56 

 54- 

 52 - 



50 



48 



50.8 



49.2 



3 YEAR OLDS 



50. 



51.4 Average 



56 



4 YEAR OLDS 



53.8 



53.4 



53.6 



54.5 Average 



5 YEAR OLDS 



55.2 



55.5 



55.5 



54.9 Averoge 



6 YEAR OLDS 



57.0 



^^ .M f 



57.6 



58.3 



Average 



MALES 

 FEMALES 



MAY 



JUNE 



JULY 



AUGUST 



Figure 6. --Average fork lengths by months of chum salmon sampled 

 aboard Japanese motherships in 1956. 



