CHERRIE: ORNITHOLOGY OF THE ORINOCO REGION. 249 



MANACUS MANACUS INTERIOR Chapman. 

 Manacns manacus interior Chapman, Bull. A. M. Nat. Hist. XXXIII ; 



1914; p. 624-625. (Type ex Villavicencio, Colombia.) Maripa 



(Caura Riv.). 

 Chiromachaeris manacus Berlepsch & Hartert, p. 53. 



A young male taken December 24th, 1898, at Maipures, at the 

 second falls on the river is the only record I have for this species. The 

 American Museum contains a series from Maripa, on the Caura. 



MACHAEROPTERUS PYROCEPHAI/US (Sclater). 

 Pipra pyrocephala Scl., Rev. Zool. 1852. p. 9. 

 Machaeropterus pyrocephalns Berlepsch & Hartert, p. 54. 



Not observed on the Orinoco. Berlepsch and Hartert report speci- 

 mens from La Pricion on the Caura River. 



SCOTOTHORUS TURDINUS AMAZONUM (Sclater). 



Heteropelma amasonum Sclater, P. Z. S. 1860. p. 466 (Chamicuros). 

 Scotothorus amasonum Berlepsch & Hartert, p. 54 (Nericagua, 



Munduapo, Orinoco River). 

 Scotothorus turdmus amasonum Hellmayr, Novit. Zool., XVII, 1910, 



P- 3io. 



Seen only in the thick forest on the upper river at Munduapo and 

 Xericagua. 



SCOTOTHORUS TURDINUS OLIVACEUS Ridgway. 



Scotothorus olivaceus Ridgway, Proc. Biol. Soc., Wash., XIX. 1906. p. 

 118 (Type, Rio -Mato, near its mouth, on the Caura River, Vene- 

 zuela, in collection Am. Mus.). 



Scotothorus wallacei Berlepsch & Hartert, p. 54 (Nicare and La 

 Pricion, Caura River, Venezuela). 



Scotothorus amasonum wallacii Hellmayr, Novit. Zool., XIII. 1906, pp. 

 363-4 (Caura River, Venezuela). 



S[cotothorus] t[urdinus] olivaceus Hellmayr, Novit. Zool., XVII., 

 1910, p. 31. 

 Not noted on the Orinoco proper, but reported by Berlepsch and 



Hartert from the Caura River. 



HETEROCERCUS FLAVIVERTEX Pelzeln. 



Heterocerus fiavivertcx Pelz, Orn. Bras., 1870. pp. 125, 186; Ber- 

 lepsch & Hartert, p. 54. 



