Birds of America
By John James Audubon, F. R. SS. L. & E.
GENUS II.--TROGLODYTES, Cuv. WREN.
Bill of moderate length, or nearly as long as the head, slender, slightly
arched, much compressed toward the end; upper mandible with the dorsal line
slightly convex, the edges a little inflected toward the end, the notches
slight, the tip rather acute; lower mandible with the angle rather long and
narrow, the outline slightly decurved, the sides erect and convex, the edges
inclinate, the tip acute. Nostrils oblong, operculate, exposed. Head oblong;
neck short; body slender. Feet of ordinary length, rather strong; tarsus longer
than the middle toe, compressed, with eight anterior distinct scutella; toes of
moderate size, the third and fourth united at the base, the first very large,
the lateral nearly equal; claws rather long, moderately arched, much compressed,
very acute. Plumage soft and blended. Bristles obsolete. Wings of moderate
length, or short, convex, much rounded; the first quill very small, the fourth
and fifth longest. Tail rather short, rounded, of twelve slightly arched, weak,