428 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



inner web; primaries similar, but the anterior blackish bands much 

 broader, almost if not quite as broad as the subterminal one, and two 

 to thi'ee in number; the paler interspaces on the remiges whitish on the 

 under side; fifth to seventh primaries (from outside) the longest, the 

 outermost the shortest, shorter than the shortest secondaries; the 

 inner webs of the seven outer primaries shallowly sinuated, the outer 

 webs of second to ninth slightly sinuated; upper tail coverts like the 

 back, but conspicuously tipped with white; rectrices slate-black tipped 

 with white and crossed by three smoke gray bands, mottled with 

 darker, these bands becoming successively narrower toward the base 

 of the tail; chin and middle of upper throat dirty white with a median 

 longitudinal narrow streak of dark neutral gray; lower throat and 

 breast forming a broad dark neutral gray pectoral band; abdomen, 

 sides, thighs, flanks, under tail coverts and under wing coverts white 

 heavily barred with black, the black bars slightly broader than the 

 white interspaces on the abdomen, sides, thighs, and flanks, equal on 

 the under wing coverts and narrower on the under tail coverts; cir- 

 cumocular area, cere, and bill apparently bluish m life; iris, tarsi, and 

 toes yellow; bill and claws blackish. 



Adult male. — None seen. 



Subadult female. — Similar to the adult, but with the chin, throat, 

 and breast grayer, paler, the breast barred with blackish, not solid 

 black. 



Immature male. — Similar to subadult female, but with the upper- 

 parts washed with fuscous, the dark ventral bars narrower (half the 

 width) and the tail with six wide dark bands. 



Juvenal Jemale. — Top and sides of head (except for bare loreal and 

 circumocular area) ashy buffy brown; hind neck and posterior sides of 

 neck the same blotched v/ith blackish; scapulars, interscapulars 

 blackish with a faint greenish sheen, tipped with hair brown, and 

 white basally; lesser upper wing coverts similar, but more mottled 

 with hair brown internally; median and lesser upper wing coverts 

 whitish to pale hair brown much mottled with fuscous and hair brown; 

 subterminally broadly banded with slate to blackish slate, white 

 basally; some of the outer greater coverts with a second and even a 

 third and fourth blackish band, usually narrower and less complete 

 than the subterminal one; remiges ashy fuscous much mottled with 

 whitish on the inner webs of the secondaries and inner primaries and 

 crossed by six to seven fuscous black bands, the subterminal one the 

 broadest; the outer primaries with only three or four of these bands; 

 the inner webs of the outer primaries basally white; all remiges tipped 

 with fuscous; lower back, rump, and upper tail coverts blackish fairly 

 broadly tipped with ashy mouse gray, the tips paling to white on the 

 upper tail coverts, the feathers white basally, the white showing 



