COMPSOTHLYPIDAE 
£u Under surface with more or less red 
Id* Upper surface partly red 
Ergaticus versicolor 
bb. Upper surface without red, 
js. Crown marked with brown 
Myioborus miniatus subsp 
cc* Crown bluish like back 
Granatellus sallaei 
aa* Under surface with more or less yellow, 
b. Pileum plain gray, a chestnut spot on upper 
breast• 
Vermivora supercillosa 
bb* Pileum not plain gray, no chestnut on breast, 
c. Crown gray, lores and frontal region black 
Chamaethlypis 
cc . Crown not gray. 
cl. Tail tipped extensively with white 
(Yellow crown patch, black forehead) 
Euthlypis lachrymose 
dd. No white in tail 
e.. Back and sides of head grayish 
(Concealed brown crown patch) 
Basileuterus culicivorus 
ee . Back greenish,sides of head chestnut 
brown• 
f. Tail shorter than wing. 
£• Superciliary stripe yellow 
Basileuterus belli 
gg . Superciliary stripe white 
Basileuterus delattrii 
ff• Tail equal to longer than wing 
Tail about equal to wing, under 
parts entirely yellow. 
Idiotes salvihl 
gg» Tail longer than wing, throat 
yellow, abdomen whitish 
Idiotes rufifrons 
