THE BIRDS OF AUSTRALIA. 
1908; Campbell, Emu, Vol. VIII., p. 143, 1909 (W.A.) ; Whitlock, ib., p. 181 
(WA.) ; Campbell, ib., Vol. XVIII., p. 3, 1918 (N.T.). 
Gymnorhina albicruralis Degen, Emu, Vol. III., p. 207, April 2nd, 1904 : alternative name 
for G. longirostris Milligan. 
Gymnorhina tibicen longirostris Hartert, Nov. Zool., Vol. XII., p. 230, Feb. 11th, 1905 : 
Nullagine, Mid-west Australia ; North, Austr. Mus. Spec. Cat. No. 1, Vol. II., p. 2, 
1906 : Hall, Key Birds Austr., 2nd ed., p. 112, 1906 ; Mathews, List Birds Austr., 
p. 241, 1913. 
Cracticus tibicen tibicen Mathews, Nov. Zool., Vol. XVIII., p. 372, 1912. 
Gracticus tibicen terraeregince Mathews, ib. , Jan. 31st, 1912 : Bartle Frere, Queensland ; 
id.. Austral. Av. Rec., Vol. 2, p. 60, 1912. 
Cracticus tibicen intermissus Mathews, ib., (Bendigo) Victoria ; id., Austral Av. Rec., 
Vol. II., p. 60, 1912. 
Cracticus tibicen longirostris Mathews, ib. 
Gymnorhina tibicen tibicen Mathews, List Birds Austr., p. 241, 1913. 
Gymnorhina tibicen terraeregince Mathews, ib. 
Gymnorhina tibicen intermissa Mathews, List Birds Austr., p. 241, 1913. 
Gymnorhina tibicen longirostris Mathews, ib. 
Gymnorhina terraeregince Barnard, Emu, Vol. XIII., p. 206, 1914. 
Gymnorhina tibicen finJci Mathews, Austral Av. Rec., Vol. II., pt. 5, p. 100, Sept. 24th, 
1914 : Horseshoe Bend, Fink River, Northern Territory. 
Gymnorhina tibicen eylandtensis H. L. White, Emu, Vol. XXI., p. 163, Jan. 14th, 1922 : 
Groote Eylandt, Northern Territory ; Campbell, ib., p. 194. 
Distribution. Australia. Not Tasmania. 
Adidt male. General colour both on the upper and under-parts black with a steel-like 
sheen ; rictal-bristles black and directed downwards ; the feathers on the chin are 
black with hair-like tips ; liind-neck, sides of neck, sides of body, and upper mantle 
white; lower-back, upper tail-coverts, and greater portion of tail white with dark 
shafts to the last, remainder of tail black ; upper wing-coverts and outer edge of 
wing white ; primary-coverts black varied with white, the white increasing in 
extent on the inner ones ; vent, upper thighs, under tail-coverts, axillaries, and 
lesser under wing-coverts white, greater series of under wing-coverts blackish ; 
under-surface of quills glossy black ; lower aspect of tail similar to its upper-surface. 
Bill slate with blue-black tip, legs black, eyes brown. Total length 360 mm. ; 
culmen 56, wing 240, tail 126, tarsus 52. Figured. Collected at Bartle Frere, 
North Queensland, on the 26th of May, 1900, and is the type of Cracticus tibicen 
terraereginae. 
Adult female. Very similar to the adult male, but the upper-parts grey instead of white. 
Immature male. Crown of head and sides of face glossy black ; a nuchal band of white, 
which extends on to the sides of the neck ; mantle and lower-back grey with dark 
shaft-lines to the feathers ; mantle and scapulars black or blackish-brown fringed 
with white, grey or bronze- brown ; upper wing-coverts and edge of wing white 
with blackish tips to some of the median and greater series ; bastard-wing and 
outer primary-coverts blackish, the inner ones of the latter white with more or 
less black at the tips ; flight-quills blackish, paler on the margins of the outer and 
inner webs ; rump and upper tail-coverts white like the vent and under tail-coverts ; 
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