TABLE OF CONTENTS 



L INTRODUCTION. A. G. Huntsman 

 II. ATLANTIC SALMON 13 



1. Some Preliminary Observations 

 on the Migrations of the Euro- 

 pean Salmon. W. J. M. Menzies 13 



2. The Atlantic Salmon of the Gulf 

 of St. Lawrence. David L. Bel- 

 ding 26 



Salmon Cycles 27 



Salmon Characteristics 27 



Seasonal Runs of Salmon 28 



Tagging Experiments 29 



Summary 31 



3. Migration and Conservation of 

 Atlantic Salmon for Canada's 

 Maritime Provinces. A. G. 

 Huntsman 32 



The St. John Salmon 33 



The Miramichi Salmon 34 



Relation of Salmon to River 

 Influence 36 



Passive Transportation 36 



Active Movements 39 



More Rapid Movement to Dis- 

 tant Places 41 



Movements in the River 42 



Conservation 43 



Summary 44 



III. PACIFIC SALMON 45 



1. Local Populations and Migration 

 in Relation to the Conservation 

 of Pacific Salmon in the Western 

 States and Alaska. Willis H. 

 Rich 45 



9 



Summary 49 



2. The Migration of Pacific Salmon 

 in British Columbia Waters. W. 

 A. Clemens, R. E. Foerster and 



A. L. Pritchard 51 



Methods 51 



The Migration of Spring Sal- 

 mon 51 



The Migration of Sockeye Sal- 

 mon '. 54 



Marking of Pink Salmon 55 



Marking of Sockeye Salmon ... 56 



Discussion 57 



Importance of Knowledge of 



Migration to Conservation 58 



Summary 58 



3. Factors Controlling Salmon Mi- 

 gration. Henry B. Ward 60 



The Parent Stream Theory 60 



Scale Markings 63 



Return of Planted Fish to 

 Salmon Streams 64 



Plantings of Salmon in For- 

 eign Waters 65 



Experiments in Marking 

 Young 66 



Wandering Fish 68 



Tagging Adult Salmon in Salt 

 Water 69 



Evidence of Environmental 

 Control 70 



Summary 70 



4. Chemical Factors Affecting the 

 Migratory Movements of the Pa- 

 cific Salmon. Edwin B. Powers 72 



Summary 83 



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