Order PR0GELLARIIF0RME8 
No. 75. 
Family HYDROBATILM. 
OCEANITES OCEANIOUS EXASPERATES. 
AUSTRALIAN YELLOW-WEBBED STORM-PETREL. 
(Plate 68.)* 
OcBANiTBS ocBANicus EXASPEEATUS, subsp. n.; New Zealand seas; Type no. 244 in my collection. 
Thcdassidroma wilsoni (not Bonaparte) Gould, Birds Austr., Vol. VII., PI. 65, 1846. 
Oceanites oceanica Bonaparte, Consp. Gen. Av., Vol. II., p. 199, 1857 (pars) ; Coues, Proc. 
Acad. Nat. Sci. Philad. 1864, p, 82 (pars) ; Gould, Handb. Birds Austr., Vol. II., 
p. 478, 1865 ; Mathews, Handl. Birds Austral., p. 15, 1908. 
Procellaria {Oceanites) oceanica Ramsay, Proc. Linn. Soc. N.S.W., Vol. II., p. 203, 1877. 
Oceanites oceanicus Salvin, Cat, Birds Brit. Mus., Vol. XXV., p. 358, 1896 (pars) ; Hall, 
Key Birds Austr., p. 91, 1899 ; Campbell, Nests and Eggs Austr. Birds, p. 869, 
1901 ; Buller, Birds New Zeal., 2nd ed., Vol. II., p. 250, 1888 ; id., Suppl. Birds New 
Zeal,, Vol. I., p. 97, 1905 ; Hall, Key Birds Austr., 2nd ed., p. 91, 1906 ; Wilson, 
National Antarct. Exp., Aves, p. 76, 1907 ; Godman, Monogr. Petrels, p. 41, 1907 
(pars) ; Littler, Handb. Birds Tasm., p. 157, 1910. 
Distribution. Australia ; New Zealand (south to Cape Adare during December, January, 
February). 
Adult male. Sooty-black above and below, paler on the greater wing-coverts, which are 
fringed with whitish ; upper tail-coverts pure white Hke the feathers on the sides of the 
rump ; under tail-coverte whitish at the base, sooty-black at the tips ; bill black ; 
iris dark brown; feet black ; middle of webs yellow. Total length 176 mm. ; culmen 
(exp.) 13, wing 156, tail 72, tarsus 35. 
Adult female. Similar to the adult male. 
Nest. “ A chamber at the end of a tunnel, lined with feathers ” (Wilson). 
Egg. “ Clutch one ; dull white, sometimes sparingly dotted with reddish spots; sometimes 
these spots form a ring round the larger end ; axis 33 mm., diameter 23.” 
Breeding-season. January (Cape Adare, Wilson). 
Gould found this species one of the commonest of the Storm-Petrels inhabit- 
ing the Australian seas. ' 
“ It is exceedingly active when flying, its wings being kept fully expanded ; 
it also makes considerable use of its feet, in patting the surface of the water, 
with its wings extended upwards and its head inclined downwards, to gather 
any food that may present itself. 
* The plat© is lettered Oaeanitea oceanica. f Gould, Handb. Birds Austr., Vol. II., p. 478, 1865. 
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