Frome I 



•i» 



Figure 4.--Prints from 16 mm. motion-picture film illustrating 

 reactions of adult red salmon in electrical field at Site No. 2. 

 Frame 1 was exposed at instant electrodes were energized. 

 Subsequent frames show action at 1/2- second intervals. Note 

 how majority of fish withinelectricalfieldare headed towards 

 positive electrode. Operation shown here was for picture- 

 taking purposes only. Collecting operation was done with op- 

 erator in knee-deep water (point A) with dip net in right hand 

 for final capture of fish. 



