16 



FISH FARMING : 



venting fish mounting up surplus-water channels, and other 

 places where they are not wanted, is fixed. I give ai photograph 



Fig. 2. Method of Protecting Redds against Flood, e f c. 



of this contrivance, which I think explains itself. It is in use 

 at the Earl of Denbigh's fishery at Bronedd, North Wales. All 



CONTRIVANCE FOR PREVENTING FISH RUNNING UP SURPLUS 

 WATER CHANNELS, ETC. 



I need say concerning it is that it is at o'nce the most simple, 

 economical, and effective arrangement of its sort that I have 

 met with. In fixing take care that the whole body of water 

 strikes against the slanting front board, which should extend 

 below the point where the water strikes it. Should the water 

 flow ooit at E, on a level with the main stream, a screen should 



