78 HELIX. 



H. CLAUSOMPHALOS, Deville and Hupe. PL 18, figs. 67, 68. 



Imperforate, depressed, whitish to chestnut color, with a single, 

 narrow chestnut band visible on the spire-whorls, last whorl wide, 

 deflected anteriorly, periphery obtusely subangulated ; peristome 

 thick, reflected, expanded over the umbilicus. Diam. 29 mill. 



Huancavelica, Andes of Peru. 



H. ALSOPHILA, Philippi. PI. 17, figs. 48-50. 



Imperforate, somewhat solid, striulate, slightly transversely mal- 

 leated, shining, fulvous brown, with a chestnut band, light bordered 

 below ; peristome white, thickened, expanded. Diam. 30 mill. 



Mts. of Sta. Ana, Peru. 



H. ESTELLA, Orb. PL 18, fig. 71. 



Imperforate or perforate, thin, diaphanous, irregularly submal- 

 leately reticulated, striated or nearly smooth, yellowish brown or 

 whitish, with a narrow superior chestnut band ; whorls 4, convex, 

 the last deflected in front; peristome reflected, white, columellar 

 margin dilated and appressed above. Diam. 23-38 mill. 



Valle grande, Bolivia. 



Var. TUCUMANENSIS, Doring. 



Costulate-striate, nearly imperforate, submalleately reticulated in 

 front, convex below and lighter colored ; whorls 4?. 



Diam. 32-34 mill. 



Sierra de Tueuman. 



Subsection VII, EPIPHRAGMOPHOEA, Doring, 1875. 



H. GUYANA, Strobel. PL 19, figs. 73-75. 



Narrowly umbilicated, lenticular, carinated, rather thin, obliquely 

 plicate, suture submargined ; whorls 4, flattened, rapidly increasing, 

 the last not descending, periphery acutely crenately carinated, base 

 convex, arcuately plicate ; aperture brownish, shining, peristome 

 simple, basally shortly reflected, columellar margin dilated above. 



Diam. 14'5 mill. 



Prov. Mendoza, Buenos Ayres. 



H. HIERONYMI, Doring. 



Widely umbilicated, subcalcareous, a little shining, usually with 

 a light chestnut band, depressed, slightly convex, suture deep ; whorls 

 4?-5, convex, the last slightly descending in front ; peristome sub- 



