SPAWNING SALMON, ^c. 8i 



caught, was in no way connected with it, having 

 a different watershed. It is as though the sahiion 

 had been carried from one heel of an enormous 

 horse-shoe round to the other heel, and then taken 

 right up into the middle of the horse-shoe and 

 there let loose. During the same season that these 

 fish were transferred, some (the exact number of 

 which will be sent me) of these marked fish were 

 caught in their own pool with the net, and one 

 by the proprietor of the fishing himself, with the 

 rod in the river near the pool. On examining the 

 map, I find that these fish must have come back 

 again to their own river, a circuit of forty miles 

 at least from the lake where they were turned out, 

 and they must have passed six or seven tributaries, 

 up which they did not ascend, although there was 

 nothing to prevent them. What was the wondrous 

 power that guided these fish back to their home ? " 

 It cannot be assumed for one moment that this is 

 a solitary instance, and therefore we must believe 

 that salmon, finding that they have run into strange 



G 



