BIRDS OF NORTH AND MIDDLE AMERICA. 721 



btifFy white; outermost feather of alula notched with large spots of 

 ivhite, the more basal spots pale cinnamomeous; primary coverts 

 spotted, in transverse series, with pale cinnamon; outer webs of pri- 

 maries with large spots of pale cinnamon and buffy whitish (about 

 iix in number on longer quills), these spots about equal in extent to 

 the mottled grayish brown interspaces on basal half, but farther apart 

 terminally; inner webs of primaries mainly dusky, with very indis- 

 tinct indications of paler bands; tail dusky continuously banded with 

 paler, the bands pale cinnamon-brownish, mottled with dusky, on 

 outer webs, dull grayish brown and more or less indistinct on inner 

 webs, except on middle pair of rectrices, which have the bands light 

 cinnamon-brown, mottled with dusky, on both webs; face dull gray- 

 ish white changing to pale brownish on orbital region, narrowly and 

 not very distinctly barred with dusky; "eyebrow" duU white, many 

 of the feathers margined terminally with dusky; throat light tawny- 

 brown, varied with dusky; rest of lower parts white, the feathers 

 with distinct but irregular mesial streaks of black and narrow zigzag 

 bars of brown and black, these bars narrower, closer together, and 

 more brown on chest and breast, broader, farther apart, and more 

 blackish posteriorly, the black mesial streaks broadest on sides of 

 chest, where more or less suffused externally with pale rusty or tawny, 

 these large black markings having the form of transverse spots con- 

 nected, broadly, along the median line of the feathers; middle of 

 abdomen and anal region immacidate buffy white; under tail-coverts 

 buffy white, the longer ones with one or two narrow zigzag bars of 

 brown on the terminal coverts connecting with a sagittate, cuneate, 

 or acicidar shaft-spot of blackish brown; thighs pale buff, their lower 

 portion, especially behind, faintly freckled with rusty brown; tarsi 

 buffy whitish, flecked with rusty brown, these markings most dis- 

 tinct on outer side. 



Rufous phase. 



Adults (sexes alike). — Above deep cinnamon-rufous becoming 

 gradually paler posteriorly, each feather with a black mesial streak, 

 these much broadest on crown, narrowest and almost obsolete on 

 rump; outer webs of exterior row of scapulars white, succeeded by a 

 broad terminal margin of black, the two colors more or less separated 

 by a narrow extension of the rufous of the inner web; several of the 

 outermost middle coverts with the exposed portion of the outer web 

 chiefly white, in the form of a large subterminal spot, the tip being 

 cinnamon-rufous, the median portion of each feather duU blackish; 

 several of the outermost greater coverts similarly marked, the rest, 

 together with the secondaries, paler cinnamon-rufous, very indis- 

 tinctly (except on concealed portions) banded with darker; prima- 

 3622°— Bull. 50, pt 6—14 i6 



