RACES OF HERRING, SOUTHEASTERN ALASKA 
139 
In another tagging experiment at Auke Bay near Juneau, 800 belly tags and 772 
opercle tags were affixed to spawning herring released on May 3, 4, and 5, 1933. 
Figure 10 .— Percentage age distributions of herring taken during 1929 and 1930 in some of the principal fishing grounds. 
No recoveries have been made, supporting the previous conclusion of a lack of migra- 
tion between Juneau and Cape Ommaney. 
