Order LARIF0RME8 Family CATHARACTIDM, 
No. 154. 
CATHARACTA LONNBERGI LONNBERGI. 
AUSTRALIAN SKUA. 
(Plate 122.)* 
Catharacta ANTARCTICA LONNBERGI Mathcws, Nov. Zool., Vol. XVIII., p. 212, 1912 ; 
New Zealand seas. 
Lestris catarractes Gould, Birds Austr., Vol. VII., pi. 21, 1848. 
Lestris catarrhactes Hutton, Ibis 1872, p. 248. 
Stercorarius catarrhactes Gould, Handb. Birds Austr., Vol. II., p. 389, 1865. 
Stercorarius antarcticus BuUer, Birds New Zeal., p. 267, 1873 ; id., Trans. New Zeal. 
Inst., Vol. XI., p. 373, 1879; id., Birds New Zeal., 2nded., Vol. II., p. 63, 1888; 
Ramsay, Tab. List. Austr. Birds, p. 22, 1888. 
Megalestris antarctica Saunders, Cat. Birds Brit. Mus., Vol. XXV., p. 319, 1896 (pars) ; 
North, Birds County Cumber., p. 114, 1898 ; Hall, Key Birds Austr., p. 90, 1899 ; 
Campbell, Nests and Eggs Austr. Birds, p. 863, 1901 ; Hall, Key Birds Austr., 
p. 90, 1906 ; Wilson, National Antarct. Exp., Vol. II., p. 63, 1907 ; Mathews, 
Handl. Birds Austral., p. 22, 1908 ; Littler, Handb. Birds Tasm., p. 155, 1910. 
Catharacta antarctica Waite, Subant. Isl. New Zeal., p. 556, 1909. 
Catharacta antarctica lonnbergi Mathews, Nov. Zool., Vol. XVIII., p. 212, 1912 ; id.. 
Austral Av. Rec., Vol. I., p. 55, 1912. 
Distribution. Austrahan and New Zealand seas ; Chatham Islands (breeding), sub- 
antarctic islands of New Zealand (breeding). 
Adult male. General colour above dark brown, inchning to blackish on the wings ; 
some of the scapulars fringed and mottled with white, as also some of the upper 
tail-coverts ; wing-coverts uniform dark brown like the bastard-wing and primary- 
coverts ; primary-quills white at the base, dark brown or blackish at the tips, 
the shafts for the greater part white ; secondaries and tail-feathers dark brown, 
white at the base ; head and neck all round, rufous-brown hke the under surface 
of the body ; the feathers on the hind-neck and sides of the neck lanceolate in 
form and show glossy shaft-streaks ; under wing-coverts and axillaries darker 
than the abdomen and more glossy ; a short, narrow streak of white below the eye ; 
bill black ; iris dark brown ; feet black. Total length 690 mm. ; culmen (exp.) 57, 
wing 433, tail 170, tarsus 78. 
Adult female. Similar to the adult male. Total length 610 mm. ; culmen 56, wing 410, 
tail 155, tarsus 77. 
* The Plate is lettered Megalestris antarctica. 
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