268 NORTH AMERICAN BIRDS. 
Orver PSITTACI.—Tue Parrots, Macaws, 
PAROQUETS, ETC. (Page 2.) 
Families. 
(Characters same as those given for the Order)... Psittacide. (Page 268.) 
Famtty PSITTACIDAB, (Page 268.) 
North and Middle American Genera. 
a, Tail graduated, the feathers narrowed toward tips. 
b'. Cheeks naked; tail longer than wing, graduated for more than half its 
(37.) length; very large (wing more than 12.00)...........ccccseseeeseeeeseeees Ara} 
6%, Cheeks densely feathered ; tail shorter than wing, graduated for less than 
half its length; small or medium (wing not more than 12.00). 
cl. Wing more than 3.50; upper mandible very little if any broader than 
high at base. 
d@', Second or third quill longest. 
é. Tail more than two-thirds as long as wing; wing more than 
5.00. 
f'. Bill very large, much compressed, the tip of lower man- 
dible much produced, truncated, and flattened; gonys 
flattened; tail graduated for only about one-third its 
length; cere densely feathered, concealing the nostrils ;' 
wing 8.00, or more...... Rhynchopsitta. (Page 269.) 
f’. Bill smaller, less compressed, with tip of lower mandible 
less produced, and gonys rounded; tail graduated for 
much more than one-third its total length; cere naked 
in some species, densely feathered in others; wing less 
than 8.00 in all North American species. 
Conurus. (Page 269.) 
é. Tail less than two-thirds as long as the wing; wing less than 
5.00. 
Cere naked On t0p...ssccssessescccsssenseeeseaneesves Brotogeris.’ 
@. First quill longest. 
Tail (in northern species) less than two-thirds as long as 
1 Ara Brisson, Orn. iv. 1760, 184. Type, A. brasiliensis Briss,, =A. chloroptera Gray. For synopsis of 
Mexican species, see Appendix. 
2 Brotogeria Via., Zool. Jour. ii. 1825, 400. Type, Psittacus pyrrhopterus Linn. 
One Mexican and Central American species, B. tovi (Linn.); color uniform green, paler below, upper wing- 
coverts olive-brownish, and spot on chin orange; length about 6.50 inches, 
