BIRDS OF NORTH AN^D MIDDLE AMERICA. 355 



tho middle pair of rectrices with a narrower median stripe of dusky- 

 brown, the inner webs of the other rectrices darker brown than outer 

 webs; ^ lesser wing-coverts brown ; middle coverts brown, margined ter- 

 minally with pale brownish gra}'. and marked with a more or less dis- 

 tinct median streak or spot of dusky; greater coverts brown, margined 

 terminally with paler and marked with a broad median tear-shaped 

 (mostly concealed) space of blackish; tertails mosth' blackish, but 

 outer webs chiefl}' brown, passing into a paler (sometimes pale grayish 

 or almost grayish white) hue terminally; rest of remiges dusky, edged 

 with paler or more grayish brown; edge of wing white; a broad super- 

 ciliary stripe of olive-gra3% sometimes approaching grayish white on 

 lower portion; loral, suborbital, and auricular regions darker olive- 

 grayish, the latter margined above and ])eroi^^ ])y narrow postocular and 

 rictal stripes of brown, these brown stripes sometimes uarrowh' streaked 

 with black; a broad malar stripe of dull white or pale buffy, margined 

 below by a conspicuous submahir stripe or triangular spot of l^lack or 

 mixed brown and black; under parts white, the chest marked with 

 wedge-shaped streaks of black, more or less broadly edged with rusty 

 brown, these streaks more or less coalesced in lower central portion of 

 chest, or upper breast, forming a more or less conspicuous irregular 

 spot; sides and flanks streaked with black and rusty brown, the ground 

 color, especially on flanks, more or less tinged with pale olive-grayish 

 or bufly; under tail-coverts white or pale bufly, more or less streaked 

 with brown; maxilla dusky brown, paler on tomia; mandible horn 

 color; iris l)rown; tarsi pale brown, toes darker. (In summer the 

 colors grayer, with streaks on chest, etc., narrower, sometimes whollj^ 

 black through disappearance of the rusty -brown edgings; in winter 

 the general coloration browner, the brown parts more rusty, the gray 

 parts more bufly. the malar region, chest, sides, etc., more or less 

 strongly Imfl'y, and the streaks on chest, etc., more broadly edged 

 with rusty brown.) 



Yovng. — Much like adults, but without an}' gray on upper parts, 

 the crown duller l^rown with the indistinct median stripe dull grayish 

 l>ufl"y and the narrow blackish streaks much less distinct than in adults; 

 ground color of back and scapulars light l)ufly brownish or dull bufly; 

 under parts duller white, often quite bufly, with the streaks narrower 

 and much less distinct. 



AduUmale.—'L^wgXh (skins), 134.62-1»U.59 (149.86); wing, 63.2.5- 

 72.1-t (67.31); tail, 61.98-70.87 (66.80); exposed culmen, 11.^:3-13.21 

 (12.45); depth of bill at base, 7.87-8.89 (8.13); tarsus. 20.32-23.37 

 (21.84); middle toe, 14.99-16.51 (15.49).- 



Adult female. ^\j^\\^\h (skins). 130.81-154.94 (145.54); wing, 61.47- 

 71.37 (65.02); tail, 55.63-70.36 (63.75); exposed culmen, 11.43-12.95 



^ Sometimes the rectrices, especially the middle pair, show faint narrow bars. 

 - Forty -one specimens. 



