. A history of British birds, indigenous and migratory: including their organization, habits, and relations; remarks on classification and nomenclature; an account of the principal organs of birds, and observations relative to practical ornithology .. . similar, but with the crownbrownish-white. 4. Picus viridis. Green Woodpecker, Upper parts yellowish-green, with crimson on the head. GENUS II. YUNX. WRYNECK. Bill shortish, slender, straight, tapering, acute. Tail-featherssoft and rounded at the end. 1. Yimcv Torquilla. Wryneck. Upper parts brownish-grey,spotted, undulated, and dotted with bla
. A history of British birds, indigenous and migratory: including their organization, habits, and relations; remarks on classification and nomenclature; an account of the principal organs of birds, and observations relative to practical ornithology .. . similar, but with the crownbrownish-white. 4. Picus viridis. Green Woodpecker, Upper parts yellowish-green, with crimson on the head. GENUS II. YUNX. WRYNECK. Bill shortish, slender, straight, tapering, acute. Tail-featherssoft and rounded at the end. 1. Yimcv Torquilla. Wryneck. Upper parts brownish-grey,spotted, undulated, and dotted with blackish-brown. 73 PICUS. WOODPECKER. Bill rather long, stout, conical, pentagonal, straight, later-ally bevelled at the tip so as to present an edged, abrupt, wedge-like termination : upper mandible with the dorsal outline de-clinate and straight, the ridge sharp, the sides flat and sloping,with a longitudinal ridge, the edges a little inflected, the tipnarrow and truncate ; lower mandible with the angle short andrather narrow, the dorsal line ascending and straight, the sidesflattened and nearly erect at the base, but beyond the anglesloping, and more or less convex, the edges slightly inflected,the tip slightly truncate ; the gape-line The upper mandible within is slightly concave, with threelongitudinal prominent lines, the lower more deeply concave,with a median prominent line. The tongue is extensile, long,slender, subcylindrical, fleshy, with a horny, tapering point,of which the margin, and usually part of the upper surfaceare covered with acicular reversed prickles. The oesophagusis of moderate width, without crop, but dilated at the lower 74 PICUS. WOODPECKER. part into a large sac, on which the proventicular glands aredispersed. Stomach of moderate size, roundish, a little com-pressed ; its muscular coat thick and composed of large fasci-culi, the epithelium thin, dense, longitudinally rugous. In-testine of moderate length and very wide ; no coeca; cloacavery
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Keywords: ., bookcentury1800, bookidhistoryofbr, booksubjectbirdsgreatbritain
