YELLOW-BREASTED SHRIKE ROBIN. 
breast, sides of the body, abdomen and under tail-coverts bright yellow ; thighs 
grey ; axillaries and under wing-coverts white more or less intermixed with dusky- 
brown ; under-surface of flight-quills dark brown margined with white on the 
basal portion ; lower aspect of tail also dark brown with white shafts and edged 
with white on the apical portion of the feathers. Eyes brown. Total length 
153 mm. ; culmen 13, wing 89, tail 69, tarsus 20. Figured. Collected on the 
Barron River, North Queensland, on the 5th of April, 1912. 
Adult females. From the same locality are similar. 
Immature male. Fore-part of head and sides of hinder-crown lead-grey inclining to whitish 
on the base of the fore-head ; middle of crown and nape smoke-brown with paler 
shaft-streaks to the feathers ; lesser and median upper wing-coverts lead-grey ; 
scapulars similar with smoke-brown and whitish centres to the feathers on their 
apical portion ; bastard- wing and greater coverts dark brown or blackish, some of 
the feathers slightly marked with smoke-brown at the tips ; primary-coverts 
uniform black ; outer edges of primary-quills pale grey becoming bronze-green on 
the secondaries and inclining to blackish on the middle portion, inner webs of both 
primary and secondary quills blackish fringed with white and more or less marked 
with the same colour on the basal portion ; upper back grey tinged with green at 
the tips of the feathers ; lower back and upper tail-coverts yellowish-green inter- 
mixed with pale smoke-brown feathers which have pale shaft-lines ; tail-feathers 
dark brown fringed with green on the outer webs and with white on the inner ones, 
the white increasing in width at the tips of the outer feathers ; rictal bristles black ; 
lores dusky ; feathers below and behind the eye smoke-brown ; hinder cheeks grey ; 
chin greyish-white with black liair-like tips to the feathers ; fore-part of cheeks 
grey ; throat and breast yellow with a patch of pale smoke-brown feathers with 
whitish shaft-streaks on the upper-breast ; abdomen white ; under tail-coverts 
pale isabelline ; sides of body dark ochreous ; axillaries and under wing-coverts 
lead-grey, the greater series, outer edge of wing, and inner margins of flight-quills 
at the base white, the remainder of the last pale brown ; lower aspect of tail greyish- 
brown, the outer feathers edged with white on the inner webs which becomes wider 
at the tips. Collected at Selby, Victoria, on the 31st of December, 1912. 
Immature male. Crown of head and sides of face smoke-brown with pale shaft-lines and 
lead-grey bases to the feathers ; hinder face and sides of neck lead-grey ; upper 
back, scapulars, and lesser and median upper wing-coverts with smoke-brown tips 
to many of the feathers ; greater series blackish-brown with buffy-white pear- 
shaped markings at the tips ; bastard-wing and primary-coverts uniform black ; 
flight-quills blackish-brown with white inner margins, grey on the outer edges of the 
primaries becoming dark green on the secondaries ; lower back for the most part 
smoke-brown with pale shaft-lines to the feathers, becoming paler and more rust 
colour on the upper tail-coverts ; tail-feathers blackish-brown margined with green 
on the outer webs and fringed with white on the inner ones, more broadly at the tips 
of the outer feathers ; rictal bristles black and directed laterally ; chin, throat, 
and fore-neck fulvous-brown intermixed with buffy- white, sides of fore-neck sulphur- 
yellow ; breast smoke-brown with pale shaft-lines to the feathers becoming paler on 
the sides of the body and abdomen, inclining to white on the middle of the latter ; 
under tail-coverts isabelline ; under wing-coverts dark slate-grey, greater series, outer 
edge of wing, and inner margins of flight-quills below white ; under-surface of quills 
hair-brown ; lower aspect of tail greyish-brown, whitish at the tips of the feathers. 
Collected at Selby, Victoria, on the 31st of December, 1913. 
Immature male (in first plumage). Crown of head, nape, and sides of face smoke-brown 
with pale shaft-lines and lead-grey bases to the feathers ; mantle dark lead-grey 
with a slight greenish tinge, remainder of the back, scapulars, and upper tail-coverts 
287 
