Order PASSERIFORMES. 
No. 648. 
Family ME LI TIIREPT1 DiE. 
ACANTHORHYNCHUS SUPERCILIOSUS. 
WHITE-BROWED SPINE BILL. 
(Plate 519.) 
Acanthorhynchus superciliosus Gould, Synops. Birds Austr., pt. n., pi. (27), April 1st, 
1837 : “ Van Diemen’s Land ” error =West Australia (Perth). 
Acanthorhynchus superciliosus Gould, Synops. Birds Austr., pt. n., 1S37 ; id., Birds Austr., 
pt. xi. (Vol. IV., pi. 62), June 1st, 1843 ; id., Handb. Birds Austr., VoL I., p. 553, 
1865 ; Ramsay, Proc. Linn. Soc. N.S.W., Vol. II., p. 190, 1878; Gadow, Cat. Birds 
Brit. Mus., Vol. IX., p. 145, 1884; Ramsay, Tab. List Austr. Birds, p. 13, 1888; 
Hall, Key Birds Austr., p. 37, 1899 ; Campbell, Nests and Eggs Austr. Birds, Vol. I., 
p. 357, 1901 ; Milligan, Emu, Vol. II., p. 73, 1902 ; id., ib., Vol. III., pp. 12,18,22, 
1903 ; H. E. Hill, ib., p. 227, 1904; Lawson, ib., Vol. IV., p. 135. 1905; North, 
Austr. Mus. Spec. Cat. No. 1, Vol. IL, p. 104, 1906 ; Mathews, Handl. Birds Austral., 
p. 93, 1908 ; S. A. "White, Emu, Vol. XX., p. 128, 1921 ; Ashby, ib., p. 135; Le 
Souef, ib., p. 144; Alexander, ib., p. 167. 
Acanthorhynchus superciliosus superciliosus Mathews, Nov. Zool., Vol. XVIII., p. 398, 1912; 
id., List Birds Austr., p. 266, 1913. 
Acanthorliynchus superciliosus wilsoni Mathews, Nov. Zool., Vol. XVIII., p. 398, Jan. 31st, 
1912 : Wilson’s Inlet, South-west Australia ; id., List Birds Austr., p. 266, 1913. 
Acanthorhynchus suffuscula suffuscula Mathews, Austral Avian Record, Vol. II., pt. 7, 
p. 131, Jan. 28th, 1915. 
Acanthorhynchus suffuscula Mathews, ib. 
Acanthorhynchus suffuscula wilsoni Mathews, ib., p. 132. 
Distribution. South-west Australia from Perth to Stirling Ranges. 
Adult male. Top of head, including foro-head and nape, blackish with slightly paler edges 
to the feathers, which imparts a scalloped appearance ; lores, ear-coverts, and a 
band across the breast black ; chin, moustacial streak, and a band across the 
fore-neck white ; throat and a band across the hind-nock chestnut ; mantle, back, 
rump, upper tail-coverts, scapulars, and upper wing-coverts olive-brown; flight- 
quills dark brown margined with white on the inner-webs ; tail blackish on the 
middle leathers—becoming paler towards the outer ones, the inner webs of which 
are white on the terminal portion, the outer-web of the outermost feather on each 
side is partially white ; abdomen, sides of body, thighs, and under tail-coverts pale 
buff ; axillaries buffy-wliite ; under wing-coverts and inner-margins of quills below 
white, remainder of quill-lining hair-brown ; lower aspect of tail similar to its 
34G 
