United States Department of the Interior, Douglas McKay, Secretary 

 Fish and Wildlife Service, John L. Farley. Director 



VERTICAL DISTRIBUTION OF ZOOPLANKTON IN THE CENTRAL 

 EQUATORIAL PACIFIC, JULY-AUGUST 1952 



By 



Thomas S. Hida 

 Fishery Aid 



and 



Joseph E. King 



Fishery Research Biologist 



Pacific Oceanic Fishery Investigations 



Special Scientific Report: Fisheries No. 144 



WASHINGTON: APRIL 1955 



