HELIX.— Plate LXXVI. 



the last vcntricose ; aperture lunar-circular ; lip sim- 

 ple, acute, columcUar margin arched, dilated, rellectcd 

 in a vaulted manner, half-covering the umbilicus. 



Benson, Annals and Mag. Nat. Hist. vol. xi. 1842, 

 p. 486. 



Hab. Chusan, Cliina. 



A light inflated shell, distinguished bv a tawny silken 

 aspect, arising from the decussated stria;. 



Species 399. (Mus. Cuming.) 



Helix inquinata. Eel. testa vix umblUcata, depresso- 

 conoided, tenui, nitiduld, minute granvlaia, pelluddo- 

 rosea, opaco-albo lentiffinosd, apicem versus immaculatd; 

 aiifractibtis quinque ad sex, planiuscuUs, vUinio rotuii- 

 dato, obsolete caritmto ; aperturd elUplico-lunari, labro 

 simplici, acuta. 



The stained Helix. Shell scarcely umbilicated, depressly 

 conoid, thin, shining, minutely grauuled, transparent 

 rose, freckled with opake white, unspotted towards 

 the apex ; whorls five to six, rather flat, last whorl 

 rounded, obsoletely keeled ; aperture elliptically lunar, 

 lip simple, acute. 



BuscH, Philippi, Abbild. utid Bcsch. Conch, vol. i. p. 10. 

 pi. 1. f. 4. 



Hab. Java. 



A depressly conoid form of a delicate transparent rose 

 substance freckled with opake white. 



Species 400. (Mus. Cuming.) 



Helix zonulata. Hel. testa imperforatd, depresso-glo- 

 Ijosu, tenui, lineis j/iimitissimi-s decus-mntibus scabrius- 

 culd, nitiduld, fuhescente-carned, ad periplieriam fascia 

 dilutd albidd, superne zonula U7ncd rufd angustd mar- 

 ginatd, circuradatd; anfractibus quinque, convexiusculis, 

 idlimo ventroso ; columella tenui, rubicundd, callosd ; 

 aperturd rotundato-lunari ; peristomate simplici, re- 

 fiexo, margine columellari dilatato, umbilici locum 



prorsus tegente, cum basali angulum mlidenliculatum 

 formante. 



The zoned Helix. Shell imperforated, depressly glo- 

 bose, tliiu, rather roughened with verj- minute de- 

 cussating lines, shining, fulvous flesh-colour, encircled 

 with a dilute white band, margined above with a nar- 

 row red zone ; whorls five, rather convex, the last 

 vcntricose ; columella thin, ruddy, callous ; aperture 

 rotundaiely lunar ; lip simple, reflected, columellar 

 margin dilated, covering the place of the umbilicus, 

 and forming a slightly denticulated angle with the 

 basal margin. 



Feeussac, Prodrome, p. 67. 

 Helix Listeri, Fcrussac. 

 Helix lemniscata. Lesson. 



Hab. New Guinea. 



Very closely allied to H. intorta of the Philippine Islands. 



Species 401. (Mus. Cuming.) 



Helix mandarina. Hel. testa imperforatd, turbinato- 

 globosd, solidd, striatd, castaned; spird elatd, conoidea, 

 apice obtttsd ; anfractibus quinque ad sex, convexis, 

 ultimo pallide cingulato, interdum medio subangulatc ; 

 suturd profunda ; aperturd late rotundato-lunari; 

 peristomate subincrassato, margine supero vix expanso, 

 basali et columellari dilatato, arcuato, comeo. 



The mandarin Helix. Shell imperforated, turbinately 

 globose, solid, striated, chestnut ; spire raised, conoid, 

 obtuse at the apex ; whorls five to sL\, convex, the 

 last palely banded, sometimes slightly angled round 

 the middle ; suture deep ; aperture broadly rotun- 

 datcly lunar ; lip rather thickened, »ipper margin 

 slightly expanded, basal and columellar margins 

 dilated, arched, flesh-coloured. 



Gray, Zool. Becchcy's Voyage, p. 143. pi. 38. f. 3. 



Hab. Loo-Choo Islands. 



It is a characteristic feature in this, being a dark chest- 

 nut shell, that the lip and apex are of a dehcate llesh tint. 



