212 helicinjE. 



internally labiate, angulately expanded, the margins wide apart, 

 the columellar slightly dilated. 



Quiniperianus, Ferus. 



Sub-gen. ^gista, Albers. 



Shell widely and deeply umbilicated ; spire slightly elevated, 

 whorls gradually increasing, the last tapering ; peristome sub- 

 labiate, shortly reflexed. 



Chinensis, Phil. oculus, Pfeiff. 



eirculus, Pfeiff. 



Sub-gen. thea, Albers. 



Shell umbilicate or perforate, lenticular or a little elevated, 

 filiformly keeled ; aperture securiform ; peristome thin and 

 rather expanded above, somewhat thickened and reflexed at 

 the base. 



acuductus, Bens. Guerinii, Pfeiff. 



anceps, Gould. Indicus, Pfeiff. 



biangulatus, Pfeiff. retiferus, Pfeiff. 



crinigerus, Bens. trichotropis, Pfeiff. 

 elegantissimus, Pfeiff. 



Genus OCHTHEPHILA, Beck. 



Shell umbilicated or perforate, trochiform or sub-discoidal, 

 rough with striae and granules ; whorls 4 8, the last keeled 

 or angulated, anteriorly suddenly deflexed ; aperture circular, 

 or binately sub - circular ; peristome continuous, very often 

 free, more or less thickened and sub -reflected, or with the 

 margins approximate and joined by a callus. 



Syn. Heterostoma, Hartm. Geomitra, Swains. Coro- 



