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6. Southern part of former South Seas Mandate 



(0°tolO°N. , 130° to 170° E.) 66 



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7. Northern part of former South Seas Mandate (10 to 20 N. , 



130° to 170° E.) 71 



8. East Philippines Sea (0° to 30° N. , 1 20° to 1 30° E. ) 73 



9. East Formosa Sea and the waters of the Okinawan archipelago 



(20°to30°N., 120° to 130° E. ) 78 



10. Western Pacific subtropical sea area (20 to 30 N. , 



130° to 180° E.) 85 



(a) 130° to 140° E. longitude 86 



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(b) Ogasawara, Volcano, and Mariana islands (20 to 30 N. , 



140° to 150° E, ) 90 



(c) East of 150° E, (20° to 50° N. ) 94 



11. Nankai sea area (30° to 35° N. , 1 30° to 140° E. ) 97 



12. Area east of the Izu Islands (30° - 35° N. , 140°- 150° E.) 102 



13. Northeastern sea area (35° N. , 140° to 150° E. ) 107 



14. Area of 30° to 35° N. , 1 50° to 180° E 118 



(a) 150° to 160° E. longitude 118 



(b) 160° to 170° E. longitude 121 



(c) 170° to 180° E. longitude 124 



15. Area of 35° to 40° N., 150° to 180° E 126 



(a) 150° to 160° E. longitude 126 



(b) 160° to 170° E. longitude 130 



(c) 170° to 180° E. longitude 132 



16. Area of 40° to 43° N, , 150°tol55°E 135 



VI. The distrilDution of the tunas and spearfishes as shown by their catch rates 136 



A. Black tuna 139 



B. Albacore 141 



C. Bigeye luna 145 



D. Yellowfin 149 



