FOOD 



ITEMS 



PERCENT 

 80 20 



ANIMALS 



Annelid 



Nereis 



sp- 



ottier 

 Mollusk 

 Pelecypod 

 M yt ilus eduiis 

 Gemma g emma 

 Myj a rena r i a 

 Other 

 Gastropod 

 H ydrobia minu t a 

 Other 

 Arthropod 

 Crab 



Small arthropod 

 Barnacle 

 Insect 



Fo ra min if era 

 Fish 

 Other 

 PLANTS 

 Algae 

 S par t ina s p . 



UNIDENTIFIEO 



STOMACHS with food 

 STOMACHS nearly empty 



FOOD 



ITEMS 



MALES 



AVERAGE 



FEMALES 



NUMBER 



MALES 



FEMALES 



Mollusk 



Pelecypod 

 My til us eduiis 

 Gemma q emma 

 M_yj a renar ia 

 Other 



Gastropod 

 H ydrobia mi nu ta 

 Other 



13.2 



12.0 



8.1 



1.4 



1.1 



1.4 



.7 



.3 



.1 



23.3 



10. 1 



.5 



8.4 



.8 



.4 



2 



.3 



2 



13 

 12 



6 

 15 



1 

 1 1 



1 



1 



17.8 

 17.2 



TOTAL NO. of CRABS 



350 



1.028 



505 



560 



Figure 8. — The average numbers of certain animals per stomach and the percentage frequency of oc- 

 currence of food item.s between tlie sexes of green crabs caught during 10o5 and 1956 (males, shaded 

 bars; females, black bars) 



EEDING HABITS OF GREEN CRAB 



197 



