HELIX —Plate 111. 



convex, the last obsoletcly angled ; columella slanting, 

 broad, lint, brownisli-flcsli ; ajuTtuit; rather obliquo, 

 luuar-oval, livid and shiuiii;^ within ; edge ol" tlie lip 

 brown-tlesh within, broadly expanded, rather thin, 

 but little reflected, margins joined Ijy a tiiin shining 

 callous byer, fonuiiig an ani,'li' at the base with tiie 

 columella. 



Hkodebip, I'ro. Zool. Soc. ISU, p. 3. 



Hab. Island of liohol, Philippines ; Cuming. 



This fine species is of a dark mahogany-colour, the epi- 

 dermis showing chietly below the peripheri' of the last 

 whorl. The lip is broadly expandi;d and of a strong 

 flesh-tint. 



Species 11. (Mus. Cuming.) 



Helix monocukoa. Ilel. teiid pmfmidi unibilicatd^semi- 

 globoM, tenuiuiculd, pallide brunited, iiUerdum rujo 

 varii fatciatd, minute rvgulosd ; spird mediocri ; an- 

 fractibut quatuor ad qninque, conwxiuaculu, ultimo 

 ru/o bi/aicialo ; aperturd ptrobliqud, lunato-otali, intus 

 lacted ; peristomale exlwi ceeruleo-funco, subincrassalo, 

 rtjlexo, columetlari crasso, late expamo, umiilicum 

 seiiiilegente. 



The yellow-tinged Helix. Shell deeply urabilicatcd, 

 semiglobose, rather thin, pale yellowish-brown, some- 

 times variously banded mth red, minutely wrinkled ; 

 spire middling ; whorls four to five, rather convex, 

 the last red-banded ; aperture vcrj' oblique, lunar- 

 oval, milk-white within ; lip blue-brown without, 

 rather thickened, reflected ; columella thick, broadly 

 expanded, half-covering the umbilicus. 



SowERBY, Pro. Zool. Soc. 1841, p. 1. 



Hab. Island of Tablas, Philippines ; Cuming. 



Of rathi^r globose form, of a peculiar yellowish tinge, 

 with a livid blue-white lij). 



Species 12. (^lus. Cuming.) 



Helix cadlciok. IleL teatd oblique umbilicatd, de- 

 pretsd, cariiiatd, supra cariuain minute granulatd, 

 infra miuuti rugulotd, pallide olivaced, fascid angustd 



nigrieante ; ipird parum elevatd ; anfraclihu* quatuor 

 ad quinqiie, planiutculit et minuti decussatu ; aper- 

 liird lati ellipticd, intux opalind ; perixtomate sim- 

 plici, tenui, dilatato, umiilicum obliquum semitegenle. 



The moke bkittle Helix. Shell obliquely perforated, 

 depressed, keeled, minutely granubtcd above the 

 keel, wrinkled below it, light olive, with a narrow 

 blackish bund below the keel ; spire but little raised : 

 whorls four to five, rather flat and minutely decus- 

 sated ; aperture broadly elliptical, interior opaline ; 

 lip simple, tliin, diluted at the cdlumella, reflected, 

 half-covering the oblique umbilicus. 



Had. Island of Masbate, Philippines ; Cuming. 



Of thin brittltr substance and yello«ish-olive hue, mi- 

 nuti'lv granuluted above, minutely wrinkled below. 



Species 13. (ilus. Cuming.) 



Helix cretata. Hel. testa umbilicatd, depresso-globosd, 

 solidd, sub epidermide griwo-Jlacidd, strpe obscure zonatd, 

 nitide atro-rufescente ; spird subelecatd, seiiiiglobosd, 

 strigis epidermidis variegatd; ai{fractibtis quatuor, con- 

 vexis, ultimo linein elevati», conceiilricis cincto et irre- 

 gulariter malleiito ; columelld declivi, strictiusculd, 

 dilatatd, plana, alba vel rubella; apertura ampld. 

 lunato-ovali, intus iridescent^ ; peristomate late ex- 

 pamo, rejlexo, margine supero arciiato, ba^ali cum colu- 

 mellari angulum obtunum fonnanle. 



The chalky Helix. Shell umbilicated, depressly glo- 

 bose, solid, sliining dark red, covered with a yel- 

 lowish-grey epidennis, often zoned ; sjin-e somewhat 

 raised, semiglobose, variegated with streaks of epi- 

 dermis ; whorls four, convex, the last encircled with 

 raised lines and irregularly dented; columella slant- 

 ing, rather drawn out, dilated. Hat, while or reddish ; 

 aperture large, lunar-oval, iridescent within ; lip 

 broadly expanded, reflected, upper edge arched, basal 

 edge fonning an obtuse angle with the columella. 



BuoDERiP, Pro. Zool. Soc. 1811, p. 23. 



Ilab. Isluud of Lejie, Philip])incs ; Cuming. 



The surface of this shell, covered with u thick chalky 

 epidermis, is peculiarly dented throughout. 



