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XV 
THE LOCH PROBLEM 
For some twelve years I have been trying experi- 
ments on lochs on my ground in the North of 
Scotland, and have written what follows mainly 
because I hope and believe that the result of these 
experiments may prove useful to some of those 
who love trout-fishing as I do, and have the means 
at hand, possibly without fully realising their 
opportunities, of increasing their sport and that 
of their friends. I have spent much labour and a 
good deal of money in attempting to improve the 
fishing in various lochs. In some cases these 
efforts have proved useless ; in others the labour 
and money expended in stocking the loclis and 
increasing the food supply have been altogether 
182 
