Order PE0CELLAR11F0RME8 
No. 81. 
Family PROCELLARIIDM. 
PUFPINUS LEUCOMELAS. 
WHITE-FRONTED PETREL. 
Procellaria LEUCOMELAS Temminck, Plan. Color. d’Ois., Vol. V., liv. 99", PI. 587, 1835 ; 
seas of Japan. 
Procdlaria leucomdas Temminck, Plan. Color. d’Ois., Vol. V., liv. 99", PI. 587, 1835. 
Puffinus leucomdas Temminck and Schlegel, Fauna Japonica, Aves, p. 131, PI. lxxv., 1850 ; 
Salvin, Cat. Birds Brit. Mus., Vol. XXV., p. 370, 1896 ; Hall, Key Birds Austr., 
p. 92, 1899 ; Campbell, Nests and Eggs Austr. Birds, p. 893, 1901 ; Hall, Key 
Birds Austr., p. 92, 1906 ; Beichenow, Deutsche Siidp. Exp., Zool., p. 488, 1907 ; 
Mathews, Handl. Birds Austral., p. 16, 1908 ; Godman, Monogr. Petrels, p. 72, 1908. 
TMdlus leucomdas Bonaparte, Comptes Bendus Sci., Paris, Vol. XLII., p. 769, 1856. 
Nectris leucomda (Aliq.) id., Consp. Gen. Av., Vol. II., p. 203, 1857. 
Thidlus leucomdas (Aliq.) id., ih. 
Nectris leucomelcena Heine, Nomencl. Mus. Hein., p. 362, 1890. 
Distribution. Cape York (?) and seas northward to Japan. 
Adult male. Mantle, back and scapulars brown, with pale edges and white bases to the 
feathers ; wing-coverts blackish-brown, greater coverts and secondary-quills margined 
with white on the outer webs towards the tips ; bastard-wing, primary-coverts, and 
quills blackish, the latter white on the inner webs at the base ; upper tail-coverts ash- 
brown edged with white ; tail-feathers dark brown ; crown of head slate-brown 
with numerous white feathers intermixed ; hind-neck darker and inclining to 
sooty-brown ; forehead, sides of face, and sides of throat brown, with white margins 
to the feathers, imparting a streaked appearance ; throat and under-surface of 
body, including the axillaries and under tail-coverts, white ; under wing-coverts 
white, with dark shaft-streaks, some of the outer greater coverts ash-grey fringed 
with white ; bill horn-colour ; feet flesh-colour, the outer toe a little darker (in 
dried skin). Total length 465 mm. ; culmen (exp.) 53, wing 307, tail 146, tarsus 50. 
Adult female. Similar to the adult male. 
Nest and Eggs. Undescribed. 
Nothing has been published of its life-history. The original description 
reads : — 
Bee plus long que la tete, tres-crochu, bleuatre clair ; iris gris ; pieds d’un gris-jaunatre 
a tres-grandes palmures ; queue longue et conique, le bout des ailes depassant un peu les pennes 
du milien. 
Deux couleurs eouvrent le plumage de cette espece nouveUe; en dessus, e’est un bran 
noiratre, et le dessous est d’un blanc pur. Face, sommet de la tete, occiput et joues d’un 
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