King, Warr en B . 
1964 
55 
looks at Newell’s Shearwaters. Underwing has pattern like Bonin Island 
. 
Petrel with thick black edging. "Scared" flight pattern is usually 
dragnostic, at least enought to tell one it isn’t Wedgetail. Very 
dark grey on back. Mystery Petrel above had rich dark brown cm back. 
o 
In all, a fine day with great variation and good numbers. 10 N is 
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■ 
at the edge of the equatorial counter current and the nutiients found 
in the lower part of the euphotic zone around 50°N come to the surface 
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here. More about this later. 
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March 29 — At 0015 on the 29th of March David Au caught a Storm Petrel 
* • • * . . ■'*.* • r •» *' * . . . • * ' * 
which had landed on deck during a hydro station, while the ship was 
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1 motionless, apparently blinded by the spotlight used for taking the 
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ipdro stations. After photographing the bird alive at 0900 it was collected. 
Field No. 0501. Soft part colors: bill black; legs and feet 
black; iris dark} gape coral red. It is either Har courts Storm Petrel 
J p. castro or Leaches Storm Petrel 0. leucorhoa. The latter seems the 
more probable since the white rump is nearly divided by dark 
feathers in the middle. It is presumably what we have been calling 
Har courts Type B. The wing profile and shade of brown appear to be 
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the same. 
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Started off morning with Newell's at dawn, perhaps flushed off 
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water by approach of ship. At 0644 an Albatross was seen 500+ yards 
off bow. Only the silhouette was seen, no colors or patterns. At 
0645 a non-molting Dark-rumped Petrel wbb seen looking quite normal 
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compared with the splotching Jobs of the past two days. At 0710 Sundell - 
saw a Bonin Island Petrel in cc-pany of two unidentified petrels. Sooty 
Shearwaters started at f 720 -53 probables throughout the day, heading 
