Order PASSERIFORMES. 
No. 468. 
Family MUSCICAPIDjE. 
TIMIXOS OLIVACEUS. 
OLIYE THICKHEAD. 
(Plate 396.) 
Pachycephala oliyacea Vigors and Horsfield, Trans. Linn. Soc. (Lond.), Vol. XV., 
p. 241, Feb. 17th, 1827 : No locality = Tasmania. 
Pachycephala olivacea Vigors and Horsfield, Trans. Linn. Soc. (Lond.), Vol. XV., p. 241, 
1827 ; Gonld, Birds Austr., pt. xxii. (Vol. II., pi. 73), March 1st, 1845 ; id., Handb. 
Birds Austr., Vol. I., p. 218, 1865 ; Bamsay, Proc. Linn. Soc. N.S.W., Vol. II., p. 
181, 1878 ; Gadow, Cat. Birds Brit. Mus., Vol. VIII., p. 212, 1883 ; Legge, Papers 
Proc. Boy. Soc. Tasm., 1886, p. 239, 1887 ; Bamsay, Tab. List Austr. Birds, p. 5, 
1888 ; Hall, Key Birds Austr., p. 34, 1899 ; Campbell, Nests and Eggs Austr. Birds, 
Vol. I., p. 326, 1901 ; A. G. Campbell, Emu. Vol. II., p. 207, 1903 (King Island) ; 
id., ib., Vol. IV., p. 122, 1905 (Tas.) ; North, Austr. Mus. Spec. Cat. No. 1, Vol. 
II., p. 34, 1906; Mathews, Hand! Birds Austral., p. 86, 1908; Littler, Handb. 
Birds Tasm., p. 50, 1910 ; Mellor and White, Emu., Vol. XII., p. 162, 1913 (Flinders 
Island) ; Agnew, ib., Vol. XV., p. 51, 1915 (Moreton Bay, Queensland). 
Timixos meruloides Blyth, Journ. As. Soc. Bengal, Vol. XI., p. 195, (after Feb. 26th) 1842: 
Locality unknown = Tasmania. 
Pachycephala olivacea olivacea Mathews, Nov. Zool., Vol. XVIII., p. 315, Jan. 31st, 1912. 
Pachycephala olivacea tregellasi Mathews, ib. : Olinda, Victoria. 
Timixos olivaceus olivaceus Mathews, List Birds Austr., p. 181, 1913. 
Timixos olivaceus tregellasi Mathews, ib. ; Belcher, Birds of Geelong, p. 234, 1914. 
Pachycephala olivacea macphersonianus White, Emu, Vol. XIX., pt. 4, p. 273, April 1st = 
May 29th, 1920 : Macpherson Bange, Queensland. 
Distribution. Tasmania and islands in Bass Straits ; Victoria ; New South Wales ; 
South Queensland (Emu, Vol. XV., p. 51). 
Adult female. Crown of head and sides of face greyish-brown ; back, scapulars, and wings 
dark ochreous-brown ; inner webs of flight-quills dark brown, with paler inner 
edges ; upper tail-coverts and tail ochreous, tinged with yellow in contrast to 
the back ; the feathers immediately behind the eye have pale shaft-lines ; rictal 
bristles and those on the chin and nostrils black ; chin, throat, and fore- neck greyish- 
white with pale brown tips to the feathers ; breast, sides of body, abdomen, and 
under tail-coverts pale ochreous-brown ; middle of abdomen and vent inclining 
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