264 PALEONTOLOGY OF NEW JERSEY. 



Family TEREDID^. 



Genus Teredo Linnceus. 



T. emacerata Whitfield E. 



T. irregularis Gabb L, 



T. tibialis Morton. . > . . M. 



Family GASTROCH^NID^. 



Genus Gastroch^xa Spengler. 



G. Americana Gabb M. 



Genus Clavagella Lamarck, 



C. armata Morton L. 



