Order FALCON I FORMES 
No. 304. 
Family AQUILIDJE. 
LOPHOICTINIA ISURA. 
SQUARE-TAILED KITE. 
(Plate 247.) 
Milvus isubus Gould, Synops. Birds Austr., pt. m., pi. 47, 1838 ; New South Wales. 
Milvua isurus Gould, Synops. Birds Austr., pt. m., pi. 47, 1838 (Apl.) ; id., Proc. Zool. 
Soc. (Bond.) 1837, p. 140, Dec. 1838 ; id., Birds Austr., Vol. I., pi. 22, 1841 ; 
id., Handb. Birds Austr., Vol. I., p. 51, 1865 ; Zuchold, Joum. fiir Om. 1858, p. 35 
(Q.) ; Ramsay, Proc. Zool. Soc. (Bond.) 1875, p. 579 (Q.) ; Gurney, Ibis 1879, 
p. 83 ; Witmer Stone, Austral Av. Rec., Vol. I., p. 145, 1913. 
Milvus isiurus Kaup, Isis 1847, p. 116. 
Lophoictinia isura Bonaparte, Rev. Mag. Zool. 1854, p. 534 ; Shai^, Cat. Birds Brit. Mus., 
Vol. I., p. 326, 1874 ; id., Proc. Zool. Soc. (Bond.) 1875, p. 338 (Q.) ; Ramsay, 
Cat. Austr. Acc., p. 38, 1876 ; id., Proc. Binn. Soc. N.S.W., Vol. II., p. 177, 
1878; Gurney, Ibis 1879, p. 84; id., Bist Dium. Birds Prey, p. 81, 1884; 
Broadbent, Proc. Roy. Soc. Queensland, Vol. III., p. 25, 1887 (Q.) ; Ramsay, 
Tab. Bist Austr. Birds, p. 1, 1888; North, Aust. Mus. Cat., no. 12, p. 11, 
1890 ; id., ib., no. 4, p. 41, 1898 ; Hall, Key Birds Austr., p. 2, 1899 ; Campbell, 
Nests and Eggs Austr. Birds, Vol. I., p. 23, 1901 ; Be Souef, Emu, Vol. II., 
p. 141, 1903 (N.T.) ; Hall, Key Birds Austr., 2nd Ed., p. 2, 1906 ; Austin, 
Emu, Vol. VII., p. 28, 1908 (N.S.W.) ; Mathews, Handl. Birds Austral., p. 41, 
1908; Gibson, Emu, Vol. IX., p. 72, 1909 (S.W.A.) ; Crossman, ib., p. 149, 
1909 (S.W.A.) ; Ogdvie-Grant, Ibis 1910, p. 169 (W.A.) ; HiU, Emu, Vol. X., 
p. 267, 1911 (N.W.A.) ; North, Austr. Mus. Spec. Cat., no. 1, Vol. III., 
p. 240, 1911; Mathews, Bist Birds Austr., p. 108, 1913; Macgillivray, Emu, 
Vol. XIIB, p. 151, 1914 (N.Q.) ; Barnard, ib., Vol. XIV., p. 41, 1914 (N.T.) ; 
S. A. White, Trans. Roy. Soc. South Austr., Vol. XXXVIII., p. 425, 1914 (Central). 
Milvus pacificus Strickland, Omith. Synon., p. 135, 1855. 
Milvus isurus isurus Mathews, Nov. Zool., Vol. XVIII., p. 250, 1912. 
Milvus isurus westraliensis Mathews, ib . ; Perth, West Australia. 
Distribution. Australia {not Tasmania). 
Adult female. Back, scapulars, innermost secondaries and flight-quiUs blackish- brown, 
with pale edges and white bases to the feathers ; lesser upper wing-coverts blackish, 
those on the shoulder brown with buff edges and dark shaft-lines, the median 
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