224 stenopidj:. 



porphyrea, Pfeiff. Sowerbyana, Pfeiff. 



rapa, Mull. stolepbora, Valenc. 



sagittifera, Pfeiff. Zeus, Jonas. 



Sub-gen. microcystis, Beck. 



Sbell small, obsoletely sub-perforated, very smooth ; aperture 

 wide, sub-vertical. 



Adamsi, Pfeiff. orbis, Beck. 



aurulenta, Beck. oruatella, Beck. 



brunnea, Anton. spectabilis, Pfeiff. 



filiceti, Beck. subtilis, Anton. 



marginata, Beck. succinea, Pfeiff. 

 misella, Ferns. 



Sub-gen. macrochlamys, Benson (Tanycblamys, Bens.). 



Shell globosely depressed, pellucid or horny ; aperture widely 

 lunate. 



calamechroa, Jonas. vitrinoides, Desh. 



Sub-gen. pachystyla, Morcb. 



Shell sub-perforate, the last whorl carinated in the middle ; 

 columella very short, vertical ; aperture wide, lunar ; peristome 

 simple, the columellar margin reflected, nearly covering the 

 umbilicus. 



Mauritiana, Lam. ochroleuca, Ferns. 



Sub-gen. cysticopsis, Morch. 



Shell imperforate, globose, shining; whorls convex, the last 

 ventricose; columella short, sub-vertical, the upper part scarcely 

 dilated; aperture large, lunately round. 



Cubensis, Pfeiff. 



