FOOD 



ITEMS 



PERCE 

 80 



ANIMALS 

 Annelids 

 Nereis 



sp. 



PLUM ISLAND RIVER 



UNIDENTIFIEO 



Stomachs with food 

 Stomachs nearly empty 



LUFKINS FLAT 



MORNING CRABS | 

 AFTERNOON CRABS I 



Figure 7. — The average numbers of certain animals per stomach and the percentage frequency of occur- 

 rence of food items in green crabs dredged in the morning (shaded bars) and afternoon (black 

 bars) during 1956 at Plum Island River and Lufkins Flat. 



194 



U.S. FISH AND WILDLIFE SERVICE 



