2l6 BROOKLYN INSTITUTE MUSEUM. SCIENCE BULLETIN 2. 6. 



. Belly and crissum bright ochraceous 

 buff .............................. 



'. Belly not ochraceous buff. 



p. Pileum black or blackish in rather 



marked contrast with the olive green 



back and both maxilla and mandible 



black ........................... 



p'. Pileum not black nor blackish in 



marked contrast with the olive green 



back; or else mandible pale. 



q. Inner webs of rectrices edged with 



rufous ........................ 



q'. Inner webs of rectrices not edged 



with rufous. 



r. Throat and upper breast grey 

 not separated by a darker band 

 of olive or olive greyish from 

 the yellow or pale yellow of the 

 belly. 



s. With more or less well defined 

 wing-bands formed by light 

 tips to greater and median 

 coverts. 



t. Tips to wing-coverts cinna- 

 mon brown .............. 



t'. Tips to wing-coverts pale 

 greyish or buff y white ..... 



s'. No well denned wing- bands . . 



r'. Breast olive or olive greyish 



separating grey of throat from 



pale yellowish or whitish of 



belly. 



s. With prominent well defined 



cinnamon brown wing-bands. . 



t. If wing-bands are present 



they are not cinnamon 



brown (pale whitish, yellow- 



ish or dusky). 



u. Mandible almost wholly 

 black or blackish ....... 



u'. Mandible almost wholly 



pale or dusky. 

 v. Middle of belly and 

 crissum a rather bright 

 pale yellow .......... 



v 1 . Middle of belly and 

 crissum only faintly if 

 at all washed with 

 yellowish. 



w. Tarsus less than 

 one-fifth as long as 

 wing ............. 



w'. Tarsus more than 

 one-fifth as long as 

 wing ............. 



Terenotriccus erythrurus ery- 

 thrums. 



Myiarchus tuberculifer. 



Myiarchus tyrannulus. 



Phaeomyias murina incompta. 



Sublegatus brevirostris glaber. 

 Myiarchus ferox venezuelensis. 



Empidocha nes cabanisi. 



Empidochanes arenaceus. 



Empidonax laivrencei. 



Myiochanes brachytarsus. 

 Elaenia cristaia. 



FLUVICOLA PICA (Boddaert). 

 Muscicapa pica Bodd., Tabl. PI. Enl. 1783. p. 42. 

 Fluvicola pica Berlepsch & Hartert, p. 34. 



Native name Viudita. Common, frequenting the edges of ponds 

 and streams and keeping to the low underbrush. 



Not observed above the mouth of the Meta. 



In life the eye is seal brown ; bill and feet black. 



Birds in immature plumage have the primaries and secondaries 

 dusky brownish with the white tips and edgings that are so prominent 

 in the adults, nearly obsolete ; top of head blackish with browmsft wash ; 



