THE BIRDS OF AUSTRALIA. 
started feeding ; in a very few minutes one fell over and died and immediately 
aU the Crows flew up with loud calls, and although they repeatedly returned 
to the bait none would touch it; both Hawks died.” 
Captain S. A. White has recorded this species from the Nullahor Plains, 
writing : “ Very plentiful at Tarcoola, where they ant as scavengers. Did no 
see them often in the scrub ; an odd bird or two flying over.” 
While it is obvious that this species is very distinct and easily recognisable 
in the east of Australia and by fleld ornithologists in North-west Australia, as 
above, the range of variation makes it perplexing to allot specimens from the 
coastal districts of North-west Australia, where both species of “ Crow ” are 
found. 
I have mentioned the technical history of this bird in connection with 
the previous species and we can at once set aside, as valueless, Stresemann’s 
treatment, as he shifted Moolah up to Cape York, where it does not locate. 
As a matter of fant, Australian ornithologists are quite correct in recog¬ 
nising a smaller species which occurs throughout the interior. Though we 
marked as to habits, notes, and nidification it is difficult to recognise in the 
north-west through the variation into the territory of the “ Crow.” 
It -will be best to set out three subspecies, but collection with field-notes 
of series is necessary to determine these, and no assistance can be given by 
Pakearctic workers. These are: 
Gorvus bennetti bennetti North. 
Interior of New South Wales and South 
Australia. (Probably Central Australia 
adjacent.) 
Gorvus bennetti bonhoti Mathews. 
Interior of Mid-west Australia. 
Gorvus bennetti mamgli Mathews. 
Interior of North-west Australia. 
The ranges of these forms has not been determined, and the measurements 
of G. b. marngli are almost the same as of the typical form. 
406 
