154 HELIX. 



joining the basal at a more or less conspicuous angle, basal margin 

 straightened thick, adnate, appressed at its insertion, and with a 

 lamina within. Diam. 22-23, alt. lOi-11 mill. 



Environs of Telde, Ins. Grand Canary. 



H. EUCALYPTA Mabille, 1883. PI. 49, fig. 37. 



Shell subglobose depressed, imperforate, scarcely shining, corneous 

 yellowish or reddish, costulate striate, asperate with minute gran- 

 ules, five-fasciate, the upper bands maculate ; spire conic, apex 

 obtuse, more or less deeply purpled-tinted, rugose: whorls 5-5a, 

 regularly, rapidly increasing, separated by impressed sutures ; body- 

 whorl large, compressed at the suture, rounded at periphery, grad- 

 ually descending at aperture, subconstricted behind the peristome ; 

 aperture oblique, lunate, ovate-elongate ; peristome a little thickened, 

 expanded, in very old specimens very greatly thickened, and broadly 

 reflexed, margins subdistant, the outer regularly curved, joining 

 with an angle the straight basal margin, which is callous, adnate, 

 and bears a slightly thick lamina within, in old individuals much 

 thickened. Diam. 22-24, alt. 12-14 mill. 



Ins. Grand Canary. 



H. SABINIANA Mabille, 1883. PI. 48, figs. 3, 4. 



Half-covered umbilicate, depressed orbicular-convex, striate, 

 scarcely shining, asperate with granules deposited in series, rufous, 

 five-fasciate, and lineolate with white at the suture, below greenish, 

 shining, apex red, granulose, crispate, shining; whorls 5j, regularly 

 increasing, suture distinct, body-whorl large, obscurely rounded- 

 subangulate at its origin, becoming rounded, a little shortly descend- 

 ing and subcoustricted behind the peristome ; aperture oblique, 

 lunate, ovate-rounded ; peristome acute, slightly thickened, reflexed, 

 margins distant, joined by a thin callus, the outer slightly excavated, 

 the columellar concave, appressed, callously reflexed at the insertion 

 half covering the umbilicus. Diam. 23, alt. 12 mill. 



Ins. Grand Canary. 



H. ZELOTA Mabille, 1883. PL 49, fig. 30. 



Imperforate, depressed orbiculate-convex, slightly thickened, 

 solid, opaque, destitute of cuticle or lustre, dull rufous, costulate 

 striate, with granules, especially conspicuous on the last whorl, and 

 deposited in series ; spire depressed mamillate, apex large, rugose or 

 nearly smooth ; whorls 4J-5, regularly increasing, suture slightly 

 impressed; body-whorl large, a little tumid and angulate at its 



