IIKI.IX.— Plate CXXXIV. 



is regarded bv Dr. Pfeiffer as a colossal variety of //. Porlo- 

 Sanctami. The spire is more raised, and the marking dif- 

 fers slightly. 



Species 831. (Mus. Cuming.) 



JIelix undata. Hel. tedd mjinrforatd, depreaso-turbina- 

 Id, nigricaute-fuscd, plicia validU undalim corrugatd ; 

 ■ipird late coiioided ; atifractibm quinque ml sex, convvx- 

 imculiis, uUimo anlice valde de/lexo ; aperturd ampld, 

 lunato-ovall ; perUtomate aupenie dmplici, marginibM 

 cnllo tenumimo junctis, coluntellari dilatato, appressi 

 rejlexo, piano. 



The waved Helix. Shell imperforated, depressly tur- 

 binated, blackish-brown, wrinkled in a waved man- 

 ner with strong plaits ; spire broadly conoid ; whorls 

 live to six, rather convex, the last strongly detiectcd 

 in front ; aperture large, lunar-oval ; lip simple at 

 the upper part, with the margins joined by a very 

 thin callosity, columellar margin dilated, appressly 

 reflected, flat. 



Lowe, Faun. Mader. p. 41. pi. 5. f. 5. 

 Helir Groviana, Furussac. 

 Ifelix scabra. Wood. 



Hal). Madeira. 



Remarkably sculptured throughout with very strong 

 plicated wrinkles. 



Species 832. (Mus. Cuming.) 



Helix Saclcyi. Hel. testa imperforatd, yloboso-depressd, 

 oblii/ui rnyulom, undiqne minute malleatd, albidd,fus- 

 co-maculatd, fascik anguslis castaneis ornatd; anfrac- 

 libus quinqiie, coiwexiusculis, ultimo atilici siiiito de- 

 Jlexo ; aperturd perobliqud, coarctutd, lunuto-ovali ; 

 perinlomate alio vel rosea, niarginibus subparallelis, 

 dexlru late expamo, rejlexiusculo, coluntellari dilatato, 

 iidrorsum lale tuberculalo. 



Saulcy's Helix. Shell imperforated, globosely depressed, 

 obliquely wrinkled, minutely indented throughout, 

 whitish, spotted with brown, ornamented with live 

 narrow chestnut bands; whorls live, mther convex, 

 the last suddenly deflected in front ; aperture very 

 oblique, coutracteil, luuar-ovnl ; li)) white or rose- 

 tinged, margins nearly parallel, right margin l)roadly 

 expanded, rather reflected, columellar margin dilated, 

 broadly tubercled inwardly. 



D'OuBiCNY, Moll. Canaries, p. 56. pi. 3. f. 9-11. 



Hai. Islaud of Fuertcventura, Canaries. 



Distiiiguished by a somewhat white-frcckJed appearance, 

 with the striiB forming into oblique wrinkles. 



Species 833. (Mus. Cuming.) 



Helix subplicata. Hel. testa imperfaratd, subglobosd, 

 longitudinaliter valide pliratd, epidermide luleo-fiitcd 

 vel castaned iiidutd ; spird elald, obtiud ; atifractibus 

 iribus ad quatuor, iiijlalis, rapide accrescentibiu ; aper- 

 turd ampld, subcirculari, iiifut niiidd, plicatd ; peri- 

 stomate simplici, margiiiiius fere coiitiguis, cullo leiiui 

 junctis, columellari subincrassato, dilatato. 



The suitPLiCATE Helix. Shell imperforated, subglo- 

 bose, longitudinally strongly plicated, covered with a 

 yellowish-brown or chestnut epidermis ; spire raised, 

 obtuse ; whorls three to four, inflated, increasing 

 rapidly ; aperture large, nearly circular, shining and 

 plicated within ; lip simple, with the margius almost 

 continuous, joined by a thin callosity, columelhir 

 margin Mther thickened, dilated. 



SowEiiBY, Zool. Jouru. vol. i. p. 50. pi. 3. f. 1. 



Hab. Island of Porto Sancto, Madeiras. 



An otiliquely plicated inflated slid!, witli a rather pro- 

 minent turbinated spire. 



