70 Trout Culture. 



nailed or screwed firmly on, care being taken to 

 avoid leaving any aperture by which the fry can 

 escape. If the box seems to want " stiffness," 

 cross-pieces may be let in with a slight dovetail 

 where the braces are fixed to the sides on the 

 top, and this will make it a strong, sound job. 



The ends should be fitted with grooved or 

 " rabbeted " slides, and frames, covered with 

 perforated zinc or iron, closely fitted, work in 

 these, a large aperture having been cut in the 

 end board at the bottom, or the bottom plank 

 of each end may be entirely removed, a slip 

 being nailed on to the " quartering " to afford a 

 firm even bed for the slide and frame. 



The skeleton lid should be formed in lengths, 

 so *as not to be unwieldy, and be covered with 

 inch mesh wire netting to exclude enemies. It 

 may, if desired, be fitted with hasps, staples, 

 and padlocks. Before use, and whilst dry, it 

 should be dressed inside with two coats, outside 

 with one coat, of a mixture of two-thirds gas-tar 



