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struction and easy of management, it is par excellence 

 the system for beginners. 



It consists of a long deal box or trough, fitted as 

 shown by the accompanying illustration (fig. 8). All 

 the interior parts of it which will come in contact with 

 the water are carefully charred with a hot iron to 

 prevent the growth of fungus ; and this carbonising 

 process is repeated every year. 



The size of your boxes will of course be regulated 

 by the scale on which your operations are to be con- 

 ducted. An amateur making his first experiments in 

 trout culture may perhaps be content with a small 

 model 3 ft. 6 in. long, by 10 in. wide, by 6 in. 

 deep, with two compartments, as shown in the illustra- 

 tion (fig. 8). A hatching-box even of these modest 

 dimensions has often shown very creditable results 

 in the hands of a beginner. Of course you are not 

 limited to a single box. A series of them can easily 

 be arranged, one a few inches below the outlet 

 of another, in such a way that the water circulates 

 through every box. Near the top of the upper end of 

 the box a hole is bored, through which the supply-pipe 

 is introduced. Parallel with the upper end and two 

 inches distant from it is inserted a crosspiece, or 

 watertight partition, rising four inches in height from 

 the bottom which serves the purpose of a breakwater. 



