CO 



o 



o 



CO 



LU 

 CO 



z 



500- 



400 



200- 



100 



:5 Y.c. 



— 700 



X 



CO 



600 



500 



400 



300 



200 



100 







SAN FRANCISCO 



1940-41 



.mil 





39 38 37 36 35 34 33 32 31 30 29 28 



1941-42 



«~^F1 



Y.C. 40 39 38 37 36 35 34 33 



AGE 01 23456789 10 11 12 



Figure 3.--Catch in millions of fish, by age and year class, for San Francisco for tfie 

 seasons 1940-41 and 1941-42. 



