Order PSITTACIFORMES. 
Family PEZOPORIDM. 
No. 377 
GEOPSITTACUS OCCIDENTALIS. 
SPINIFEX PARROT, OR NIGHT PARROT. 
(Plate 324.) 
Geopsittacus occidentalis Gould, Proc. Zool. Soc. (Lond.), 1861, p. 100 : Western 
Australia. 
Geopsittacus occidentalis Gould, Proc. Zool. Soc. (Lond.), 1861, p. 100 (W.A.) ; id., Handb. 
Birds Austr., Vol. II., p. 88, 1865 ; Sclater, Proc. Zool. Soc. (Lond.), 1867, p. 891 
(S.A.) ; Gould, Birds Austr., Suppl., pt. rv. (pi. 66), 1867 ; Murie, Proc. Zool. Soc. 
(Lond.), 1868, p. 158 ; Diggles, Ornith. Austr., pt. xvi., p. 83, 1868 ; Reichenow, 
Journ. fur Orn., 1881, p. 16 ; Ramsay, Cat. Austr. Psittaci, p. 91, 1891 ; Salvadori, 
Cat. Birds Brit. Mus., Yol. XX., p. 598, 1891 ; Keartland, Trans. Roy. Soc. South 
Austr., Yol. XXII., p. 171, 1898 (N.W.A.) ; Hah, Key Birds Austr., p. 68, 1899; 
Campbell, Nests and Eggs Austr. Birds, Vol. II., p. 659, 1901 ; Mathews, Hand! 
Birds Austral, p. 52, 1908 ; id., Nov. Zool., Vol. XVIII., p. 281, 1912 ; id., List 
Birds Austr., p. 141, 1913 ; Howe and Tregellas, Emu, Vol. XIV., p. 71, 1914 (Vic.) ; 
Campbell, ib., p. 167, 1915 ; Howe, ib., Vol. XV., p. 72. 
Pezoporus occidentalis Finseh, Die Papageien, Vol. II., p. 151, 1868 ; Ramsay, Proc. Linn. 
Soc. N.S.W., Vol. II., p. 194, 1878 ; id., Tab. List Austr. Birds, p. 17, 1888. 
Geopsittacus occidentalis whitece Mathews, Austral Av. Rec., Vol. II., p. 129, 1915 : Lake 
Gairdner, South Australia. 
Geopsittacus occidentalis occidentalis Mathews, ib. \ 
Distribution. West Australia ; South Australia ; ? Victoria ; 1 Extinct. 
Adult. General colour of the upper surface yellowish-green, with dark brown bases to 
the feathers and pale markings, the latter assuming the form of arrow-head spots 
or crossbars ; bastard-wing and primary-coverts dark brown with olive-green 
edges to the feathers ; primary- and secondary-quills with pale edges to the feathers 
and a white tooth-like mark on the inner-webs which commences on the fourth 
primary increasing in extent on the secondaries where it encroaches on to the outer- 
web, the innermost secondaries like the back ; central tail-feathers dark brown 
with pale indentations and green edgings, the lateral feathers barred with yellowish- 
white which increases in extent on the outermost ; crown of head and nape green 
with black shaft-streaks to the feathers ; sides of face green, becoming yellowish- 
green on the throat ; fore-neck, breast and sides of body pale green, the feathers 
barred with black and yellowish-white ; abdomen and under tail-coverts lemon- 
yellow ; under wing-coverts pale green becoming pale brown on the greater series 
and quill-lining — a white bar on the primary- and secondary-quills below. Total 
495 
