H E L I X. 



Plate III. 



Species 7. (Mus. Cuming.) 



Helix cryptic.\. IIel.teddwiperforatu,globoso-depmm, 

 soUdd, slriald, rur/is obUquis sculptd et litieia elevalis 

 cinctd, purpureo-brunned, epidermide fusculd indutd ; 

 npird brevi, vudd ; anfraclibus quatuor, convexiumdh, 

 ultimo medio amjulalo, aiilice descendente ; columelld 

 declivi, vaUU dilaiatd, earned ; aperturd perobliqud, 

 lunato-otali, intus argenieo-cfRridescente ; peristomate 

 late expamo, iiicrassato, rejlexo, carneo-livido. 



The concealed Helix. Shell imperforated, globosely 

 depressed, solid, striated, sculptured with oblique 

 n-rinkles and encircled with raised lines, purple- 

 brown, covered with a brownish epidermis; spire 

 short ; whorls four, rather convex, last wliorl sliglitly 

 angled in the middle, descending anteriorly; colu- 

 mella slanting, much dilated, flesh-tinted ; aperture 

 very oblitiuc, lunar-oval, silvery -bluish within ; edge 

 of the lip thickened, reflected, livid flesh-colour. 



BnonERiP, Pro. Zool. Soc. 1841, p. 23. 



Jfab. Island of Samar, Philii)i)ines ; Cuming. 



This species is of a rounded form, and has a peculiar 

 glaucous-livid roughened surface. 



The upper siu-faee of the shell is neatly cliaractcrized by 

 a mottled disposition of the epidermis. 



Species 8. (ilus. Cuming.) 



Helix porphyria. Eel. testd perforata, depreml, solidd, 

 oblique rurjoso-striatd, rnfd, maculh et striffis creber- 

 rimis, flavido-attidii, subpromimilis marmoratd, cari- 

 natd, infra cariiiam fusco-fawiatd, bast olivaceo-fidvd, 

 nitidiore; atifradibiis qvaluor ad qiiinque, planulatis, 

 regulariter accrescenlibus, ultimo circa perforatioiieni 

 npertarii excavate; aperturd subrliondjed ; peristomate 

 nimplici, tenui, margine columellari arciiatim reflexo. 



The porphyry Helix. Shell perforated, depressed, 

 solid, obliquely roughly striated, red, marbled with 

 rather prominent close yeUowish-white blotches and 

 streaks, keeled, banded with brown l)elow the keel, 

 fidvous-olive and more shining at the base ; whorls 

 four to five, rather flattened, regularly increasing, the 

 last excavated around the umbilicus ; aperture sub- 

 rhomboid ; edge of the lip simple, thin, arcuatcly 

 reflected over the columcUar margin. 



Pfeiffer, Pro. Zool. Soc. 1812, p. 87. 



Hab. Island of Burias, Philippuies ; Cuming. 



March, 



Species 9. (Mus. Cuming.) 



Helix hepatica. Eel. testa umbilicatd, depremusculd. 

 striis coiifertis spiralibus et obliquis iniiiuli decustatd, 

 subcarin/itd, fumeo-caslaned, apicem versus ni/'fenl'; 

 ad cariiiam zonula fuhd ciiigulatd, infra saturatiore. 

 suUm olivaced ; spird parttm exserta ; anfraclibus qua- 

 tuor, planiuscuUs ; aperturd lunatc-ovali ; peristomate 

 simplici, viargine supero inflexo, columellari raldi dila- 

 tato-reflexo. 



The livee-coloured Helix. Shell umbilicatcd, rather 

 depressed, min\itely decussated with close-set spiral 

 and oblique striae, slightly keeled, smoky-chcstniil 

 colour, reddish towards the apex, encircled ivitli a 

 narrow yellow zone at the keel, darker below, olive 

 imderneath ; spire but little exserted ; whoris four in 

 niunber, rather flattened ; aperture lunar-oval ; edsre 

 of the lip simple, upper margin inflected, cohimellar 

 margin dilately reflected back. 



Hab. Bulinao, Pro\ince of Zambalcs, Ishind of Lu/ou 

 (under decayed leaves) ; Cuming. 

 This species is always distinguished firom U. bulla, to 



which it is nearest allied, by its peculiar smoky-brown 



colour, its narrow vellow keel-zone, and firmer growth. 



Species 10. (Mus. Cuming.) 



Helix latitans. Ilel. testd nmbilicatd, globoso-deprestd, 

 solidd, longitudinaliter striata, sulcis • 

 leti notatd, atro-rufescente, epidermide t 

 grised indutd, medio rtfo-fasciata ; spird brert; an- 

 fraclibus quatuor, contexiusculis, ultimo obsoUti angu- 

 Mo; columella declici, laid, plana, fusco-caned ; 

 aperturd perobliqud, lunato-otali, intus nUidd, liridd . 

 peristomate intus fusco-carneo. late expanse, tenutus- 

 culo, vix njlexo, marginibus callo nilido junclis, supero 

 arciwto, basali cum columellari angulumformautr. 



The lvukiso Helix. Shell umbUicated. globosely de- 

 pressed, solid, longitudinally striated, obsolcti-ly 

 marked witii concentric grtKives, blaek-ml, eovt-n-d 

 with a thin yellowish-grey epidermis, nil-bandcd 

 about the middle ; spire short : whoris four, rntlirr 



1851. 



