368 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



and lesser wiug-coverts i)laiu olive-green; middle, greater, and prini- 

 ar}" wing-coverts and alula black, the first two broadly tipped with 

 olive-yellow or citron yellow, the greater coverts also narrowl}^ edged 

 with olive-green; remiges and rectrices dusky narrowly edged with 

 yellowish olive-green, the inner secondaries nearly black l)roadly 

 edged with nearly pure yellow; lores dusky, margined above by a 

 white line or narrow stripe, extending from nostrils to, and involving, 

 upper eyelid, the lower eyelid also partly white; suborbital and 

 auricular regions slate color or slate-gray; malar region, chin, throat, 

 and chest, and iipi)er breast light gray, indistinctly streaked, espe- 

 cially on throat, with wliite or grayish white; abdomen and median 

 portion of lower breast white or yellowish white; sides, flanks, under 

 tail-coverts, axillars, and under wing-coverts light sulphur yellow, 

 the sides and flanks tinged wdth olive-green, especially anterior por- 

 tion of former; bill black, sometimes paler at tip^ iris brown; legs 

 and feet brownish or horn color in dried skins, light gray or bluish in 

 life. 



Young. — Similar to adults but, pileum and hindneck plain olive, 

 not distinctly different from olive-green of back, etc., general color 

 of throat and chest paler and more olivaceous gray, and mandible 

 pale colored (at least in part). 



Adult male— luength (skins), 84.5-98 (90.5); wdng, 41-49 (46.4); 

 tail, 30. .5-35. 5 (32.7); exposed culmen, 12-14 (13.1); tarsus, 17-20.5 

 (18.7); middle toe, 8-9.5 (9.1). « 



Adult female. — Length (skins), 88.5-95 (89.6); wing, 41. .5-47. 5 

 (46.4); tail, 30-35.5 (32); exposed culmen, 12.5-14.5 (13.1); tarsus, 

 17.5-19 (18.4); middle toe, 8.5-9 (8.7)." 



" Nineteen specimens. 

 b Seven sj^ecimens. 



Specimens from separate geographic areas compare in av(n-agi' measurc^ments as 

 follows: > 



Locality. 



Wing. Tail 



Middle 

 toe. 



MALES. 



Three adult mules from Mexico QOaxaca) 



Five adult males from Honduras 



Eight adult males from Costa Rica 



One adult male from Panama 



Two adult males from Colombia 



FEMALES. 



Two adult females from Mexico (Tabaeco and Oaxac;;) 



Three adult females from Costa Rica 



Two adult females from Tanama 



I can not discern amy color differences, 



4t).3 

 45 



47.2 

 44.5 



48.2 



42.7 

 45.8 

 45.7 



18.8 

 17.9 

 19.1 

 18.5 

 18.5 



18.5 

 18.2 

 18.7 



9 

 8.5 



8.7 



8.5 

 8.6 

 9 



