3" 2° 1° 0° 1° 2° 3° 4° 5° 6° 7° 8° 9° 10° 



S— LATITUDE — N 



Figure 6. --Temperature section and yellowfin tuna catch along 150 W. 



longitude, October-November 1952. If no yellowfin were taJcen, 

 a zero is shown in the upper panel. 



10 



