2S6 pupinin^e. 



Genus ANAULUS, Pfeiffer. 



Shell pupiform, umbilicated, covered with a thin, horny 

 epidermis ; whorls gibbous, longitudinally very finely 

 ribbed; aperture circular; peristome continuous, double, 

 the inner straight and slightly notched posteriorly, the outer 

 reflexed, entire in front, and with a tubular opening or 

 spiraculum at the suture. 



Ex. A. bombycinus, Pfeiffer, pi. 86, fig. 3. 



The shell, on which this genus is established, is from 

 Sarawak, in the Island of Borneo, and is remarkable for 

 the tubular canal round the suture and which opens on 

 the peritreme, at the upper margin. 



Genus pupinella, Gray. 



Operculum horny, orbicular, multispiral. 



Shell ovate, covered with a thin, horny epidermis ; aper- 

 ture circular ; peristome reflexed, thickened, with a groove 

 on the inner side of the front near the axis; columellar 

 margin of peristome posteriorly canaliculated, and with 

 another canal at the insertion of the right edge. 



Ex. P. pupiniformis, Sowerby, pi. 86, fig. 4. Oper- 

 culum, P. grandis, Forbes, fig. 4, a, 4, b. 



Several species are known from the Islands of Luzon and 

 Mindoro, and from the Louisiad Archipelago. 



Species of Pupinella. 



grandis, Forbes. Mindorensis, Adams and 



huniilis, Jacq. Reeve. 



pupiniformis, Sow. 



