332 THE DISTRIBUTION OF AUSTRAElAN LAND-BIRDS. 



missing from area 2, the birds of North-east Australia, 

 the stronghold of the birds of the continent, would appear 

 to have had Papuasia as the main station from which 

 emigrated the bulk of our birds. Following that a second 

 and minor station appears to have come into existence, 

 which probably evolved forms from their north-east 

 ancestors, evolved in Australia, and consequently the 

 ^true Australian fauna. 



