6 HELIX. 



Var. RAMBURI, Mabille. 



Somewhat larger, whitish, obsoletely fasciate with brown, irregu- 

 larly costate-striate ; whorls 5-5 , more slowly increasing, apex 

 more elevated ; umbilicus narrower. Diam. 9-10 mill. 



France, Crimea. 

 H. SUBAPICINA, Mousson. PL 1, figs. 6, 7. 



Narrowly perforate, thinly, sharply striate, greyish white, with 

 light corneous striae, bands or maculations, suture slightly impressed ; 

 whorls 4?, convex, the last not descending in front, rounded below ; 

 peristome acute, not labiate. Diam. 5 mill. 



Mogador, Morocco. 

 H. OBRUTA, Morelet. PI. 1, figs. 8, 9. 



Narrowly perforate, angulated, obsoletely striate, chalky, cor- 

 neous strigate and marbled with white, with reddish spiral lines, 

 suture impressed; whorls 5, a little convex, the last angulated 

 above, rounded below ; peristome simple, acute. Diam. 8 mill. 



Ins. Sta. Maria, Azores ; subfossil. 



H. REBOUDIANA, Bourg. PL 1, figs. 10-14. 



Narrowly umbilicated, solid, opaque, chalky, greyish white, flamed 

 with fulvous, with irregular whitish costulations ; whorls 6, slightly 

 convex, rapidly increasing, with impressed suture, last whorl di- 

 lated, rounded, convex below, descending in front ; peristome acute, 

 slightly labiate within, margins approximating. Diam. 10 mill. 



Algiers. 



Replaces in N. Africa the H. candidula of Europe. 



H. LALLEMANTIANA, Bourg. PL 1, figs. 15-17. 



Perforate, thin, a little translucent, whitish, with brownish cor- 

 neous interrupted zones above, forming irregular maculations, and 

 5-7 continuous narrow bands below, lightly costulate, suture linear; 

 whorls 6, scarcely convex above, rapidly increasing, the last sud- 

 denly, slightly deflected in front, periphery obtusely angulated ; 

 peristome acute, rosy-lipped within. Diam. 10 mill. 



Algiers. 

 H. GERYVILLENSIS, Bourg. PL 1, figs. 18-20. 



Perforate, fragile, whitish, often with three or four corneous zones, 

 obliquely costulate; whorls 6, slightly convex, suture impressed, 

 last whorl large, the periphery obsoletely angulated, not deflected 

 in front ; peristome acute, slightly labiate within, margins approxi- 

 mating. Diam. 9 mill. 



A Igiers. 



