(WHITE-HEADED TYRANT.)
+Arundinicola leucocephala+, _d'Orb. Voy., Ois._ p. 334 (Corrientes).
_Description._--Black; whole head and neck and a patch on the flanks
white; bill horn-colour, base of lower mandible white; feet black:
whole length 5·0 inches, wing 2·5, tail 1·8. _Female_ above
cinereous; front and sides of head whitish; tail black; beneath
white, flanks and under wing-coverts cinerascent.
_Hab._ Colombia and southwards to Argentina.
This species, which is of wide distribution, was met with in Corrientes
by d'Orbigny.