HELIX. 13 



late striate ; whorls 6, slightly convex, slowly increasing, the last 

 with angulated periphery, not descending in front, convex below ; 

 peristome simple, acute. Diam. 8 mill. 



Algiers. 

 H. EUSTRICTA, Bourg. PL 2, figs. 84, 85. 



Moderately umbilicated, whitish, with corneous maculations above, 

 disposed as in a serpent's skin, below all white, or with three usually 

 interrupted narrow corneous bands, closely striate above, more 

 strongly so below ; whorls 5, the last subcarinate, scarcely, slowly 

 descending in front, base convex, somewhat inflated round the um- 

 bilicus ; peristome simple, acute. Diam. 5 mill. 



Algiers. 

 H. LOCHEANA, Bourg. PL 3, figs. 95-97. 



Rather narrowly umbilicated, thin, slightly pellucid, striulate, 

 and when living clothed with very short, rigid hairs, greyish white, 

 with ashy brown flames at the suture or on the base, or more usually 

 several bands, flamed with whitish ; whorls 5, convex, the earlier 

 ones carinate in young individuals, the last large, rounded, usually 

 with a whitish peripheral band, not descending at the aperture; 

 peristome simple, acute, slightly labiate within. Diam. 5 mill. 



Algiers. 

 H. MORICOLA, Paladilhe. PL 2, fig. 83. 



Rather narrowly umbilicated, thin, fragile, with short, somewhat 

 recurved hairs, and slightly flexuous regular striae, brownish, spotted 

 with greyish white ; whorls 5, slightly convex, with well-impressed 

 suture, last whorl obtusely angulated on the periphery, base convex, 

 with white spots formed of concentric lines ; peristome acute. 



Diam. 4 mill. 



Dep. Herault, France. 



Smaller, with narrower umbilicus, deeper suture and rounder 

 aperture than H. conspurcata. 



H. INTERSECTA, Mich. PL 2, figs. 86-88. 



Narrowly umbilicated, closely costulate-striate, opaque, whitish 

 gray or dark brown, rarely unicolored, usually interruptedly banded, 

 maculated, or punctate with fulvous or chestnut color; whorls 5-6, 

 slowly increasing, the last obsoletely angulated, shortly descending 

 in front; peristome simple, chestnut- or white-lipped within. 



Diam. 8 mill. 



So. France, N. Spain. 



H. ignota, Mabille is a synonym. 



