SABLE 1. Summary of diurnal observations, Honolulu to San Francisco 
April 1966* 
Date 
it Hours 
it Miles 
H Birds 
Birds/Linear Mile 
18 April 
1.5 
16.0 
262 
16.40 
19 
10.1 
101.0 
95 
0.94 
20 
10.5 
105.0 
42 
0.40 
21 
10.0 
100.0 
26 
0.26 
22 
10.0. 
100.0 
23 
0.23 
23 
10.0 
100.0 
21 
0.21 
24 
10.0 
100.0 
13 
0.13 
25 
10.5 
105 
8 
0.08 
26 
9.8 
98.0 
24 
0.24 
27 
9.5 
95.0 
64 
0.65 
Total 
101.9 
920.0 
578 
0.63 
TABLE 2. Diurnal densities by species 
San Francisco, April 1966. 
. 
groups from Honolulu to 
Species Group 
it Birds 
Birds/ Linear mile 
Shearwater-Petrel 
311 
04.343' 
Boobies 
69 • 
0.075 
Frigates 
1 
0.001 
Terns 
147 
0.160 
Tropicbirds 
5 
0.005 
45 00 . 0^9 
yf6~ 0.633 
Miscellaneous 
