other hand, the fish may have been attracted by the 200-cycle 

 sound, and may have been attempting to find its source o 



Summary 



Ihe yellowfin in the concrete tank showed no reaction to 

 sound frequencies over a range of ^00 cycles to 70 kilocycle? 

 per seconds nor to a sound with varying frequency from 100 

 cycles to 10 kilocycles per secondo 



The yellowfin in the pond seemed to respond to certain 

 sound stimuli s but nothing definite may be stated on the basis 

 of the data now available,, 



66 



