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THE BIRDS OF AUSTBALIA 



flitting from one side to the other, and not at all shy of strangers. 

 It utters a cheerful note, but seems to be a solitary bird. The 

 nest is a large globular structure of moss or root-fibres, lined 

 inside with feathers, with a side entrance, and attached marvel- 

 lously to the roof of a cavern or overhanging rock. The rule 



Australian Mueeuiii. 

 Nest of Rock Warbler : Oriyitna rubricata. 



seems to be that each pair of birds has its own beat and nesting 

 ground. The eggs are pure glossy white, three in number, and 

 measure .8 x .6 inch. The only species of this strictly Australian 

 genus. 



