IV. CONFERENCE ON SALMON 

 PROBLEMS. 

 David L. Belding, J. J. Cowie, 

 A. G. Huntsman, W. J. M. Men- 

 ziEs, G. Prefontaine, Edwin B. 

 Powers, Willis P. Rich, J. A. 



RoDD, Henry B. Ward 86 



Separate Biological Races 86 



Sea Habitat of Salmon 88 



Behavior of Salmon in the Sea 92 



Behavior of Salmon in the 

 River 94 



Post-smolts and Condition 

 Factor 99 



Distribution of Spawned Sal- 

 mon or Kelts 100 



Factors Affecting the Move- 

 ment of Salmon 100 



Temperature ^... 100 



Sexual Maturity 101 



Light 101 



Turbulent Currents 102 



Random Movements vs. Di- 

 rected Movement 102 



Odors 103 



Conservation 104 



Summary 106 



