I; 



A STUDY OF THE MACKERELS, 

 CYBIIDS, AND TUNAS 



^^/^y 2 2 1950 



^VOODS HOLE, M/i,i;s. 



SPECIAL SCIENTIFIC REPORT: FISHERIES No. 24 



■Ifl ' 



UNITED STATES DEPARTMENT OF THE INTERIOR 

 FISH AND WILDLIFE SERVICE 



