08uld * P. J. 
1964— -At Sea 
208 
1815- — 100 plug Sooty Tern towards Johnston 
2 Ped~footed Boobv wards Johnston 
1820 — 25 > ooty A ern 
1825— secured observations 
Sooty Terns heard in large numbers steadily through 2045 hours. 
Again at 2505, about 10 birds 
Upon leaving the dock at Johnston Island we noted a mixed flock of 
Sooty Tern end Frlgatebirds directly over Sand Island. We kept this flock 
in sigh *and noted the time when we could no longer see the birds or recognize 
them. These times were compared with the ship cherts and established 
accurate milage froi? each check point to the flock of birds. 
time 
milftfire to fldck 
remarks 
1607 
7/8 mi. 
Frigates recognizable to species 
Sr ns not recognizable to spec is 
1608 
1-J mi. 
Fingle Frigates can be seen, single terns can 
not be s en. 
1610 
1 3/8 mi. 
flock looks i- actual size 
1611 
1^- mi. ca 
cannot see Terns 
1612.6 
17/8 mi. 
Frigates barely viable 
1614 
2 -i. 
Frigates not visible 
Terns 
can be recognized 
to species at about ^ mi. 
February 1£, 1954— Pacific Ocean, Grid Area SV Johnston Island 
0555 — began watch 
birds present around bridge at 0530 and 0400 this morning 
" S *H t • 
0703— 1 Leys an Albatross E8E 
• r* . - - - rt 
0824“2 Bed-footee Booby BF i I ©a and 1 Sub adult 
0924 — 1 Masked Booby IB 30* ad* 
