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Figure 10. --John R. Manning longline fishing, 

 cruise 20, May-June. 



Figure 12. --Brothers longline fishing, cruise 2, 

 July -August. 



Figure 11. --Oceanic longline fishing, cruise 1, 

 May- June. 



of the island. On the second cruise of the 

 Commonwealth fishing was improved, with high 

 catch rates of more than 4 yellowfin per 100 

 hooks at both Christmas and Fanning Islands 

 and one low catch rate at Palmyra of 0. 6 yellow- 

 fin per 100 hooks (fig. 16). The average for 

 Fanning Island, 3.0 yellowfin per 100 hooks, 

 was only slightly higher than the average catch 

 rate for Christmas Island, 2.3 yellowfin per 

 100 hooks. 



Although it is difficult to summarize these 

 rather variable and patchy results, we believe 



Figure 13. --Oceanic longline fishing, cruise 2, 

 July-August. 



they contain two important indications. First, 

 the deep-swimming yellowfin do not appear to 

 congregate on one side of an island, leeward or 

 windward, in preference to the other; and second, 

 although the data do not permit a proper compari- 

 son of differences among islands, slightly better 

 catches were made in the vicinity of Fanning 

 Island than at Christmas or the other areas fished 

 (figs. 10, 11, 12, 16). 



