FLIES 49 



past utterly unheeded, as often they are known 

 to do, and as we have often seen them do ? 

 At other times they rise and miss the flies 

 time after time. Some one (is it Theak- 

 stone ?)says the 'Yellow Sally' is 'bitter, and 

 trout don't like them/ We never eat any 

 ourselves. Certain it is ' Yellow Sally ' or 

 its imitations not very often proves accept- 

 able, but there are few rules without the 

 exceptions that prove them ; and we have 

 filled a basket almost entirely with ' Yellow 

 Sally/ once on the Ythan, and once also 

 with the ' Grannom ' l on the same stream 

 or at least with the fly nearest to it which 

 we had in our book when it came on, at 

 other times with ' Yellow Sally ' on the stream 

 not a trout moved at them, but the ' little 

 iron dun ' killed. The trout were not touch- 

 ing the natural floating 'Yellow Sally/ In 

 this connection we desire to call attention 

 to a small array of facts placed here in 

 tabular arrangement, 2 by which we try to 

 compare the colours of the spectrum or 

 rainbow colours, the fixed colours of Hay, 



1 We never saw the Grannom on Ythan before or since 

 that occasion. - V. p. 53. 



D 



