342 



CORAL AND ATOLLS 



Aedeiformes. 

 (6) Demiegretta sacra, Sharpe. 



Native name, Blahok. 



Exists in fair numbers, especially in Pulu Atas, where as 



Fig. 79. 



You^fG Gygis cmulkla, soon about to take its first Flight. 

 The plumage is still mottled with buff-coloured feathers. 



many as twenty may be seen fishing together. Birds in the 

 white phase and in the grey phase mix freely together ; 

 though it is said in the islands that white pair with white, 

 and grey with grey. The nest is made in the Pisonia trees, 

 and two pale blue eggs are laid. I obtained specimens in 

 January. 



