236 THE ANTARCTIC MANUAL. 
the webs yellow at their bases. Length 7 in., wing 6 in, tarsus 
1:4 in. 
THALASSECA ANTARCTICA. Id. t.c. p. 392 (p. 229). 
Head and mantle brown, with broad white edges to wing coverts and 
secondaries; tail white, tip brown; under parts white. Length 
17 in., wing 12 in. 
THALASS@CA (PRIOCELLA) GLACIALOIDES. Id. t.c. p. 393. 
(p. 230). 
Head and neck pale grey, mantle rather darker; quills brownish on 
outer webs, tail pale grey. Length 18 in., wing 12°6 in. 
Majaqueus equinoctialis, Id. t.c. p. 395. ‘Cape Hen,’ ‘Black Night 
Hawk,’ ‘Black Eaglet.’ 
Sooty black, with a very variable amount of white on the chin and 
upper throat, sometimes round the eye, and almost across the crown ; 
the white seems to be most prevalent in Australian and New Zealand 
waters. Length 20 in., wing 15 in. 
PaGoDROMA NIVEA. Jd. t.c. p. 419. Ice Petrel (p. 229). 
Pure white; bill black; feet yellowish. Length 14-16 in., wing 
9+8-11 in., the difference in the-size of individuals being remarkable. 
OSSIFRAGA GIGANTEA. Id. t.c.p.422. Giant PErREL, ‘Nelly’ (p. 230). 
The adult is uniform dark chocolate-brown, but immature birds 
exhibit more or less white in their plumage, while nearly white 
individuals are not uncommon. Length 34 in., wing 20°5 in, 
bill 4-2 in. 
DarTION CAPENSIS. Jd. t.c. p. 428. CapE PETREL, ‘Cape Pigeon’ 
(p. 230). 
Head, neck and throat blackish; feathers of the mantle mainly 
white, but tipped with black,* tail broadly tipped with black; under 
parts white. In the young the black has a browner hue. Length 
16 in., wing 10°5 in. 
Prion desolatus. Id. t.c. p. 434. Brown-banded Petrel (p. 231). 
Upper surface ashy-blue, darker on the head ; a distinct whitish eye- 
stripe; a black band across the mantle; under surface white; bill 
blue-black, the tail yellow, tarsi and toes light blue. Length 12 in, 
wing 7°6 in. 
* To its ‘chequered’ appearance, like the black pad white squares of a draught- 
board, the bird is indebted for its French name, Damier; its Spanish equivalent is 
Pintado. 
