280 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



streaks, some of the most anterior ones, actually on the lower sides of 

 the hreast with the brown replaced .by deep neutral gray on all but their 

 exposed areas, and the most posterior ones, bordering on the flanks, 

 with broad margins of pale ochraceous-buff on both webs; flanks, vent, 

 and under tail coverts pale ochraceous-buff with broad median streaks 

 of olive-brown, these streaks darkening to chaetura drab on the longer 

 under tail coverts ; under wing coverts dull grayish brown margined with 

 paler ; iris dark brown ; bill black ; tarsi and toes blackish. 



Adult female. — Forehead, lores, and anterior part of crown pale buffy 

 brown, the feathers with fine black shafts ; posterior half of crown and 

 the occiput sepia, the coronal crest smaller and less recurved than in 

 male, dark fuscous ; nape and lower sides of neck as in male but the 

 grays replaced by light, dull buffy brown which color also tinges the 

 pale subterminal spots on these feathers ; rest of upperparts of body as 

 in the male but averaging darker and more brownish, less olive; wings 

 and tail as in male ; chin and throat grayish white, the feathers with dull 

 olive-brown shaft streaks, cheeks similar but with the streaks finer and 

 blacker; breast grayish buffy brown in fresh plumage (becoming more 

 grayish less buffy brown with wear) ; upper and lateral parts of abdomen 

 white the feathers heavily bordered with blackish ; middle lower abdomen, 

 vent, sides, flanks, and under tail coverts as in the male. 



Juvenal (sexes alike). — Forehead and anterior part of crown as in 

 adult female but the feathers with indistinct pale grayish terminal spots ; 

 rest of crown and the occiput as in adult female except that the lateral, 

 loreal-supraorbital area is paler, more washed with pale ochraceous-buff, 

 and the coronal crest shorter and lighter — sepia ; lower sides of neck 

 and hindneck between dusky buffy brown and hair brown with no dusky 

 edges or pale spots ; interscapulars and upper back hair brown with 

 narrow white shafts, which spread out laterally at the tip and with fuscous 

 blotches on each web just before this whitish tip; interscapulars and 

 upper wing coverts similar but with the hair brown washed and mottled 

 with dull tawny-olive ; secondaries with their outer webs chiefly dull 

 tawny-olive barred with blackish, each bar distally broadly bordered with 

 pale warm buff', the tawny-olive interspaces finely dotted with black ; their 

 inner webs dull clove brown sparsely flecked, chiefly terminally, with 

 tawny-olive ; primaries similar but without the tawny-olive, their inner 

 webs uniform dusky clove brown, their outer ones largely pale pinkish buff 

 with incomplete, indistinct transverse dusky brownish bars ; back, lower 

 back, rump, and upper tail coverts dark hair brown with faint cross bars 

 of grayish buffy and faint shafts of the same; median rectrices dark hair 

 brown with incomplete marginal cross bars of fuscous distally bordered 

 by dirty white on both webs ; the ground color of the rectrices becoming 

 more slate-gray on the lateral ones and the marginal bars becoming 

 shorter ; chin and throat grayish white ; cheeks, auriculars, and sides of 



