_Auriparus_, BAIRD, Rev. Am. Birds, 1864, 85. (Type, _Ægithalus
flaviceps_, SUND.)
GEN. CHAR. Form sylvicoline. Bill conical, nearly straight, and very
acute; the commissure very slightly and gently curved. Nostrils
concealed by decumbent bristles. Wings long, little rounded; the first
quill half the second; third, fourth, and fifth quills nearly equal,
and longest. Tail slightly graduated. Lateral toes equal, the anterior
united at the extreme base. Hind toe small, about equal to the
lateral. Tarsus but little longer than the middle toe.
This genus is closely allied to _Paroides_ of Europe, as shown in
Birds of North America (p. 399), though sufficiently different. It is
much more sylvicoline in appearance than the other American _Paridæ_.
Auriparus flaviceps, BAIRD.