EXPLORATORY EXPERIMENTS IN 

 GUIDING SALMON FINGERLINGS 

 BY A NARROW D.C. ELECTRIC FIELD 



Marine Biological Laboratory 



JUL 18 ib55 

 WOODS HOLE, MASS. 



SPECIAL SCIENTIFIC REPORT-FISHERIES No. 158 



UNITED STATES DEPARTMENT OF THE INTERIOR 

 FISH AND WILDLIFE SERVICE 



