30 



The Salmon 



fish are now — i st August — four years and four months old, and have been 

 in the sea two years and two months since they went down as smolts. 



< 



o 



We had no opportunity of getting more marked fish until February 

 1908. On 7th February we caught with the net a spring fish weighing 

 15 lbs. It was newly from the sea on its first return (Fig. 29). On 



