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 


Photo by H. Anderson. 
Fic, 45.—Salmon Spawning-Bed on the Tay. 
Photo by H, Anderson, 
Fic. 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- 
