ON THE JAPANESE BLACK TUNA 



(Thunnus orientalis) 



) Marine Biological Lao. .t^,, 



L I B it ^A. £t ■V 



FEB 8-196) 



WOODS HOLE, msS. 



SPECIAL SCIENTIFIC REPORT: FISHERIES No. 52 



UNITED STATES DEPARTMENT OF THE INTERIOR 

 FISH AND WILDLIFE SERVICE 



