3. P. macronyx.[18] Scapulars and wing-coverts (both rows) with distinct greenish-white spots on tips of outer webs. 4. P. chlorosoma.[19] Scapulars and wing-coverts without trace of white spots. _Hab._ Table-lands of Mexico. (Perhaps these are two races of one species, _macronyx_.) _b._ Head and neck ashy, paler on jugulum, where the color fades gradually into the white of breast. Rump and upper tail-coverts bright rufous. 5. P. superciliosa.[20] An obsolete whitish superciliary stripe. Greater wing-coverts obsoletely whitish at tips; no other white markings on upper parts, and the tail-patches indistinct. _Hab._ Brazil. (Perhaps not genuine _Pipilo_.) B. Sides ashy or tinged with ochraceous; lower tail-coverts ochraceous, not sharply contrasted with white on the abdomen, or else the abdomen concolor with the side. Head never black, and upper parts without light markings (except the wing in _fuscus_ var. _albicollis_). _a._ Wings and tail olive-green. 6. P. chlorurus. Whole pileum (except in young) deep rufous, sharply defined. Whole throat pure white, immaculate, and sharply defined against the surrounding deep ash; a maxillary and a short supraloral stripe of white. Anterior parts of body streaked in young. _Hab._ Western Province of United States. _b._ Wings and tail grayish-brown. 7. P. fuscus. A whitish or ochraceous patch covering the throat contrasting with the adjacent portions, and bounded by dusky specks. Lores and chin like the throat. _Hab._ Mexico, and United States west of Rocky Mountains. (Five races.) 8. P. aberti. Throat concolor with the adjacent portions, and without distinct spots. Lores and chin blackish. _Hab._ Colorado region of Middle Province, United States. (Only one form known.) [18] _Pipilo macronyx_, SWAINSON, Phil. Mag. I, 1827, 434. Real del Monte, Mex.—IB. Anim. in Men. 1838, 347.—BP. Consp. 487.—SCLATER & SALVIN, 1869, 361. _Pipilo virescens_, HARTLAUB, Cab. Jour. 1863, 228, Mex.