17 
later. The statistical relationships between the interisland and pelagic 
* 
divisions can be found in Tables 2 and 3> 6 and 7* The following diagram 
summarizes qualitatively the relative distribution tendencies by groups. 
Albatross 
• 
• 
• 
• 
X 
1 
• | 
(x) 
Shearwater 
. 
! 
X 1 
Pterodroma 
9 
x : 
Bulwer Petrel 
X 
i 
All Shearwater/Petrel 
X 
'1 
,1 
Storm Petrel 
X 
* 
• 1 
]| 
Tropicbird 
•X 
I 
Booby 
X 
Frigate 
X 
l 
Sooty Tern 
(x) 
(X) 
(X) 
f 
1 
1 
C? 
All Noddy 
X 
\ * 
Vfhite Tern 
X 
1 
% 
$ 
Strongly 
land- 
dependent 
Wore 
land 
dependent 
than 
pelagic 
. 
l\0 
signif¬ 
icant 
1 tendency 
1 toward 
1 either 
extreme 
Sore 
pelagic 
than 
land 
dependent 
Strongly 
open 
ocean- 
dependent 
1 
l i 
Interisland 
dominant groups 
! 
Pelagic | 
dominant groups i 
