12 HELIX. 



neous ; whorls 5, convex, the last narrow, not descending in front ; 

 peristome acute, thinly labiate with chestnut. Diam. 6 mill. 



Ins. Cyprus. 

 H. ARROUXI, Bourg. PI. 2, figs. 81, 82. 



Umbilicated, depressed, fragile, subpellucid, thinly striulate, ful- 

 vous chestnut maculated with white, with a shining, blackish apex ; 

 whorls 5, a little convex, suture well impressed, last whorl ob- 

 scurely subangulated, base convex. Diam. 6 mill. 



JBerytus, Syria. 



Following Pfeiffer, I included this species in Patula (Vol. Ill, 

 21), but it is evidently more closely related to the present group. 



H. IMPROBATA, Mousson. PI. 1, figs. 50-52. 



Widely umbilicated, unequally, strongly striate, white, greyish or 

 with punctate corneous lines ; whorls 5, flattened above, rounded 

 below, the earlier and middle ones distinctly filosely carinated, the 

 last with the angle evanescent, irregularly deflected ; peristome 

 acute, labiate within. Diam. 13 mill. 



Around Jerusalem. 

 H. CONSPURCATA, Drap. PI. 1, figs. 53, 54. 



Narrowly umbilicated, costulate, hairy, horny ash color, minutely 

 variegated ; whorls 4-5, depressed ; peristome acute. Diam. 6 mill. 



Southern Europe, Algiers, Teneriffe. 



It is H. radiolata, Jan, and H. Sardiniensis, Porro. H. Aetncea, 

 Beuoit is a juvenile of this species. 



Var. ILLUVIOSA, Nevill. 



"An apparently constant form, differing conspicuously in the 

 character of the epidermis, and slightly in those of the shell itself." 

 No other description given. 



Mentone, France. 



Var. PSARA, Bourg. PL 3, figs. 89-91. 



Rather widely umbilicated, subopaque, dull, strongly irregularly 

 striate, earlier whorls brownish, with white maculations, last whorl 

 uniform brownish corneous ; whorls 5, rapidly increasing, the last 

 rounded, scarcely, slowly descending in front; peristome simple, 

 acute. Diam. 8 mill. 



Algiers. 

 H. LETOURNEUXIANA, Bourg. PL 3, figs. 92-94. 



Narrowly umbilicated, rather thin, subopaque, ash color with 

 chestnut maculations disposed in an interrupted spiral zone, costu- 



