PELECANIDA:—PELICANS. 177 
Genus SULA. 
GANNET. 
Sula bassana (Zzzz). 
Adult: Head and neck duff, which increases with age; all’ 
the rest of the plumage white, except primaries, which are black ; 
bill horny-white ; naked skin of the face bluish-black ; irides 
pale straw-yellow ; legs and toes in-front green, otherwise 
nearly black. Length 30 to 34 inches; culmen 4°75 ; wing 
19°75 to 195 taieS;25; tarsus 2/7. 
‘In the bird of the first year the bill is almost black ; the 
general plumage mottled dusky-ash and buff below, and 
blackish-brown above, flecked with white. 
‘Tn the second year the under parts are principally white, the 
head and neck being streaked with ash-brown; wings and 
mantle still dark, with fewer white spots. The third year the 
head and neck are white with a little tinge of buff, and the 
mantle is diversified with white, especially on the scapulars and 
secondaries ; tail also shows some white; bill nearly white. 
During the fourth and fifth years the white gradually increases 
and pervades the upper parts, and in the sixth year the bird 
attains full plumage” (Saunders). 
Distribution : Inhabits the coasts of Northern Europe and 
the Atlantic coasts of North America. 
Habitat : Strictly marine. Rocky islands. Gregarious. 
Note—In a specimen in first plumage in the author’s collection, the bill is 
horn-brown, paler beneath, 
Genus PELECANUS. 
ROSEATE OR WHITE PELICAN. 
Pelecanus onocrotalus Zzzz. 
Adult: Crown feathers somewhat elongated; primaries 
black ; secondaries blackish on inner webs ; tuft of feathers on 
chest yellowish-brown ; rest of plumage white, tinged with rose- 
colour, feathers of forehead pointed towards culmen ; bare parts of 
head and gular pouch pale yellow ; egs and feet rosy-pink ; bill 
N 
