178 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Empidonax pectoralis Lawr. Central Mexico. 

 Contopus ardesiacus (Lafr.). Venezuela to Ecuador, 

 ochraceus Scl. et Salv. Costa Rica. 

 brachytarsus Scl. Mexico to Colombia ; Amazons, 

 scbotti Lawr. Yucatan. 

 Blacicus blancoi Gundl. Porto Eico. 

 Myiocbanes cinereus {Spix). Brazil, Amazons, and Ecuador. 



nigrescens Scl. et Salv. Ecuador. 

 Myiarcbus magnirostris (G^r«?/). Galapagos Island, 

 semirufus Scl. et Salv. Peru, 

 cepbalotes Stolzm. Peru, 

 apic alis Scl. et Salv. Interior of Colombia. 

 Q^rannus niveigularis Scl. Western Ecuador, 

 albigularis Burm. Eastern Brazil, 

 aurantio-atro-cristatus Lafr. et d'Orb. Argentine Republic, 



Bolivia, and Eastern Peru, 

 apolites {Cab. & Rein.). (Hab. ignot). 



Family Piprid^. 



Piprites pileatus (Temm.). Brazil, 

 chloris {Temm.). Brazil. 



clilorion (Cab.). Guiana, Amazons, and Colombia, 

 griseiceps Salv. Costa Rica, 

 tschudii Caban. Peru. 

 Xenopipo atronitens Cab. Guiana and Colombia. 

 Pipra heterocerca Scl. Amazons, 

 flavicollis Scl. Amazons. 



fasciata Lafr. Amazons, interior of Brazil, Peru, and Bolivia, 

 cornuta Spix. Ui)per Amazons, 

 nattereri Scl. Amazons, 

 cseruleocapilla Tsch. Peru, 

 virescens Pelz. Amazons. 

 Neopipo cinnamomea Lawr. Upper Amazons. 

 Macbseropterus pyrocephalus Scl. Amazons and interior of Brazil. 

 Chiroxiphia regina Scl. Upper Amazons. 

 Metopotbrix aurantiaca Scl. et Salv. Upper Amazons. 

 Chiromacbseris coronata Bo7(c. Colombia. 

 Heteropelma tnrdinum {Max.). Brazil. 



Wallace! Scl. et Salv. Lower Amazons. 



amazonum Scl. Upper Amazons and Colombia. 



stenorbyncbum Scl. et Salv. Venezuela. 



virescens {Max.). Brazil. 



iiavicapillum Scl. Brazil. 



cbrysocepbalum Pels. Interior of Brazil and Amazons. 



aurifrons {Max.). Brazil. 



