F h 1 , 1 1 1 , 1 , 1 1,1 L I . I I , L 1 , 1 , 1 , 1 . 1 , 1 , 1 1 1 , L 1 1 , 1 , 1 , 1 1 M 1 1 hill 1 , 1 1 1 1 1 1 h 1 1 h 1 1 1 1 1 1 1 1 1 



IM'l'li|MMil'|i|'IM'l'r 



1 M ' 1 1 1 ' M I ' M 1 1 1 1 1 1 1 ' M 1 1 ] 1 1 ' M 1 M^ 



Figure 2. — Concentrations of 

 skipjack forage measured 

 in the second cruise period 

 of the EASTROPAC expe- 

 dition, April-May 1967, in 

 ml/ 1000 m"': (A) at night 

 stations; (B) at day sta- 

 tions. Heavy dashed lines 

 indicate positions of zon- 

 ally oriented inaxima. 



I 1,1,1,1 1.1,1, I, M.I. I, I, I, I, I, I, I Iil. l ili l il i l i hl.lilil I llllil . li l il B 



