180 



subverticalis , raro dilatata; apertura ovata, spiram aequans; 

 peristoma simplex, expansum. 



Typus : Cochlostyla effusa Pfr. 



9. PHENGUS Albers mscr. 



Testa imperforata, tenuis, hyalina, coneder, pyramidalis; 

 anfractus 6 plani , ultimus angulatus; columella obliqua; aper- 

 tura subrotunda, superne angulata; peristoma sublabiatum 

 rectum vel expansiusculum, marginibus fere parallelis, columel- 

 lari dilatato, excavato. 



Typus : Cochlostyla opalina Sow. 



10. CANISTRUM Pfr. 



Testa imperforata, ovato -oblonga, solidiuscula, fasciata; 

 anfractus 6 — 7 planiusculi; spira conoidea, apice obtusa; colu- 

 mella recla, rarissime torta ; apertura oblique ovata; peristoma 

 subincrassatum, breviter expansum. 



Typus: Cochlostyla luzonica Sow. 



