218 HELIX. 



H. VILLICA Paulucci, 1882. PI. 63, figs. 51-53. 



Somewhat umbilicated, orbiculate, depressed-convex, opaque, ru- 

 gose-striate, whitish, ornamented with four interrupted zones, formed 

 of brown maculations, spire subprominent, apex minute, mamillate, 

 violaceous ; whorls 41-5, slightly convex, (the inner regularly, last 

 rapidly increasing) separated by impressed sutures ; the last whorl 

 subcompressed, subinflated below 7 , anteriorly at the aperture sudden- 

 ly deflexed, not dilated ; aperture oblique, subcircular, the margins 

 approaching ; peristome thin, reflexed ; columellar margin dilated, 

 partly closing the umbilical perforation. (Pauhicci.) 



Diam. 19, alt. 11 mill. Sardinia. 



H. TETRAZONA Jan. PI. 64, figs. 25-27. 



Depressed, umbilicate, transversely striate, whitish, with four 

 brown zones ; aperture lunate-rotund ; peristome subreflexed, sub- 

 margined. (Christ et Jan.) Diam. 18, alt. 9 mill. 



Abruzvi. 



If. intermedia var. p, Pfr. is a synonym. 



H. STRIGATA Miiller, 1773. PL 66, figs. 92a, 92b. 



Umbilicate, depressed, white, with four chestnut bands, the upper 

 three interrupted, narrow ; upper surface striate, whorls 41, rather 

 flattened, the last deflexed anteriorly ; aperture rounded oval, ob- 

 lique ; peristoaie reflexed, sublabiate, white, the margins converging. 



Diam. 19, alt. 8* mill. 



Central Italy. 



Var. UMBRICA Charp. PL 64, figs. 30,31. 



Moderately umbilicate ; periphery subangulate ; surface strongly 

 costate. 



Umbria. 



Var. SURRENTINA (A. Schmidt) Martens. PL 65, figs. 50, 51 

 Shell almost covered perforate, subdepressed, very subtly striate, 



slightly pinkish white, with four pale chestnut interrupted bands; 



whorls 41, slightly convex, the last descending, aperture very oblique, 



oval ; peristome reflexed, patulous, sublabiate, pinkish brown, the 



margins approximating, the basal arcuate ; with a brown umbilical 



spot, (Martens.) Diam. 16, alt. 7 mill. 



Naples. 

 In part H. carseolana of authors. It is not according to Mme. 



Paulucci, the surrentina of Kobelt, (Icon, v, t. 123, f. 1172, 1173) 



which is var. fuscolabiata Rossm. 



