Page:Birds of North and Middle America partV Ridgway.djvu/105

Rh :::: e. White superciliary stripe narrower; white tip to wing-coverts smaller. (Cayenne to eastern Brazil.) Microrhopias grisea grisea, adult male (extralimital).
 * ee. White superciliary stripe broader; white tip to wing-coverts larger.
 * f. Flanks and sides less extensively white, the black of abdomen relatively broader. (San Miguél Island, Bay of Panamá.)

Microrhopias grisea alticincta, adult male (p. 82).
 * ff. Flanks and sides more extensively white, the black of abdomen relatively narrower.
 * g. Larger (wing 59.5, tail 52.5, tarsus 22). (Tobago.)

Microrliopias grisea tobagensis, adult male (extralimital).
 * gg. Smaller (wing 53-54.5, tail 46-49, tarsus 20-21). (Margarita Island, Venezuela.)

Microrhopias grisea margaritensis, adult male (extralimital).
 * dd. General color of upper parts paler (hair brown or broccoli brown). (Mainland of Venezuela and Colombia.)

Microrhopias grisea intermedia, adult male (extralimital).
 * cc. Sides of head (below eyes) and under parts buffy or whitish. (Adult females.)
 * d. General color of upper parts darker (deep grayish brown); under parts distinctly buffy.
 * e. White tip to wing-coverts much smaller; under parts (except chin, upper throat, and under tail-coverts) deep buff or ochraceous-buff.

Microrhopias grisea grisea, adult female (extralimital).
 * ee. White tip to wing-coverts much larger; under parts paler buffy.

Microrhopias grisea alticincta, adult female (p. 82).
 * dd. General color of upper parts paler (light grayish brown); under parts dull white, tinged with buff on chest and sides.

Microrhopias grisea intermedia, adult female (extralimital).