United States Department of the Interior 

 Oscar L. Chapman, Secretary- 

 Fish and Wildlife Service 

 Albert M. Day, Director 



Special Scientific Report - Fisheries 

 No. A3 



JAPANESE TUNA SURVEYS IN TROPICAL WATERS 



Translated from the Japanese language by 



W. G. Van Campen 



Pacific Oceanic Fishery Investigations 



CONTENTS 



Page 



1, On the search for southern tuna fishing grounds, By 



Yoshinori Ban, Technician at the Fisheries Experiment 



Station of the South Seas Government-General 1/ 1 



2. Tunas and spearfishes, By Hiroshi Nakamura 2/ 13 



1/ South Sea Fisheries /~Nanyo Suisan_7, Vol, 7, No. 9, pp. 10-21 

 Published by the South Seas Fisheries Association, Inc. / Shadan 

 Hojin Nanyo Suisan Kyokai_7 Sept. 25, 194-1. 



2/ From Science of the Seas / Kaiyo no Kagaku_/, Vol. 3, No. 10. 

 October, 1943. 



