THE BIRDS OE AUSTRALIA. 
The female is very similar to the male but for the streaking on the feathers of the 
throat and breast not so pronounced and the under-surface buff. 
Adult female. — Rufous-brown above including the head, back, and wings, becoming chestnut 
on the rump and upper tail-coverts ; median and greater upper wing-coverts 
tipped with white ; primary-coverts dark brown ; quills pale brown edged with 
rufous-brown on the outer webs, paler on the outermost feathers ; tail olive- 
brown edged with rufous-brown on the outer webs of the feathers with a broad 
subtermmal black bar and slate-grey tips, the middle feathers uniform olive-brown 
without any dark subterminal bar ; supraloral streak and line over the eye white ; 
ear-coverts rufous-brown with minute buff shaft lines ; throat, breast and under- 
surface ochreous-buff with dark shaft streaks ; middle of abdomen inclining to 
white ; thighs dusky ; under tail-coverts bright rufous ; under wing-coverts grey. 
Total length 142 mm. ; culmen 15, wing 52, tail 56, tarsus 21. Collected at 
Lethbridge, Victoria, in April 1907. 
Immature. — Crown of head, hind-neck, upper-back, dusky-brown, becoming coffee-brown 
on the lower back, wings, and central tail-feathers, the median and greater upper 
wing-coverts are paler at the tips ; flight-quills blackish-brown on the inner-webs ; 
rump, upper and under tail-coverts deep chestnut ; outer tail-feathers banded 
with black subterminally and tipped with ash-grey ; lores and a line above the 
eye whitish ; sides of the face similar to the crown, slightly speckled with grey ; 
chin, throat, fore-neck and upper-breast chestnut, more or less intermixed with 
grey ; middle of abdomen white ; sides of the body coffee-brown with dark slate- 
grey bases to the feathers ; thighs slate-grey ; under wing-coverts pale chestnut ; 
under-surface of flight-quills dark brown ; lower aspect of tail bronze-brown ; 
banded subterminally with black and tipped with slate-grey. Collected at Landslip, 
Anglesea, Victoria, on the 16th of October, 1912. 
Immature. General colour of the upper-surface chestnut with a greyish tinge on the top 
of the head, hind-neck and sides of the neck ; greater upper wing-coverts and 
primary-coverts tipped with buff, outer edges of some of the primaries whitish ; 
inner- webs of the flight-quills dark brown with pale margins ; middle tail-feathers like 
the back, the outer ones banded subterminally with black and tipped with greyish- 
white ; sides of the face similar to the top of the head but rather paler with whitish 
lines to the feathers ; throat, breast, and abdomen ferruginous, paler and inclining 
to white on the middle of the breast and abdomen and darker on the sides of the 
body ; under wing-coverts similar to the breast but paler ; under-surface of 
flight-quills hair-brown with paler margins ; lower aspect of tail grey tinged with 
ferruginous, and banded with black. Eyes, bill and legs brownish. Collected 
at Exeter, New South Wales, in October 1914. 
Nest. Dome-shaped with side entrance, composed of grasses and bark and lined with 
feathers, and placed near the ground, and measures 4 inches inside by 6 deep. 
Eggs. Clutch, two. Ground-colour pinkish-white to buff, spotted with brownish, but 
more at the larger end, where a zone is formed : 19 mm. by 14. 
Breeding- season. July to December. 
HYLACOLA CAUTA. 
Adult male. General colour of the upper-parts dark smoke-brown, including the top of 
the head, hind-neck, sides of neck, back and wings, with a slight tinge of hoary- 
grey on the head and sides of the neck ; primary-coverts blackish ; outer webs 
of some of the outer-primaries white at the base, which forms a wing-speculum ; 
inner webs of flight-quills blackish ; upper tail-coverts dark chocolate-brown ; 
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