United States Department of the Interior, Fred A. Seaton, Secretary 

 Fish and Wildlife Service 



LONGLINE AND TROLL FISHING FOR TUNA IN THE CENTRAL EQUATORIAL 

 PACIFIC, JANUARY 1955 TO FEBRUARY 1956 



By 



Edwin S. Iversen 



and 



Howard O. Yoshida 

 Fishery Research Biologist 

 Pacific Oceanic Fishery Investigations 

 Honolulu, T. H. 



Special Scientific Report--Fisheries No. 203 

 WASHINGTON: February 1957 



