WHITE-WINGED TREERUNNER. 
I am now inclined to agree with the last sentence, and here again note 
Milligan’s record of N. leucoptera from the Blackwood River, South-west 
Australia, which does not seem in order and needs confirmation by recent 
collecting. 
The forms would now be named 
Neositta leucoptera leucoptera (Gould). 
Northern Territory. 
Of this N. mortoni North is a synonym as shown above. 
Neositta leucoptera melvillensis Mathews. 
Melville Island, Northern Territory. 
Neositta leucoptera subleucoptera Mathews. 
Eastern Northern Territory and Western 
Queensland. 
Neositta leucoptera napieri Mathews. 
North-west Australia in the Coastal districts. 
Of this N. 1. broomei Mathews is a synonym. 
Neositta leucoptera rogersi Mathews. 
Interior of North-west Australia. 
More material is necessary accurately to limit the ranges of the forms. 
