Order PROCELLARIIFORMES. 
Family PROCELL AR11DM. 
No. 113. 
COOKILARIA LEUCOPTERA. 
(brevipes.) 
WHITE-WINGED PETREL. 
(Plate 82.) 
Procellaria brevipes Peale, U.S. Expl. Exped., Birds, p. 294, in or before Oct. 1848, Lat. 
68° S., Long. 95° W. (Peter Island, off Alexander Island, south of South America.) 
Procellaria brevipes Peale, U.S. Expl. Exped., Birds, p. 294, in or before Oct., 1848. 
Procellaria torquata Macgillivray, Zool., Yol. XVIII., p. 7132, 1860 : New Hebrides. Figured, 
Ibis, 1891, pi. 9. 
Fulmarus aneiteimensis Salvin, Cat. Birds Brit. Mus., Vol. XXV., p. 408, 1896 (pref. Dec. 16th, 
1895), as synonym of brevipes ex Gray, Handl. Gen. Spec. Birds, B.M., pt. m., p. 107, 
Aug. 18th, 1871, nude name. 
(Estrelala brevipes Salvin, Cat. Birds Brit. Mus., Vol. XXV., p. 408, 1896 (pref. Dec. 16th, 1895); 
Mathews, Handl. Birds Austral., p. 17, Jan. 1908 ; Godinan, Monogr. Petrels, p. 209, pi. 57, 
Sept., 1908. 
Pterodroma brevipes Mathews, Birds Aust-r., Vol. II., p. 168, July 31st, 1912 ; id., Syst. Av. 
Austral., p. 120, 1927 ; Loomis, Bev. Albat., etc., p. 93, 1918. 
Pterodroma leucoptera brevipes Murphy, Amer. Mus. Nov., No. 370, p. 13, Sept. 6th, 1929. 
Cookilaria leucoptera brevipes Mathews, Syst. Av. Austral., p. 906, 1930. 
Distribution. Lat. 4° 20 S., long. 93° W. Down the west coast of South America to the type 
locality. And thirty miles east of Meralav (Melepav or Star Peak) Island, Banks Group, 
New Hebrides. Nesting in Kandava Island, Fiji Group, in June 1925. Viti Leku Island, 
Fiji Group. 
Adult male. Fore-head and fore-part of crown slaty-black, broadly margined with white ; 
remainder of head slate-black ; lores white ; mantle and back slate-colour, becoming black 
on the rump ; scapulars brownish-black ; upper tail-coverts slate-grey; wing-coverts 
dull black, the greater series narrowly margined with grey ; quills black, paler on the inner 
web; outer pair of tail-feathers light grey, remainder brownish-slate ; sides of face, 
ear-coverts and cheeks like the head ; chin, throat and upper neck pure white, slightly 
mottled on the latter with grey; fore-neck and chest brownish-grey; breast, abdomen, 
sides of body, flanks, thighs and under tail-coverts whitish-grey, finely powdered with 
white ; under wing-coverts black, verj^ narrowly tipped with white ; axillaries white, speckled 
with grey; bill black ; feet white and black; iris brown. Total length about 300 mm.: 
culmen 23, wing 207, tail 96, tarsus 28. Kandava Island, Fiji Group, January 28th, 1927. 
Adult. Fore-head slaty-black, each feather broadly bordered with white ; crown of head and 
back of neck slaty-black ; upper-mantle blackish-slate ; lower mantle, back and rump 
dark grey, fringed with blackish ; upper tail-coverts slate-grey ; wing-coverts dull black 
the greater series pow T dered with grey ; primary-quillsblack, shading into grey on the 
inner web ; middle pair of tail-feathers dark grey, blackish townrds the tip ; outer tail- 
feathers lighter grey, very finely speckled w f ith white ; lores pure white ; a streak of white 
above and below' the eye ; sides of face and ear-coverts like the head ; cheeks, chin, throat 
and entire under-parts pure white, with the exception of a large patch of dark slate on each 
side of the chest. Iris brown; bill black ; feet bluish; webs black. Total length 
about 310 mm. : culmen 229, wings 26, tail 102, tarsus 28. (Light phase.) 
87 
