SUNSHINE 93 



with their heads on the reeds at the edge 

 of the loch. They can then be taken out 

 by hundreds with the hand fine fish 

 too. I now dam up the loch in early 

 summer, so that the increased volume of 

 water keeps the loch cool and fishable. 

 Temperature will, I feel certain, guide 

 investigators to lots of new knowledge. I 

 am sure, for instance, that it is simply a 

 question of shoals of herrings swimming 

 about to try and find the exact tempera- 

 ture they want to spawn in. When found, 

 they stay and spawn." 



Another interesting communication on 

 the subject of the manner in which 

 temperature affects trout in lakes reaches 

 me from Mr. Munro Edwards, and is as 

 follows : 



" Cold weather puts the trout down. 

 Therefore I have never liked an east wind 

 when fishing a lake for trout, regard- 

 ing south, or south-west, with a warmer 

 temperature, as better. There are, it is 

 true, some mountain llyns in the locality, 1 



1 Merionethshire. 



