LIST OF BIRDS OF AUSTRALIA. 
XCI. Genus GABIANUS . 
Gabianus Bruch, Journ. fur Ornith., 1853, heft 2, p. 100, March (ex Bonaparte MS.). Type (by monotypy) : 
Larus pacificus Latham. 
Gabianus Bonaparte, Journ. fur Ornith., 1853, heft 1, p. 47, Jan. Nomen nudum. 
103. GABIANUS PACIFICUS. PACIFIC GULL. 
Gould, Vol. VII., pi. 19 (pt. xxviii.), Sept. 1st, 1847. Mathews, Vol. II., pt. 5, pi. 121, Jan. 
31st, 1913. 
Larus pacificus Latham, Index Ornith. SuppL, p. lxviii., 1801, after May : New South Wales. 
Larus frontalis Vieillot, Nouv. Diet. d’Hist. Nat., Vol. XXI., p. 505, May 30th, 1818 : Tasmania. 
Larus leucomelas Vieillot, ib., 509 : Tasmania. 
Larus bathyrinchus Macgillivray, Mem. Wern. Soc., Vol. V., pt. 1, p. 253, 1824 (after Mar. 21st) : Coasts of New 
Holland = New South Wales. 
Larus georgii King, Survey Intertrop. Coasts Austr., Vol. II., p. 423, “ 1827 ” = April 26th, 1826 : King George 
Sound, West Australia. 
Gabianus pacificus kingi, Mathews, Austral Av. Rec., Vol. III., pt. 3, p. 56, April 7th, 1916 : Queensland. 
Distribution. Australia generally (not in extreme north) and Tasmania. 
Family STERCORARIIDJ3. 
XCII. Genus CATHARACTA. 
Catharacta Briinnich, Ornith. Boreal., p. 32 pref. Feb. 20th, 1764. Type (by subsequent designation, Coues, 
Proc. Acad. Nat. Sci. Philad., p. 124, 1863) : Catharacta skua Briinnich. 
Megalestris Bonaparte, Comptes Rendus Acad. Sci. Paris, Vol. XLIII., p. 643, Sept. 1856. Type (by monotypy) : 
Stercorarius catarrhactes = C. skua Briinnich. 
Buphagus Coues, Proc. Acad, Nat. Sci. Philad., 1863, p. 124, May. Type : C. skua Briinnich. 
Not Gray, Cat. Gen. Subgen. Birds, p. 129, 1855. 
104. CATHARACTA LONNBERGI. ANTARCTIC SKUA. 
Gould, Vol. VII., pi. 21 (pt. xxxv.), Dec. 1st, 1848. Mathews, Vol. II., pt. 5, pi. 122, Jan. 31st, 
1913. 
Catharacta antarctica lonnbergi Mathews, Nov. Zool., Vol. XVIII., p. 212, Jan. 31st, 1912 : New Zealand Seas. 
Distribution. Southern Australian Seas. 
XCIII. Genus STERCORARIUS. 
Stercorarius Brisson, Ornith., Vol. I., p. 56, Vol. VI., p. 149, 1760. Type (by tautonymy) : Stercorarius = Larus 
parasiticus Linne. 
Lestris Illiger, Prodr. Mamm. and Av., p. 272, (pref. April) 1811. Type (by subsequent designation, Saunders, Cat. 
Birds Brit. Mus., Vol. XXV., p. 322, 1896) : L. parasiticus Linn6. \\ 
Prcedatrix Vieillot, Analyse nouv. Ornith., p. 65, April 14th, 1816. Type (by monotypy) : Labbe Buffon = Larus 
parasiticus Linne. 
Oceanus Koch, Syst. baier. Zool., p. 380, (July) 1816. Type (by monotypy) : L. parasiticus Linne. 
Not of Montfort, Conch. Syst., Vol, I., p. 58, 1808. 
Labbus “ Rafinq. 1815 ” Gray, Cat. Gen. Subgen. Birds, p. 129, Oct. 1855. In synonymy. 
105. STERCORARIUS PARASITICUS. ARCTIC SKUA. 
[ Larus parasiticus Linne, Syst. Nat. 10th ed., p. 136, Jan. 1st, 1758 : Coasts of Sweden. Extra-limital.] 
Mathews, Vol. II., pt. 5, pi. 124, Jan. 31st, 1913. 
Stercorarius parasiticus visitor! Mathews, Austral Av. Rec., Vol. II., pt. 7, p. 126, Jan. 28th, 1915 : Sydney, New 
South Wales. 
Distribution. Australia. Winter visitor. 
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