4. The ochraceous of under parts confined to crissum and anal region; ochraceous of the throat palest posteriorly, where it is nearly white, and confined within the encircling series of rather coalesced dusky spots. Abdomen, only, white. Wing, 3.80; tail, 4.20. _Hab._ Cape St. Lucas ar. _albigula_. B. Middle coverts distinctly, and greater obsoletely, tipped with white. Throat white crossed by an ochraceous band. 5. Crown without a trace of rufous. Dusky spots surrounding the white gular patch, coalesced posteriorly into a narrow crescent. Whole breast and abdomen white, somewhat broken anteriorly. Flanks and lower tail-coverts ochraceous. Wing, 3.30; tail, 3.70. _Hab._ Mexico. (var. ?) _albicollis_.[25] [24] _Pipilo fuscus_, SW. Phil. Mag. I, 1827, 434 (Temiscaltepec).—IB. Anim. in Menag. 1838, 347.—BP. Consp. 1851, 487.—SCLATER, P. Z. S. 1856, 304 (Cordova). _? Kieneria fusca_, BP. C. R. XL, 1855, 356. SP. CHAR. Above dull olive-brown; the top of head having the central portion of feathers tinged (inconspicuously and obscurely) with rufous. Chin and throat pale rufous, bordered by dusky streaks; a single dusky spot in lower part of jugulum. Belly and flanks behind, anal region and crissum, rather darker rufous. Sides grayish-olive, lighter than the back, tingeing the breast, and leaving only a small patch in the centre of under parts white, shading into the surrounding ashy-brown. Fourth and fifth quills longest; first shorter than ninth, or than secondaries. _Dimensions_ (prepared specimen): Total length, 7.75; wing, 3.80; tail, 4.20; exposed portion of first primary, 2.30; of longest (measured from exposed base of first primary), 3.03. Bill: Length from forehead, .65; from nostril, .40. Legs: Tarsus, .95; middle toe and claw, 1.00; hind toe and claw, .68; claw alone, .36. _Hab._ Highlands of Mexico. The specimen described is from the city of Mexico, and belongs to Mr. G. N. Lawrence; others before us are from Temiscaltepec (the original locality of Swainson’s type), Guadalaxara, and Tepic.