SOUTHERN n 
i IV 
lh 
5-23 wanuar 
his report is based upon too q\ :.er • ons ar/i collection 
t* Southern ^rid during the pnr :o i 13-23 January 1567. The t rr 
Tow grid survey allowed for fairly pod Hd.rnal coverage in al 
directions from the central islands. As wish practically all 
the area close to the islands (esc daily Howland) received d 
coverage due to the daily or bi-da ly returns to resupply islant, 
parties (see figure 1). 
The :i: tasonian survey party 3 a cluer d chard drossin (Biolo 
Charge), nenretn ualcomb, Richard kiandler, .’rank Smith, 3 hr is a 
and * chert uxson. Balcomb, Thompson and iuxson were on Hcwlan i 
during muc.. of the survey period. The Grid Cruise was made abcar 
H.S.S. GR- R RILLS S. HALL (YAG 1*0). excellent cooperation was ■ >: 
both the officers and crew members throughout the operation. 
Giurr d observations were maintained from sunrise to sunset 
grid area except during island ladings and pick-ups. During tie 
61*6 miles and 7l*.2 hours of diurnal, observations were covered 
Gur ' this period 1*,66£ birds of 1 3 species were recorded and 12 
of two soecies were collected. 
nocturnal observations were maintained from sunset to sunris 
during island landings. During the period, 701 miles and 90.0 ho 
cover d ar.c -,366 birds of seven i ecies were recorded. Ho op o 
..as presented for nocturnal colled inp. "he vast majority of 
wore oi 
Sooty Terns with two pea* ights (17-18 and 18-19) dur. 
i 
. vo. cjt of total nocturnal sight*. ;s wire recorded. The crui«. 
zh c.:i nig. .,s was west ana northw of Howland; these were also 
hign diurnal density. On the nigr. of 16-*9 January (2100 to T'*C 
