Order PASSERIFORMES. 
No. 505. 
Family OINOLOSOMA T1DM. 
SAMUELA ALISTEBI. 
BLACK-BREASTED GROUND-BIRD. 
(Plate 427.)* 
Cinclosoma alisteri Mathews, Bull. Brit. Ornith. Club, Vol. XXVII., p. 16, Nov. 4th, 1910 : 
West Australia (Waddilinia, Xullarbor Plains). 
Cinclosoma alisteri Mathews, Bull. Brit. Omith. Club, Vol. XXVII., p. 16, 1910 ; id., Nov. 
Zool., Vol. XVIII., p. 330, 1912 ; id., List Birds Austr., p. 198, 1913. 
Distribution. Nullarbor Plains, West Australia. 
Adult male. General colour of the upper-surface rufous-chestnut, including the top of the 
head, ear-coverts, hind-neck, back, scapulars, upper tail-coverts and central tail- 
feathers ; upper wing-coverts including the bastard-wing and prinaary-coverts 
black tipped with white ; flight-quills pale brown margined on the outer webs with 
rufous-chestnut, which is much increased in width on the innermost secondaries, 
margins of the inner webs paler and inclining to buffy-white ; the two central tail- 
feathers like the back, the next pair blackish towards the tips and slightly tipped 
with white, the following pair similar but the black and the white at the tip more 
extensive, and the two outer pairs of feathers for the greater part black broadly 
tipped with white ; lores, feathers below the eye and ear-coverts black like the 
throat, fore-neck and breast ; cheeks and a broad line on the sides of the neck 
white ; lower-breast, abdomen, and under tail-coverts white, with black central 
lines to some of the feathers, and more or less tinged with pale chestnut ; sides of 
the body pale chestnut ; axillaries and under wing-coverts white, the greater series 
of the latter dark brown ; under-surface of flight-quills pale brown tinged with 
rufous on the margins ; lower aspect of tail black with white tips to the feathers. 
Eyes brown. Bill black, feet grey. Total length 200 mm. ; culmen 17, wing 83, 
tail 76, tarsus 27. Figured. Collected at Waddilinia [Nullarbor Plains], West 
Australia, on the 22nd of September, 1908. 
Adult female. Not described. 
Immature male. General colour of the upper-surface rufous-chestnut, including the top of 
the head, back, wings, scapulars, and tail ; inner upper wing-coverts like the outer 
ones blackish tipped with white, including the bastard-wing and primary-coverts, 
the greater series margined with rust-brown ; flight-quills dark brown edged with 
rust-brown, paler and inclining to whitish at the base of some of the outer primaries ; 
central tail-feathers like the back, the outer ones for the most part black tipped with 
white ; lores blackish at the base and tipped with white ; a buffy-white line over 
the eye and along the sides of the crown ; ear-coverts similar to the crown ; cheeks, 
* The Plate is lettered Cinclosoma alisteri. 
203 
