WHITE-WINGED WREN. 
from the Diamantina River, Western Queensland, as it differs from the southern 
and western varieties by its strikingly lighter colour — light violet-blue or 
cornflower-blue ; it has also much more white on the wings, extending to the 
secondaries. He also notes that Macgillivray records it from further north 
on the Cloncurry (at Sedan), and these should be compared. 
Campbell stated that Carnarvon birds are paler than New South Wales 
specimens and that therefore my diagnosis of my Yule River form is wrong, 
and refers to a Cossack specimen which is lighter on the head and darker below. 
In view of Whitlock and Lawson’s notes, there is apparently great variation 
geographically in the western birds, and recently Alexander has written : 
“ On examination of 23 adult males (from W. Australia), I find that they vary 
very considerably, some being quite bright blue and others dark ; moreover, 
most of the darkest birds are from the most south-westerly part of the range 
of the species, viz., the WAngan Hills and Yandanooka.” 
At present, then, we must still hold in suspense the absolute status of 
the forms and allow 
Hallornis leuconotus leuconotus (Gould). 
Interior of South Australia ; Victoria 
(mallee). 
Hallornis leuconotus cyanotus (Gould). 
New South Wales (range unknown). 
Hallornis leuconotus diamantina (H. L. White). 
Western Queensland. 
What is meant by “ light violet-blue or cornflower-blue ” is puzzling, as these 
two colours are not exactly the same in ordinary usage. 
Hallornis leuconotus wongani subsp. nov. 
Wong an Hills. 
The darkest race of this species, and apparently all the birds from the 
south-west are very dark. 
Hallornis leuconotus exsul (Mathews). 
Interior of North-west Australia. 
Of this, perplexus may be synonymous, but this is not definitely determined, 
so that it might be best to tentatively allow 
Hallornis leuconotus perplexus (Mathews). 
Interior of West Australia. 
until we can link up with the forms from Central Australia, viz., typical H. 1. 
leuconotus. 
Again, from the extreme north-west, i.e., Cossack, another race may be 
distinguished according to Whitlock and Campbell’s notes. As to the 
correct specific name when Carter and I wrote, there was a doubt, and in 
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