HELIX. 



Plate CXXVII. 



Species 7G1. (Mus. Cuming.) 



Helix Dlclosiana. Ed. testa umiiUcala, depreuo-glo- 

 boad, tenui, pellucidd, lavigatd, vet arcuatim plicalo- 

 strUitd, albidd ; anfraclibus quinqite, convexiusciilis ; 

 umbilico parvo ; aperturd snhangustd, lunari-elliplicd, 

 intim callo lata protuberanle coardatd; perktomate 

 simplici, aciito, margine coluniellan rejlexo. 



DucLos' Helix. Shell umbilicated, depressly globose, 

 thiu, transparent, smooth, or arcualely plicatcly stri- 

 ated, white ; whorls five, rather convex ; umbilicus 

 small ; aperture rather narrow, lunar-elliptic, con- 

 tracted within by a broad swollen callosity ; lip sim- 

 ple, sliarp, eohiraellar margin reflected. 



Ferussac, Hist. Moll. pi. 51 A. f. 6. 

 Helix macrodoii, Menkc. 



Ilab. New Holland. 



A semitransparent white shell, having a tooth-like cal- 

 losity within the apertui-e, and no corresponding indenta- 

 tion without. 



Species 762. (Mus. Cuming.) 



Helix convexa. llel. testa vix umbiUcatd, depressn, siib- 

 dlscuided, fusco-curned, striaid, liiiein concenlrlck con- 

 ferth miuutmhtii reticulata ; spird vix elecatd, apice 

 obtmatd ; anfravtibits sex, vix convexiuscidis, ultimo 

 obsolete aiigiilato ; suturd leviter impressd ; aperturd 

 lata, lunari ; periitomate simplici, recto, intus callo 

 albido late labiato, margine cohimellari vix rejlexo. 



The convex Helix. Shell umbilicated, depressed, some- 

 what discoid, brown-horny, striated, very minutely 

 reticulated with close-set concentric lines ; spire but 

 little raised, blunted at the apex ; whorls six, slightly 

 convex, the last obsolctcly angled ; suture slightly im- 

 pressed ; aperture broad, lunar ; lip simple, straight, 

 broadly banded within by a white callosity, colurael- 

 Inr margin slightly reilccted. 



Benson, I'feiirer, ilonog. llel. viv. vol. i. p. 130. 

 Nanina monticola, llutton. 



Ilab. Mahassa, Himalaya ; llutton. 



Distinguished, like //. labiula, by a broad callous band 

 within the liji. 



Species 763. (Mus. Cuming.) 



Helix stki'mosa. Uel. testa subprofumti umbUicatd, de- 

 pre-isa, subpellucida, obli//ui undique nitiJi costeltald, 

 palliJe olioaced, medio brunnesceiite, supra peripheriam 

 pallidi fasciatd ; spira stituris impretsis ; anfractilnu 

 f/niii(jfie, ultimo, e labro subretnoti, scrobiciilato ; aper- 

 turd ovald, subhorizonlali, marginibus carneis, conni- 

 ventibus, columellari rejlexo, intus oblongo-denlato. 



The neck-pitted Helix. Shell rather dieply umbili- 

 cated, depressed, subtrausparent, neatly obliquely 

 finely ribbed throughout, pale olive, brownish in the 

 middle, with a light band immediately above the 

 pcripherj' ; sutures of the s])irc impressed ; whorls 

 five, the last pitted rather distantly from the lip ; 

 aperture oval, nearly horizontal, margins flesh-tinted, 

 approximating, eolumellar margin reflected, oblong- 

 tootiied within. 



Pfeiffeu, Pro. Zool. Soc. 1852. 



Ilab. St. Domingo ; Sallu. 



A neatly finely ribbed shell, with a pit iu the last whorl 

 at some little distance from the aperture. 



Fig. 764. (Mus. Cuming.) 



A finer specimen of II. I'ilrinoides than was represented 

 at PI. XXXIV. Fig. 151, from Landour, India. 



Fig. 765. CNIus. Cuming.) 



The shell here figured [)roves to be identical with // 

 Campbelli, represented in I'l. l.\.\.\ll. Sp. 438. 



Species 766. (Mus. Cuming.) 



Helix CABATA. llel. testa late el profundi umbilicotn. 

 albulo-corned, mipra phniulatd, infra taUe contrxd . 

 aiifractibui quatuor ail qiiiiiqiie, ttrritrr striata, uUimn 

 carina castaned circumdato ; aperturd subqiiaiiralu- 

 ocald ; peristomate late rejlexo, marginibus coHnirm- 

 libits. 



The platteu Helix. Shell broadly and deeply umbili- 

 cated, whitish-horny, flattened above, very C(>ii\e\ 

 beneath ; whorls four to five, lightly striated, last 

 whorl surrounded by a chestnut keel : a|KTlun- some- 



October, 1S52. 



