97 



PUPILLAD^E. 



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. || 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 umbilicata. With a single laminar tooth 

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

 treme with a white flat reflected margin. 



Pupa umbilicata. Drap. p. 62. t. 3.f. 39, 40. 



