l62 



Brown Trout 



minutes she turns on her side with a flopping motion (Fig. 15S), 

 and during this time deposits the spawn. The male is generally 



Fig. 159. — Trout spawning-bcd, showini^ tlie i;iavel heaped up. 



beside her throughout the process of spawning, which usually 

 from two to tour days, according to the nature of the water 



occupies 

 and the 



