HELIX.— Plate CXXXVIl. 



The i.itti.e disk Helix. Shell umbilicated, depressed, 

 granulated, brownish-white, banded and variegated 

 with purple-brown ; whorls seven to eight, tiatly 

 convex, the last sharply keeled ; aperture nearly cir- 

 cular ; lip a little expanded, margins approximating, 

 joined by a thin callosity. 



Lowe, .Vnn. and Mag. Nat. Hist. 1851, p. 117. 



Hu/i. Island of Porto Santo, Madeiras. 



It may be doubled whether this is anything more than 

 a variety of H. polymorphu. 



Species 863. (Mas. Cuming.) 

 Heli.x t.ioniata. Hel. testa umbilicatd, depressd, sublus 



cotwexiuscuUI, granulald, subcinered, fascia supra unicd 

 fusco-purpured, margine laceratd, sublus inteffrd, la- 

 tiore ; anfrarfiius septem ,■ aperturd orbiculari, con- 

 tinud ; peristomate libera, rrasniiisculo, viz revoluto ; 

 umlnlico magna, profundo. 



The filleted Helix. Shell umbilicated, depressed, 

 rather convex and granulated beneath, pale ash-colour, 

 with a brown-purple band above, broken at the edge, 

 and a broader entire one beneath ; whorls seven : 

 aperture orbicular, continuous ; lip free, rather thick, 

 scarcely turned back ; umbilicus large, deep. 



Webb and Behtuelot, Syno|)si«. p. 321. 



Hub. Canary Islands. 



Very closely allied also to H. polymorpha. 



