CIRCULATION IN RELATION TO PELAGIC FISHERIES 665 



to the belt of the cold water at the depth 100 m. appearing more re- 

 markable in winter than in summer. 



In the region south from the lat. 4°N. to 3°S. we meet again the 

 saline water mass of the Central South Pacific (salinity 34.5-35.2 7oo)- 



The northern and southern boundary lines of the Equatorial 

 Counter Current (Equatorial Counter Front) lie at about 12°N. and 

 4°N., corresponding to the theoretical results obtained by Dr. K. Yo- 

 shida and others (1953). 



