. Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Illustrated by 6 steel plates and upwards of 250 woodcuts. Birds. LAEID^, TEENS. GEN. 287-^ 317 inch. Arctic America, apparently very rare ; I liave never seen a specimen, and do not l^now of any in tliis conntrj^ Rich., F. ii, 427 ; Ndtt., ii, 295; Aud., vii, 130; Lawe. in Bd., 856; Coues, I. c. 311. rosea. 287-8. Genus XEMA Leach. ^'5 «> Forlc-tailed Gull. Adult: white, inchiding inner primaries, m
. Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Illustrated by 6 steel plates and upwards of 250 woodcuts. Birds. LAEID^, TEENS. GEN. 287-^ 317 inch. Arctic America, apparently very rare ; I liave never seen a specimen, and do not l^now of any in tliis conntrj^ Rich., F. ii, 427 ; Ndtt., ii, 295; Aud., vii, 130; Lawe. in Bd., 856; Coues, I. c. 311. rosea. 287-8. Genus XEMA Leach. ^'5 «> Forlc-tailed Gull. Adult: white, inchiding inner primaries, most of secondaries, and greater coverts; head enveloped in a slate-colored hood, succeeded by a velvety-black collar; mantle slaty-bine, extending quite to the tips of the tertiaries ; whole edge of the wing, and first 5 primaries, black, their extreme tips, and the outer half of their inner webs to near the end, white ; bill black, tipped with yellow ; feet black ; length 13-14; wing 10-11; bill 1; tarsus 1^; tail b, forked aw inch or more. The changes of plumage are correspondent with those of h. pldladelplda; in the young the tail is often simply emarginate. Arctic America, both coastwise and in the interior, common, but still rare in collections; in winter, S. occasionally to New York (Audubon) and Utah (Allen). Rich., F. ii, 428 ; K"utt,, ii, 296 ; Aud., vii, 127, pi. 441; Lawr. in Bd., 857 ; Coues, I. c. 311. sabinei. ^. /- Cl Swallow-tailed Gull. Head and nearly all the neck grayish-brown ; a white spot on each side of the forehead ; mantle grayish-white ; lesser wing coverts white, greater slate, white-ljordered ; bill black at the l:)ase, white at the end, much bent; eyes and feet red; e3'elids orange; claws black; tail white, very much forked. Length about 2 feet. "; This bird appears to be exceedingly rare; no one in this country has seen it. The de- scription is compiled from the original account. Lams furcatus Neboux, Rev. Zool. 184
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, bookyear1872
