30'u|i|i|i|'|'M|i|'r'|i|Mi|i|'^Sil 



"M . I . I i 1 1 1 . 1 , h I , I I 1 1 , 1 , L I , L I I , I , I , I . I , I , I , I 1 1 1 1 1 1 , 1 , 1 , 1 I 1 1 , 1 1 1 1 1 1 1 , 1 Ill L 1 I I " 



I' 120' 110' 100' 90" 80' 



130^ 120' 



30'u|i|i|i|i]i|.|i|i|i|MTIM' 



"li lihlihlil.l.l.lihl.l,! Ll, i, 1. 1. i. 1,1.1,1,1,1,1, 



Figure 1. — Concentrations of 

 skipjack forage measured 

 in the first cruise period 

 of the EASTROPAC expe- 

 dition, February-March 

 1967, in ml /1 000 m:': (A) 

 at night stations; (B) at 

 day stations. Heavy dashed 

 lines indicate positions of 

 zonally oriented maxima. 



