EXPLICATION DE LA PLANCHE IV 



1-2. Exogyra Sacyi Co&sm 1/1 



3-6. Osirea Bezieri Cossm 1/1 



7-9. Peclen Sylvestrei-Sacyi Cossni 1/1 



10. PUcatula Mcunien [de Raine] 1/1. 



11-12. Mytihts Bouaulti de Gross 1/1 



13-13. CldaiRys Bezieri Cossni 1/1 



16-19. Luielia Munieri Tourn 3/1 



20-21. Cyrena semistriata Desli 3/2 



22-21. Clilnmi/s LEiiuipeclen, grcfioriensis Cossm 1/1 



2.5-26. Callistn Sacui Cossm 2/1 



27-2S. Ijvvicardhun IDiscorsl tjaaficnsc Tourn 3/2 



29-31. Ostrea Bezieri Cossm 1/1 



32-33. Marcia (Siinilivenu-'^i teimisulcala Cossm 3/1 



3i-35. Meleciiiriiiii cl. ■'^tampineiisis [Desh.] 3/2 



