Investigations on the Life-History 

 TABLE II. Continued. 



UPPER WATERS. 

 May and fame. 



July and August. 



October and November. 



From tliis Table the average percentage of fats may he calculated : 

 TABLE III. 



*The somewhat smaller percentage may be due to the more difficult extraction of fats from tin 

 ripe ova, which, after preservatiou in alcohol, become hard and difficult to reduce to a powder. 



