66 Investigations on the Life- History 



TABLE III. 



Showing Average Weight per Fish of Standard Length of Upper- Water 

 Snlmon : 



*One fish. 



TABLE IV. 



Showing Average per Fish of Standard Length of all the Rivzrsfrom 

 Tables II. and III : 



(b) Muscle. 



3. Fish coming to the mouth of the river have, in July and August, 

 a slightly greater amount of muscle, per fish of standard length, than 

 fish in May and June, and a distinctly greater amount than fish in 

 October and November. 



TABLE V. 



Showing Average Weight of Muscle per Fish of Standard Length from 

 Estuaries : 



* Single fish. 



In July and August there was a rise of 10-8 per cent, in the weight 

 of muscle as compared with May and June ; and a fall of 8'5 per cent, 

 in the October and November fish compared with the mean of the fish 

 from May to August. 



