9 2 



The Salmon 



river and was caught in our nets on the 2Oth August. This fish was 

 fresh from the sea, and had sea-lice clinging to it (see Fig. 98). 



During its sojourn in the sea ten rings were added to the scale 

 beyond the kelt-grilse mark. The mortality amongst male fish enter- 



I*? 



iSih r w\v ^ \\-^ *--.= V-;.?3 



'tS^S^Vi.^' ^ % 6 years 4 ont,hs 



^Qf:-: -.^:^ x - 



: V.:. 



vx> v ;^v 



r 



4'.& 



fSsJ^ 

 g^ 



FIG. 91. 50 Ibs. loth August 1907. First return from the sen. 



ing a river must be very great, few surviving, as I must have examined 

 100,000 fish before I came across this specimen. 



The fish, Fig. 97, has sixty-four lines on its scale, making it four 

 years old, two of which have been spent in the river and the other 

 two years in the sea. This is one of the smallest spring fish I have 

 noticed in our fish-house. This scale shows exactly the same number 

 of rings as those from a fish double the weight over the same period. 



