1 — I — I — I — I — r 



1 — I — \ — r 



"1 — I — r 



939 



MAR. 



APR. 



I I I 



8 13 18 23 28 33 38 43 48 S3 58 63 60 73 78 63 88 93 98 103 108 



MARGINAL INCREMENT, MM. 



SOUTHERN CALIF. 



CENTRAL CALIF. 



C.V.R 



Figvire 6. Comparing the widths of neirginal increments in scales of 

 fish from southern California with those ftrom central California. 

 Dimensions as in figure 5» 



69 



