CHERKIK: ORNITHOLOGY OF THE ORINOCO REGION. 291 



Hypocnemis myiotherina Berlepsch & Hartert, p. 78. 



Hypocnemis myiotherina myiotherina Hellmayr, Novit. Zool. XIV. 1907. 



p. 20. 



Not noted on the Orinoco but recorded from its tributary the 

 Caura, from La Pricion and Nicare. 



MYRMOBORUS MELANOPOGON (Sclater). 

 Hypocnemis melanopogon Scl., P. Z. S. 1857. p. 130; Berlepsch & 



Hartert, p. 78; Hellmayr, Novit. Zool. XIV: 1907: 381. (Orinoco 



River and Caura River localities). 



Not noted as common at any point, but observed all the way 

 from Altagracia to above the falls. Also recorded by Berlepsch and 

 Hartert from points on the Caura River, and in 1907 I found this 

 species common along the San Feliz River near its junction with the 

 Cuchivero River. 



PITHVS ALBIFRONS (Linnaeus). 



Pipra albifrons Linn., Syst. Nat. ed. 12. I. 1766. p. 339. 

 Pithys albifrons Berlepsch & Hartert, p. 79. 



Rare, seen only on the upper river at Munduapo and Nericagua. 

 Usually in company with other species of Ant-Thrushes and Wood- 

 hewers following in the wake of the foraging ants. 



Berlepsch and Hartert also record specimens from Suapure and 

 Nicare on the Caura River. 



ANOPLOPS RUFIGULA PALIDUS Cherrie. 

 Anoplops rufigula palidus Cherrie, Sci. Bull. Bklyn. Inst. Mus. 1909. 



p. 390 (Type, $ ex Suapure, Caura River, Venez.). 



Similar to A. rufigula rufigula from Cayenne, but smaller and 

 much less deeply colored above, being olive brownish with a slight 

 rufous wash, while Cayenne birds are a deep rich umber brown 

 with olive wash. The type specimen measures : wing 74 mm. ; tail 

 47 -mm. 



RHOPOTERPE TORQUATA TORQUATA (Boddaert). 



Formicarius torquatus Boddaert, Tabl. PI. Enl. 1783. p. 43 (ex Dubentori 

 PI. enl. 700. Fig. i.) (Type, ex Cayenne apud Berlepsch.) 



There are two specimens in the American Museum collection se- 

 cured by Klages at Suapure on the Caura River: $ September 11, 

 1901 ; $ February 8, 1901. 



Not before recorded from the Orinoco region. 



