

NOAA Technical Memorandum NMFS 



This TM series is used lor documentation and timely communication of preliminary results, imtenm reports, or 

 i MMOSp^ special purpose information, and have not received complete formal review, editorial control, or detailed editing 



^^p^ JUNE 1981 



\ 



*W<* ^ 



HISTOLOGICAL GONAD ANALYSES OF LATE SUMMER-EARLY WINTER 



COLLECTIONS OF BIGEYE TUNA, Thunnus obesus , AND 

 YELLOWFIN TUNA, Thunnus albacares , FROM THE NORTHWEST 

 ATLANTIC AND THE GULF OF MEXICO 



Stephen R.J|oldberg 



and 

 Hillary Herring-Dyal 



National Marine Fisheries Service 



Southwest Fisheries Center 



La Jolla, California 92038 



\ U.S. DEPARTMENT OF COMMERCE 



Malcolm Baldrige, Secretary 



National Oceanic and Atmospheric Administration 



Dr. John V. Byrne, Administrator 







National Marine Fisheries Service 



William H. Stevenson, Acting Assistant Administrator for Fisheries 



