38 



THE LIFE OF THE SALMON 



» The weight for the first septennial period is taken at 100, and for the later 

 periods as proportional parts of the first. 



There are 229,957 grilse as against 157,275 salmon. 



I have also figures for 1904, showing in like 

 manner the grilse and salmon caught on the coast of 

 Caithness in the Thurso district. In July of that 

 year there were 2032 grilse as compared with only 

 290 salmon. The Thurso is not conspicuous as a 

 grilse river. 



The seine nets worked in the narrow waters of a 

 river are more deadly engines than the fixed nets on 

 the coast — a statement which, I suppose, very many 



