UNITED STATES DEPARTMENT OF THE INTERIOR, Oscar L. Chapman, Secretary 

 FISH AND WILDLIFE SERVICE, Albert M. Day, Director 



ESTIMATION OF AGE AND GROWTH 



OF YELLOWFIN TUNA (NEOTHUNNUS 



MACROPTERUS) IN HAWAIIAN WATERS 



BY SIZE FREQUENCIES 



By Harvey L. Moore 



FISHERY BULLETIN 65 



From Fishery Bulletin of the Fish and Wildlife Service 



VOLUME 52 



UNITED STATES GOVERNMENT PRINTING OFFICE — WASHINGTON : 19 5 1 



For sale by the Superintendent of Documents, U. S. Government Printing Office 

 Washington 25, D. C. — Price_,15 cents 



