744 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



dd. Larger (wing 157-167, averaging 162.7; tail 165.5-181.5, averaging 171.3). 

 (Eastern Panama and northern Colombia.) 



Curucujus melanurus macrourus, adult male (p. 747). 

 hh. Lateral rectrices narrowly barred with white. (Costa Rica and western 



Panama.) Curucujus clathratus, adult male (p. 749). 



aa. Upper parts and chest slate color or slate-gray; maxilla black. {Adult females.) 

 b. Lateral rectrices plain blackish slate; breast slate-gray, 

 c. Larger (wing 16&-185, tail 163-186). 



Curucujus massena, adult female (p. 744). 

 cc. Smaller (wing 148.5-160.5, tail 154-164.5). {Curucxijns melanurus.) 

 d. Smaller (wing 148.5-155, averaging 154, tail 154-159.5, averaging 156.4). 



Curucujus melanurus melanurus, adult female (extralimital). 

 dd. Larger (wing 155.5-157.5, averaging 156, tail 161.5-164.5, averaging 163). 



Curucujus melanurus macrourus, adult female (p. 748). 

 bb. Lateral rectrices narrowly barred with white; breast brown. 



Curucujus clathratus, adult female (p. 749). 



CURUCUJUS MASSENA (Gould). 



MASSENA TROGON. 



Adult male. — Above bright metallic green, usually golden green on 

 back, scapulars, and upper rump, sometimes more bluish green, or 

 even intermixed with blue or violet-blue on lower rump and upper 

 tail-coverts; four middle rectrices metallic green or bronze-green, 

 broadly, but not sharply, tipped with black, the inner webs of 

 second and third (from middle) and both webs of lateral rectrices 

 uniform black, the outer web of fourth glossed with bronze-green 

 basally, that of outermost rectrix and edges of next two toward 

 base usually freckled or sprinkled with pale grayish, the under sur- 

 face of the tail slate color, the rectrices tipped with black; wing- 

 coverts (except anterior portion of lesser covert area) and seconda- 

 ries delicately vermiculated with black and white; alula, primary 

 coverts, and primaries dull black or slate-black, the longer quills 

 edged with pale grayish or grayish white proximally; loral, orbital, 

 auricular and malar regions, chin, and throat, dull black; chest 

 bright metallic green or bronze-green; remaining under parts pure 

 geranium red, the thighs sooty blackish; bill deep orange or orange- 

 yellow; iris dark yellow;*^ naked eyelids sky blue;* feet (in dried 

 skins), brownish or horn color; length (skins), 298-349 (319); wing, 

 163-181 (173.2); tail, 161-186 (170.8); culmen, 23-27 (24.5); tarsus, 

 15.5-18 (16.4); inner anterior toe, 15.5-19.5 (17.6).'= 



Adult female. — Head, neck, back, scapulars, rump, upper tail- 

 coverts, chest, and breast plain slate color, darker on loral, orbital, 

 auricular, and malar regions, chin, and throat, paler on lower breast, 

 where sometimes indistinctly barred; rest of under parts pure 

 geranium red, the thighs blackish; tail slate-black, sometimes faintly 

 darker than color of back, etc., the under surface of rectrices slate- 



o Richmond. b Nutting. c Twenty-eight specimens. 



