Pipilo fuscus, Swainson.
Synopsis of the Varieties.
Common Characters. Grayish-brown above, with a more or less appreciable rufous tinge on the crown. A patch covering the throat, ochraceous or white, contrasting with the surrounding portions, and encircled more or less completely, especially posteriorly, by dusky spots; lores like the chin. Crissum deep ochraceous, the lower part of abdomen tinged more or less with the same.
A. No trace of white tips to middle wing-coverts. Throat ochraceous.
a. Crown only faintly tinged with rufous.
1. Abdomen pale grayish-brown; throat and lores deep reddish-ochraceous; the deep ochraceous confined posteriorly to lower tail-coverts. Wing, 3.90; tail, 5.00. Hab. California … var. crissalis.
2. Abdomen distinctly white centrally, but surrounded by grayish laterally and anteriorly; throat and lores pale ochraceous; deep ochraceous of crissum extending forward over lower part of abdomen. Wing, 3.80; tail, 4.00. Hab. Mexico … var. fuscus.[24]
b. Crown very distinctly rufous.
3. The ochraceous of posterior under parts spreading over whole lower part of abdomen and flanks. Ochraceous of the throat palest anteriorly, the chin and lores being almost white; it spreads over the jugulum also, outside the series of rather scattered dusky
spots. Whole breast white. Wing, 3.80; tail, 4.30. Hab. Southern Middle Province of United States … var. mesoleucus.