THE APPEARANCE OF FLIES, ETC. 



IN the sober colouring of the typical, and regular 

 fly food of trout, there is something of that which is 

 known as obliterative colouring. Sharp contrasts in 

 colour are not common in these insects. The tell- 

 tale effect of light and shade is neutralised. 



Seen from below, on the surface film of the water, 

 insects certainly show yery little of the colour which 

 is to be seen when they are laid out on a sheet of 

 paper. They probably only appear to the trout as 

 ghostly images of flies. Except from an advan- 

 tageous position on the part of the trout immediately 

 below the fly, they will not readily be seen at all. 

 When trout are " on the feed," and near the top of 

 the water, natural flies are more easily seen, and 

 artificial flies much more readily taken. A fly 

 making a great fuss to get off the water, immediately 

 attracts attention, and may bring trout up from a 

 greater depth of water. Movement is undoubtedly 



the great revealer. A perfectly still object may 



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