NATURAL HISTORY. 203 



water is too rough for grayling, and they like 

 to be nearer the deep water. Lower down 

 in the same pool there are large grayling to 

 be caught. 



PHYS. You are in the right; the fish I 

 have is a large trout at least he is not much 

 less than 21bs. I have landed him, shall I 

 keep him? 



HAL. As you please: he is as good as 

 he ever was, or ever will be in this water. 



PHYS. There are now more yellow flies 

 out than I have seen before this season. 

 They have appeared suddenly, as if sprung 

 from that large alder. Though you gave 

 us in a former conversation some account of 

 the flies used in fishing, yet I hope you have 

 not forgot your promise to favour us with 

 some more details on this subject, which, 

 both as connected with angling, and with 

 a curious part of natural history, is very 

 interesting. 



HAL. I wish it was in my power to give you 

 information from my own observation, but I 

 am sorry to say this has been very limited ; 

 and though the English are peculiarly the 



