HELIX. 75 



Var. CYPREOPHILA, Newcomb. Fig. 30. 



Shell thiuuer, scarcely malleated, umbilicus narrowly open. 



Copperopolis and Han Diego, Cat. 



Subsection II, ODOXTURA, Crosse and Fisclier, 1872. 



H. GHIKSBREGHTI, Nyst. PI. 16, fig. 31. 



Narrowly umbilicated, striate, pilose when fresh, clu-stnut color, 

 with yellowish bauds on the upper part of the shell, the intervening 

 surface sometimes darker chestnut or nearly black ; whorls 5 ', some- 

 what convex, the last large, rounded, slightly descending in front; 

 lip white, expanded, shortly reflected, margins approaching. 



Diam. 50-65 mill. 



C/ii'ipn, Mexico; Vera Paz, Guatemala. 



There is some variation in the ground color, and number and dis- 

 position of the bands: in one variety the shell is yellowish with a 

 narrow chestnut band above, and another and wider one below the 

 periphery. 



H. EXIMIA, Pfr. PI. 16, fig. 32. 



Scarcely umbilicated, obliquely rugose and very closely granular, 

 corneous olivaceous, with five or six dark brown bands; whorls 4*>, 

 somewhat convex, rapidly increasing, the last inflated, descending 

 in front, compressly inflated round the brownish umbilical region ; 

 peristome simple, whitish, narrowly reflected, dilated over the um- 

 bilicus, which it nearlv closes. Diaui. 37-41 mill. 



> 



Guatemala, Honduras. 



Subsection III, LEPTARIOXTA, Crosse and Fischer, 1872. 



H. FLAVKSCEXS, Wiegm. PI. 19, figs. 76, 77. 



Perforate, thin, smooth, opaque, light yellowish, variegated with 

 pellucid strigations and spiral lines and a chestnut band, suture sub- 

 plicate ; whorls 4J-, scarcely convex, the last descending and subcou- 

 stricted in front ; lip white, shortly expanded, columellar mai'gin 

 nearly closing the umbilicus. Diam. 12 mill. 



Near Papantla, Mexico. 



H. BICINCTA, Pfr. PL 19, fig. 78. 



Narrowly umbilicated, thin, glabrous, pellucid, light greyish yel- 

 low, with two narrow spiral bands, the upper one chestnut color, the 

 lower one milk white, suture white-margined ; whorls 4J, somewhat 



