CHERRIE: ORNITHOLOGY OF THE ORINOCO REGION. 

 KEY TO THE GENERA, SPECIES AND SUBSPECIES OF PSITTACIDAE. 



329 



a . Forehead and more or less of the sides of face naked , 

 a'. Forehead feathered. 



b. Lores and region about eye almost entirely naked (feathers if present 



arranged in narrow lines). 

 c. Cheeks (at base of mandible) naked. 



d. Lines of feathers extending from the lores below the eyes across 



the face. 

 e. Bill black. 



/. General color of under parts green 



/'. General color of under parts yellow 



e'. Maxilla white (except black triangle at base of cutting edge); 



general color of body red 



d'. Without lines of feathers extending across the face 



c.'. Cheeks feathered 



V. Loral region at least partly feathered. 



c. Tail long and much graduated (the central pair of rectrices always 



longest). ' 

 d. Breast with transverse bars or scale-like appearance. 



e . Primary coverts red with yellowish tips 



e'. Primary coverts blue like the primaries 



d'. Breast without transverse bars or scale-like appearance. 



e. Inner webs of tail feathers (except intermediae) reddish, and 



under parts uniform green 



'. Inner webs of tail feathers not reddish. 



/. Under parts not uniform. Lower breast and belly washed 



with orange ochraceous 



/'. Under parts uniform green (no orange wash) 



c'. Tail not long and much graduated. 



d. Tips of tail-feathers sharply tapering, not rounded. 



e. Nostrils opening in the middle of a naked cere, bill slightly 

 compressed at base. 



/. Primary coverts orange red 



f. Primary coverts blue or bluish edged with green. 



g. Head black 



g'. Head green (paler than back) 



e'. Nostrils opening at the base of the cere and bill slightly ex- 

 panded (not compressed) at base. 



/.' Axillaries and under wing coverts green, not blue or purple. 



g. Inner webs of quills underneath greenish; feet pale 



brownish 



g'. Innerwebsof quills underneath with tingeof bluish green; 



feet dusky brownish 



/'. Axillaries and under wing coverts not all green. 



g. Rump deep blue 



g'. Rump bright green (brighter than back) 



d'. Tips of tail-feathers rounded. 



e. General color of under-parts from throat to crissum green. 

 /. Wing with a red or orange red speculum. 



g. No red color on the tail, no yellow on the head 



g'. Tail partly red or orange, especially at base. 



h. Head partly blue, pileum tinged with blue and lores 



blue 



h'. Head without any blue, crown yellow, lores whitish .... 

 /'. Without red or orange red speculum; forehead red, lower 



back and rump red 



e'. General color of under-parts including throat not green. 

 /. Throat blue or yellow. 



g . Entire head, throat and breast blue 



e.' . Entire top of head black, throat yellow 



/'. Throat and general color of under-parts reddish purple. . . . 



Gypopsitla vullurina. 



Ara severe. 

 Ara ararauna. 



Ara chloroplera. 

 Ara macao. 

 Diopsittaca hahni. 



Pyrrhura melanura. 

 Pyrrhura picta picta. 



nga haemorr 



Aratinga chrysophrys. 

 Aralingaleucophthalmus. 



Brologeris chrysopterus. 



Eucinetus caica. 

 Brotogeris devillei. 



9 Psittacula guianensis I'iri 

 dissima. 



9 Psittacula modesta modes la. 



<? Psittacula modesta modesta. 

 tfPsittacula guianensis firt 

 dissima. 



Amazona inornata. 



Amazona amazonica. 

 Amazona ochrocephala. 



A mazona bodini. 



Pionus menstruus. 

 Pionites melanocephala. 

 Pionut fuscus. 



ARA MACAO (Linnaeus). 



Psittacus macao L., Syst. Nat. ed. 10. 1758. p. 96. 

 Ara macao Berlepsch & Hartert, p. 107. 



Native name Guacamayo. Not uncommon, but very wary. 



Eye straw-yellow; bill above horny white with tip slate and angle 

 at base black, below black, bare skin about head dead flesh white ; feet 

 slate blackish. 



