Order PASSERIFORMES. 
Family CRACTICID/E. 
No. 593. 
GYMNORHINA HYPOLEUCA. 
WHITE-BACKED MAGPIE. 
(Plate 483.)* 
Cractictts hypoleucus Gould, Synops. Birds Austr., pt. i., pi. (iv.) } Jan. 1st, 1837 : 
Tasmania. 
Oracticus hypoleucus Gould, Synops. Birds Austr., pt. i., pi. (iv.), Jan., 1837 ; id., Proc. 
Zool. Soc. (Bond.), 1836, p. 106, June, 1837. 
Gymnorhina leuconota Gould, Birds Austr., pt. xvn. (Vol. II., pi. 47), Dec. 1st, 1844 : South 
Australia ; id., Handb. Birds Austr., Vol. I., p. 176, 1865 ; Ramsay, Proc. Linn. 
Soc. N.S.W., Vol. II., p. 180, 1878 ; Gadow, Cat. Birds Brit. Mus., Vol. VIII., 
p. 92, 1883 ; Ramsay, Tab. List Austr. Birds, p. 4, 1888 ; Hall, Key Birds Austr., 
p. 31, 1899 ; Campbell, Nests and Eggs Austr. Birds, Vol. I., p. 292, 1901 ; Hall, 
Proc. Roy. Soc. Viet., n.s., Vol. XIV., p. 1, 1901 ; Hill, Emu, Vol. II., p. 162, 1903 
(Vic.) ; D’Ombrain, ib., Vol. IV., p. 124, 1905 (Albino) ; A. G. Campbell, ib., Vol. V., 
p. 142, 1906 (King Island) ; North, Austr. Mus. Spec. Cat. No. 1, Vol. II., p. 5, 
1906 ; Hill, Emu, Vol. VI., p. 179, 1907 (Vic.) ; Batey, ib., Vol. VII., pp. 7-81, 
1907 (Vic.) ; Dove, ib., Vol. VIII., p. 67, 1908 ; Mathews, Handl. Birds Austral., 
p. 83, 1908; Hall, Emu, Vol. IX., p. 16, 1909; id., ib., p. 128, 1910 (S.A.) ; Batey, 
ib., Vol. X., p. 49, 1910 (Vic.) ; S. A. White, ib., Vol. XII., p. 4, 1912 (S.A.) ; id., 
ib., Vol. XIII., p. 32, 1913 (S.A.) ; Purnell, ib., Vol. XV., p. 43, 1915 (Vic.). 
Gymnorhina organicum Gould, Birds Austr., pt. xxvn. (Vol. II., pi. 48), June 1st, 1847 ; 
new name for Cracticus hypoleucus Gould ; id., Handb. Birds Austr., Vol. I., p. 178, 
1865; Ramsay, Proc. Linn. Soc. N.S.W., Vol. II., p. 180, 1878; id., Tab. List 
Austr. Birds, p. 4, 1888 ; Dove, Emu, Vol. XV., p. 193, 1916. 
Gymnorhina hypoleuca Cabanis, Mus. Heine, Vol. I., p. 226, 1851. 
Gymnorhina hyperleuca Gadow, Cat. Birds Brit. Mus., Vol. VIII., p. 93, 1883 ; Legge, 
Papers Proc. Roy. Soc. Tasm., p. 239, 1887 ; Hall, Key Birds Austr., p. 31, 1899 ; 
Campbell, Nests and Eggs Austr. Birds, Vol. I., p. 295, 1901 ; Fletcher, Emu, 
Vol. III., p. 50, 1903 ; McClymont, ib., p. 57 ; Littler, ib., p. 82 ; A. G. Campbell, 
ib., Vol. IV., p. 122, 1905 ; McClymont, ib., p. 175 ; North, Austr. Mus. Spec. Cat. 
No. 1, Vol. II., p. 8, 1906 ; Mathews, Handl. Birds Austral., p. 83, 1908; McClymont, 
Emu, Vol. VII., p. 189, 1908. 
* The Plate is lettered G. leuconota. 
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