DE BOULOGNE-SIIR-MEB. 



135 



Trigonia 

 Trigonia 

 Trigonia 

 Trigonia 

 Trigonia 

 Trigonia 

 Trigonia 

 Trigonia 

 Trigonia 

 Trigonia 



Bolonicnsis, de L. 

 Carrei, Munier . 

 concentrica, Agassiz 

 Damoniana, de L. 

 Ferryi, M il nier, 

 gibbosa, Sow. . 

 Gtasvitlei, Munier 

 Heherli, Munier. 

 incurva, Bennett. 

 Micheloli, de L . 



Pages I 



7S , Trigonia Munieri, Hébert. 

 H6 Trigonia Pellati, Munier. 

 80 Trigonia radiala, Bennelt. 

 li Trigonia siibconceninca, Elallon 

 83 Trigonia variegata, H. Credner 

 70 Turriteila S-.Kmanni, de L. 

 78 Venus Brongniurii, A. Rœm 

 82 Venus caiidala, (ioldl'uss . 

 82 Vetius grandis, Goldfuss. . 

 li Venus Samsurii, Goldfuss 



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74 

 85 

 83 

 80 

 77 

 24 

 53 

 53 

 53 

 53 



