180 HELIX. 



ous ; whorls 5, a little convex above but flattened, last whorl large, 

 scarcely descending in front, periphery obtusely angulated, base 

 convex ; peristome simple, acute, extremities approaching, con- 

 nected by a very thin callus. Diam. 7 mill. 



Algiers, Tunis. 



H. MALASPIN.E, Bourg. PL 40, figs. 59, 60. 



Perforate, subpellucid, somewhat hispid, rugose, chestnut color, 

 with faint whitish strigations ; whorls 5, convex, with deep suture, 

 last whorl a little angulate on the periphery, slightly descending in 

 front ; peristome acute, margins approximating. Diam. 6 mill. 



Tunis. 



H. TENIETENSIS, Bourg. PL 40, figs. 56-58. 



Narrowly umbilicated, thin, pellucid, strongly striated, shortly 

 pilose, uniform corneous or obscurely . flamed, and zonulate below, 

 apex lighter ; whorls 5, slightly convex, with impressed suture, the 

 last not descending ; peristome simple, acute. Diam. 7 mill. 



Algiers. 



H. LANUGINOSA. Boissy. PL 40, figs. 50, 51. 



Perforate, yellowish corneous, hispid, opaque; whorls 5 i, a little 

 flattened ; peristome subpatulous, acute, slightly labiate within. 



Diam. 14 mill. 



Majorca; Algiers. 



H. flava, Terver, and H. roseotincta, Forbes, are synonyms. 



H. CORSICA, Shuttl. PL 40, fig. 61 ; PL 41, figs. 92-94. 



Narrowly perforate, striate, slightly subhispid, obscurely angu- 

 lated, thin, subpellucid, brownish or yellowish corneous, not shin- 

 ing ; whorls 5, regularly enlarging ; peristome acute, simple, colu- 

 mellar lip half covering the perforation. Diam. 15 mill. 



Corsica, Sardinia. 



H. REVELATA, Fer. PL 41, figs. 80-82, 89-91. 



Perforate, depressed globose, thin, diaphanous, shining, greenish 

 corneous, slightly striate and sub corrugated, with short, sparse, 

 rather rigid hairs ; whorls 4, convex, rapidly enlarging, the last 

 inflated. Diam. 7 mill. 



France, Guernsey, Jersey. 



Var. OCCIDENTALS, Recluz. Figs. 89-91. 



Bimately perforate, greenish yellow, sometimes with two brown 

 zones, rugulosely striate, hispid; whorls 4J-5, convex, the last 



