(RED-TOPPED TYRANT.)
+Ptyonura rufivertex+, _Burm. La-Plata Reise_, ii. p. 461 (Mendoza).
_Description._--Above clear cinereous; lores and short
superciliaries whitish; well-defined nape-patch bright rufous; wings
brownish; upper tail-coverts and tail black, outer margin of outer
rectrix white: below clear cinereous white, brighter on lower belly,
crissum, and under wing-coverts; bill and feet black: whole length
6·5 inches, wing 4·0, tail 2·8. _Female_ similar.
_Hab._ Peru, Bolivia, Chili, and Western Argentina.