54 



The Salmon 



and gives a few scoops among the gravel, turning it up with each move- 

 ment and making the water quite dirty. The spawn, which is being 



>--- r -i &^&p&&ris t 



Photo by If. Anderson. 



FIG. 45. Salmon Spawning-Bed on the Tay. 



FIG. 46. Salmon Spawning-Bed (enlarged). 



deposited all the time, falls to the bottom and is covered up with each 

 stroke. This process is renewed every five or ten minutes, the fish work- 



