Geothlypis, Cabanis, Wiegmann’s Archiv, 1847, I, 316, 349.—Ib. Schomburgk’s Reise, Guiana, 1848.
Gen. Char. Bill sylvicoline, rather depressed, and distinctly notched; rictal bristles very short or wanting. Wings short, rounded, scarcely longer than the tail; the first quill shorter than the fourth. Tail long; much rounded or graduated. Legs stout; tarsi elongated, as long as the head. Olive-green above, belly yellow. Tail-feathers immaculate. Legs yellow.
Throat yellow … Series I.
Throat ash … Series II.
Series I.
A. Black mask extending beneath the eye and on the auriculars.
1. G. trichas. Black mask bordered along its posterior edge with pale ashy or whitish; maxillæ black. Sexes dissimilar. ♀. Olive-brown above; throat only, distinctly yellow; no black mask. Juv. Without either black or pure yellow; above olive-brown, like ♀, beneath pale ochraceous-buff.
Abdomen almost always whitish; occiput russet-olive. Bill, from nostril, .30;. tarsus, .70; wing, 2.25; tail, 2.15. Hab. Whole of United States; in winter most of West Indies, and Middle America, north to Guatemala … var. trichas.
Colors similar; abdomen yellow. Bill, .45; tarsus, .90; wing, 2.50; tail, 2.50. Hab. Nassau; New Providence; Bahamas … var. rostrata.[52]