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10. We have then, the COW-DUNG-FLY ; the dubbing, 

 light brown and yellow mixed ; the wing, the dark gray 

 feather of a mallard. And note, that besides these 

 above mentioned, all the same hackles and flies, the 

 hackles only brighter, and the flies smaller, that are 

 taken in April, will also be taken this month, as all browns 

 and duns : and now I come to my STONE-FLY and GREEN- 

 DRAKE, which are the matadores for trout and grayling, 

 and in their season kill more fish in our Derbyshire rivers, 

 than all the rest, past and to come, in the whole year 

 besides. 



But first I am to tell you, that we have four several 

 flies which contend for the title of the May-fly ; namely, 



The GREEN-DRAKE. 

 The STONE-FLY. 

 The BLACK-FLY, and 

 The little yellow MAY-FLY. 



And all these have their champions and advocates -to 

 dispute and plead their priority ; though I do not under- 

 stand why the two last-named should ; the first two 

 having so manifestly the advantage, both in their beauty, 

 and the wonderful execution they do in their season. 



11. Of these the GREEN-DRAKE comes in about the 

 twentieth of this month, or betwixt that and the latter 

 end ; for they are sometimes sooner, and sometimes 

 later, according to the quality of the year ; but never 

 well taken till towards the end of this month, and the 

 beginning of June. The STONE-FLY comes much sooner, 

 so early as the middle of April ; but is never well taken 

 till towards the middle of May, and continues to kill 

 much longer than the GREEN-DRAKE stays with us, so 

 long as to the end almost of June ; and indeed, so long 

 as there are any of them to be seen upon the water ; 

 and sometimes in an artificial fly, and late at night, 

 or before sunrise in a morning, longer. 



