z 



LU 



u 





Figure 9.- 



APR MAY JUNE JULY AUG SEPT OCT NOV 



MONTH 



-The percentage frequency of occurrence of female green crabs in the dredge catches at Plum 

 Island River and Lufkins Flat during 19.">."> and 1!>5C. 



198 



U.S. FISH AND WILDLIFE SERVICE 



