HELIX. 217 



slightly convex, the last slightly descending, below bifasciate; aper- 

 ture oblique, wide lunar, livid whitish within ; peristorae labiate, 

 the margins distant, nearly sub-parallel, the columella (and umbili- 

 cal tract) deep brown, subdilated basal and outer margins whitish. 

 (Crosse et Debeaux.) Diam. 19, alt. 11 mill. 



Corsica. 



May be distinguished from its allies by the regular disposition, 

 width and deep color of the bands. 



Var. SUBURBANA Paulucci. 



More convex, conic and solid, and more striate ; the last whorl 

 less globose ; aperture broader and shortened. 



Diam. 19}, alt. 13 mill. Sassari, Sardinia. 



H. OBERNDOERFERI Kobelt, 1882. PL 60, figs. 96, 97. 



Imperforate, depressed-conic, rather solid, densely sub-costate- 

 striatulate, whitish gray, with five interrupted bands or series of 

 maculations of chestnut, which are more distinct and continuous 

 toward the aperture, and marked from the upper to the lowest band 

 with clear corneous zigzags and flecks, as in If. serpentina; base 

 whitish, unmarked, or at most with a few streaks; whorls 5, convex, 

 the apex obtuse, regularly increasing, suture linear, moderately im- 

 pressed ; body- whorl scarcely dilated, subinflated, convex below, 

 and impressed in the umbilical region, deeply deflexed anteriorly ; 

 aperture ovate-rotund, deeply lunate, the margins distant, the upper 

 slightly expanded, outer a little reflexed, the basal thickened, sub- 

 dentate, scarcely dilated. (Kobelt.) Diam. 20, alt. 14 mill, 



Palma, in Mallorca, Balearic Is. 



Lacks the spot at the insertion of the columella, which is so char- 

 acteristic of H. serpentina. 



H. PUDIOSA Paulucci, 1882. PL 63, figs. 32-34. 



Imperforate, orbiculate, depressed convex, opaque, striatulate, 

 slightly malleate, white, ornamented with five interrupted brown 

 zones ; spire subprominent, apex obtuse, smooth, corneous ; whorls 

 4-1, scarcely convex, (the first slowly, last rapidly increasing), sep- 

 arated by an impressed suture ; the last subcompressed, convex be- 

 low, anteriorly toward the aperture abruptly deflexed, not dilated ;' 

 aperture oblique, ovate-oblong, whitish ; peristome lightly labiate 

 within, the margins converging, approximating. (Paulucci.) 



Diam. 16, alt. 9 mill. 



Sassari, Sardinia. 



