Order PR0GELLARIIF0RME8 
Family DIOMEDEIDjE. 
No 117. 
THALASSARCHE MELANOPHRIS IMPAVIDA. 
AUSTRALIAN BLACK-BROWED MOLLYMAWK. 
(Plate 96.)* 
Thalassarche MELANOPHRIS IMPAVIDA/ subsp. n. ; Tasmania ; Type no. 278 in my 
collection. 
Diomedea melanophrys Gould, Birds Austr., Vol. VII., pi. 43, 1844 ; id., Handb. Birds 
Austr., Vol. II., p. 438, 1865 ; Hutton, Ibis 1872, p. 248 ; Buller, Birds New 
Zeal., p. 292, 1873 ; Ramsay, Proc. Linn. Soc. N.S.W., Vol. II., p. 202, 1877 ; id.. 
Tab. List Austr. Birds, p. 23, 1888; Buller, Birds New Zeal, 2nd ed., Vol. II., 
p. 198, 1888 ; id., Trans. New Zeal. Inst. 1894, Vol. XXVII., p. 121, 1895 ; Salvin, 
Cat. Birds Brit. Mus., Vol. XXV., p. 447, 1896 (pars) ; North, Birds County Cumber., 
p, 115, 1898; Hall, Key Birds Austr., p. 96, 1899; Campbell, Nests and Eggs 
Austr. Birds, p. 926, 1901 ; Buller, Suppl. Birds New Zeal., Vol. I., p. 146, 1905 ; 
Hall, Key Birds Austr., p. 96, 1906; Wilson, National Antarct. Exp., Aves, p. Ill, 
1907 (pars) ; Mathews, Handl. Birds Austral., p. 19, 1908 ; Waite, Subant. Isl. New 
Zeal., p. 574, 1909; Godman, Monogr. Petrels, p. 339, 1910; Littler, Handb. 
Birds Tasm., p. 186, 1910. 
Distribution. Austrahan seas. 
Adult male. General appearance of the upper-parts dark brown and white ; scapulars, 
wings and tail dark brown ; rump and upper tail-coverts white, back slaty-black ; 
quills black, with white shafts towards the base, inner webs whitish at the base ; 
secondaries blackish, inner webs white at the basal portion ; feathers of the 
olecranal patch blackish, becoming white at the base ; humeral feathers white, 
shaded with grey ; tail-feathers blackish, with conspicuous white shafts ; lores, 
and a streak through and behind the eye black, more intense in front of the eye ; 
head and neck all round, throat and entire under-surface white ; axillaries and under 
wing-coverts white, more or less shaded with grey, the smaller coverts round the 
margin black, like the upper wing-coverts ; quills below brown with white shafts, 
which are blackish towards the tips ; “ Bill uniform, gamboge-yellow, shaded with 
orange on the hook and with a very fine line of black round the base of the mandibles ; 
iris light brown ; feet dehcate blue-grey, darker on the joints and interdigital 
webs ; claws white-horn colour ” (Buller) ; “ Iris rich hazel-brown ” (Wilson), 
Culrccn (exp.) 115 mm., depth at base 45; wing 510, tarsus 78.5, middle toe 115. 
Adult female. Similar to the adult male. 
*The Plate is lettered Diomedea melano'phrye. 
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