2 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 56 



Distribution. — Known only from 2500 to 3000 feet altitude on 

 Cerro Azul, Panama. 



Description of adult male (type). — Crown, forehead and lores dull 

 iridescent violet ; rest of upper parts from nape to upper tail coverts 

 rich metallic green, becoming clearer or brighter posteriorly (closely 

 similar to color of upper parts of neck and body in Saucerottea 

 cyaneifrons) ; lower parts nearly uniform brilliant metallic green, 

 brighter than back (similar to but brighter than in cyaneifrons) ; 

 under tail coverts very short and shining green, except 3 middle ones, 

 which are satiny white, stiff and recurved ; wings uniform purplish 

 black; tail feathers reddish chestnut, broadly margined, especially 

 at tips, with bronze green ; upper mandible blackish ; lower mandible 

 pale basally and shaded with dusky on terminal half. 



Adult female (same date and locality as type) . — Entire upper parts 

 of head and body uniform, rather dull metallic green, becoming 

 clearer posteriorly ; under parts dull white mixed on sides of neck, 

 breast and flanks with green feathers like those on back ; under-tail 

 coverts as in male ; middle tail feathers mainly bronze green, with a 

 very narrow dull rufous shaft streak on basal two thirds ; other tail 

 feathers dark rusty rufous along middle and margined by bronze 

 green which occupies terminal fourth of the feathers ; all but central 

 pair of feathers with small central white spots at the tips ; upper 

 mandible dusky, lower one pale at base and becoming more dusky 

 horn color on terminal two-thirds. 



Immature male. — Upper parts plain green, nearly as in adult 

 females, but rather brighter ; under parts green mixed with grayish 

 white on borders of feathers, especially on neck and breast, where 

 the green in form of subterminal semilunar spots on median area 

 give a scaled appearance; sides of neck and body and abdomen 

 washed with duller metallic green; wings, tail and bill as in adult 

 male, except broader bronze green tips to tail feathers and small 

 terminal whitish spots at extreme tips, smaller than those in females. 



Measurements. — Adult male (type), wing, 52.5 mm.; tail, 32.5 

 mm. ; culmen, 19 mm. Adult female, wing, 47.5 mm. ; tail, 25.5 mm. ; 

 culmen, 19 mm. 



