HELIX. 



Plate XCI. 



Species 489. (Mus. Cuming.) 



Helix II.vrtsianni. Ilel. testa umbilkata, depressd, sui- 

 discoidm, acute carinatd, arcnaiim dMincte striaid, 

 fused ; spird vix elatd; autiird lineari; anfraclibus 

 sex, planulatk, ultimo nou desceitd^te, ba»i convexb ; 

 umbilico magna, perspedivo ; aperturd depressd, secu- 

 riformi; peristomate recto, margine supero simplici, 

 anirorsmn arcuato, basali subincrassalo. 



Hahtmann's Helix. Shell iimbilicated, depressed, some- 

 what discoid, sharply keeled, distinctly arcuately 

 striated, brown ; spii-e scarcely raised ; suture linear ; 

 whorls si.x, rather flattened, the last not descending, 

 convex at the base ; umbilicus large, perspective ; 

 aperture depressed, wedge-shaped ; lip straight, upper 

 margin simple, arched in front, basal margin some- 

 what thickened. 



Pfeifker, Pro. Zool. Soc. 1845, p. 125. 



H(ti. Java. 



Extremely flatly depressed, with a very sharp keel and 

 broad open perspective umbilicus. 



Species 490. (Mus. Cuming.) 



Helix cox us. Hel. testa imperforatd, conicd, trochiformi, 

 basi acute carinatd, leevi, fiilvd, carina albidd, utringue 

 cinguh angusto rufo-marginatd ; spird elatd, apice 

 acuta ; anfractibus octo, jdanis, ultimo basi planiusciilo, 

 medio impresso ; aperturd depressd, oblique guadran- 

 gulari ; peristomate simplici, acitto, margine columel- 

 lari perobliquo, subincrassalo. 



The come Helix. Shell imperforated, conic, trochus- 

 shapcd, sharply keeled at the base, smooth, fulvous, 

 keel white, margined on either side with a narrow 

 red band ; spire raised, sharp at the apex ; whorls 

 eight, flat, the last rather flat at the base, impressed 

 in the middle ; aperture depressed, obliquely qua- 

 drangular ; lip simple, sharp, columeUar edge very 

 oblique, rather thickened. 



Philippi, Abbild. und Besch. Conch, pi. 1 . f. G. 



ffai. Java. 



A very characteristic trochus-shaped shell, curiously 

 marked with a dark red-brown band above and beloiv the 

 keel, which is white, the rest of the shell being of a warm 

 orange-red colour. 



Species 491. (Mus. Cuming.) 

 Helix Wi.ntekiana. Hel. testd umbilicatd, depressd, 



April, 



superni convexiuscula, pallide corned, tiitidiild, obsolete 

 carinatd; anfractibus quinque ad tex, planiusculit, ul- 

 timo descendente ; umbilico lata, pernio ; aperturd m&- 

 circulari; peristomate lenui, simplici, margine basali 

 subrejlexo. 



Winter's Helix. Shell umbilicated, depressed, rather 

 convex at the upper part, pale horny, shinini', ob- 

 soletcly keeled ; whorls five to six, rather flat, the last 

 descending ; umbilicus broad, open ; aperture nearly 

 circular; lip thin, simple, basal margiu a little re- 

 flected. 



Pfeiffek, SjTnbolae, vol. ii. p. 41. 



Hall. Java. 



A small homy species of the same peculiar widely 

 voluted type as H. Cliinensis. 



cou- 



Species 492. (Mus. Cuming.) 



Helix uakiguttata. Hel. testd vix umbilicatd, tiirbi- 

 natd, tenui, injlald, cinered, apicem versus purpuras- 

 cettte, oblique arcuatim striata, slriis ad suturas ienui- 

 plicatis ; spird brevi, apice siiboblusd; anfractibu* 

 quinque, convexiusculis ; aperturd lunalo-cireulari ; 

 peristomate simplici, acuto. 



The rare-spotted Helix. Shell scarcely umbilicated, 

 turbinated, thin, inflated, pale ash, purpUsh towards 

 the apex, obliquely arcuately striated, striie finely 

 plicated at the sutures; spire short, rather obtuse- at 

 the apex ; whorls five, rather convex ; aperture lunar- 

 circular ; lip simple, acute. 



MoussoN, Land, und Suss. Moll. Java, p. 112. pi. 21. i. 3. 



Hab. Java. 



A light inflated species, so tinged with puq)le in the 

 interior towards the apex as to show through the shell in 

 faint promiscuous blotches. 



Species 493. (Fig. a, b, Mus. Cuming.) 



Helix pileus. Hel. testd obteeti umiUicatd, coniformi. 

 Irevigatd, albd, ni/o-castaiieo vari? fasciatn ; tpird 

 elongnld, acutiusculd ; anfractibus sex, ploMiiucuiit, 

 ultimo obsolete angulalo, basi ptaHulalo, caitanto : eo- 

 lumelld brevi, obligud ; aptrlurd lunato-orali : peri- 

 stomate simplici, late expanso, albo, viargiiie tupero 

 antrorsiim subarcuato, basali reflexo, colmiiettan dila- 

 tato, reflexo, umbiliciim fere orcultoHte. 



The cap Helix. Shell with a covered umbilicus, coni- 

 form, smooth, white, variously banded with reddish- 



1852. 



