222 BULLETIN 50, UNITED STATES NATIONAL MUSEI>M. 



bb. Primary coverts green or blue (no red whatever on wing). 

 c. Bill and feet blackish; primary coverts green. .Amazona agilis, young (p. 262). 

 cc. Bill and feet pale brownish or buffy; primary coverts blue. 

 d. Forehead red (no white on head). (Amazona vittata.) 

 e. Larger (adult male averaging: Wing, 189.9; tail, 102.9; culmen, 27.9; tarsus, 

 21.8; outer anterior toe, 28.4). (Porto Rico.) 



Amazona vittata vittata (p. 263). 

 ee. Smaller (adult male averaging: Wing, 172.5; tail, 95.5; culmen, 26.7; 

 tarsus, 20; anterior toe, 25.2). (Culebra Island.) 



Amazona vittata gracilipes (p. 265). 

 dd. Forehead white. 

 e. Wliite of forehead not involving crown; suborbital and rictal regions green. 

 /. Throat green; lower abdomen purplish red. (Haiti.) 



Amazona ventralis (p. 265). 

 ff. Throat pale wine red (the feathers margined with green); no red on 



abdomen. (Jamaica.) Amazona coUaria (p. 267). 



ee. White of forehead extended over crown; suborbital and rictal regions 

 pinkish red or pink and white. (Amazona leiicocephala.) 

 f. Abdomen with a considerable area of purplish red; red of throat, etc., 

 deeper (especially that on cheeks), and less extended posteriorly. 

 g. General color parrot green; posterior crown and occiput more bluish 

 green. 

 h. Red of throat, etc., slightly paler, less extended posteriorly; 

 purplish red of abdomen more restricted; smaller (wing 184- 

 195.5, tail 99-115 mm.). (Cuba.) 



Amazona leucocephala leucocephala (p. 269). 

 hh. Red of throat, etc., deeper, more extended posteriorly; purplish 

 red of abdomen more extended, often occupying whole of abdom- 

 inal region and lower breast; larger (wing 187-205, tail 96-119.5 

 mm.). (Isle of Pines, near Cuba.) 



Amazona leucocepliala palmarum (p. 272.) 

 gg. General color yellowish green, including posterior crown and occi- 

 put. (Cayman Islands, near Cuba.) 



Amazona leucocephala caymanensis (p. 272.) 



ff. Abdomen with much less of purplish red, usually a mere trace, often 



with none; red of throat, etc., paler (especially on cheeks), and 



extended to sides of neck and upper chest; largest form (wing 196- 



220, tail 113-131 mm.). (Bahamas.) 



Amazona leucocephala bahamensis (p. 273). 



AMAZONA IMPERIALIS Richmond. 



IMPERIAL PAKROT. 



Adult male. — Feathers of head dark sooty brown, or dark sepia, 

 basally, those of fc^ehead tipped with light reddish brown, those of 

 crown tipped (more broadly) with light bluish green (malachite), 

 the nape uniform dull parrot green, narrowly margined at tip with 

 black; feathers of cheeks tipped with light brownish red, those of the 

 auricular region and posterior portion of malar region (hinder cheeks) 

 with pale brownish red and pale bluish green; neck black, forming a 

 conspicuous coUar, the feathers barred subterminaUy (mostly beneath 

 surface though exposed on foreneck) with green and dark violet-blue 



