;; .. - h 
Quiver's Petrol 
Uiis species decreased 72 in number from 17B in May to 50 in 
June, due undoubtedly to a localization of the species' distribution 
during breeding seascsa nearer the breeding areas. 
Red-tailed Tropicbird 
This species decreased in nmisers liQ? from 25 in Hay to 15 in 
June, As in past months, distribution of thi3 species remains rela¬ 
tively random throughout the grid area. 
* • - .* _ _ -* 1 " .if-i • . ' '* • • __ •_ _'» ^ . ,_.r . .. • t * *'■ 
Khite-tailed Tropicbird 
The 7l=f decrease in numbers from 2l| in Jfey to 7 in June can be 
accounted for to a large extent by the fact that the Kay cruise passed 
within sight of a nesting area of this species on Maui. As in previous 
months no concentrations of this species were noted. 
Blue-faced Booby 
Chly one of this species, an immature, was seen in June, at the 
southern end of the grid area, where the species has appeared in past 
cruises. 
Brown Booby 
One of this species, an adult, was observed perched on a buoy 
at the mouth of Pearl iiarbor. 
Red-footed Booby 
Due to the fact that the ship passed during darlness the area 
where the great majority of this species is usually seen, the area 
just north of Oahu, numbers decreased 9t# from 108 in May to six in 
June. These six were seen just south of Oahu. 
