SYNOPSIS OF THE SPECIES. 
. Bill moderate; three outer tail-feathers on each side beneath either terminally 
white or conspicuously banded with white; tail much rounded, lateral 
feather not reaching much beyond the middle of the tail. 
a 1 . Female brown or olive-brown above. 
a 2 . Belly red or deep orange. 
a 3 . Male with a large square terminal white spot on each of the three outer 
rectrices on each side. 
a 1 . Rest of these rectrices black . . ... 
1. 
mexicanus . 
b\ „ 
39 
93 
white, freckled with black . . . . 
2. 
ambignus. 
c\ „ 
33 
>9 
black, crossed with white bars . 
3. 
elegans. 
d\ „ 
39 
39 
black, crossed with obsolete white bars . 
4. 
personatus. 
b *. Male with three outer rectrices on each side black, conspicuously barred 
with white bars. 
e *. Terminal white bar not wider than the rest. 
a 5 . Belly red ........... 5. puella. 
b 5 . Belly deep orange .......... 6. aurantiiventris. 
/ 4 . Terminal white bar wider than the rest . . . . . . 7. collaris. 
b 2 . Belly bright lemon yellow. * 
c 3 Male with three lateral rectrices on each side, barred with equal black and 
white bars (except terminal white bar, which is wider); yellow of breast 
deeper ........... 
cl 3 . White bars on tail wider than black ones, yellow of breast paler . 
b 1 . Female leaden grey above. 
c 2 . Tail barred on three outer rectrices on each side in both sexes. 
e 3 . Belly yellow. 
g\ Head black ........... 
A 4 . Head blue. 
c\ Wing-coverts mottled ......... 
d 5 . Wing-coverts black ......... 
8. atricollis. 
9. tenellus. 
10. caligatus. 
11. meridionalis. 
12. ramonianns. 
f s . Belly red. 
i\ Head and breast dark blue ........ 13. variegatus. 
A 4 . Head and breast with green shade . . . . . • • 14. behni. 
d 2 . Tail in male with graduated white termination on three outer rectrices, in 
female barred. 
g 3 . Belly yellow. 
l\ Basal half of outer rectrix white . . . . . . • 15. viridis. 
m*. Base only of outer rectrix white 
16. chionurus. 
