United States Department of the Interior. Douglas McKay, Secretary 

 Fish and Wildlife Service, Albert M. Day, Director 



DIRECTING THE MOVH-IENT OF FISH WITH ELECTRICITY 



by 



Albert on L. McLain 



Fishery Research Biologist 



Great Lakes Fishery Investigations 



and 



Willis L. Nielsen 



Electronic Engineer 



Cook Research Laboratories 



Special Scientific Report: Fisheries No. 92, 



