LIST OF BIRDS OF AUSTRALIA. 
Acanthiza uropygialis Gould, Synops. Birds Austr., pt. iv., pi. (60), April 1st, 1838 : New South Wales. 
Acanthiza uropygialis ruthergleni Mathews, Nov. Zool., Vol. XVIII., p. 350, Jan. 31st, 1912: Rutherglen, 
Victoria. 
Acanthiza uropygialis mellori Mathews, ib. : Eyre's Peninsula, South Australia. 
Acanthiza uropygialis augusta Mathews, ib. : Port Augusta, South Australia. 
Acanthiza uropygialis nca , Mathews, ib. : Burracoppin, South-west Australia. 
Acanthiza urojiygialis murchisoni Mathews, ib. t East Murchison, West Australia. 
Acanthiza uropygialis co7}dora Mathews, Austral Av. Rec., Vol. I., pt. 3, p. 78, June 28th, 1912: Leigh’s Creek, 
South (Central) Australia. 
Geobasileus uropygialis moor a A G. Campbell, Emu, Vol. XXII., pt. i„ p. 65, July 1st, 1922: Watheroo, near 
Moora, West Australia. 
Geobasileus uropygialis crema A. G. Campbell, ib. : Kychering Soak, East-West Railway, South Australia. 
Acanthiza uropygialis kychcringi Mathews, Bull. Brit. Orn. Club, Vol. XLIII., p. 14, Oct. 31st, 1922. New name 
for preceding, not Acanthiza apicalis erema A. G. Campbell before. 
Distribution. Southern extra-tropical Australia from East to West, in the dry districts only. 
450. ACANTHIZA IREDALEI. THIN-BILLED TIT. 
Mathews, Vol. IX., pt. 9, pi. 451, Aug. 3rd, 1922. 
Acanthiza tenuirostris Zietz, Trans. Roy. Soc. South Austr., Vol. XXIV., pt. n., p. 112, Dec. 1900: Leigh’s 
Creek, Interior South Australia. 
Not Acanthiza tenuirostris Lafresnaye, Revue Zool., 1841, p. 242. 
Acanthiza iredalei Mathews, Bull. Brit. Om. Club, Vol. XXVII., p. 97, May 26th, 1911 : Lake Way, West Australia. 
Acanthiza morgani Mathews, Bull. Brit. Orn. Club, Vol. XXVII., p. 97, May 26th, 1911. New name for A. 
tenuirostris Zietz. 
Acanthiza winiamida Wilson, Emu, Vol. XVI., pt. 3, p. 169, Jan. 15th, 1917 : Winiam East, 12 miles S.E. of NliiU, 
Victoria. 
Distribution. Across Central Australia from Shark's Bay, West Australia, to the Victorian Mallee. 
CCCLXIII. Genus MILLIGAN I A . 
Milligania Mathews, Austral Av. Rec., Vol. I., pt. 5, p. 112, Dec. 24th, 1912. Typo (by original designation): 
Acanthiza robustirostris Milligan. 
451. MILLIGANIA ROBUSTIROSTRIS. THICK-BILLED TIT. 
Mathews, Vol. IX., pi. 9, pi. 451, Aug. 3rd, 1922. 
Acanthiza robustirostris Milligan, Emu, Vol. III., pt. i., p. 71, July 1st, 1903 : Day Dawn, Murchison, West 
Australia. 
Acanthiza mariarue S. A. White, South Austr. Omith., Vol. II., pt. 2, p. 45, April 1st, 1915 : Moorilyanna, Everard 
Ranges, Central Australia. 
Milligania robustirostris liberia Mathews, Austral Av. Rec., Vol. III., pt. 3, p. 61, April 7th, 1916; Liberia Soak, 
West Australia. 
Milligania robustirostris moorilyanna Mathews, Bull. Brit. Orn. Club, Vol. XXXVI., p. 90, July 7th, 1910: 
Moorilyanna, Everard Ranges, Central Australia. 
Distribution. Central Australia, mostly western. 
CCCLXIV. Genus GEOBASILEUS . 
Geobasileus CabanLs, Mus. Heine, Vol. I,, p. 32 (after Oct. 23rd), 1851. Typo (by monotypy): Saxicolachrysorrhoa 
Quoy et Gaimard. 
452. GEOBASILEUS CHRYSORRHOUS. YELLOW-RUMPED TIT. 
Gould, Vol. III., pi. 63 (pt. xvi.), Sept. 1st, 1844. Mathews, Vol. IX., pt. 9, pi. 452, Aug. 3rd, 
1922. 
Saxicola chrysorrhoa Quoy et Gaimard, Voy. do 1'Astrol. Zool., Vol. I., p. 198, pi. 10, f. 2 (pref. June 29th), 1830: 
New South Wales. 
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