BIEDS OF NORTH AND MIDDLE AMERICA. 



745 



glossed with violaceous, the middle rectrices more slaty but much 

 color tipped with black; wings blackish slate or sooty slate, the 

 coverts and secondaries minutely freckled with paler, the longer pri- 

 maries edged with white basally; maxilla black, with extreme basal 

 lower portion, together with mandible, orange; feet as in adult male; 

 length (skins), 294-353 (319); wing, 165-185.5 (174.1); tail, 160.5- 

 186 (171.9); culmen, 23-25.5 (24.2); tarsus, 15-17.5 (16.2); inner 

 anterior toe, 16.5-19 (17. 5). « 



Immature male. — Similar to the adult male, but lateral rectrices 

 tipped with white and narrowly barred on at least distal portion of 

 outer web and, usually, on distal portion of inner web (except on 

 third from outside) with white, middle rectrices much duller metallic 

 bronze-green and without black tip, secondaries (at least distal ones) 

 spotted or mottled with dull white or buffy white along edges, and 

 bill more brownish orange or yellowisli. 



Immature female. — Similar to the adult female, but lateral rectrices 

 and secondaries marked with white, as in immature male. 



Young {nestling).^ — Above plain tawny -brown (near to tawny- 

 olive), slightly darker on pileum, passing into tawny on upper tail- 

 coverts; general color of wings dull black, except on coverts and 

 proximal secondaries, where the prevailing color is buff, broken by 

 irregular bars of black, the buff forming ver}" large roundish spots on 

 proximal greater coverts and terminal portion of proximal seconda- 



« Twenty-four specimens. 



Specimens from eastern Panamd are smaller than those from Verdgua and Chiriquf, 

 a male and female from Col6n being the smallest in the entire series, their measure- 

 ments being as follows: Adult male: Wing, 163; tail, 165; culmen, 23; tarsus, 17; 

 inner anterior toe, 17. Adult female: Wing, 165; tail, 175; culmen, 24; tarsus, 16.5; 

 inner anterior toe, 17.5. 



& Described from no. 155132, coll. U. S. Nat. Mus. (Biol. Surv. Coll.), mountains near 

 Santo Domingo, Oaxaca, June 16, 1895; Nelson and Goldman. 



