HELIX.— Plate LXXXIV. 



lunar, subcireular; lip simple, rather thickened, 



margins approximating. 

 Gould, Expedition Shells, 1S46, p. 23. 

 Hab. Island of Samoa. 



A verj' dark chestnut species, encircled with two elia- 

 racteristic pale lines, one above and the other below the 

 peripher}'. 



Species 454. (Mus. Cuming.) 



Hklix episantha. Hel. testa iimbilicatd, subfflobosa, 

 tenui, corned, sub lente minutiisinie granulatd ; spird 

 pland ; anfractibm (luatiior ad quinque, ultimo sub- 

 iiiflato ; aperlurd luuari ; periitumate tenui, simplici. 



TnK YELLOWISH Heli.\. Shell umbilieated, somewhat 

 globose, thin, horny, beneath the lens very minutely 

 granulated ; spire flat ; whorls four to five, the last 

 rather inflated ; aperture lunar ; lip thin, simple. 



Pfeiffek (Mus. Cuming). 



Hab. China. 



A simple horny shell, somewhat remarkable for its 

 very minutely granulated surface. 



Species 455. (Mus. Cuming.) 



Helix PYRRnozoNA. Ilel. testa umbUicaiS, depreud, 

 tenui, subdiaphand, comeo-albidd, supente confertim 

 costulalo-striatd, basi tenuiler striata; spird parum 

 elevatd ; anfractibus quinque ad sex, convexituculis, 

 ultimo ad pi-ripheritnn rufo-uni:onato, antice ru de- 

 scendenle ; umbilico mediocri, pernio ; aperturd subrer- 

 ticali, lunari; peristomate vix expansiuscuto, intus in- 

 crassalo, alho, ad basin tuberculum indistinctum for- 

 mante. 



The red-banded Helix. Shell umbilieated, depressed, 

 tliin, subdiaphanous, horny-white, closely rib-like 

 striated at the upper part, finely striated at the 

 base; spire but little elevated; whorls five to six, 

 rather convex, the last red-banded at the periphery, 

 scarcely descending in front ; umbilicus middling, 

 open ; aperture subvertical, lunar ; lip slightly ex- 

 panded, inwardly thickened, white, forming an in- 

 distinct tubercle at the base. 



Philippi, Abbild. und Besch. Conch, vol. ii. p. 9. pi. 6. 

 f.4. 



Kab. China. 



The rib-like striae which characterize this species are 

 very strongly developed. 



