34- SALMONIA. 



will, I believe, soon again take the artificial 

 fly. Or if the objects around him are changed, 

 as in Autumn, by the decay of weeds, or by 

 their being cut, the same thing happens ; and 

 a flood, or a rough wind, I believe, assists the 

 fly-fisher, not merely by obscuring the vision 

 of the fish, but, in a river much fished, by 

 changing the appearance of their haunts: 

 large trouts almost always occupy particular 

 stations, under, or close to, a large stone or 

 tree ; and, probably, most of their recollected 

 sensations are connected with this dwelling. 



PHYS. I think I understand you, that the 

 memory of the danger and pain does not last 

 long, unless there is a permanent sensation 

 with which it can remain associated, such 

 as the station of the trout ; and that the re- 

 collection of the mere form of the artificial 

 fly, without this association, is evanescent. 



ORN. You are diving into metaphysics ; 

 yet I think, in fowling, I have observed that 

 the memory of birds is local. A woodcock, 

 that has been much shot at and scared in a 

 particular wood, runs to the side where he has 

 usually escaped, the moment he hears the 



