Order FALG0NIF0RME8 
No. 292. 
Family AQUILIDM^ 
CIRCUS APPROXIMANS. 
ALLIED HARRIER (SWAMP-HAWK), 
(Plate 235,)* 
Circus approximans Peale, U.S. Expl. Exped., Vol. VIII., p. 64, 1848 ; Fiji Islands. 
Circus gouldi Bonaparte, Consp. Gen. Av., Vol, I., p. 34, 1850 : Austr(alia) =New South Wales. 
Circus assimilis (not Jardine and Selby) Gould, Birds Austr,, Vol. I., pi. 26, 1848; 
id., Handb. Birds Austr., Vol. I., p. 58, 1865 ; Gray, Handl. Gen. Sp. Birds, pt. i,, 
p. 36, 1869. 
' Circus gouldi Bonaparte, Consp. Gen. Av., Vol. I., p. 34, 1850 ; Sharpe, Cat. Birds Brit. 
Mus., Vol. I., p. 72, 1874 ; Gurney, Ibis 1875, p. 225 ; Ramsay, Proc. Zool, Soc. 
(Lend.) 1875, p. 580 (Q.) ; id.. Cat, Austr. Acc., p. 6, 1876 ; id., Proc, Linn. Soc., 
N.S.W., Vol. II., p. 177, 1878 ; id., ib., Ser. 2, Vol. II., p. 165, 1887 (N.W.A.) ; id.. 
Tab. List Austr. Birds, p. 1, 1888; Broadbent, Proc. Roy. Soc. (Queensland), Vol. V., 
p. 16, 1888 (Q.) ; North, Austr. Mus. Cat., no. 12, p, 2, 1890 ; Hall, Key Birds 
Austr., p. 4, 1899 ; Campbell, Nests and Eggs Austr. Birds, p. 2, 1901 ; A. G. 
Campbell, Emu, Vol. II., p. 10, 1902 (Viet.) ; id., ib., p. 205, 1903 (King Island) ; 
Le Souef, ib., p. 222, pi. xii. (Tasm.) ; W. V. L(egge), ib., Vol. III., p. 190, 1904 
(Tasm.) ; D’Ombrain, ib., Vol. IV., p. 125, 1905 (Viet.) ; Berney, ib., Vol. V., p, 15, 
1905 (N.Q.) ; Hall, Key Birds Austr., 2nd ed., p. 4, 1906 ; Batey, Emu, Vol, VTI., 
p. 3, 1907 (Viet.) ; Legge, ib., Vol. VII,, p. 144, 1908 (Tasm.) ; Fletcher, ib., Vol. 
VIII., p. 80, 1908 (Tasm.) ; Mathews, Handl. Birds Austral., p. 39, 1908 ; Fletcher, 
Emu, Vol. IX., p. 80, 1909 (Tasm.) ; Mathews, ib., Vol. X., p. 107, 1910 (N.W.A.) ; 
Ogilvie-Grant, Ibis 1910, p. 171 (S.W.A.) ; Littler, Handb. Birds Tasm., p. 1, 1910 
(Tasm.) ; North, Austr. Mus. Spec. Cat., no. 1, Vol. III., p. 179, 1911 ; Barnard, 
Emu, Vol. XIII,, p. 206, 1914 (N.T,). 
Circus approximarhs Gumey, List Diurnal Birds Prey, p. 21, 1884 ; Legge, Pap. and Proc. 
Roy. Soc. Tasm. 1886, p. 237, 1887 ; North, Austr. Mus. Cat., no. 4, p. 3, 1898 ; 
Mathews, Nov. Zool., Vol. XVIII., p. 10, 1911. 
Circus approximans gouldi Mathews, Nov, Zool., Vol. XVIII., p. 245, 1912 ; id.. List Birds 
Austr., p. 102, 1913. 
Circus approximans inexpectatus Mathews, Nov. Zool., Vol. XVIII., p. 245, 1912 : Parry’s 
Creek, North-west Australia ; id., List Birds Austr., p. 102, 1913. 
Distribution. Australia ; Tasmania. 
* The Plate is lettered Cirem govldi* 
24 
