320 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



black band, a small black spot appearing on the inner web on the edge 

 of the white of the second outer feather, increasing in number and 

 intensity inward on the other primaries, where they become inter- 

 rupted bars not reaching entirely across the white to the inner web, 

 however; secondaries and tertials grayish brown with a dull black 

 subterminal band, the inner webs of the outer and the inner webs 

 and bases of the inner feathers white, barred with dark brown; wmg 

 coverts grayish brown ; primary coverts dull blackish brown, irregularly 

 barred with white on basal two-thirds of inner webs, the white extend- 

 ing to outer webs at extreme base; lining of wing cream-buff; sparsely 

 spotted with small cinnamon spots; axillaries creamy white, with 

 rather narrow bars of mars brown along the shaft; chin and throat 

 white, with narrow dark brownish streakings; rest of underparts white, 

 barred, spotted, or streaked comparatively lightly with mars brown, 

 the streaking or barring heavier on the chest, decreasmg on the ab- 

 domen, and ceasing entirely on the under tail coverts; thighs narrowly 

 barred with mars brown. 



Adult female. — None seen; probably like the male. 



Immature female. — (No male seen, but probably similar.) Like 

 adult, with very much white on the upperparts as in juvenal; tail 

 as in adult; chin and throat as in adult; rest of the underparts white 

 with only a few wood brown stripes on the breast and upper abdomen; 

 lower abdomen, flanks, thighs, and under tail coverts immaculate. 



Juvenal. — (No males seen, but probably similar to the females 

 which are as follows): Superciliary region and sides of face white, with 

 a few fine brown streakings, these markings slightly heavier on the 

 postocular streak, and more so on the rictal streak; lores, frons and top 

 of head white, broadly streaked with blackish brown, the region in 

 question having the appearance of being equally streaked with brown 

 and white, the streaks much finer on lores and frons; cervix and sides 

 of neck white, broadly streaked with sepia brown; mantle and rump 

 sepia, the feathers narrowly edged with cinnamon-rufous, this edging 

 more pronounced on the rump; upper tail coverts white, barred with 

 black; upper surface of tail white at the base, this color continuing a 

 short distance down the shaft of the middle feathers, and down the inner 

 web of the outer feathers almost to the tip, remainder of tail hair 

 brown, narrowly edged with white at the tip, with a subterminal band 

 of clove brown, and four or five irregular bars of lighter brown; lesser 

 wing coverts sepia with narrow edgings of cinamon-rufous ; middle and 

 greater wing coverts sepia, irregularly barred and edged with white 

 and little cinnamon-rufous, alula sepia, white on the inner webs of 

 the feathers, with sepia barrings and some cinnamon-rufous edgings; 

 primary coverts white at base, on the inner webs, and edges at the tip ; 

 sepia on the outer web and inner web on terminal portion with just 



