290 BROOKLYN INSTITUTE MUSEU.M. SCIENCE BULLETIN 2. 6. 



in color than females from La Murelia with a greater suffusion of huffy 

 on the under parts and more rufous or hazel ahove, particularly on the 

 crown and occiput. 



HvLOPHYLAx PUNCTULATA (Des Murs). 



Rhopothcra piiiictulata Des Murs, Voy. Casteln., Ois. p. 53. 

 Hypocncmis pitiictulata Hellmayr, Novit. Zool. XIV. 1907. p t,~/ (La 



Pricion. Caura River, Venez.). 



There is a pair in the American Museum collection from La Union, 

 Caura Riv. 



Hylophylax naevia consobrina Todd. 

 Pipra naevia Gm., Syst. Nat. L 1788. [). 1003. 

 Hypocnemis naevia Berlepsch & Hartert, p. 79. 



H[ylo phyla x'\ ^naevia Ridgway. Birds of N. & M. Amer. V: p. 128. 

 Hylophylax consobrina Todd, Proc. Biol. Soc. Wash. XXVI : 1913: 172 



(Rio Mocho, Rio Caura, Venezuela). 



Not observed on the Orinoco, but recorded from La Pricion on the 

 Caura River by Berlepsch and Hartert. 



Miller and Iglseder collected a pair of birds at the foot of Mount 

 Duida, Upper Orinoco (American Museum collection) that probably 

 belongs to this race. I have however only a single example (from 

 "Napo") that may be referred to naevia naevia for comparison. The 

 differences are not marked, but perhaps sufficient to constitute a good 

 race. The abdomen, flanks and under tail-coverts are pale buft'y instead 

 of dark ochraceous buff. The buffy spots on the mantle are also larger. 



Myrmoborus leucopiirys (Tschudi). 



Pithys leucophrys Tsch. in Weign. Arch. 1844. p. 18 (Peru, ''Flnss 



Tullnmayo"). 

 Myrmoborus leucopiirys Cab. et Hein. Mus. Hein. II: (1859) : 9. 

 Hypocnemis leucophrys Berlepsch & Hartert, p. 78. 



Common on the upper river above the falls of Maipures, also 

 recorded from points on the Caura River by Berlepsch and Hartert. 



Myrmoborus myiotherina myiotherina (Spix). 

 Thamnophilus myiotherinus Spix, Av. Bras. II. 1825. p. 30, PI. 42, fig. i. 

 Myrmoborus myiotherinus Cab. et Hein. Mus. Hein. ii (1859) : 9. 



