LÉGENDE DE LA PLANCHE 



III 









PAGES. 



1-5 Corbis montensis, Cossm 



Crand. 



natur. 



32 



6-H. Corbis transversaria, Cossm. ..... 



Grand. 



natur. 



33 



12-16. Corbula montensis, Cossm 



Gross. 



6/1. 



25 



17 20. Corbula Kœneni, Cossm 



Gross. 



3/1. 



26 



21-26. Corbula (CMMcoforèfi/ôj semirugata, Cossm. 



Grand. 



naliir. 



27 



27-32. Corbulomya amphibola, Cossm 



Gross. 



3/2. 



28 



33 36. Corbulomya cf. seminulum, Desli. .... 



Gross. 



3/2. 



28 



37-40. Corbulomya antiqua, Desh. ..... 



Gross. 



4/1. 



29 



41-46. Sphenia Duponti, Cossm 



Grand. 



natur. 



8 



47-49. Sphenia excelsa, Cossm 



Grand. 



natur. 



9 



50-51. Gobrseus (Psammotsena) cf. debilis [Desh.] . 



Grand. 



natur. 



30 



52-55. Gobraeus (Psammotsena) Duponti, Cossm. . 



Gross. 



2/1. 



31 



56-57. Diplodonta symmetrica, Cossm 



Grand. 



natur. 



36 



58-60. Diplodonta tenuis, Cossm 



Gross. 



2/1. 



37 



