96 HELIX. 



H. ROSSMASSLEEI. Pfr. PL 29, figs. 51-53. 



Very narrowly umbilicated, thin, yellowish above, with a single 

 chestnut band, brownish below ; whorls 4?, slightly convex ; peri- 

 stome acute, thin, reflected, margins distant. Diam. 12 mill. 



L '' / rpath ia n Mo u n i<i in s. 



Smaller than H. faustina, with narrower umbilicus and the peri- 

 stome not thickened. H. advena, Rossm. is a synonym. 



H. SCLEROTRICHA, Bourg. PI. 23, figs. 7-9. 



Very narrowly umbilicated, slightly convex above, more so below, 

 not shining, thin, a little pellucid, corneous chestnut color, lighter 

 around the umbilicus, with two lighter zones, last whorl strongly 

 striate, with erect rigid hairs in quincunx order, apex obtuse, mal- 

 leate; whorls 6, rather rapidly increasing, the last compressed 

 rounded, slowly descending in front ; peristonie whitish, slightly 

 thickened, reflected, margins remote, joined by a thin callus. 



Diam. 32 mill. 



Kabylia, N. Africa. 



It is H. schlcerotricha, Bourg. (err. evid.). 



H. PIXDICA. Bottger. PL 45. figs. 26. 27. 



Xarrowly umbilicated, depressed, thin, subopaque, reddish cor- 

 neous, with a brown supraperipheral fascia, bounded below by a 

 light tract, spire convexo-conic, depressed, whorls over 5, regularly 

 increasing, slightly convex, striulate and somewhat granulate, with 

 short, deciduous sparse hairs, last whorl subaugulate, descending in 

 front ; aperture very oblique, oval, peristorne brown, expanded, 

 dilated and reflexed at columella. Diam. 24, alt. 13 mill. 



Karawa. 



A more depressed form than H. subzonata, with wider aperture 

 and less distinctly pilose. Distinguished from Kobelt's H. Argen- 

 tellei by the much narrower umbilicus, etc. 



H. COMEPHOKA, Bourg. PL 24, figs. 22-24. 



Umbilicated, thin, subdiaphanous, fulvous, corneous, with a supe- 

 rior light chestnut baud; with erect rigid hairs ; whorls 5, somewhat 

 flattened, the last descending in front ; peristome acute, simple 

 above, reflected below, margins approaching. Diam. 27 mill. 



Morea. 



H. setipila. Bourg. is a synonym. 



