Birds of Kerguelen Island, 



25 



while on the wing, the band across the chest shows several 

 variations in depth of colour. 



OssiFRAGA GiGANTEA (Gm.) ; Salvin, Cat. B. xxv. p. 422. 



My best opportunities of watching the Giant Petrel were in 

 the rookeries (see fig. 2), and on the feeding-grounds newly 

 provided for it by the carcasses or seais w^hich were lying about. 

 They soon detect these, and assemble a few hundred yards away 



Fi-. 2. 



Rookery uf Os^ifraya (jiijuntea in Azoretla. 



on the water, afterwards approaching singly, little by little, 

 with due caution. They seem to feel safer with both wings 

 held in a crescent form, for they can thus sooner get away \uth 



