FAMILY TROGONIDAE 389 



macroura, but slightly darker gray ; bill larger, broader, more than 

 22 mm. wide at base. 



Description. — Length 300-350 mm. Adult male, upper surface 

 metallic green, varying to bluish green on crown, rump and upper 

 tail coverts, or to golden green on the back ; four central rectrices 

 metallic green to bronze-green, tipped with black, those adjacent black, 

 but more or less metallic green on the outer webs, the outermost 

 wholly black; the external pairs and usually the two adjacent, 

 freckled lightly and indistinctly, especially toward the base, with 

 dull white; wing coverts and outer webs of the secondaries lined 

 irregularly and narrowly with black and white ; primaries dull black, 

 the outermost edged slightly with grayish white ; side of head and 

 throat dull black; upper breast shining metallic green to bronze- 

 green ; lower breast, sides, abdomen, and under tail coverts bright 

 red ; under wing coverts slate, lined narrowly with dull white ; tibia 

 blackish slate. 



Adult female, above slate color, darker on the sides of head, 

 chin, and tail ; wings blackish slate, with the primaries usually edged 

 narrowly with white; wing coverts and outer webs of secondaries 

 minutely and indistinctly freckled with grayish white ; f oreneck and 

 breast grayish slate color, usually paler than the back ; breast in some 

 barred lightly and indistinctly with grayish white and dull black; 

 rest of under surface as in male. 



Immature, similar to adult in both sexes, but with lateral rectrices 

 tipped and barred narrowly with dull white. 



An adult male, collected near the Rio Chiriqui Vie jo, west of 

 El Volcan, Chiriqui, February 25, 1954, had the iris hazel ; thickened 

 margin of eyelid dull red; entire bill deep orange-red; tarsus, toes, 

 and claws light brown ; under side of toes dull yellow. Another adult 

 male, from the Rio Tacarcuna, Darien (at 575 meters), March 13, 

 1964, had the iris very pale yellowish orange; thickened ring of 

 the eyelids rose-red, with the bare skin above and below pale dull 

 green ; scutes on front of tarsus, tops of toes and claws dull yellowish 

 brown ; sides and back of tarsus dull yellowish gray. 



An adult female, collected at Juan Mina, Canal Zone, January 17, 

 1961, had the iris orange-brown; maxilla dusky neutral gray, with 

 the base, below the nostril, and the mandible, dull orange; tarsus 

 and toes light wood brown ; claws fuscous on sides, with tip black. 

 The bill color in this bird was of the usual pattern found in females 

 throughout Panama. Variation is shown by an adult female (laying) 

 from Puerto Armuelles, Chiriqui, February 6, 1966, in which the 



