190 HELIX. 



the aperture, base convex ; peristome obtuse, dilated, subreflected, 

 callous-lipped within. Diam. 7 '8 mill. 



Bogos, Abyssina. 

 Is H. tiliata, Morelet, not Venetz. 



H. PILIFERA, Martens. PI. 42, figs. 43-45. 



Umbilicus moderate, shell plicate-striate, with a few short hairs, 

 chestnut colored ; whorls 5, rather flattened above, at first with an- 

 gulated periphery, the last with the angle vanishing and descend- 

 ing towards the aperture ; peristome simple, dilated on the eolum- 

 lla. Diam. 14' 5 mill. 



Abyssinia. 

 H. COMBESIANA, Bourg. PL 42, figs. 46-48. 



Striae strong, plicate, with long hairs between them, arising from 

 tubercular bases ; pale brown, with a yellowish line on the suban- 

 gular periphery. 



Abyssinia. 



This is H. pili/era of Jickeli, but not of Martens, nor of Morelet. 



H. HERBINI, Bourg. PL 42, figs. 49-51. 



Narrowly perforate, thin, subpellucid, not shining, plicate-striate, 

 with close short hairs in the intervals, chestnut colored; whorls 5-6, 

 convex, slowly increasing, the last rounded ; peristome acute, mar- 

 gins remote, joined by an inconspicuous callus. Diam. 10 mill. 



Abyssinia. 



H. GALINIERIANA, Bourg. PL 42, figs. 52-54. 



Very narrowly perforate, rather thin, subpellucid, slightly shin- 

 ing, chestnut colored, plicate, with hairs between the plicae ; w r horls 

 5, the last rounded ; peristome acute, margins joined by a callus. 



Diam. 8 mill. 



Abyssinia. 

 H. FERRETIANA, Bourg. PL 42, figs. 37-39. 



Narrowly perforate, thin, diaphanous, shining, elegantly obliquely 

 striulate, corneous, with a whitish or translucent zone, sometimes 

 two or three zones, which are often interrupted ; whorls 5, periphery 

 angulated, more convex below ; peristome simple, acute. 



Diam. 11 mill. 



Abyssinia. 



*** 



H. VILIS, Pfeifler. PL 42, fig. 58. 



Umbilicated, rather thin, granularly striate, corneous; whorls 

 5, scarcely convex above, rapidly enlarging, the last deflected in 



