Rossmaessler, Iconograpliie, Supplemenh4,m I. 



Tafel 8. 



Kübelt deL 



Utk. Anstv Werner S:Mnter, Fra.nkfurt'^yM. 



1—3. Zonites megistttrS Rolle. — 4. 5. Corhiciila fluminalis Müller. 



