mG The Salmon 
May 1908 and lasted till December, and their weight was from 20 to 
45 lbs. The sixth run, which begins in December 1908, will continue 
till December 1909. These will be few in number, and will weigh 
from 30 to 70: lbs. ~Whis is the! first return of all these sums of sisia 
from the sea, and none of them have yet spawned. 
From the books on the natural history of the salmon and the 
experiments at the Stormontfield Ponds, I, like most other people, 
was led to believe that grilse returned from the sea the same season 

Fic, 12.—Smolt, showing how ring is fastened in dorsal fin. When 25 lbs. this ring is 
completely filled up. 
as they went down as smolts. Mr. Brown, as mentioned in his book 
of the //zstory of Stormontfeld Ponds, marked many smolts for several 
years by cutting off the adipose fin. Many smolts were afterwards 
captured without the adipose fin, and these Mr. Brown put down as 
his marking. From a study of scales, however, I concluded that 
Mr. Brown and others were wrong in believing that smolts returned 
so soon, for I could find no scales of grilse that had not been more 
than a year in the sea; and not being satisfied with the various 
methods of marking fish, I determined to mark them in such a way 
as they would be known all through life. The cutting off of the 
