THE BIRDS OF AUSTRALIA. 
with black on the margin of the wing ; under-surface of flight-quills blackish- 
brown with whitish bases ; lower aspect of tail similar to its upper-surface; bill 
fleshy-white, culmen and operculum brown, eyes pale greyish-brown, feet and tarsi 
leaden-blue. Figured. Collected at Derby, North-west Australia, on the 12th of 
November, 1910. (Plate 503, top figure.) 
Immature males “ are brownish-black above and below, with narrow white streaks to 
the feathers on the throat; fore-neck and centre of the upper breast ferruginous- 
brown ; under tail-coverts blackish-brown with subterminal spots of white.” 
(North.) 
The following descriptions refer to Whitlocka wellsi (Plate 503, middle figure $, plate 
504 (?) :— 
Adult male . General colour of the upper-surface dark chocolate-brown, including the 
top of the head, nape, hind-neck, back, scapulars, and wings, most of the feathers 
have dusky bases ; inner-w r ebs of flight-quills orange-buff on the basal portion; 
upper tail-coverts and tail darker than the back and inclining to black, but slightly 
paler at the tips of the tail-feathers ; sides of face and sides of neck similar to the 
top of the head but rather paler ; rictal-bristles black but only feebly developed; 
chin, throat, and fore-neck black with white shaft-lines to the feathers; breast, 
abdomen, sides of body, thighs, and vent dark chestnut with pale shaft-lines to 
many of the feathers, some of which have dark fringes ; low r er flanks blackish-brown; 
under tail-coverts blackish-brown tipped with white; axillaries similar to the breast; 
under -wing-coverts buffy-white marked with dark brown; under-surface of flight- 
quills hair-brown at the tips and buff on the basal portion; lower aspect of tail 
similar to its upper-surface but somewhat paler and having white shafts to the 
feathers towards the base. Eyes brown, feet black, bill blackish-brown. Total 
length 173 mm. ; culmen 13, wing 95, tail 67, tarsus 24. Figured. Collected on 
the Strelly River, Mid-w r est Australia, in September 1907, and is Whitlocka wellsi 
(Grant). (Plate 504.) 
Adult female . Entire crown of head, including the fore-head soot-black; hind-neck, 
sides of neck, and mantle dark smoke-brown; back, rump, upper tail-coverts, 
and scapulars black ; tail black -with obsolete cross-bars and pale tips to the feathers; 
upper wing-coverts brownish-black ; bastard-wing and short outer primary dark 
brown edged with wdiite ; primary-coverts black like the greater coverts; flight- 
quills dark brown with a broad band of buff across both series ; innermost 
secondaries blackish with obsolete cross-bars ; sides of face smoke-brown dotted 
with chestnut, and pale shaft-lines to the ear-coverts ; chin and throat white ; fore¬ 
neck also white with chestnut fringes to the feathers ; breast and sides of body 
chestnut-browm with pale shaft-streaks ; abdomen cinnamon with narrow streaks 
of white and black, becoming almost uniform chestnut-brown on the vent and 
thighs ; under tail-coverts black marked with white on the apical portion; axillaries 
and under wing-coverts buff like the base of the flight-quills, the apical portion 
of the last blackish-brown ; lower aspect of tail black with pale tips to the feathers. 
Eyes brown, bill and feet black. Total length 160 mm. ; culmen 14, wing 93, 
tail 65, tarsus 23. Figured. Collected on the Shaw River, Mid-west Australia, 
in May 1908, and is the type of W . w. striata. (Plate 503, middle figure.) 
Eggs. Two eggs usually form the clutch. A clutch of tw r o eggs taken at Borroloola, Mc¬ 
Arthur River, Northern Territory, on the 19th of November, 1913, is of a pinldsh- 
wiiite ground-colour, spotted, blotched, and speckled with numerous and well- 
distributed markings ot‘ pinkish-red and purple, forming a cap at the larger end 
of each egg. Roundish ovals in shape ; surface of shell smooth and slightly glossy. 
23-24 mm. by 17. 
The eggs of C. wellsi are similar to the above. 
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