BIRDS OF NORTH AND MIDDLE AMERICA. 221 



dd. Superciliary region green. (Amazona ochrocephala.) 

 e. Yellow of crown not involving forehead, the latter green; larger (wing 

 206.5-224, tail 108.5-126). (Colombia to eastern Peru, Venezuela, aDd 



Trinidad.) Amazona ochrocephala ochrocephala (extralimital). 



ee. Yellow of crown involving whole of forehead; smaller (wing 194.5-213, 

 tail 99-112 mm.). (Northern Colombia to western Panama.) 



Amazona ochrocephala panamensis (p. 249). 

 cc. Bend of wing yellow. (Amazona barbadensis.) 

 d. Cheeks wholly yellow; yellow of crown little, if any, tinged with red; tail 

 shorter (109.5-123 mm.). (Venezuela; island of Aruba, Dutch West 



Indies.) Amazona barbadensis barbadensis (p. 251). 



dd. Cheeks partly green; yellow of crown much tinged with red; tail longer 

 (124-142.5 mm.). (Island of Bonaire, Dutch West Indies; islands of 

 Blanquilla and Margarita, Venezuela.) 



Amazona barbadensis rothschildi (p. 253). 

 aa. Outer webs of distal secondaries wholly green, or blue and green. 

 6. Primary coverts red, at least in part. 

 c. Forehead (sometimes anterior part of crown also) white; orbital region red. 

 d. Lores wholly red; forehead wholly white; auricular region green; anterior 

 under parts (only), faintly barred or squamated with black. (Amazona 

 albifrons.) 

 e. Green color more yellowish. 

 /. Larger (wing averaging 183.9 in male, 178.2 in female; tail 94.9 in male, 

 89.6 in female). (Southwestern Mexico, from Sinaloa to Oaxaca.) 



Amazona albifrons albifrons (p. 254). 

 ff. Smaller (wing averaging 166.5 in male, 162.5 in female; tail 79.6 in male, 

 76.3 in female). (Yucatan and Guatemala to western Costa Rica.) 



Amazona albifrons nana (p. 257). 

 ee. Green color more bluish. (Northwestern Mexico, in State of Sonora.) 



Amazona albifrons saltuensis (p. 259). 



dd. Lores and sides of forehead yellow; auricular region black; under parts 



heavily barred or squamated with black. (Yucatan, including Cozumel 



Island, and British Honduras.) Amazona xantholora, adults (p. 260). 



cc. Forehead without white; orbital region without red. 

 d. Bill yellow; feet light brownish; loral region partly yellow; primaries green 

 proximally; back heavily squamated with black. 



Amazona xantholora, young (p. 261). 

 dd. Bill and feet blackish; loral region without any yellow; primaries blue 

 (edged with green) proximally. (Jamaica.) 



Amazona agilis, adults (p. 262). 



a [Psittacus] ochrocephalus Gmelin, Syst. Nat., i, pt. i, 1788, 339 ("America Aus- 

 trali"; based on Psittacus amazonicus brasiliensis Brisson, Orn., iv, 272; Amazon a Ute 

 jaune Buffon, Hist. Nat. Ois., vi, 208; Yellow-headed Amazon Parrot Latham, Synopsis 

 Birds, i, pt. i, 282). — Psittacus ochrocephalus Cassin, in Gillis, U.S. Naval Astr. Exped., 

 ii, 1855, 189, pi. 22. — [Chrysotis] ochrocephala Bonaparte, Rev. et Mag. de Zool., 1854, 

 151. — Chrysotis ochrocephala Gray, List Birds Brit. Mus., Psittacidse, 1859, 78 (Trini- 

 dad); Finsch, Die Papag., ii, 1868, 584; Salvadori, Cat. Birds Brit. Mus., xx, 1891, 

 289. — Androglossa ochrocephala Reichenow, Journ. fur Orn., 1881, 378 (monogr.); 

 Consp. Psitt., 1882, 218; Vogelbild., 1883, pi. 32, fig. 9.— Psittacus flavifrons Her- 

 mann, Obs. Zool., pars prior, March, 1804, 126 (no locality). — Psittacus poikilorynchos 

 Shaw, Gen. Zool., viii, pt. ii, 1812, 491 (based on Psittacus poikilorynchos Aldrovan- 

 dus, Orn. ; Yellow-headed Amazon Parrot Latham). — Ps]ittacus~\ poecilorhynchus Wagler, 

 Mon. Psitt., 1832, 581. — C[hrysotis] paxilorhynchus Gray, Gen. Birds, ii, 1846, 422. — 

 [Chrysotis] pxcilorhyncha Bonaparte, Rev. et Mag. de Zool., 1854, 151. 



