knowledge acquired by observation, how 

 to vary or change their flies according to 

 the ieafon, the hour of the day, or the 

 Hate of the water they fifh upon. This 

 is the great and mighty fecret, and I leave 

 it to them to enjoy the delulion. 



If in the courfe of my communication 

 the hints I give fhall be found by your 

 future experience worthy adoption, it 

 will be an ample gratification to me 

 to hear that you have participated in 

 the enjoyment of them. 



The difficulties of procuring and pre- 

 paring mateiials for fly-making you will 

 find in a great meafure removed, as I 

 deem it quite unncceHaiy to lead you far 

 from home to piovidc them. 



The art of pike and trout-trolling, 

 which has hitherto been fo little noticed, 

 though in point of araufement fcarcely 

 excelled by fly-fifhing, I fhall carefully 

 explain, and annex a plate to direct the 

 fize of your hooks, and give, to the beft 



A3 Of 



