Edwards et Bouvier 



-:i-';iDES Pl.H. 



B Meisel titti iioston 



DiPTYCHUS UNCIFF.R (1-2) DiPTYGHUS ARMATUS (3) DlPTYCHUS BUGOSUS (4-14) 

 DiPTYGHUS SPINOSUS (lS-20) DiPTYGHUS NITIDUS /21-23) 



