360 



BULLETIN OF THE BUREAU OF FISHERIES 



2 70 



sso 



220 



ZIO 



/90 



^/70 



/SO 



ISO 



//O 



or life: 



Fig. 38.— Average total length (for Saginaw Bay herring taken in 1921) attained by the male 

 and female of an age group at the end of each year of life. The data are shown in Table 33. 

 , male; , female 



Table 33. — Comparative growth rate oj the two sexes of herring belonging to the same age group and 



year class 



1 Actual length when captured in November. 



