168. _Myiarchus atriceps_, Cab. (Black-headed Tyrant.) 157
169. _Empidonomus aurantio-atro-cristatus_ (d'Orb. et Lafr.).
(Black-and-yellow-crested Tyrant.) 157
Argentine Ornithology, Volume 1 (of 2) A descriptive catalogue of the birds of the Argentine Republic. · 第 155 / 455 题