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



o. Belly and crissum bright ochraceous 



buff Terenolriccus erylhrurus ery- 



Ihrurus. 

 o'. Belly not ochraceous buff. 



p. Pileum black or blackish in rather 

 marked contrast with the olive green 

 back and both maxilla and mandible 



black Myiarchus tuberculifer. 



p'. Pileum 7iol black nor blackish in 

 marked contrast with the olive green 

 back; or else mandible pale. 

 q. Inner webs of rectrices edged with 



rufous Myiarchus lyrannidus. 



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, 

 i. With more or less well defined 

 wing-bands formed by light 

 tips to greater and median 

 coverts. 

 /. Tips to wing-coverts cinna- 

 mon brown Phaeomyias murina incompla. 



I'. Tips to wing-coverts pale 



greyish or buffy white Siiblegatus brevirostris glaber. 



s'. No well defined wing- bands . . Myiarchus ferox venezuelensis. 



r'. Breast olive or olive greyish 



separating grey of throat from 



pale yellowish or whitish of 



belly. 



i. With prominent well defined 



cinnamon brown wing-bands.. Empidochanes cabanisi. 

 t. If wing-bands are present 

 they are not cinnamon 

 brown (pale whitish, yellow- 

 ish or dusky). 

 «. Mandible almost wholly 



black or blackish Empidochanes arenaceus. 



u'. Mandible almost wholly 

 pale or dusky. 

 V. Middle of belly and 

 crissum a rather bright 



pale yellow , . . Empidonax laivrencei. 



v'. Middle of belly and 



crissum only faintly if 



at all washed with 



yellowish. 



w. Tarsus less than 



one-fifth as long as 



wing Myiochanes brachylarsus. 



w'. Tarsus more than 

 one-fifth as long as 

 wing Elaenia cristaia, 



Fluvicola pica (Boddaert). 

 Muscicapa pica Bodd., Tabl. PL 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 browmsn wash ; 



