. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. Pointed or cuneate tail Forked tail Oraduated tail The small feathers overlapping the rectices are called upper tail coverts, while those below are the under tail coverts or crissum. (For illustration of tail coverts and crissum, see Topography of a Bird.). 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
. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. Pointed or cuneate tail Forked tail Oraduated tail The small feathers overlapping the rectices are called upper tail coverts, while those below are the under tail coverts or crissum. (For illustration of tail coverts and crissum, see Topography of a Bird.). 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 Museum of Natural History. Chicago, Special edition printed for the Field Columbian museum
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Keywords: ., bookauthorcory, bookcentury1800, bookdecade1890, booksubjectbirds
