ADJACENT RIVERS 59 



ton receiving their water supply from Crummock, 

 and to there being less cover and shelter for the 

 fish than formerly. 



Some years ago, Mr. Wilson, of Fairfield, Lorton, 

 had a private hatchery in his grounds and hatched 

 both Norwegian and Rhine salmon, hoping to 

 introduce an earlier run. He put some thousands 

 of fry into the Cocker, and into the Derwent at 

 Ouse Bridge as soon as they arrived at their feed- 

 ing stage, but could not perceive any change in the 

 time of the running of these fish, in either the 

 Cocker or the Derwent. He also put some thou- 

 sands of American brook trout (Salmo fontinalis} 

 into the Cocker. He heard of a good many of 

 these being taken, both in the net of the poacher 

 and by the anglers as far down as Broughton in 

 the Derwent, but the river did not seem to suit 

 them, as they failed to multiply naturally. This 

 fish is a species of char. As a pond fish it grows 

 rapidly when artificially fed, and the females have 

 lots of fine healthy ova in them. 



Permission to fish must be got from the pro- 

 prietors. 



The Marron, 



which rises near Lamplugh, used to be a famous 

 stream for sea-trout, but now it is hardly worth 

 fishing, except in a spate or fresh. 



The Greta 



is formed by the junction of the Glenderamakin 

 and St. John's becks at Bridge Cottage, near 

 Threlkeld. It flows for about 4| miles in a north- 

 westerly direction, and joins the main river near 



