ENGLAND'S INTEREST THEREIN. 205 



they do not produce more than about ten 

 thousand pounds per annum, if so much. 

 There is a district in Yorkshire above 600 

 miles of rivers the river Ouse, the Derwent 

 (72 miles), Swale (71 miles), Ure (61 miles), 

 Wharfe (75 miles), Nidd (55 miles), &c. These 

 are all good, pure rivers, "with fine mountain 

 streams, and extending over thousands of 

 square miles, and do not produce salmon worth 

 one thousand pounds a year, and are as capable 

 of being cultivated and rendered productive, 

 as our own river was, when we purchased it, 

 and commenced breeding and protecting the 

 fish ; but from neglect and the erection of 

 mill weirs, they have been reduced to their 

 present deplorable and unproductive con- 

 dition. If you will read the evidence taken 

 by the Commissioners, 1861, you will see 



