196 
AMID THE HIGH HILLS 
2. The loch must not he too deep or the trout 
will not rise or will not rise well. 
This, I believe, is the cause of my failure in 
several of the lochs upon which I have been 
making experiments. As Mr. Malloch truly 
says : 
" When a loch is more than 12 feet deep the 
supply of food soon becomes scarce and the trout 
small, while shallow lochs produce plenty of food, 
therefore large trout. ... In constructing new 
lochs, one should endeavour to have as much 
shallow water as possible. . , . The best depth is 
from five to nine feet ; beyond twelve feet food 
becomes scarce and trout do not rise well in deep 
water. ' ' 
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