ALCINiE. URIA. 
349 
478. 1. Uria antiqua, Gmel. Black-throated Guillemot. 
PiATE CCCCII. Fig. 1. Adult. Fig. 2. Young. 
Bill yellow^ shorter than the head, rather stout, compressed toward 
the end, the upper outline arched ; feet yellow ; head and upper part 
of neck black, excepting a band' of elongated linear feathers beginning 
over the eye and extending down the hind part of the neck, and a 
broad band of white commencing behind the ear and curving forwards, 
to join the white, which is the general colour of the lower parts, with 
the exception of the flanks, which are black ; back, wings, and tail 
greyish-black. Young, when fledged? with the bill black, the feet 
dusky ; the upper parts blackish-grey, each feather black in the centre, 
the lower parts greyish-yellow, transversely barred with dusky ; the 
tail broadly tipped with white. 
Adult j 10^, wings, 
North-west coast of America. Abundant, 
Alca antiqua, Gmel. Syst. Nat. v. i. p. 551. 
Black-throated Guillemot, Uria antigua, Aud. Orn. Biog. v. v. p. lOO. 
\ 
479. 2. Uria occidentalis, Bonap. Horned-billed Guillemot, 
Plate CCCCII. Fig. 5. Adult. 
Bill orange-yellow, shorter than the head, stout, straight, with the 
dorsal line arched, and an oblong compressed knob on the ridge be- 
tween the nostrils, which are linear, and placed in the bare skin j feet 
greyish-yellow ; upper parts black, as are the cheeks, the upper part 
and sides of the fore neck ; the lower parts white ; two decurved bands 
of white slender feathers on each side of the head, one commencing 
over the eye, the other at the angle of the mouth ; tail very short, even, 
of sixteen feathers. 
Adult, 15|, wing, 6 j§. 
North-west coast of America. 
Cerorhyncha occidentalis, Bonap. Syn. p. 428; 
Western cerorhyncha, Nott. Man, v. ii. p. 538. 
Horned-billed Guillemot, Ceratorhyncha occidentalis, Ann. Orn. Biog; v. v. p. lo4. 
480. 3. Uria Brunnichii, Sabine. Large-billed Guillemot. 
Plate CCCXLV. Male. 
Bill stout, black ; feet dusky, tinged with red ; general colour of 
plumage greyish-black on the upper parts ; sides of the head and 
throat tinged with brown ; lower fore part of neck, the breast, abdo- 
men, edges of wings and tips of secondaries white ; sides streaked 
with greyish-black. In winter the sides of the head and neck, the 
fore part of the latter, with the rest of the lower parts white, the sides 
streaked with greyish-black, and a line of the same behind the eye. 
ATuIb, I 82 , 30. 
