Order PASSERIFORMES. 
No. 457. 
Family MUSCICAPIDM. 
PCECILODRYAS CERVINIVENTRIS. 
BUFF-SIDED ROBIN. 
(Plate 389.) 
Petroica ? cerviniventris Gould, Proc. Zool. Soc. (Lond.), 1857, p. 221, Jan. 12th, 
1858 : Victoria River, Northern Territory. 
Petroica ? cerviniventris Gould, Proc. Zool. Soc. (Lond.), 1857, p. 221, 1858 ; id., Birds 
Austr. Suppl., pi. 15 (pt. in.), Sept. 1st, 1859. 
Pcecilodryas cerviniventris Gould, Handb. Birds Austr., Vol. I., p. 288, 1865 ; Ramsay, Proc. 
Linn. Soc. N.S.W., Vol. II., p. 183, 1878 ; Sharpe, Cat. Birds Brit. Mus., Vol. IV., 
p. 242, 1879 ; Ramsay, Tab. List Austr. Birds, p. 7, 1888 ; Hall, Key Birds Austr., 
p. 15, 1899 ; Campbell, Nests and Eggs Austr. Birds, Vol. I., p. 150, 1901 ; Hall, 
Emu, Vol. I., p. 96, 1902 (N.W.A.) ; North, Austr. Mus. Spec. Cat. No. 1, Vol. I., 
p. 176, 1903 ; Mathews, Hand!. Birds Austral., p. 64, 1908 ; Hill, Emu, Vol. X., 
p. 274, 1911 (N.W.A.) ; id., ib., Vol. XII., p. 257, 1913 (N.T.) ; Macgillivray, ib., 
Vol. XIII., p. 166, 1914 (W.Q.) ; Barnard, ib., Vol. XIV., p. 44, 1914 (N.T.). 
Pachycephala superciliosa cerviniventris Mathews, Nov. Zool., Vol. XVIII., p. 312, 1912. 
Pachycephala superciliosa belcheri Mathews, Austral Av. Rec., Vol. I., pt. 2, p. 40, April 5th, 
1912 : Napier Broome Bay, North-west Australia. 
Pcecilodryas superciliosa cerviniventris Mathews, List Birds Austr., p. 175, 1913. 
Pcecilodryas superciliosa derby ii Mathews, Austral Av. Rec., Vol. II., pt. 4, p. 75, Dec. 29th, 
1913 : Derby, North-west Australia. 
Pcecilodryas superciliosa gregori Mathews, ib., pt. 5, p. 93, Sept. 24th, 1914 : Gregory 
River, West Queensland. 
Distribution. North-west Australia to Western Queensland (Derby to Gregory River). 
Adult male. Fore-head, crown of head, and nape soot-black ; hind-neck, entire back, 
upper wing-coverts, scapulars, upper tail-coverts, and innermost secondary-quills 
dusky olive-brown ; bastard-wing and greater upper wing-coverts black slightly 
tipped with white ; primary-coverts uniform black ; primary and outer secondary 
flight-quills black with a broad bar of white on the basal portion increasing in 
extent on the inner webs, which are narrowly fringed with dusky olive-brown on the 
apical portion of the outer webs of the primaries and margined with white on the tips 
of the secondaries ; tail-feathers smoke-brown tipped with white, which is increased 
in extent on the lateral feathers ; a broad supraloral streak of white which extends 
over the eye and along the sides of the crown ; sides of face black including the 
lores ; a spot in front and below the eye, chin, throat, and fore-neck white ; rictal 
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