TROGON. 275 
Famity TROGONIDA.—Tue_E Trocons. (Page 271.) 
Genera. 
a. Middle wing-coverts and upper tail-coverts normally developed, blended; head 
not crested nor “horned” ............cceeeeeceseesceeeeneenees Trogon. (Page 275.) 
a, Middle wing-coverts and upper tail-coverts unusually developed, more or less 
lanceolate or falcate, with very distinct outlines; head crested or “horned.” 
b.. Head with a bushy or compressed Crest..........cseceseeeeeseeeee Pharomachrus. 
b?, Head with slender ear-tufts...........cecsseesseceeceecceseeeseeueeeeeeeren ee Euptilotis. 
Genus TROGON Linnavs. (Page 275, pl. LXXX1., fig. 1.) 
Species. 
Common Cuaractrrs.—Adult males: Back, scapulars, ramp, and middle tail- 
feathers metallic green, sometimes varied with blue or coppery, the middle tail- 
feathers tipped with opaque black; wing-coverts grayish, in some species finely 
undulated with white; breast, belly, and under tail-coverts fine red or yellow, bor- 
dered anteriorly by a white band across breast. Adult females similar to males, but 
metallic hues of back, etc., replaced by plain grayish or brownish. 
a, Under parts red; females and young brown above. 
bt. Inner webs of outer tail-feathers chiefly white, more or less barred with 
dusky or black, in both sexes. 
cl. Adult male: Crown, occiput, hind-neck, back, scapulars, rump, and upper 
tail-coverts rich metallic bronzy green, varying to golden or coppery 
bronze (the rump and upper tail-coverts always more green than 
the back—sometimes pure green) ; middle tail-feathers deep metallic 
bronze, varying to rich copper-color, broadly tipped with black; 
wings (except primaries) delicately undulated with white and black, 
the two colors in nearly equal amount; quills dusky, with outer 
webs chiefly grayish white; forehead, lores, sides of head, chin, and 
throat, dull opaque black ; chest metallic greenish or coppery bronze, 
like back; a pure white band across breast; behind this, all the 
lower parts pure scarlet-vermilion ; exposed portion of outer tail- 
feathers white, with a broad terminal space immaculate, but rest, 
on both webs, irregularly and narrowly barred, or marked with 
zigzag lines, of blackish. Adult female: Metallic colors of male 
replaced by light grayish brown, becoming more rufescent (some- 
times cinnamon-rufous) on middle tail-feathers; forehead, sides 
‘of head, and throat, dull grayish; outer tail-feathers much more 
1 Pharomachrus Du LA Luave, Registro Trimestre, i. num. 1, 1832, 48. Type, P. mocinno De La LLAvE, 
One Mexican species (P. mocinno), the magnificent Quetzal, or royal bird of the Aztecs. 
2 Buptilotis Goutp, Mon. Trog. pt. i. 1858, pl. vi. Type, Trogon neoxenus GouLp. 
