135 



GENUS XII. 



BULIMIS Scopol,. 



Testa ovata, oblonga vel turrita; apertura iongitudiiialis, 

 marginibus iiiaeqiialibus, edentula vel dentata; coluniella iii- 

 tegra, extrorsum revoluta vel subsimplex; peristonia simplex 

 vel expansiim ^). 



1. ORTHOSTYLÜS 0. 



Testa iuiperforata, ovato- vel coiiico-globosa, rare elongata, 

 spira plus minusve conoidea, apice obtusa: anfractus 5, rare 6, 

 convexi, sutura distincta iuncti ; columella stricta, saepissime ver- 

 ticalis, dilatata, rare arcuata vel excavata; apertura ovalis vel 

 lunato-rotundata ; peristoma simplex, raro subincrassatuui, expaii- 

 sum vel breviter reflexum. 



«) Testa epidermide hydrophana obducta. 



