LIFE HISTORY OF LAKE HERRING OF LAKE HURON 



351 



Table 29. — Frequency dislrihution of Saginaw Bay herring according to length and age group 

 [Dates refer to year of capture and roman figures to year of life] 



Tobico and Nayauquing samples combined. 



' Gravelly Point herring. 



' Au Ores herring. 



