HELIX. 



Plate LXVUI. 



Species 353. (Mus. Cuming.) 



Helix peunum. Ilel. testa umbilicald, aiibdepresso-glo- 

 boad,fulvd, nitida, oblique striata, obsolete granulata ; 

 spird brevi ; anfractibns sex, phinulatis, ultimo ven- 

 troso, basi injtato, antici parum descendente ; aperlurd 

 lunato-stdicirculari, intus nitidu, rubescente ; peristo- 

 tnate breviter expaiiso, margine columellari superne 

 dilatato, umbilicuyii augustum semioccuUante. 



The plum Helix. Shell umbilicated, somewhat de- 

 pressly globose, fulvous, shining, obliquely striated, 

 obsoletely granulated ; spire short ; whorls six, flat- 

 tish, the last ventricose, inflated at the base, but 

 little descending anteriorly ; aperture lunar-subeir- 

 cular, shining and reddish witliin ; lip slightly ex- 

 panded, columellar margin dilated above, half-cover- 

 ing the umbilicus, which is narrow. 



Ferussac, Hist. Moll. pi. 26. f. 7, 8. 

 Jlelix argillacea. Gray. 



Hab. .\ustralia. 



A semitransparent shell of a dull fawn-colour, distin- 

 guished by a blush of purple-red about the expanded mar- 

 gin of the aperture. 



Species 354. (Fig. a, b, Mus. Cuming.) 



Helix Dupdyana. Hel. testa imperforatd, subdepresso- 

 conicd, undique minutissime granuloso-reiiculatd, oli- 

 vaceo-fulvd, sonis duabus castaneis remotis cingulatd ; 

 spird subobtusd ; anfractibus quinque, plano-convexis, 

 ultimo ad perip/ieriam angulato, siibtus depresso, medio 

 leciler excavato ; aperlurd subhorizontali, Irigono- 

 ovatd ; peri-stomate rejlexo, calloso, castaneo, intense 

 nigrieanie-castaneo, nitenle. 



Dupuy's Helix. Shell imperforated, somewhat depressly 

 conical, very minutely granulately reticulated through- 

 out, olive-fulvous, encircled with two distant chestnut 

 zones ; spire rather obtuse ; whorls five, flatly convex, 

 tlie last angled at the periphery, depressed beneath, 

 slightly excavated in tiie middle ; aperture rather 

 horizontal, triangularly ovate ; lip reflected, callous, 

 very dark shining blackish-chestnut. 



Pfeipkek, Chemnitz, 2nd edit. pi. 124. f. 15, 10. 



Hab. Bellingen River, Australia (in the brushes) ; Mac- 

 gillivray. 



An extremely characteristic species of a depressed coni- 



cal form, encircled by two distant chestnut zones upon aii 

 olive-fulvous ground, and having a very dark shiaiut' 

 chestnut-black lip. 



Species 355. (Mus. Cuming.) 



Helix Falcon aki. Hel. testa prof unde umbilicatd, ovati, 

 tenui, vesiatlari, pallidi brunned, fasciis interruplit 

 maculisque prope suturam nigris ornatd ; spird par- 

 vuld, obtusiusadd ; aiifractUius quatuor, convexit, /■«- 

 pide accrescentiius, nllimo valdi ivjiato, minutumimi 

 granulato, antici declivi, circa umiilicum magnum 

 infundibtdifonnem subcompresso ; aperturd lunato- 

 oblongd, intrn subviridescente ; perintomate recto, mar- 

 giniius callo tetiuissimo junctis, columellari valdr 

 dilatato, reflexo. 



Faicoxar's Helix. Shell deeply umbilicated, ovalt-, 

 thin, veiny, pale brown, ornamented with black in- 

 terrupted bands and blotches near the suture ; spire 

 small, rather obtuse ; whorls four, convex, rapidly 

 increasing, the last much inflated, vcrj- minutely frru- 

 nulated, slanting in front, rather compressed around 

 the umbilicus, which is large and funnel-shaped 

 aperture limar-oblong, slightly iridescent within ; 

 lip straight, margins joined by a vcr>- tliin callosity, 

 columellar margin much dilated and reflected. 



Reeve, Pro. Zool. Soc. 183-1, p. 63. 



Hab. Bellingen River, New Holland (in the bnwhes) ; 

 Maegilli\Tay. 

 The brown colouring of this fine species is curiously 



mottled throughout, and the bands arc composed of 



blotches. The blotches next the suture arc large and 



flame-like. 



Species 356. (Fig. a, b, c, Mus. Cuming.) 

 Helix Ikcei. Hel. ttsld umbilicatd, depreuo^loboa. 

 soliduld, slriatd, sub epidermide pallidi fulvd, alba, 

 fasciis angiistii castaneis ringulald ; tpird etnata. 

 aculiasculd ; anfractibus seplein, comrfxiutculu, ul- 

 timo circa umbiiicum mediocrem, pervium, tubcom- 

 presso ; columella arcuatd ; aperturd perobliqad, 

 lumto-otali , peristomate albo, tenui, intus sMabiato. 

 margine dextro cix expanse, basali reflexo, columeliar, 

 in laminam triangularem dilatato, umbilicuM irmi- 

 tegente. 



January, 1852. 



