32 



52. CYRENA DEPERDITA, Deshayes. 



Coquilles foss. Bassin de Paris 1824. 



a. Cuise-la-Motte. (Ex auctore.) 



b. Saincenny. 



c. Auvers. 



d. Beauchamp. 



53. CYRENA CRASSA, Deshayes. 



Coquilles foss, Bassin de Paris 1824. 



a. La Ferte-sous-Jouarre. (Ex auctore.) 



b. Auvers. (Ex auctore.) 



54. CYRENA BREVIUSCULA, Deshayes. 



Invert. Bassin de Paris 1857. 

 Damery. (Ex auctore.) 



55. CYRENA PISUM, Deshayes. 



Coquilles foss. Bassin de Paris 1824. 

 Houdan. (Ex auctore.) 



56. CYRENA CYCLADIFORMIS, Deshayes. 



Coquilles foss. Bassin de Paris 1824. 

 Houdan. (Ex auctore.) 



57. CYRENA OVALINA, Deshayes. 



Invert. Bassin de Paris 1857 

 Damery. (Ex auctore.) 



