Diagnosis.—Coloration of adult males: Pileum, hindneck, back, scapulars, and upper tail coverts Black (capitalized color terms after Ridgway, Color Standards and Color Nomenclature, Washington, D. C., 1912), with Bluish Gray-Green gloss; rump Lemon Yellow tinged with Olive; lower breast and abdomen Gull Gray or Slate Gray; sides and flanks clear Lemon Yellow; lower chest, upper breast, and under tail coverts Yellowish Olive-Green, extending to patch on sides and flanks of same color; bill and feet Black or Blackish Brown. Coloration of adult females: Most of upper parts Olive-Green, with Yellowish Olive on rump; thighs Olive-Gray, as are sides of head; rest of coloration as in male. Coloration of young: As in adult female, but duller throughout.

Measurements.—Wing 99.0, tail 88.5, culmen 15.2, tarsus 28.4.

Range.—Highlands of Costa Rica and extreme western Panamá (Volcán de Chiriquí).

Phainoptila melanoxantha minor Griscom

Phainoptila

Phainoptila melanoxantha minor Griscom, Amer. Mus. Novitates, 141:7, 1924.

Diagnosis.—Coloration as in P. m. melanoxantha, but female with hindneck more extensively gray and of slightly darker shade; rump, upper tail coverts, and edgings to tail feathers slightly greener, less yellow; average size smaller than in P. m. melanoxantha.

Range.—Highlands of westeran Panamá (Cerro Flores and eastern Chiriquí).

Genus Ptilogonys Swainson

Ptilogonys Swainson, Cat. Bullock's Mex. Mus., App. 4, 1824. Type Ptilogonys cinereus Swainson.