164 Brown Trout 
of a mole’s hillock (Fig. 159). While the female is spawning the male 
keeps guard, and if any intruders come up from behind, as they usually 
July 1900. 
Fic. 161.—1-lb. Loch Stattel Trout, Sutherland. 

do, he turns round and rushes after them. Quite small trout are often 
seen behind the spawning-bed picking up the spawn that remains un- 
covered by the gravel. Trout after spawning become kelts (Fig. 160), 
