92 HELIX. 



Var. ALIFAENSIS, Paul. PL 23, fig. 95. 



Large, thin, fragile, opaque, sparsely and shortly pilose; last 

 whorl inflated ; aperture wide, rounded. Diam. 29, alt. 16 mill. 



Terra di Lavoro, Italy. 

 H. ZONATA, Studer. PL 28, figs. 34-36. 



Umbilicated, olivaceous, with a chestnut band, subpellucid ; whorls 

 5 5, somewhat convex, the last descending in front; peristome sim- 

 ple, reflected below ; expanded above, margins nearly joining. 



Diam. 21 mill. 



Switzerland, Northern Italy* 

 If. ftctens, Stud., is a synonym. 



Var. MODESTA, Moquin-Tandon. 

 Lacks the band of the typical form. 

 H. ftavo-virens, Dum. et Mort. is a synonym. 



H. CONFUSA, Benoit, PL 23, figs. 98-100. 



Narrowly umbilicated, solid, opaque, striulate, granular above, 

 chestnut corneous, with a chestnut, white or yellowish margined 

 band ; whorls 5, slightly convex, the last slowly descending in front ; 

 peristome thick, flexuous, reflected, white-lipped, callous below. 



Diam. 25-33 mill. 



Sicily* 

 Mdme. Paulucci makes this a variety of H. planospirz. 



H. MACROSTOMA, Miihlf. PL 23, figs. 1, 2, 5, 6. 



Openly umbilicated, opaque, very minutely granular above, yel- 

 lowish, with a chestnut band ; whorls 5, scarcely convex, the last 

 descending in front ; peristome widely reflected, white-lipped, mar- 

 gins approaching. Diam. 29 mill. 



Sicily. 



It is H. planospira, Phil., H. pervia and H. didyma, Miihlf, H. 

 siculina and H. cryptozona (figs. 5, 6), Ziegler ; the last a smaller, 

 thinner, diaphanous form. 



Var. BENEDICT A, Kobelt. PL 23, figs. 3, 4. 



Perfectly plane above, last Avhorl abruptly descending in front 

 lurid fulvous, with long hairs arranged in quincunx order. 



H. Lefeburiana, Phil., and H. trichophora, Bourg., H. setipila, 

 Benoit (not Ziegler) are synonyms. 



Var. ERETA, Paulucci. 



Shell oval, last whorl much widened toward the aperture. 



Palermo* 



