LARINA. LARUS. 
323 
ginate, of twelve feathers. In those which have the head 
white in summerj it is streaked with dusky in winter ; and 
those which are hooded in summer, have the head white 
and slightly streaked in winter. 
* Tail eraarginate. 
441. 1. Larus Sabini, Sabine. Fork- tailed Gull. 
Plate CCLXXXV. Fig. 1. Male. 
Tail of moderate length, forked ; bill of moderate length, rather 
slender, black, with the terminal third yellow ; feet black ; head and 
upper part of neck all round blackish-grey, that colour terminated by 
a collar of pure black ; lower neck all round, the whole lower surface, 
upper tail-coverts, and tail, pure white ; back and wings bluish-grey, 
excepting a large terminal portion of the secondaries, and the tips of 
the primaries, which are white, the primaries themselves being black, 
with their shafts brownish-black. 
Male, 13, 33, 
Accidental as far south in winter, as New York. Rather common 
along the coast of Nova Scotia. Breeds in Newfoundland, and along 
the coasts of the Arctic Seas. Seen on the banks of Newfoundland in 
great numbers. 
Larus Sabini, Fork-tailed Gull, Swains. & Rich. F. Bor. Amer. v. ii, p. 428. 
Fork-tailed Gull, Nutt. Man. v. ii. p. 295. 
Forked-tailed Gull, Lai’us Sabini, Aud. Orn. Biog. v. iii. p. 561, 
* Tail cuneate. 
442. 2. Larus Rossii, Richardson. Ross’s Gull. 
Not figured. 
Tail much rounded, the middle feathers being an inch longer than 
the lateral ; bill of moderate length, slender, black ; feet vermilion ; 
head, neck, all round, lower parts, rump and tail, white, the lower 
parts tinged with pink, which soon fades ; a narrow collar of black ; 
fore part of back, scapulars, and both surfaces of wings light greyish- 
blue ; tips of scapulars and secondaries white. 
Adult, 14 ; wing 1 0^, 
Arctic Seas, 
Larus Rossii, Cuneate-tailed Gull, Swains. & Rich. F. Bor, Amer, v. ij, p, 427. 
Ross’s Gull, Larus Rossii, Ann, Orn. Biog, v. v. p, 324. 
* -X- -x even. 
443. 3. Larus Bonapartii, Richardson. Bonaparte’s Gull. 
PfcATti cccxxiv. 
