Journal de CoTichyliolopie . 1872. 



PL . IV. 





"^ 



^,.j*w^^. 



K, 



AthcciI del. 



1. Auricula Grateloupi ,TournQiiër. 



2- A oblon^a, Desliajes. 



3. Cassidula umbilicala.DesKayes. 



4, Plecotrema maTÔmalis , GratclouB. 



5. Plecotrema callil)asis,Des Moulms. 



6 1- ljOurgeoiSl,Tournouër. 



7- X Blesensis .Tournoviër. 



S P D e] aunayi , Toumouèr . 



