Piate IV. 
SSS 
en OOP \) 
1, 2, Head and leg of White-faced Storm Petrel (Pelagodroma marina). 3, 4, Head and leg of 
Grey-backed Storm Petrel (Garrodia nereis). 5, Leg of Yellow-webbed Storm Petrel (Oceanites 
oceanicus). 6, Leg of Black-bellied Storm Petrel (Fregetta tropica). 7, Leg of White-bellied 
Storm Petrel (Fregettornis grallarius). 8, Bill of nestling Pterodroma. 9, Bill of nestling Puffinus. 
10, Head of Giant Petrel (Macronectes giganteus). 
