LIST OF BIRDS OF AUSTRALIA. 
378. GILBERTORNIS INORNATUS. BLACK-LORED THICKHEAD. 
Gould, Vol. II., pi. 71 (pt. xxvm.), March 1st, 1845. Mathews, Vol. VIII., pt. 5, pi. 395, 
Dec. 15th, 1920. 
Pachycephala inornata Gould, Proe. Zool. Soc. (Lond.), 1840, p. 164, July 1841 : South Australia. 
Pachycephala gilbertii Gould, Proc. Zool. Soc. (Loud.), 1844, p. 107, Oct. : Western Australia (York district). 
Gilbertornis gilberti mallee Mathews, Austral Av. Ree., Vol. II., pt. 7, p- 130, Jan. 28th, 1915 : Gerahmin, Mallee 
Victoria. 
Distribution. South-west Australia ; Mallee of South Australia and Victoria (New South Wales ?). 
CCOX. Genus ALISTERORNIS. 
Alisterornis Mathews, Austral Av. Rec., Vol. I., pt. 5, p. Ill, Dec. 24th, 1912. Type (by original designation) : 
Pachycephala lanioides Mathews. 
379. ALISTERORNIS LANIOIDES. WHITE-BELLIED THICKHEAD. 
Gould, Vol. II., pi. 69 (pt. xvn.), Dec. 1st, 1844. Mathews, Vol. VIII., pt. 5, pi. 396, Dec. 
Pachycephala lanioides Gould, Proc. Zool. Soc. (Lond.), 1839, p. 142, March 1840 : North-west Coast Australia= 
Derby, North-west Australia. 
Pachycephala fretorum De Vis, Proc. Roy. Soc. Queensl., Vol. VI., pt. 5, p. 237, 1889 : Kimberley =Normanton, 
Gulf of Carpentaria, Queensland. 
Pachycephala lanioides buchanani Mathews, Austral Av. Rec., Vol. I., pt. 3, p. 77, June 28th, 1912 : Buchanan 
Islet, Northern Territory. 
Alisterornis lanioides carnarvoni Mathews, Austral Av. Rec., Vol. II., pt. 4, p. 75, Dec. 29th, 1913 : Carnarvon, 
Mid-west Australia. 
Distribution. From Carnarvon, Mid-west Australia, northwards (coastal in mangroves) to the Gulf of 
Carpentaria, Queensland. 
CCCXI. Genus TIMIXOS. 
Timixos Blyth, Joum. As. Soc. Bengal, Vol. XI., p. 194 (after Feb. 26th), 1842. Type (by monotypy) : Timixos 
meruloides Blyth = Pachycephala olivacea Vigors and Horsfield. 
380. TIMIXOS OLIVACEUS. OLIVE THICKHEAD. 
Gould, Vol. II., pi. 73 (pt. xxn.), March 1st, 1845. Mathews, Vol. VIII., pt. 5, pi. 396, Dec. 
15th, 1920. 
Pachycephala olivacea Vigors and Horsfield, Trans. Linn. Soc. (Lond.), Vol. XV., p. 241, Feb. 17th, 1827 : No 
locality = Tasmania. 
Timixos meruloides Blyth, Journ. As. Soc. Bengal, Vol. XI., p. 195 (after Feb. 26th), 1842 : Locality unknown = 
Tasmania. 
Pachycephala olivacea tregellasi Mathews, Nov. Zool., Vol. XVIII., p. 315, Jan. 31st, 1912 : Olinda, Victoria. 
Pachycephala olivacea macphersonianus H. L. White, Emu, Vol. XIX., pt. iv., p. 273, April lst=May 29th, 1920: 
Macpherson Range, Queensland. 
Distribution. Tasmania and islands of Bass Straits ; Victoria, New South Wales, South Queensland. 
CCCXIX. Genus MATTINGLEYA. 
Maftingleya Mathews, Austral Av. Rec., Vol. I., pt. 5, p. Ill, Dec. 24th, 1912. Type (by original designation) : 
Pachycephala peninsulas Hartert. 
381. MATTINGLEYA GRISEICEPS. GREY THICKHEAD (ROBIN). 
[Pachycephala griseiceps Gray, Proc. Zool. Soc. (Lond.), 1858, p. 178, July 13th : Aru Islands. Extra-limital.] 
Mathews, Vol. VIII., pt. 5, pi. 397, Dec. 15th, 1920. 
Eopsaltria (?) inornata Ramsay, Proc. Zool. Soc. (Lond.), 1874, p. 604, April 1st, 1875: Rockingham Bay, 
Queensland. 
Pachycephala peninsulas Hartert, Bull. Brit. Ornith. Club, Vol. VIII., p. xxxiii., Feb. 27th, 1899 : Cape York, 
Queensland. 
130 
