268 KORTII AMERICAS BIRDS. 



Order PSITTACI. — The Parrots, Macaws, 

 Paroquets, etc. (rage 2.) 



Families. 

 (Characters same as those given for the Order) ... Psittacidae. (Page 26S.) 



Family PSITTACID^. (Tage 2GS.) 



North and Middle American Genera. 



«'. Tail graduated, the feathers narrowed toward tips. 



i'. Chcclfs naked; tail longer than wing, graduated for more than half it3 



(37.) length; very large (wing more than 12.00) Ara.^ 



il Cheeks densely feathered ; tail shorter than wing, graduated for less than 

 half its length ; small or medium (wing not more than 12.00). 

 c\ Wing more than 3.50; upper mandible very little if any broader than 

 high at base. 

 d}. Second or third quill longest. 



e'. Tail more than two-thirds as long as wing ; wing more than 

 5.00. 

 /". Bill very large, much compressed, the ti]) 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 2G9.) 



/'. Bill smaller, less compressed, witJi ti]) of lower mandible 

 less produced, and gonj-s 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. (Pago 2C9.) 

 <^. Tail less than two thirds as long as the wing; wing less than 

 5.00. 



Core naked on top Brotogeris.^ 



d*. First quill longest. 



Tail (in northern species) less than two-thirds as long as 



I Ara Brisson, Orn. iv. 1760, 184, Type, A. braniiienula Bniss., = vl. chloroplera GRAY. For synopsis of 

 Mexican species, see Appendix. 



' Urnlnyent Via., Zool. Jour. ii. 1S25, 400. Type, Ptillacun pt/rrhnplerua LiNN. 



One Mcxicnn ami Central American species, H. loi'i (Linn.) ; color uniform green, paler below, upper wing- 

 coverts olivc-brownisli, and spot on chin orange; length about 0.50 inches. 



