264 PAL^OI^TOLOGY OP NEW JERSEY. 



Family TEREDID^. 



Genus Teredo Linnceus. 



T. emacerata Whitfield E. 



T. irregularis Gahb L. 



T. tibialis Morton M. 



Family GASTROCH^NIDtE. 

 Genus Gastroch^na Spengler. 



G. Americana Gabh M. 



Genus Clavagella Lamarck. 



C. armata Morton L. 



