HELIX.— Plate CXXXVIII. 



grey, obsoletely brown-baudcd at the base ; spire 

 raised ; whorls six to seven, convex, the last keeled, 

 rather convex at the base, suddenly dellfcted in 

 front ; aperture very obliqui.-, circular, brownisli 

 within ; umbilicus puncture-like ; lip simple, conti- 

 nuous, shortly reflected. 



Lowe, Faun. Madcr. p. 50. pi. G. f. 1. 



Hab. island of Porto Santo, Madeiras. 



A small <;lobosc species, witii the whorls more or less 



strongly keeled, oblicpiely rib-like striated above the keel, 



smooth below it. 



Species 873. (Mus. Cuminj^.) 



Hemx Mi(M1.\udi. Hel. testa suhobtecti umhilicatd, rjlo- 

 buloao-conoided, rugulono-striata, nifidd, fusco-albidd, 

 fasciis casianeii omaid ; spird elevatd, obtusd ; anfrac- 

 tibiis sex, planittsculls, ultimo bast vix convexiore, antice 



non descenJente ; aperturd depreutd, laid, luiiari ; peri- 

 stomalv acuta, inlus laLialo, margiiiibui remotu, coin- 

 iiieUari brevi, suioerlicali, rejUzo, umbUicum anffu/itii- 

 simuiti legente. 



Miciiacd's Helix. Shell with a nearly covered umbili- 

 cus, globnsely conoid, rufrulosely striated, brownish- 

 wliite, onuunented with three chestimt bands ; spire 

 raised, obtuse ; whorls six, rather flat, the last rather 

 more convex at the base, not descending in front ; 

 aperture depressed, broad, lunar , lip sharp, edged 

 within, margins distant, columellar margin short, 

 subvertical, reflected, covering a very narrow umbi- 

 licus. 



Deshayes, Encyclopedic Methodiquc, vol. ii. p. 2»)3. 

 Helix bicotor, Lowe. 



Hab. Island of Porto Santo, Madeiras. 



A neatly banded conical species, closely finely rib-like 

 striated throughout. 



