^' 





.3 JDNE-JDIY 

 MAT -^2-5ctr^ 





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180° 170° ltlo° 150° 140° 130° 120^"^ 



120° E. 130° 140° 150° iSff 



?= 



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0° E. 130° 140° 150° 160° 170° 180° 170° 160° 150° 140° 130° 120° W. 



120° E. 130° 140° 150° 160° 170° 180° 170° 160° 150° 140° 130° 120° W. 



50° 

 N. 



3r 



20° 







' MAY ^*^* <^ 



[60^ 



. HAWAII 



170^ iSo' 170° 160° 150° 140° 130° 120° W. 



1 20° E. 130° 140° 150° 1( 



y 



r 



i^J- / y^ y /temper* 



, MP^>^ 6< \ 6C 



'JDNE-JDIY 



^~_ / y^ y / TEMPERATE WATERS 





jjjm/j^pj|SUITROPICAl WATERS 



Figure 17---Model of albacore migrations in the North Pacific Ocean, by age 

 groups (ages encircled) talten from figure 9 of Otsu and Uchida (1963). 



Ik 



