OF CONCHOLOGY. 95 



Description de deux especes Fossiles appartenant aux genres 

 Scagliola et Microstelma. by o. semper. 



Scagliola Mohrensterni, Inferior Oligocene, Latdorf. 



Microstelma Bellardii, Subappinine, Asti. 



Notice sur une espece du genre Limopsis. by o. semper. 



Limopsis Brocchii, Subappenine, Mt. Biancano, near Bologne. 



Bibliographic 



Annales des Sciences Naturelles: Zoologie. IV. Paris, August, 

 1865. 



Recherch.es sur la Famille cles Tridacnides. BY DR. LEON 

 VAILLANT. 



An extended anatomical memoir, prefaced by a history of 

 the family. The paper is not yet completed, and we may, at 

 a future period, refer to it more fully. 



