fo The Salmon 
gone. Our next acquaintance with them is on their return to the 
rivers as grilse and salmon. Smolts go down from the end of March 
June 1906. 
), both with their silvery coat. 
5 
10.—Loch Leven Trout (1) and Salmon Smolt ( 
RG: 

— 
lanl N 
— — 
until the middle of June, and a few stray ones a little later. No 
autumn migration takes place. This has been proved on the Tay by 
