IT E L I X 



Plate XXVII. 



Species 115. (Pig. 115 and Fig. 117 a, 4, Mus. Cuming.) 



Helix semigranosa. Hel. testa obtecte umbilicatd, de- 

 preHsa,orbiculari, plus minus cariiiata, crassiusculd, su- 

 perne olivaceo-fuscd el minute granulatd, sublus radia- 

 lim striata et nilidissime olivaceo-viridi, ad carinam 

 rvfo-fusco fasciatd ; spird depresso-conoided, rufescenle 

 tinctd ; aiifraclibus sex, nunc planulatis, nunc con- 

 vex is ; aperlurd angulate lunari, inlus albidd ; peri- 

 stomate simplici, basi incrassatd, ad columellam sub- 

 expanso. 



The H.VLF-GKAINED Helix. Siicll umbilicated and 

 covered, depressed, orbicular, more or less keeled, 

 rather thick, olive-brown and minutely granulated 

 over the upper part, radiatcly striatctl and very shin- 

 ing olivc-grceu beneath, l)audcd with rcd-browu at 

 the keel ; spire depressly conoidal, tinged with red ; 

 whorls six, now flatlened, now convex ; aiierture 

 angularly lunar, whitish within ; lip simple, tliickencd 

 at the base, rather expanded at the columella. 



SowERBY, Pro. Zool. Soc. IS U, p. 2G. 

 lldix Blainvilleana, Lea. 

 Eadem var. Helix Panayeusis, Pfeiffcr. 



Ilab. Islands of Luban and Pauay, Philippines ; Cuming. 



The upper and lower surfaces of this species present a 

 striking contrast ; the one being finely granulated, whilst 

 the other is liighly polished. 



Species 116. (Fig. a, b, Mus. Cuming.) 



IIeltx iiORizoXTALis. Hel. testd umbilicatd, depressd, 

 oblique slriatd, pins minus carinatd, luteo rufo-fas- 

 ciatd,fasciis duabus supra, und infra, und ad carinam ; 

 anfraclibus quinque, planis, ultimo ad uperturam subilh 

 fere verticaliter deflexo ; aperlurd horizontali, integrd, 

 oblongd; peristomate crasso,refkxo, cameo, marginibus 

 junctis. 



The horizontal Heli.x. Shell umbilicated, depressed, 

 obli(iucly striated, more or less keeled, yellowish, red- 

 banded, two bands above the keel, one on the keel, 

 and one below it ; whorls five, flat, the last suddenly 

 almost vertically deflected at the aperture ; aperture 

 horizontal, entire, oblong ; lip thick, reflected, flesh- 

 tinged, margins joined. 



Helix horizontaUs, Pfeifler, Pro. Zool. Soc. 1845, f. 4(). 

 Eadem var. Helix Reeceana, Pfciffer. 



Hab. Islands of Baiitayon and Zebu, PhQippines ; Cuming. 



Encircled throughout with rather broad red bunds, 

 while the aperture is characterized by having its tliiokeucd 

 lip continuous. 



Species 118. (JIus. Cuming.) 

 Helix sexiolobosa. Hel. testd suiiimbiticatd, teini- 

 globosd, tenui, lulescenli-corned, supra miiiutintime 

 granulatd ; suturd vix impressd ; aiifraclibus trx, 

 planis, idUiiio carinato, infra carinam Iftrr 

 fascid diluld bruniied iiotato ; aperlurd 

 tied; peristomate simplici, acuto, margine columellari 

 late reflexo, Jimbilicmn anguslissinium sewileijf^itf. 

 The semiglobose Helix. Shell .<lightly mnbilicated, 

 semiglobose, thin, yellowish-homy, minutely granu- 

 lated over the upper part ; suture scarcely impn>ssc(l ; 

 whorls six in niuuber, flattened, the hist keeled, 

 smooth and shining below the keel, marked with a 

 dilute brownish band ; aperture lunarH'Uiptical ; lip 

 simple, acute, columellar margin broadly rcflertod, 

 half-covering the very confined umbilicus. 

 Pfeuter, Pro. Zool. Soc. 1845, p. 38. 

 Hab. Islands of Leyte and Samar, Philippines ; Cuming. 

 - This only difiVrs from //. semigranosa by its thin in- 

 flated growth, and by the minuter character of its sculpture. 



Species 119. (Mus. Cuming.) 



Helix Siquijorexsis. Hel. testd impetforata, drprnad. 

 carinatd, crassiusculd, oblique striatuld, riifi, rpidrr- 

 iiiide albd hjdrophand obducid ; spird parum exurrld : 

 suturd lineari ; aiifraclibus quatuor ad quinque, pla- 

 nulalis, ultimo non deflexo; carina aaitd ; aperlurd 

 securiformi ; peristomate inlus nilido. ■ (into, 



basi re/le.ro, ad colume/lam arciiatam - 



The Siquijor Helix. Shell imperforated, deprcss«-<l, 

 keeled, rather thick, olili(|uely finely .■^triatrd, n-d, 

 covered with a whitish hydrophanmis epidennis; 

 spire but little exserted ; suture linear;. whorls four 

 to five, rather flattened, the last not deflected ; kerl 

 sharp; aperture wedge-shaped; lip shining within, 

 expaniled above, reflected at the Ims*-, .■oniewhal 

 thickened towards the arched columella. 



CarocoUa Siquijoren3is,BTO(]crip, Pro. Zool. Soc. 1 SI 1 ,p. 3S. 



Hab. Island of Siipiijor, Philippines ; Cuming. 



This fine species is of a rich chcstnut-rcd colour, coven d 



partially with a slight hydrophanous cpidenni.<, ond tinged 



about the lip with purple. 



June. 1851. 



