137. _Platyrhynchus mystaceus_ (Vieill.). (Broad-billed Tyrant.) 136
138. _Euscarthmus margaritaceiventris_ (d'Orb. et Lafr.).
(Pearly-bellied Tyrant.) 136
Argentine Ornithology, Volume 1 (of 2) A descriptive catalogue of the birds of the Argentine Republic. · 第 127 / 455 题