1 
*- 
- 2 - 
tggh double that of July 1964. The most outstanding variance from the 
previous July trip was the total of 188 Juan Fernandez Petrels observed 
this year as compared to none observed last year. Both P. e. externa 
and P. g. cervicalis were present; P. e>. cervicalis being approximately 
twice as abundant as P. e. externa. 
Weather conditions during the present cruise were on the whole 
favorable, but the sea was usually a bit too rough to allow the use of 
the small skiff for collecting. A fair representation of the more 
abundant species were was collected. 
TABLE 2 
SPECIES OBSERVED WITHINTHE GRID AREA 
Species 
Number 
Per linear miles 
Number collected 
Wedge-tailed Shearwater 
182 
0.257 
6 
Newell8s Shearwater 
4 
0.006 
Christmas Island Shearwater 
2 
0.003 
Juan Fernandez Petrel 
188 
0.266 
4 
Bonin Island Petrel 
136 
0.181 
2 
Dark-rumped Petrel 
1 
0.001 
Kermadec Petrel 
3 
0.004 
Red-tailed Tropicbird 
22 
0.031 
7 
l/Vhite-t&iled Tropicbird 
2 
0.003 
Sooty Tern 
490 
0.692 
11 
Grey-backed Tern 
1 
0.001 
Total Birds 
1,031 
1.456 
31 
