THRAUPIDAE (Cont'd.) 
► General color olive-greenish 
above j yellow below. 
£• Back olive-green or grayish 
g. Wings without yellow bands, 
h. Under wing coverts yellow 
i,. Bill light brownish, maxillary 
tomium without tooth* 
Pirange rubra $ 
ii. Bill dusky; maxillary tomium 
with tooth. 
Pjranga flava $ 
hh . Under wing coverts white, 
wings and tail black or dusky 
gray. 
Pirange erythomelas £ & winter 
gg. Wings with two yellow bands. 
Piranha ludoviciana $ & winter 
dd » Back streaked with black 
Pirange bldentala 
bb . Outermost primary little if any longer 
than third. 
£ • Loral and frontal feathers stiff, erect, 
brushlike. 
d* Mandibular rami enlarged and swollen, 
longer than gonys* 
Ramphocelus passorinii 
dd. Mandibular rami normal, shorter than 
gonys• 
Phlogothraupis sanguinolenta 
cc♦ Loral and frontal feathers normal* 
d* Maxilla strongly hooked at tip, a 
conspicuous tooth on tomium. 
Lanio aurantius 
dd* Maxilla not strongly hooked at tip, 
no conspicuous tooth on tomium* 
e* Bill larger, exposed culmen two-thirds 
or more as long as tarsus, 
f. Back green. 
Eucometis spodocephala 
ff. Back red or brown 
