84 FISH HATCHING. 



those used by Mr. Ashworth, It is made of 

 elm, oak, or deal, and is six feet long, 

 eight inches deep, twelve inches -vride, an 

 enlarged mignonette box in fact. You 

 must recollect the two requisites — a run- 

 ning stream and shallow water. You must 

 fix the box according to your locality. You 

 can place it either in a narrow, fast-run- 

 ning ditch which you know will never fail 

 you, or, better still, place it near a spring 

 where you can regulate the flow of water by 

 means of hatches, large or small. You must 

 guard both the entrance and the exit of the 

 box with a bit of perforated zinc, the holes 

 of which must be sufficiently large not to 

 obstruct the current of water ; and you should 

 also have a plate of perforated zinc fixed in 

 any convenient place, a foot or two above the 



