13. A total of 9^ olanned tests were made in addition to a number 

 of exploratory and infornal t cjts. Contingency tests applied to the 

 data show the resulting distributions of control and sound tests to be 

 significantly different. Kovjever, at no time did a sound frequency or 

 intensity influence the action of the trout enough to be utilized in 

 guiding young salmon into safe passages around dams and diversions. 



LITERATURE CITED 



Moor ho use , V, H. K. 



1932. Do fish react to noise? Prog. Repts. Pac. Biol. Sta. 

 13, 1932. 



White J So Young 



19h7. Too much Audio. Audio Engineering, 31 (3): 31. May. 



I9U7. Quicker than the ear. Time, UU, (20): 61;. May. 



38 49369 



