HELIX. 213 



*** 





South African Species. 



H. ROSACEA, Miiller. PI. 49, fig. 100. 



Narrowly umbilicated, partly covered, solid, obliquely striate, 

 scarcely shining, yellowish- or rosy-white or clouded with grey; 

 whorls 5, convex, the last large, inflated, minutely rugosely malleate, 

 scarcely descending in front, base convex ; aperture rosy, peristome 

 similarly colored, thick, expanded or revolute, extremities joined 

 by a brownish violaceous callus. Diain. 45 mill. 



Cape of Good Hope. 

 It is H. globulus, Var. ft. of Pfr. 



H. GLOBULUS, Miiller. PL 49, fig. 1. 



Subcovered umbilicated, rather thin, striulate, bluish gray, spire 

 becoming brownish purple towards the apex; whorls 4i, the last 

 inflated, lightly malleated, a little descending in front, compressed 

 round the umbilicus; aperture brownish purple, shining, peristome 

 shortly reflected, rubicund, with a darker parietal callus connecting 



its margins. Diam. 27 mill. 



Cape of Good Hope. 



H. lucana. Lam. (not Mull.) and H. rosacea, Jonas are synonyms. 



H. LUCANA, Miiller. PI. 49, fig. 2. 



Umbilicated, subpellucid, shining, brownish yellow above, su- 

 ture and base white; whorls 5, the upper ones planulate, the last 

 large, convex, peristome thick, reflected, margins callously joined. 



Diam. 30 mill. 



Cape of Good Hope. 

 H. lucena, Gmelin is a synonym. 



H. BULBUS, Menke. PI. 49, figs. 10-12. 



Moderately umbilicated, thin, irregularly rugosely striate, with a 

 few impressed spiral lines, white; whorls 4i, oliquely flattened, the 

 last scarcely descending, periphery rounded, base convex ; peristome 

 simple, subreflected below, thickened within. Diam. 26 mill. 



Cape of Good Hope. 

 H. ALEXANDRA Gray. PI. 49, fig. 6. 



Bimately perforate, light fulvous or whitish, minutely costulate- 

 striate above, smooth below; whorls 5, convex, the last inflated, 

 suddenly deflected in front, base deviating, forming the" rimate 

 umbilicus; aperture subcircular, peristome continuous, expanded 

 and reflected. Diam. 32 mill. 



Damara, Africa. 



