3LACK**FOOTED ALBATROSS ( Dioiaedea nigripes ). 
LAYS AN ALBATROSS (Piomec-ea. inmutabilis) 
At-Sea Distribution and Abundance 
Hie following maps represent all At~Sea observations made by 
personnel of the Pacific Ocean Biological Survey Program from February., 
1963, through August, 1965 . 
Each square represents one days observation from the first through 
the fifteenth of the month, while each circle represents one days 
observation from the sixteenth through the thirty-first of each month. 
Humbers refer to the actual number of birds observed during the 
day. ^ 
Bed indicates the distribution of Laysan Albatross. Green (1-9 birds) 
and Blue (10-4- birds) represent the Black-footed Albatross. 
