. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. 70 LAMELLIROSTRAL SWIMMERS — ANSERES. u |; Had. Coasts of Aliska, cliiefly in the vicinity of Norton Sound, north to Point IJiirrow. Sp. Chah. Adult wale: Orbital i-uyion silky wliiti', borderiid anteriorly and pohteriorly by a vertical liiiii of velvety bluck ; lores and foreliuud white anteriorly, then olive-green, this luissing gradually into light greenish buff next to the bluck bar bounding the orbitid region anteriorly ; middle of the crown, whole occiput, and upixir imit of the nape light ol
. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. 70 LAMELLIROSTRAL SWIMMERS — ANSERES. u |; Had. Coasts of Aliska, cliiefly in the vicinity of Norton Sound, north to Point IJiirrow. Sp. Chah. Adult wale: Orbital i-uyion silky wliiti', borderiid anteriorly and pohteriorly by a vertical liiiii of velvety bluck ; lores and foreliuud white anteriorly, then olive-green, this luissing gradually into light greenish buff next to the bluck bar bounding the orbitid region anteriorly ; middle of the crown, whole occiput, and upixir imit of the nape light olive-green ; a broad stripe beneath the white orbital space, extending back to the nupe, deep silky dull green» abruptly defined except posteriorly ; remain- der of the head and neck white. Entire lower parts, including the breast and jugu- luin, rump, upper tail-coverts, tail, remiges, greater and primary wing-coverts, and aluluj plain plumbeous-drab; entire back, scap- ulare, wing-covcrts (except the greater), falcAte tertials, and patch on each side the rump jdain yellowish white; axillars pure white. Bill light reddish in the skin (orange in life); iris pale bluish; feet brownish. Adult female, in summer: Above, light ful- vous, barred with black ; jugulum, sides, flanks, ond upper tail-coverts similar ; rump darker; head and neck light grayish bulf, finely streaked with dusky, the throat near- ly immaculate ; abdomen and anal region plain grayish brown ; greater wing-coverts, remiges, and rectrices gniyish brown, the first, with the secondaries, indistinctly tii)]}ed with white. Total length, about inches ; wing, ; tarsus, ; commissure, The female and young birds of this beautiful siwcies may be distinguished from the other Eiders (of the genus Soimiteriu) by the peculiar feathering over tlie base of the bill (extending to the nostril, as in the adult male), and by the distinctly iiulicated Male. circumorbital ring. We are indebted to Mr. Dall for th
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
