Frontispiece. 

Fic. 
FIG. 
* Fia. 
FIG. 
Fia. 
GONOCEPHALUM HOFMANNSEGGI 
1.—Potato Tuber showing excavations made by the beetle with eggs laid in them 
2.—Full grown larva of beetle. 
4.—Head of full grown larva enlarged. 
4.—Pupa. 
5.—Adult beetle. 
