vi PREFACE 



can only plead that for over twenty years I have been occupied 

 in supervising the salmon fisheries of Scotland, and that one 

 comes to view each individual fishing as a valuable contri- 

 butory part of a larger whole in which one's interest seems 

 never to diminish. 



W. L. C. 



SOUTH BANK, 

 EDINBURGH. 

 September, 1921. 



