. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. 84 KEY TO TFIE HIRDS OF KASTEKN iNOHTH AMEUICA. SUBFAMILY CYQNIN/E. Swans. Bare skin, between the bill and eye; tarsus, reticulate; neck, very long; wing, over 19 inches long. General plumage, white; bill, l)bick willi j-ellow spot (adult); distauce from tip of bill to nostril, less tliuii distuiiCK from uostril to eye (immature birdi are gray or brownish !;''iiy)- Common on some parts of the coast. Olar Columbian us. Whistling Swan. See No. 13G. General plumage, white; lull, black, showing no yellow
. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. 84 KEY TO TFIE HIRDS OF KASTEKN iNOHTH AMEUICA. SUBFAMILY CYQNIN/E. Swans. Bare skin, between the bill and eye; tarsus, reticulate; neck, very long; wing, over 19 inches long. General plumage, white; bill, l)bick willi j-ellow spot (adult); distauce from tip of bill to nostril, less tliuii distuiiCK from uostril to eye (immature birdi are gray or brownish !;''iiy)- Common on some parts of the coast. Olar Columbian us. Whistling Swan. See No. 13G. General plumage, white; lull, black, showing no yellow; distauce from tip of bill to nostril, more than distance from uostril to eye. Chiefly found iu the interior of North America ; not coumion on the coast. Ohiv hucciniitor. Trumpeter Swan. See No. Olor columbianu General plumage, gray, or brownish gray; birds of this description Tnay be the youiiKof either of the above species, the difference in the distauce from the bill to the eye beiug- ehiiracteristic as in the old 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 Cory, Charles B. (Charles Barney), 1857-1921; Field Columbian Museum. Chicago, Special edition printed for the Field Columbian Museum
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Keywords: ., bookauthorfiel, bookcentury1800, bookdecade1890, booksubjectbirds
