DISTRIBUTION. 197 



into and remain in this character of water. 

 If some of the fish are not shifted from time 

 to time, they will infallibly get crowded and 

 lose condition. 



Trout shifted from a hatch hole should be 

 turned in above, unless there is any strong 

 reason for not increasing the stock in the upper 

 reaches. If they are carried down stream, it 

 should be to some considerable distance. In 

 fact, although the risk of loss and expense 

 must invariably increase according to the dis- 

 tance fish are moved, it must be remembered 

 that the further they are taken from their old 

 haunts the less likely they are to find their 

 way back to them. On the question of general 

 policy when moving trout, some authorities 

 advise their being taken down stream, and 

 others that they should be carried up. From 

 careful study of the natural movements of trout, 

 it is obvious that their general habit is to work 

 up stream, and the task of counteracting in a 

 degree their natural tendency is therefore likely 

 to be more effectually carried out by conveying 

 them down stream. 



Fish in a particular length of water are some- Moving 

 times found to be almost without exception in 

 poor condition. It is not only the larger and 

 the medium-sized, but all, from the smallest 

 natural-bred yearlings of two to three inches 



