CHAR. Legs moderate. Nostrils elongated, linear, with the frontal
feathers extending close to the edge and to anterior extremity,
concealing them; these feathers short, velvety, and erect, with few
bristles. Wings very long and acute; outer or first primary so much
reduced as to be almost inappreciable; the second nearly the longest.
Wing nearly twice the length of the short, narrow, even tail. Under
coverts of tail reaching almost to its tip. Secondary quills with flat
horny appendages at end of shaft like red sealing-wax. Young birds
streaked beneath as in _Dulus_. Adults plain.
Of this family as restricted, we have but a single genus in America.