□ 1-15 l-*y 
O = 16-31 May 
© = 0 birds 
© = 1-10 " 
o = 11-25 " 
Q =26-50 » 
O =51-100 » 
=101-500" 
=500+ " 
SI -MNH-38 (8-65) 
30* 
I80 # 
170* 
CENTRAL PACIFIC OCEAN 
160* 
20 * 
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4 
1 
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MALDEN I. 
STARBUCK I. 
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500 STATUTE MILES 
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10° 
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