^^T 10,000 »s of fish 

 16 



V£J/ 



112 



j£Q 170 igo 1^5© 25^5 2i:r ^oq e 

 Fig,, 3a Favorable temperatures for eatching albacore in the Zunan 

 Area in 1930 « 8 s water tempera turs ni s number of fish caught 

 in relation to temperature at 50~100m n2 ° number of fish 

 caught in relation to- temperature at ICOm, 



X lOOffi 



O 50-lOOm 



6 .. 



180 190 20^ 215C 

 Fig. 3b Frequency (F) distribution of surface temperatures at the 

 time of '■■'... largo St. albacore eatch of each month of 1929 and 

 1930 it-"i o.he T/anazL Arsao 6 s water tempera tur-e x s F in re- 

 lation to temper-at-ore at lOOm s F in relation to the tem- 

 perature at 50=100ni 



11 



