40 to »0 TO »Q »0 K>0 IP 



40 90 M 



»o »o aoo >0 to 10 



I- 



|:: 



i H. ll . ■ ■ .1 ■ ■ .. 1 I I ■ . I I I I . I I ■ ■ ■ 



40 M to TO 



Figtire 9« Shoiring the age composition (first three year classes only 

 are given) of 2,600 ^)ecijnens taken f^om California ssnQxLes 

 represented in figure 1* Ibe ages irere determined from scales. 



72 



