PLANCHE II 



1-2. EUCYCLUS POLYT^NIATUS, CoSStïl 2/l 



3-4. Eucyclus Emylius [d'Orb.] 2/1 



5-6. Littorina ? Chartroni, Cossm 2/1 



7-9. Calliostoma Epulus [d'Orb.] 2/1 



10-12. Risellopsis subdisjuncta, Cossm gr. nat. 



13-14. Purpurina (Eucycloidea) vend^ensis, Cossm 3/1 



15-18. Ataphrus Chartroni, Cossm 3/1 



19-20. Ataphrus deflexus, Cossm 3/1 



21-22. Pleurotomaria cf. Midas, d'Orb gr. nat. 



23-24. Pleurotomaria princeps [Koch] 2/1 



25-27. Ptychomphalus expansus [Sow.] gr. nat. 



