Tiii CONTENTS 



CHAPTER III 



Results of Salmon Marking 



Early marking operations — Modern method of marking — 

 Divided migration — Scottish and Irish records showing 

 short and long periods in the sea — Increase of weight in 

 kelts recaptured as clean fish — Significance of divided 

 migration in regulating fisheries — Salmon returning to their 

 own river — Recaptures in other rivers — Recaptures on the 

 coast — Direction of movements on coast — Kelts recaptured 

 as kelts — Spring fish marked and recaptured Pp. 56-92 



CHAPTER IV 



The Scales of Salmon as Records of the 

 Salmon's Life 



Age of salmon to be told from their scales — Progressive growth 

 of the scales — Lines of growth on scales — The spawning 

 mark — Records of marked smolts as shown on scales — 

 Records of small spring fish marked as smolts — Infrequency 

 of the spawning mark — Scales of kelt recaptured as clean 

 fish — The average number of lines added — Scales of large 

 salmon — Salmon disease — The bacillus of origin — Fungus 

 spreads quickly on dead fish .... Pp. 93-109 



CHAPTER V 



The Feeding of Salmon and Growth of 

 the Genitalia 



Absence of food in salmon taken in fresh water — Feeding habits 

 of fry — Food of salmon in the sea — Nutriment in tissues of 

 estuary as against upper water fish — Transference of 

 nutriment from muscles to reproductive organs 



Pp. 110-124 



