10 ANGLING FOR GAME FISH. 



brook, from your redd to the pond, with netting, to save the 

 fry from kingfishers, herons, &c. 



But all streams are subject to floods, and the safest way to 

 deal with the ova is to prepare a trench for them by the side of, 

 and fed by the water from, the stream. No more water than 

 can pass through the pipe which feeds the trench can then find 

 its way to the eggs. The ground-plan of a stream, pond, and 

 redd (Fig. 1) will show my meaning very clearly. The inlet 



Fig. 1. Simple Arrangement for Trout-breeding (Ground Plan). 



pipe (A) may be made of common red, Sin. drain-pipes. The 

 trench (B)* can be lined with large half drain-pipes. The outlet 

 (C) should be about Gin. wide, and open to the air. The bottom 

 of the trench, or redd, should be covered with Sin. of clean 

 stones about the size of cob-nuts, among which the fry can 

 hide themselves when first hatched. Put no screen or obstruc- 

 tion in the channel (C), but allow the fry to pass down to the 



* Allow 2 square feet for each 1000 eggs. For 15,000 eggs the dimensions 

 of redd may be 2ft. in width by 15ft. in length; or, better, 1ft. by 30ft. 



