. Bulletin - United States National Museum. Science. 600 BULLETIN 50, UNITED STATES NATIONAL MUSEUM POLYBORUS CHERIWAY AUDUBONH Cassin Audubon's Caracara Adult (sexes alike).—Forehead, crown, occiput, nape, scapulars, upper wing coverts, secondaries, and inner primaries, lower back, rump, abdomen (except posteriomedian portion), sides, flanks, and thighs very dark fuscous, darkest on the top of the head; interscapu- lars cartridge buff to pale buffy white, usually whiter toward the tip, crossed by broad transverse spots (often actually bars) of deep fus-. FiGURE 44.—PolyboTus cherituay. cous-b
. Bulletin - United States National Museum. Science. 600 BULLETIN 50, UNITED STATES NATIONAL MUSEUM POLYBORUS CHERIWAY AUDUBONH Cassin Audubon's Caracara Adult (sexes alike).—Forehead, crown, occiput, nape, scapulars, upper wing coverts, secondaries, and inner primaries, lower back, rump, abdomen (except posteriomedian portion), sides, flanks, and thighs very dark fuscous, darkest on the top of the head; interscapu- lars cartridge buff to pale buffy white, usually whiter toward the tip, crossed by broad transverse spots (often actually bars) of deep fus-. FiGURE 44.—PolyboTus cherituay. cous-black, the pale interspaces narrow, and the tips whitish, the adjacent feathers of the upper back so extensively dark fuscous-black as to be merely crossed by five or more very narrow whitish bars; outermost five or six primaries basally whitish to just beyond the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
