Methods: 
In all non-grid areas two man watches were maintained from sunrise to 
sunset. Watches were discontinued when in proximity (ca 3-5 miles) to 
islands. One man nocturnal observations were taken only when time and 
conditions merited them. 
Discussion : 
To facilitate data reduction, non-grid observations have been broken 
into h sections, as follows: 
A. Oahu to SI Grid #1, via Johnston Atoll. 
1>. SI Grid #1 to Southern Grid 
0. Southern Grid to Pago Pago American Samoa and 
return to Southern Grid via the Phoenix Islands. 
D. Southern Grid to Oahu via Johnston Atoll. 
SECTION A: 
Number of Birds 
Number of Miles 
Linear Density 
Number of Species 
899 ( + 2? nocturnal) 
397 (+1*3 nocturnal) 
2.72 Birds/Mile (Diurnal) 
21j12.5/Day 
Fair weather with moderate following winds permitted generally 
good observations. Major species observed were: Common Noddy Tern 
(26%), Wedge-tailed Shearwater (2$%) , and Sooty Tern (l8£). A 
single Storm Petrel, tentatively identified as Harcouriis^was seen. 
Twenty-tour Pterodroma (lin. Dens. .060) were recorded mostly as 
single birds. Concentrations of birds were noted within 75 miles of 
Oahu, mostly as tern feeding flocks, and around Johnston Atoll as 
scattered birds. A number of orange-streamered birds were observed 
west of Johnston Atoll. 
SECTION B: 
Number of Birds 
Number of Miles 
Linear Density 
Number of species 
1,1*98 (+8 nocturnal) 
332 (+U5 nocturnal) 
U.51 (Diurnal) 
21 
Favorable weather prevailed again in this section. Sooty Terns 
comprised 67 % of the observations. The genus Pterodroma contributed 
to 31$ of the non-Sooty Tern portion of the remaining observations 
