WHITE-THROATED THICKHEAD. 
soon disappear, but the brown chest band persists. The abdomen is brownish 
tinged which seems to be the coloration of the adult female. The back and tail 
are olive and the throat is heavily freckled. Some specimens, marked as 
females, have the breast and abdomen strongly tinged with yellow as are the 
under tail-coverts. These may be immature males, however, as they agree with 
others marked males. 
It may be as well to record the races of this species now recognised. 
Pachycephala pectoralis pectoralis (Latham). 
New South Wales. 
As noted above there may be more than one subspecies represented in the 
political boundaries of New South Wales. 
To the north : 
Pachycephala pectoralis ashbyi Mathews. 
Blackall Ranges, South Queensland. 
(Clarence and Richmond Rivers, N.S.W.) 
Pachycephala pectoralis queenslandica Reichenow. 
Cairns district, North Queensland. 
To the south : 
Pachycephala pectoralis youngi Mathews. 
Victoria. 
Pachycephala pectoralis glaucura Gould. 
Tasmania and Islands of Bass Straits. 
Pachycephala pectoralis bettingtoni Mathews. 
Victorian Mallee. 
Pachycephala pectoralis myponga Mathews. 
Eleurieu Peninsula, South Australia. 
Pachycephala pectoralis halmaturina A. G. Campbell. 
Kangaroo Island, South Australia. 
Pachycephala pectoralis fuliginosa Vigors and Horsfield. 
Eyre’s Peninsula, South Australia. 
Pachycephala pectoralis inter j ecta Mathews. 
Stirling Ranges, West Australia. 
Pachycephala pectoralis occidentalis Ramsay. 
West Australia (Albany to Perth). 
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