PLATE III. 
868. 
USSaBoaik. 

FIG. 1.—A DREDGE BOAT. 

5 I Sa a 
=. 
Ss 
NS 
* 
‘ 
. 
y 

FIG. 2.—A DREDGE USED IN VIRGINIA FOR TAKING HARD CRABS DURING 
THE WINTER. 
