170 



Notes on certain Terrestrial Mollusca, 



Buccal plate abruptly arched, with one prominent central 

 proj ection. 



Lingual formula about 80 rows, 31-1-31. Plates notched at 

 their outer posterior edges, longer than wide. Central plate 

 with three minute denticles, the middle one being largest. 

 Lateral plates bidentate, the outer denticle minute. Uncini 

 irregularly dentate or notched. 



Animal (in alcohol) black. 



