ON THE JAPANESE BLACK TUNA 



(Thunnus orientaiis) 



Marine Biological b;, , ;u/. 



I-I B PI .«^ K. Y 



FEB 8 -mi 

 WOODS HOLE, MASS. 



SPECIAL SCIENTIFIC REPORT: FISHERIES No. 52 



UNITED STATES DEPARTMENT OF THE INTERIOR 

 FISH AND WILDLIFE SERVICE 



