Masked Booby 
2 
Gould, 
i95r 
p. j. 
2 birds together at 1025 at one point sat together on the water. 
February 10- -Pacific Ocean, Grid Area SW Johnston Island. 
1 sub-adult bird seen at 1715 and 1737 hours. 
February 11- -Pacific Ocean, Grid Area SW Johnston Island 
1 sub-adult (collected) and 1 imm. seen today. The imm. was observed to 
dive, spiralling almost straight down from ca. 4o ! without breaking spee^L, then 
remained on water for some time. The first bird was observed to fly together with 
an Immature Red-footed Booby for some time. The Red-foot usually if not always 
followed the masked. 
Febru ary 13 
1 adult at 0924 flying RE at 30’ 
February 15 
1 adult collected at 13^-8. 
February l6--Pacific Ocean 
One adult sitting on a piece of drift wood at l8l4. 
March 3--Pacific Ocean 
One bird at 1051 in with dispersing flock of terns. 
