. La clé pour les oiseaux nord-américains. Contenant un compte rendu concis de toutes les espèces d'oiseaux vivants et fossiles à l'heure actuelle connues du continent au nord de la frontière mexicaine et des États-Unis, y compris le Groenland et la Basse-Californie, avec lesquelles sont incorporées l'ornithologie générale: Un aperçu de la structure et la classification des oiseaux; et l'ornithologie de champ, un manuel de la collecte, de la préparation et de la conservation des oiseaux . en train de dresser les plumes; la facture se tapant rapidement à un bout d'acutetip. Ailes pointues, mais 1ère primaire pas plus longue; habituellement 2d-4ème point d'entrée de l'aile. Taileven ou peu arrondi, de fea large

• Contributeur: Reading Room 2020 / Alamy Banque D'Images
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. 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, inclusive of Greenland and Lower California, with which are incorporated general ornithology: an outline of the structure and classification of birds; and field ornithology, a manual of collecting, preparing, and preserving birds . ting the feathers; bill rapidly tapering to an acutetip. Wings pointed, but 1st primary not longest; usually 2d-4th entering point of wing. Taileven or little rounded, of broad feathers viddening a little to very obtuse ends, somewhat divari-cate in the middle. Tarsus a little longer than the bill. Our three forms are very closelyrelated: the ^ uniform lustrous black, with bend of wing red; 8.00-9.00 long; wing 4.50-5.00;tail 3.50-4.00. The ? everywhere streaked; above blackish-brown with pale streaks, inclin-ing on head to form median and supercihary stripes; below, whitish, with many sharp duskystreaks; sides of head, throat, and bend of the wing, tinged with reddish or fulvous; under8.00; wing about 4.00; tail 3.25. The young $ at first like the $, but larger, apt to havea general huffy or fulvous suffusion, vrith bright bay edgings of the feathers of back, wings, andtail, and soon showing black patches. The ? 9 are scarcely distinguishable: the <? ^ may bedetermined as follows:. Fis. 259.— Marsh Blackbird, c?, del. Nichols sc.) reduced. (Sheppara 404 SYSTEMATIC SYNOPSIS.—PASSEBUS—OSCINES. Analysis of Species and Varieties. Middle wiug-coverts buff, bordering the bright red patch phceniceus 316 Middle wlng-coverts buff, but black-tipped, usually leaving red patch without buff border . gubemator 317Middle wing-coverts white, bordering the dark red patch tricolor 318 316. A. phoenlceus. (Gr. (jiou/liceos, phomiJceos, Lat. phceniceus, red, of a color introduced in Greeceby the Phoenicians. Fig. 259.) Blackbird. Marsh Blackbird. Eed-winged Black-b

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• bookcentury1800
• bookdecade1890
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