CONTENTS 



Foreword ■ ■ m 



CHAPTER I - HESTCRY OF THE UNITED STATES TUNA INTOSTRY 1 



' Description of species of tiina and tunalike fishes 2 



Alba core 7 



Bluefin ■ 8 



Skipjack ■ 8 



Yellowfin 9 



Bonito — 9 



Tellowtail 10 



Little tuna——— 10 



The United States tuna industry 11 



The California tuna fishery 12 



The Pacific Northwest tuna fishery l5 



Tuna canning on the elast Coast of the United States 18 



Tuna canning in the Hawaiian Islands 19 



Imports of tuna and tunalike fishes 1 20 



Fresh ^ 21 



Frozen ■ '■ 21 



Canned tuna in oil, or in oil and other substances 22 



Tuna canned in brine 2U 



Bonito and yellowtail canned in oil 25 



Bonito and yellowtai,! canned, not in oil 26 



Tuna fishing gear— 26 



Hook and line 26 



Trolling 26 



Live bait — • ■■ -i 2? 



Keg lines — ■- 28 



Long lines— -^ 28 



Purse seines 28 



Pound nets 29 



Haul seines 29 



Harpoons >- 29 



Tuna fishing craft • 29 



Trollers or jig boats ^ — 29 



Purse seiners- 30 



Tuna clippers- 30 



Tuna canning process and types of packs 31 



Tuna byproducts 33 



IX 



