122 .' . HELIX. 



Unfigured Species. 



H. SUPRACOSTATA, Kobelt. Tetuan, Morocco. 



H. CAMERANI, Lessona. Piedmont, Italy. 



H. LENTINA, Martens. Turkestan. 



Canarian Species. 



H. HISPIDULA, Lamarck. PL 25, fig. 70. 



Narrowly umbilicated, carinate, sharply striulate, somewhat 

 hispid, brownish corneous ; whorls 5, a little convex, the last not 

 descending, the carina obtuse, not compressed or serrulate, base 

 narrowly rounded at the umbilicus; aperture oblique, the upper 

 margin of the peristome straight, basal margin a little thickened,, 

 reflected. Diam. 10 mill. 



Ins. Teneriffe and Gomera. 

 Var. SUBHISPIDULA, Mousson. 



A little more depressed and fragile, lighter colored, almost with- 

 out hairs, distinctly plicate-striate at the periphery, the carina. 

 more acute. 



Var. BERTHELOTI, Fer. 



Openly umbilicated, subopaque, brownish- or greyish-corneous, 

 with oblique thin crispate-plicate striae, hairy, whitish below, carina 

 not acute. Diam. 13 mill. 



H. AFFICTA, Fer. PI. 24, figs. 52-54. 



Narrowly umbilicated, light corneous with a somewhat acute 

 white carina, obliquely striate, sometimes a little scaly, suture 

 superficial, submargined above the carina ; whorls 6, slowly increas- 

 ing, almost flat, at first hairy-scaly, afterwards striate, last whorl 

 not descending, declining above, carina smoothish, compressed ; 

 base conically plane, strongly striate in front, angulated at the 

 white umbilicus; peristome thin, a little reflected, the margins 

 joined by a thin lamina, upper margin straight, exterior and basal 

 margins white, subreflected. Diam. 13 mill. 



Ins. Palma, Teneriffe. 



H. PLANARIA, Mousson. PI. 24, figs. 58-60. 



Flattened, subpellucid, the carina very acute, whitish ; whorls 

 and suture all plane, regularly striate, not scaly; base planely 

 conical, obtusely angulate at the moderate white umbilicus. 



Ins. Teneriffe and Palma. 



Pfeiffer considered this a variety of the preceding species. 



