Vol. XVI 



Oberholser on the Genus Contopus. 3 37 



desirable to distinguish by name the Central American form it 

 should be called either Blacicus depressirostris or Blacicus andinus 

 depressirostris. 



Like B. brachytarsus the present species is hardly a typical 

 Blacicus, having less conspicuous rictal bristles and rather longer 

 wings than B. caribaeus ; but although both have heretofore been 

 placed in Contopus they undoubtedly belong in Blacicus. 



Blacicus pileatus (Ridgway). 



Contopus pileatus Ridgway, Proc. U. S. Nat. Mus. VIII, 1885, 21. 

 Geog. Dist. — Unknown . 



The type, in the collection of the American Museum of 

 Natural History, still remains the sole representative of this very 

 interesting species. It seems to be quite distinct. 



Blacicus cinereus (Spix). 



Platyrhynchus cinereus Spix, Av. Bras. II, 1825, 11, pi. 13, fig. 2. 

 Tyrannula curtipes Swainson, Orn. Draw. 1834-41, pi. 54. 

 Geog. Dist. — Southeastern Brazil. 



Blacicus nigrescens (Sclater & Salvin). 



Myiochanes nigrescens Sclater & Salvin, Proc. Zool. Soc 1S80, 157. 

 Geog. Dist. — Ecuador. 



To the authorities of the American Museum of Natural History 

 and of the National Museum the writer wishes to express his 

 indebtedness for the use of the material employed in the prepara- 

 tion of this paper. He is further under great obligations to Mr. 

 Ridgway for many valuable suggestions. 



