UNITED STATES DEPARTMENT OF THE INTERIOR, Oscar L. Chapman, Secretary 

 FISH AND WILDLIFE SERVICE, Albert M. Day, Director 



CONTRIBUTIONS TO THE 



BIOLOGY OF TUNAS FROM THE 



WESTERN EQUATORIAL PACIFIC 



By Bell M. Shimada 





FISHERY BULLETIN 62 



From Fishery Bulletin of the Fish and Wildlife Service 



VOLUME 52 



UNITED STATES GOVERNMENT PRINTING OFFICE • WASHINGTON : 1951 



For sale by the Superintendent of Documents, U. S. Government Printing Ofifice, Washington 25, D. C. Price 15 cents 



