. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. KEY TO FAMILIES. LAND BIRDS. GROUP 1. Birds having wings less than inches long.* (1.) Smallest of our birds; bill, very sleuder; primaries, 10; rectices, 10; feet, very small aud weak. Family TROCHILID/E. Humming Birds. See page 199. (2.) Tail, rounded; the outer feathers, shorter thau mid- lUe ones; first primary, less thau two tliirds as loug as third; â second primar)', mucli sliorter thau third; tarsus, scutellate. ^^° Family TROQLODYTID/E. Wrens, Thrashers, etc. Subfamily TROGLODYTIN/E. Wr
. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. KEY TO FAMILIES. LAND BIRDS. GROUP 1. Birds having wings less than inches long.* (1.) Smallest of our birds; bill, very sleuder; primaries, 10; rectices, 10; feet, very small aud weak. Family TROCHILID/E. Humming Birds. See page 199. (2.) Tail, rounded; the outer feathers, shorter thau mid- lUe ones; first primary, less thau two tliirds as loug as third; â second primar)', mucli sliorter thau third; tarsus, scutellate. ^^° Family TROQLODYTID/E. Wrens, Thrashers, etc. Subfamily TROGLODYTIN/E. Wrens. See page .312. GROUP 2. Birds having wings from to inches long.* Section 1. First primary, less than half as long as third. Part I. Tip of upper mandible, witli small but distinct hook or notch. (1.) Toes, joined at base. Plain colored birds, usually greenish or giayish, but often show a faiut wash of yellow on underparts; tail, always without wliite 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
