. Bulletin - United States National Museum. Science. BIRDS OF NORTH AND MIDDLE AMERICA 103 plumbeous-black above, the outer webs often uniform plumbeous- black; secondaries uniform dark plumbeous, occasionally with traces of lighter bars below; tail plumbeous-black to black, white basally, narrowly tipped with white or deep mouse gray, and crossed by two bands (the anterior one the narrower) of white, or pinkish buff, shading to deep mouse gray posteriorly and toward the outer webs, which are often uniform mouse gray above; bill pale yellow-green with dusky tomium and black maxilla; iris white
. Bulletin - United States National Museum. Science. BIRDS OF NORTH AND MIDDLE AMERICA 103 plumbeous-black above, the outer webs often uniform plumbeous- black; secondaries uniform dark plumbeous, occasionally with traces of lighter bars below; tail plumbeous-black to black, white basally, narrowly tipped with white or deep mouse gray, and crossed by two bands (the anterior one the narrower) of white, or pinkish buff, shading to deep mouse gray posteriorly and toward the outer webs, which are often uniform mouse gray above; bill pale yellow-green with dusky tomium and black maxilla; iris white; feet orange-yellow, claws black; cere, gape, and facial skin greenish j^ellow; eye-ring and bristled loral streaked pea green; supra loral skin bright yellow. Unbarred variety: Similar to the above description, but lacking entirely or partially. Figure 9.—Chondrohierax uncinatus. the white barring on the underparts. Cinnamon-barred variety: Similar to the above description, but with, the gray barring of the underparts more or less replaced by cinnamon-brown or russet and ynih more or less indication of a cinnamon or ochraceous-tawny nuchal collar. Melanistic phase: Entire plumage deep fuscous-black, with a slight bronze-purple-green gloss; the occiput with much basal white; tail narrowly tipped with white and crossed by a smgle broad white band; bill black above, dirty olive below, tipped with black; cere and eyelids yellowish green; skin in front of eye blue-green, spot above inner angle of eye orange-yellow; iris white; feet gamboge. Adult Jemale.—Brown phase: Forehead, auriculars, and some- times the chin deep gull gray to deep neutral gTay, or dark plumbeous;. 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
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