that the increase in the size of the dominant modes (of both the even- 

 and odd-numbered years) from 1947 to 1954 is related to some other 

 change in the population. 



129 169 209 249 



WEIGHT IN POUNDS 



Figure 12. --Hawaiian bigeye tuna weight frequency 

 distributions (percentage) for December samples, 

 1947 to 1954. 



17 



