HORN EXPEDITION—AVES. 
83 
the eggs of tliis species. They were taken from a large domed nest in low scrub, 
and are true ovals in shape and of a dull white ground colour, one specimen being 
thickly and uniformly freckled all over with reddish-brown markings, the other 
blotched with the same colour and forming confluent patches towards the larger 
end. Length (A) 0*72 inch x 0'53 inch; (B) 0'7 inch x 0'53 inch. 
[Similar in habits to A. kucopsis, these birds were found at sevei’al places on 
the Missionary Plains. They were not by any means numerous, but were in small 
companies amongst the saltbush. Their note is very sweet, the solitude and 
comparative scarcity of bird-life no doubt adding to its charm.] 
No. 43. Acanthiza apicalis, Gould. Western Acanthiza. 
Acanthiza apicalis., Gould, Proc. Zook Soc., 1847, p. 31 ; id., Bds. Austr., fob, 
Vol. III., pi. 57 (1848) ; Sharpe, Brit. Mus. Cat. Bds., Vol. VII., p. 296 (1883). 
One adult male. Missionary Plain. 
[This bird was only once met with, on the Missionary Plains. A flock of 
about eight or nine were found in a small patch of scrub, but nothing in the shape 
of information obtained beyond a specimen.] 
No, 44. Geobasileus chrysorrhoa, Quoy et Gaimard. Yellow-rumped 
Geobasileus. 
Saxicola chrysorrhoa, Quoy et Gaim., Voy. de 1’Astro., Zook, Tom. I., p. 198, 
pk 10, fig 2 (1830). 
Acanthiza chrysorrhcea, Gould, Bds. Austr., fok, Vol. III., pk 63 (1848); 
Sturt, Exped. Centr, Austr., Vol. II., App. p. 30 (1849). 
Acanthiza chrysorrhoa, Sharpe, Brit. Mus. Cat. Bds., Vol. VII., p, 298 
(1883.) 
Geobasileus chrysorrhcea. North, Nests and Eggs Austr. Bds., p. 141 (1889). 
One adult male, Levi Range. 
[This well-known bird was first seen at Levi Range, and afterwards at 
Heavitree Gap, ikc. Its habits are too well-known to require repetition. A nest 
built in the usual way, and containing three fresh eggs, was found near Owen 
Springs on 11th July.] 
