo-olivaced ; anfrac- 

 tiius quatuor ad quinque, pUmo-convexk, idlinm acute 

 carina to; umbilico anyitsto, pro/undo ; aperturd Imiari- 

 ovali ; peristomate simplici, margine columellari recur- 

 vato. 



The reversed Helix. Shell umbUicated, globosely de- 

 pressed, sinistral, rather thin, very finely striated, 

 indentedly decussated with fine corrugate stri:i;, 

 homy-olive ; whorls four to five, flatly convex, last 

 whorl .sharply keeled ; umbilicus narrow, deep ; aper- 

 ture lunar-oval ; lip simple, columcllar margin re- 

 curved. 



Gould, Boston, Joum. Nat. Hist. vol. iv. p. 1.55. pi. 24. 

 f. 4. 



Ilab. Tavoy, Burmah. 



A sharply keeled sinistral species of a dull horny-olive 

 colour. 



Species 370. (Mus. Cuming.) 



Helix Chenui. Ilel. testa sttbumbilicatd, depressd, tenui- 

 usculd, striis mcbtilibus et lineis impressis spiralibiis mal- 

 leato-subdecttssatd, castaneo-fulvd ; spird vix elevatd, 

 obtusd; anfractibus quatuor ad quinque, planiusculis, 

 ad suiuram vix impressam breviter rugoso-strialis, ul- 

 timo angutato, nan descendetite, fascia periphericd pal- 

 lidd et adjacente castaued, deorsum dilutd, ortiato ; 

 aperturd parum obliqud, truncato-ovali, intus opalind ; 

 peristomate redo, simplici, margine columellari suiin- 

 crassato, ad umbilicum clausum breviter dilatato-re- 

 fiexo. 



Chenu's Helix. Shell slightly umbUicated, depressed, 

 rather thin, indentedly decussated with fine stria' 

 and spiral impressed lines, chestnut-fulvous ; spire 

 scarcely raised, obtuse ; whorls four to five, rather 

 flat, shortly rugosely striated at the slightly impressed 

 suture, last whorl angled, not descending, ornamented 

 with a pale band at the periphery, then chestnut, 

 turning pale beneath ; aperture but little oblique, 

 truncatoly oval, opaline within ; lip straight, simple, 

 columcllar margin rather thickened, shortly dilately 

 reneclcd over the closed umbilicus. 



Pfeiffer, in Zeitschrift fur Malac. 1847, p. 145. 

 Hab. Ceylon? 



Of a dark livid fiilvous colour, darker immediately below 

 the periphery ; and of a lighter olive around the umbilicus. 



Species 371. (Mus. Cuming.) 



Helix cic.\tricos.\. UkI. tesid sinistrorsa, uvMlicata 

 depresso-globond, irregidariter rugosd et cicalricotu, 

 fulvicante-fuscd, lineis et fasciis rujis carii omatd 

 anfract'Jjus quinque ad sex, rotundatis, uUimis duobm 

 injlatis, ultimo ad periplieriam angulato, ad umii/irui- 

 nu'diocrem, pervium, compresso ; aperturd liinan ,- pe- 

 ristomate expanso, suiincrassato, marginiJbut calln tenui 

 junctis, columellari breviter arcuato, late expanso, um- 

 bilicum semitegente. 



Tue scarred Helix. Shell sinistral, umbilicatcd, dt- 

 pressly globose, irregularly wrinkled and scarred, ful- 

 vous-brown, variously ornamented with reil bands 

 and lines; whorls five to sis, rounded, the last two 

 inflated, the last angled, compressed around the open 

 midrlling umbilicus; aperture lunar ; lip expamicd, 

 ratlicr thickened, margins joined by a thin callosity, 

 columcllar margin shortly arched, broadly expanded, 

 half-covering the umbilicus. 



McLLER, Verm. Hist. terr. et fluv. vol. ii. p. 12. 

 Helix Senegalemis, Chemnitz. 

 Helix C/tinensis, Wight. 



Ilai. China. 



This well-known species, which is found abundantly in 

 China, is always convoluted sinistrally. 



Species 372. (Mus. Cuming.) 



Helix W.\ltoxi. Flel. testa imperforata, depreua, py- 

 ri/ormi, solidd, longitudinaliler et concent rice striata, 

 fused, rubicundo-fasciald, niaculis triangularibiu Jia- 

 vidis epidermidis hydropltante onuUd ; tpird minima, 

 obtusd ; anfractibus tribus ad quatuor, rapiiliuimi ac- 

 crescentibus, ultimo ventroso, depresso, sulci* MonHuUit 

 concentricis signalo ; aperturd peroblii/ud, lunato-ovali, 

 intus nilide rosed ; peristomate late expanso, rtfUxo. 

 nigra, marginibus cnllo nigro iiitrorsum dijfuio junctiM. 

 columellari declici, strictiusculo, supeme ralde dilaiato, 

 excavate. 



February, 1852. 



