THE BIRDS OF AUSTRALIA. 
There are a number of extra-limital subspecies, but these all occur to the 
north of Australia, and it is difficult to determine the species and subspecies 
at present owing to the lack of material and the extent of the area. Recent 
workers on this fauna class New Guinea as comparable with a small rock as 
regards subspecific differentiation. The Australian subspecies are : 
Howeavis rufijrons rufifrons (Latham). 
New South Wales, South Queensland. 
Howeavis rufifrons inexpectata (Mathews). 
Victoria. 
Howeavis rufifrons intermedia (North). 
North Queensland (Bellenden Ker Range). 
Howeavis rufifrons kempi (Mathews). 
North Queensland (Cape York). 
Howeavis rufifrons dry as (Gould). 
Northern Territory. 
Howeavis rufifrons parryi (Mathews). 
North-west Australia. 
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