BIKDS OF NORTH AND MIDDLE AMERICA. 9 



Adult malein aj/rlng and swnmei\- — Pileum and hindneck plain slate 

 color or slate-gray; auricular region similar, but rather darker, the 

 lores and suborbital region still darker, sometimes almost black; a 

 distinct white superciliary stripe, narrower anteriorly; back and 

 scapulars dull olive-green (the feathers somewhat darker centrally), 

 becoming brighter olive-green on rump, the upper tail-coverts dusky, 

 edged with olive-green; wings dusky, with pale grayish brown 

 edgings, the middle and greater coverts margined terminally with 

 pale olive or whitish, the tertials edged with the same; tail dusky 

 (rather darker than wings), the rectrices edged with pale grayish 

 brown or olive; exterior rectrix white, with inner portion of its inner 

 web dusky, except toward end; next rectrix with inner web chiefly 

 white for terminal half or more but dusky toward edge; anterior por- 

 tion (sometimes the whole) of malar region, chin, and (usually, at least) 

 more or less of upper throat white; rest of under parts light yellow 

 (intermediate between canary and naples yellow), the chest more or 

 less clouded or spotted with grayish dusky or olive; bill, legs, and feet 

 black, or brownish black; iris brown; length (skins), 133-166 (153.4); 

 wing, 74-82 (77.4); tail, 65-71 (67.5); exposed culmen, 11-12 (11.7); 

 tarsus, 23-26.5 (24.5); middle toe, 14-16 (15); hind claw, 9-13 (10.5)." 



Adult female in spring and summe?'. —SimUav to the adult male of 

 corresponding season and apparently not always distinguishable, but 

 usually considerably duller in color, with gray of the head more 

 brownish; length (skins), 144-161 (151.6); wing, 73-77 (74.6)); tail, 

 64-70.5 (66.8); exposed culmen, 11-12 (11.7); tarsus, 23.5-26 (24.4); 

 middle toe, 14-16 (15.1); hind claw, 10-13 (10-9).* 



Young male in first autumn. — Above plain olive, more grayish on 

 head and rump ; wings and tail as in adults ; superciliary stripe, chin, and 

 throat pale straw yellow, the first two paler, nearly white; rest of under 

 parts pale buflfy yellow or yellowish buff, paler (nearly white) on under 

 tail-coverts; chest tinged with brown, and with a distinct crescentic 

 patch of darker brown; sides and flanks light grayish brown or olive. 



Young females in 'first OMticnwi. — Similar to the young male of cor- 

 responding season, but chest less strongly tinged with brown and with 

 only a few spots of darker brown. 



Young, nestlvng plumage.^ Kho\& olive-brown, the wings and tail 

 as in the autumnal plumage; superciliary stripe, malar stripe, and 

 under parts pale yellowish buff, relieved by a conspicuous crescentic 



« Eleven specimens. 



6 Five specimens. 



Specimens of Budytes flavus leucostriatus measure as follows: 



Adult males.— Wing, 77-82 (79.9); tail, 68-73 (70.3) ; exposed culmen, 12-13 (12.6); 

 tarsus, 25; middle toe, 15-16.5 (15.6); hind claw, 10-13 (11.8). (Seven specimens.) 



Adult females.— Wing, 73-78 (76.2); tail, 63-69 (65.4); exposed culmen, 12-13.5 

 (12.8); tarsus, 24-26 (25); middle toe, 14-16 (15.5); hind claw, 10-13 (11.3). (Six 

 specimens. ) 



