78 TROUT FISHING 



which the laws of nature called upon 

 them to give up during the nights ; while 

 night by night, at the same instance, the 

 shallows have had to part with nearly all 

 the warmth which sank into them during 

 the day. Consequently, although the 

 shallows continue to be warmed day by 

 day, there comes a time when even in the 

 full shine of the sun at noon they are 

 chiller than the deeps. 



That time begins about the middle of 

 April. It is then that sport along the 

 shore falls off. The trout have neither 

 ceased to feed nor become more wary. 

 They have simply sought more comfort- 

 able quarters in the deeps. 



It goes against the grain to be fre- 

 quently referring to one's own experience, 

 and in this book I strive to keep such 

 references as few as may be, making the 

 narration, as a rule, oblique ; but some- 

 times the bearing of personal witness is 

 inevitable. It seems to be so now. The 

 theory about the change in the haunts of 

 trout which has just been set forth is 



