178 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Empidonax pectoralis Lawr. Central Mexico. 

 Contopus ardesiaciis {Lafr.). Venezuela to Ecuador, 

 ochraceus Scl. et Salv. Costa E,ica. 

 brachy tarsus Scl. Mexico to Colombia ; Amazons, 

 schotti Lawr. Tucatan. 

 Blacicus blancoi Gundl. Porto Rico. 

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



nigrescens Scl. et Salv. Ecuador. 

 Myiarcbus magnirostris ((rm?/). Galapagos Island, 

 semirufus Scl. et Salv. Peru, 

 cephalotes Stolsm. Peru, 

 apic alis Scl. et Salv. Interior of Colombia. 

 Xyrannus niveigularis Scl. Western Ecuador, 

 albigularis Burm. Eastern Brazil, 

 aurantio-atro-cristatus Lafr. et cCOrh. Argentine Eepublic, 



Bolivia, and Eastern Peru, 

 apolites [Cab. & Hein.). (Hab. ignot). 



Family Piprid^. 



Piprites pileatus (Temm.). Brazil, 

 chloris {Temm.). Brazil. 



chlorion (Cah.). Guiana, Amazons, and Colombia, 

 griseiceps Salv. Costa Eica. 

 tschudii (Jaban. Peru. 

 Xenopipo atronitens Cah. Guiana and Colombia. 

 Pipra heterocerca Scl. Amazons, 

 flavicollis Scl. Amazons. 



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

 cornuta Spix. Upper Amazons, 

 nattereri Scl. Amazons. 

 ciBruleocapilla Tsch. Peru, 

 virescens Pelz. Amazons. 

 Neopipo ciunamomea Lawr. Upper Amazons. 

 Machffiropterus pyroceiihalus Scl. Amazons and interior of Brazil. 

 Chiroxiphia regina Scl. Upper Amazons. 

 Metopothrix aurantiaca Scl. et Salv. Upper Amazons. 

 Chiromachaeris coronata Bouc. Colombia. 

 Heteropelma turdiDum (Max.). Brazil. 



wallacei Scl. et Salv. Lower Amazons. 



amazonum Scl. Upper Amazons and Colombia. 



stenorhynchum Scl. et Salv. Venezuela. 



virescens (Max.). Brazil. 



flavicapillum Scl. Brazil. 



chrysocephalum Pelz. Interior of Brazil and Amazons. 



aurifrons {Max.). Brazil. 



