'I. I. ill. Ill I 1-lil I l,M,l,l.liM.lihl 1,1 Ii hh li hj i j i l ili l il t 



30'U|MMMi|ilMiM|ipV'' 



f: 1,1,1,1,1,1,1,1,1,1,1,1, 1,1 1,1,1,1,1,1 iii,l,i,iiiiiil liiilihiiiiiilii iil^ 



130* 120* 110" 100' 90' 80* 



Figure 6. — Concentrations of 

 skipjack forage measured 

 in the sixth cruise period 

 of the EASTROPAC expe- 

 dition, December 1967- 

 January 1968, in ml 1000 

 m": (A) at night stations; 

 (B) at day stations. Heavy 

 dashed lines indicate posi- 

 tions of zonally oriented 

 maxima. 



10 



