Order PROCELLARIIFORMES. 
No. 54; 
Family PROOELLARIIDJS. 
PAGODROMA CONFUSA. 
LARGE-BILLED SNOWY PETREL. 
(Plate 39.) 
Pagodroha confusa Mathews, Birds Austr., Vol. II., p. 177, fig. head, July 31st, 1912: Cape 
Adare. 
Pagodroma confusa Mathews, Birds Austr., Vol. II., p. 177, July 31st, 1912, with fig. of bill; 
id:, Syst. Av. Australas., p. 123, 1927. 
Distribution. Cape Adare; Antarctica. 
Adult female. Entirely snow-white, with the shafts of the primaries and tail-feathers yellowish ; 
a small black spot in front of the eye; bill black with a tinge of blue on the sides, and 
flesh-coloured along the cutting edges and at the gape ; eyes very dark brown; legs, 
feet, webs and claws all dark bluish-black. Total length 365 mm.: culmen (exposed) 23, 
wing 300, tail 138, tarsus 38. Figured. Collected at sea in S. lat. 65° 3'; E. long. 
161° 42' on the 12th of January, 1899. In the pack-ice. 
Adult male. Similar to the adidt female. 
Dr. Wilson gives the following measurements of the large-billed and small¬ 
billed form of Pagodroma. The largest were collected in the Ross Sea 
pack-ice and the smallest off Cape Adare. 
confusa. 
nivea. 
Culmen 
.. 26 mm. 
18 mm. 
Wing .. 
290 
245 
Mid-toe 
55 
41 
Total length .. 
395 
293 
Tail 
152 
125 
Tarsus 
38 
31 
Inner toe 
38 
32 
These two species had always been considered as identical, but now I 
think that ornithologists will admit two forms. 
106 
