ILLUSTRATIONS (continued) 

 Fip-,ure Page 



8 Usual positions of fishermen and equipment during, 

 hauling operationo ,oo.ooo....ooo., ..o„oo«.«...oc,.i> 12 



9 Location of stations. Smith cruises 5^ 7, and lie 

 (Insert - Enlarged station plan for Smith Cruise 

 5o The dashed lines in the insert indicate the 

 relation of the line to Canton Islando ) oo , 14 



10 Catches of tuna for Smith cruises 5, 7, and Ho 

 The bar graphs represent tuna catch rates, yellov-— 



fin shown in black, other tunas in v/hitec o.o,...o 15 



11 Vcirtical distribution of the isotherms at stations 

 1 through 12 and 23 through 28 during Smith Cruise 

 11. Yelloivfia tur^a catches are indicated in the 



12 Vertical distribution of the isotherms at stations 

 27 through 35 during Sirdth Cruise 7„ Yellowfin 



tuna catches are indicated in the lower panelo oo. 17 



13 Vertical distribution of the isotherms at stations 



9 through IS during Smith Cruise 7o Yelloivfin tuna 

 catches are indicated in the lower panelo . o = = .<.. . 18 



14 Amount of zooplani:ton and catch of tuna along 150** 

 ''■''i, longitude s Smith Cruise Ho Unpublished plankton 

 data furnished by J, E, Kingo o . » o .. . . . o » . o „ o » , . « o . 20 



15 Upper panel = size distribution of yellowfin turja 

 taken at station 17^ Lower panel - size distribu- 

 tion of ^rellovrfin tuna taken at stations 16 and 



18, Smith Cruise Ho The weights are in pounds and 



the number r:iven is the lower limit of each classo . 22 



