97 



PUPILLADiE. 



Shell turrited in a more or less cylindrical shape, and 

 ending in an abruptly obtuse manner : aperture 

 roundish-oval, mostly toothed internally, truncate 

 at the upper end, where the margin is disunited, 

 with the sides of nearly equal length. 



18. Pupa. II 19. Vertigo. 



XVIII. PUPA. 



Shell cylindrical, abruptly obtuse, the lower volution 

 not more inflated than the next : aperture semi- 

 oval, mostly toothed internally ; the peritreme in- 

 terrupted and truncate at the upper part, slightly 

 margined and reflected : operculum none. 



78. Pupa umhilicata. With a single laminar tooth 

 united to the upper angle of the outer lip : peri- 

 treme witli a white flat reflected margin. 



Pupa umbihcata. Drap. p. 62. t. 3./. 39, 40. 



