OF CONCHOLOGY. 95 



Description de deux ei<peces Fossiles appartenant aux genres 

 Scagliola et Microatelma. by o. semper. 



Scagliola Mohrensterni, Inferior Oligocene, Latdorf. 



31ic7'ostelma Bellardii, Subappinine, Asti. 



Notice sur une esj^ece du genre Limopsis. by o. semper. 



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



Bihliogrophie. 



Anna! es des Sciences Naturelles: Zoologie. IV. Paris, AuEjust, 

 I860. 



Recherches sur la Famille des Tridacnides. BY DR. LEON 

 VAILLANT. 



An extended anatomical memoir, prefaced bj a history of 

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

 a future period, refer to it more fully. 



