THRAUPIDAE (Cont*d.) 
j» Tail more than two-thirds as long as wing, 
hill not like that of Euphonias• 
b* Outermost primary much longer than third, 
usual equal to or longer than fourth; if wing 
less than 71*1, the outermost primary equal 
to fifth* 
c* Exposed culmen decidedly shorter than middle 
toes without claw* 
d* Tarsus decidedly longer than middle toe 
with claw, more than one-third as long as 
tail* 
e* Back streaked with black or dusky* 
Tangara cabanisil 
ee* Back without streaks 
f* Back bright green 
Tangara lavinia cara 
ff* Back not bright green 
Tangara larvata 
cc» Exposed culmen not shorter than middle toe 
with claw* 
d* Back not streaked* 
e* General color red, or at least head red. 
f* Under parts entirely red; back reddish 
g* Wings and tail dull red* 
h* Maxillary tomium without tooth; color 
vermilion* 
Piranga rubra 6 
hh* Maxillary tomium with tooth; color 
grayish red above* 
Piranga flava 6 
gg* Wings and tail black 
Piranga erythromelas 6 
ff * Underparts yellow; back not reddish 
Piranga ludoviciana 6 
