ILLUSTRATIONS 

 FIGURE Page 



Frontispiece: Small longline -caught yellowfin tuna from the central equatorial Pacific 



1. Fishing areas from which data were obtained 2 



2. Weight-frequency distributions of Hawaiian yellowfin, April-September 1951. ... 3 



3. Percent deviations from a 5-year average of Hawaiian yellowfin weight-frequency 



distributions for individual years (pooled samples for June-September) 4 



4. Percent deviations of Hawaiian yellowfin weight-frequency distributions for individual 



months from a 4-month nnean (June through September) averaged over 5 years 

 (1948-1952) 5 



5. Monthly weight-frequency distributions of Hawaiian yellowfin for 1949. Data tciken 



from Moore (1951:147) 5 



6. Monthly weight-frequency distributions, as percentages, of Hawaiian yellowfin grouped 



for the years 1948-1953 6 



7. Length-frequency distributions of equatorial yellowfin from 155 W. to 180 longitude 



taken during 1951-1953 7 



8. Length-frequency distributions of equatorial yellowfin from 155 W. to 165 W. longitude 



taken during 1954. 8 



9. Length-frequency distributions of yellowfin measured on Japanese mothership 



expeditions, 140 E. to 179 E. longitude 9 



10. Comparison of yellowfin size distributions from the central and western Pacific. . . 10 



