HELIX. 



Plate CXLVl. 



Species 943. (Mus. Cuming.) 



I^[elix AaBUSTOKCM. Hel. teslu mbobtecle umbilicata, 

 depresso-ffloliosd, tenui, concenlrke miniilmime striata, 

 longitudinaliter, prreserlim ad mituram, riiguhso-stria- 

 tuld,f lined, slramineo compersd, plentmquc rufo-unijatt- 

 ciatd; spird magk minusve elevald ; anfractibiu sex, 

 coiwexk, ultimo antice vix descendente ; aperturd lii- 

 nato-roliindald ; peristomate candidi labia to, viargiiie 

 supero expanso, basali rejlexo, ad umbilicum dilatato. 



The tree Helix. Shell with a partially covered umbi- 

 licus, deprcssly globose, tliin, couceutrieally very mi- 

 nutely striated, longitudinally, especiaUy at the suture, 

 roughly striated, brown, sprinkled with straw-colour, 

 generally red-banded ; spire more or less raised ; 

 whorls six, convex, the last a little descending in 

 front ; aperture lunar-rounded ; lip white-edged, 

 upper margin expanded, basal reflected, dilated at 

 the umbilicus. 



LiNN.€US, Syst. Nat. (10th edit.) p. 771. 

 Helix castanea, MuhUeldt. 

 Helix riidis, Muhlfeldt. 

 Cochlea unifasciata, Costa. 

 Helix JFitlmamii, Zawadsky. 

 Helix Xatarlii, Farini. 

 Helix alpestris, Ziegler. 

 Helix titrffidula. Wood. 



Hab. Europe. 



Widely distributed under various aspects, not differing 

 particularly in colour, throughout Europe. 



Species 944. (Mus. Cuming.) 



Helix makmouata. Hel. lestd imper/oratd, globoso-de- 

 pressd, lulescenle-corned, interriipti fasciatd, fitsculo 

 albidoque marmoratd ; anfractibus quinque, cix con- 

 vexiusculis, ultimo antice dejlexo ; aperturd late lu- 

 nari ; peridomate simpUci, intits rosea, maryinibus 

 comiiventUius, dextro patulo, columellari appresno, sub- 

 dilalato, l<evigalo. 



The marbled Helix. Shell imp(rfonite<l, globoscly dc- 

 pcssed, yellowish-horny, interruptedly live-banded, 

 marbled with light brown and white; whorls five, 

 but little convex, the last delleclcd in front ; aperture 

 broadly lunar; Up simple, pinkish within, margins 



approximating, right margin patulate, columcllar 

 margin apprcsscd, subdilatcd, smooth. 



Ferussac, Hist. Moll. pi. 40. f. S. 



Hab. Gibraltar. 



The bands below the periphery are firm and distinct, 



whilst those above it an* broken up into marbling. 



Fig. 945. (Mus. Cuming.) 



This shell, illustrative of H. Hepellini, Chapcnticr, must 

 we fear be regarded as a variety of H. arbiistorum. It i« «f 

 a more deprcssly orbicular growth and the umbilicus is 

 only partially overlaid ; but all its essential details of cha- 

 racter are the same. 



Species 946. (Mus. Cuming.) 



Helix Carica. Hel. testa late umiilicaia, depresto-orbi- 

 cidatd, obtuse cnrinatd, supra sericind, subtiliuimi de- 

 cussatd, seriatim granulatd, striata, comeo-ttite»ceKU, 

 subtus laci, conieo-albescenle, luteo-radiatd ; tutHra 

 profundd ; anfractibus quinqu' "•: aprr- 



turd oblique tunato-ocali ; ji- <, recto, 



iiitus calloso, potius labiato, labia albo, eztemi luleo- 

 pellucente. 



The Cariax Helix. Shell broadly umbilicatcd, de- 

 prcssly orbicular, silky above, verj- finely decussate<i. 

 seriately granulated, striated, homy-yellow, smooth 

 beneath, horny-white, yellow-rayed ; suture deep ; 

 whorls five, rather convex ; aperture obli(iuely luimr- 

 oval ; lip shaq), straight, callous within, rather cdgwi. 

 edge white, outwardly trnuspareut yellow. 



RoTU, Diss. p. 17. pi. 1. f 0, 7, 21. 



Hab. Caria, .Vsia Minor. 



Of a somewhat tropical asjKct, elaborately graiiulatctl 



on the upper surface, smooth below. 



Species 947. (Fig. a, b, Mus. Cumiug.) 



Helix sylvatica. Hel. testa dtprrsto^lobotd, aliido- 

 lutescente, striata, quadri/asciald./ateii* Ktpt maeutote 

 inter niptis, rel conflueHlibus; anfractibus quiitqtu, roa- 

 rexiufciilis, ultinu) an/itv n> deseendente ; aperturd 

 lunato-rotundald ; . cii patulo, recto, labi- 

 ato, niargiue coluui inlrorsum eii dilatalo 



munito maculdque umbilicali plerumque violacto-nf^. 



December, 1852. 



