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

 Fish and Wildlife Service, Arnie J. Suoraela, Commissioner 



ZOOPLANKTON VOLUMES OFF THE PACIFIC COAST, 1957 



by 



James R. Thrailkill 



Fishery Research Biologist 



Bureau of Commercial Fisheries 



United States Fish and Wildlife Service 

 Special Scientific Report — Fisheries No. 326 



Washington, D. C. 

 November 1959 



