United States Department of the Interior, Stewart L. Udall, Secretary 



Fish and Wildlife Service, Arnie J. Suomela, Comnnissioner 



Bureau of Commercial Fisheries, Donald L. McKernan, Director 



ZOOPLANKTON VOLUMES OFF 

 THE PACIFIC COAST, 1958 



by 



James R. Thrailkill 



United States Fish and Wildlife Service 

 Special Scientific Report--Fisheries No. 374 



Washington, D. C. 

 January 1961 



