26 BRITISH SPORTING FISHES. 
worked down-stream until they are under the 
bank; or, if wading, until immediately below. 
As the best fish often take the fly under water, 
it often repays the angler to let the tail-fly 
sink to three or four inches, especially if a 
bumble or hackled fly. He should strike gently 
if the flies appear to stop, at any movement of the 
water, and invariably before making a fresh cast. 
The grayling has been described as the “ lady 
of the waters,” which title it well deserves. Its 
quick, silent rise is particularly graceful, though 
the elegant movements of the fish are tantalising 
enough. See the quiet, confident way in which 
it rises at natural flies, and then the disdain with 
which it treats your clumsy artifice. It will rise 
to within an inch of your “correct imitation,” 
even apparently take it, and then with a graceful 
swirl return to its resting-place. The principal 
English rivers in which grayling are found are 
the Teme, Test, Avon, Itchen, Wye, Dove, 
Derwent, Wharfe, Swale, Costa, and the upper 
reaches of the Trent. In some of these, accurate 
observations have been made of the fish in its 
relation to trout; though the question as to 
whether the two species can thrive in the same 
stream is yet far from settled. The champions 
of the grayling contend that the question is one 
cf food. Where they are introduced and the 
