374 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



speckled with blackish dots and tend to become more ochraceous-orange 

 on the more outer feathers ; primaries fuscous to dark clove brown, uni- 

 form on the inner webs and blotched with light ochraceous-buflf on the 

 outer ones; back, lower back, and rump between very pale tawny-ohve 

 and isabelline, the feathers with a few subterminal flecks of black; upper 

 tail coverts similar but darker— dusky bufly brown with an olive tmge 

 and with the black flecks larger and more prominent and with paler 

 tips; rectrices fuscous to dark clove brown freckled and vermiculated 

 marginally and terminally with sepia and tawny-olive; lower part of 

 lores and circumocular area bare; a band from below and behind the 

 eye extending posteriorly to the sides of the neck between Sanford's 

 brown and chestnut ; chin and throat black, the feathers with white shaft 

 streaks varying in width; sides of neck, breast, sides, and anterior and 

 lateral part of abdomen tawny-olive to dark, bright clay color, the feathers 

 with white shafts, which enlarge subterminally to form conspicuous 

 rounded or tear-shaped marks narrowly edged with dusky to black, and 

 just failing to reach the tips of the feathers; flanks, thighs, lower ab- 

 domen, and under tail coverts less olive, duskier, without pale shafts or 

 spots, and barred with blackish, these dark bars faint and indistinct on 

 the abdomen, more distinct on the flanks, and very well marked on the 

 under tail coverts ; under wing coverts dull dark sepia ; iris dark brown ; 

 bill black ; tarsi and toes dark plumbeous. 



Adult male (erythristic phase). — Similar to the preceding but more 

 rufescent generally, the sepia areas above being Dresden brown to 

 cinnamon-brown ; the bulk of the occipital crest capucine orange instead 

 of orange-buff, the freckling on the wings Sudan brown to raw umber, 

 and the breast, sides, and abdomen ochraceous-tawny to antique brown. 



Adult female (olive-brown phase). — Similar to the male of the same 

 phase but smaller and with the entire occipital crest dark mummy brown 

 to fuscous, the posterior ones with orange-buff shaft streaks which are 

 usually concealed by the overlapping of the more anterior feathers, and 

 usually with the ground color of the upperparts slightly more rufescent; 

 iris dark brown ; bill black ; feet plumbeous. 



Adult female (erythristic phase). — Similar to the male of the same 

 phase but generally darker both above and below, and with the entire 

 crest fuscous, even the posterior plumes with little or no orange-buff 

 medially. 



Juvenal (erythristic phase) (sexes alike). — Similar to the adult male 

 but darker and slightly more rufescent above; the crest entirely bright 

 orange-buff except for the most anterior of its component plumes, which 

 are mummy brown to fuscous, narrowly edged with sepia; the inter- 

 scapulars with relatively little white on the shafts ; the rump and upper 

 tail coverts argus brown, obscurely banded with blackish ; chin and malar 

 area dark earth brown streaked with white; throat dusky olive-brown 



