50 



40- 



30 



20- 



10- 



u 



40- 

 30- 

 20- 

 10- 





 40 

 30-1 



20- 



TRAPPED CRABS 



DREDGED CRABS 



THATCH BANK CRABS 



1 — 10 11-20 21-30 31-40 41-50 51-60 61-70 71-80 



SIZE GROUPS (mm.) 



Figure 6. — The percentage freciuency of occurrence, by 10-mm. size groups, of green crabs dug from 

 the thatch banks in the intertidal zone and dredged and trapped in the subtidal zone 

 during 1954. 



FEEDING HABITS OF GREEN CRAB 



193 



