Order PASSERIFORMES. 
No. 587. 
Family PRION OP I D/E. 
ALPHACINCLA WOODWARDI. 
RED-BELLIED SHRIKE-THRUSH. 
(Plate 480.) 
Colluricincla woodwardi Hartert, Nov. Zool., Vol. XII., p. 228, Feb. 11th, 1905 : 
South Alligator River, Northern Territory. 
Colluricincla woodwardi Hartert, Nov. Zool., Vol. XII., p. 228, 1905; id., ib., Vol. XIII., 
p. 755, pi. 1 f. 2., 1906; Mathews, Hand!. Birds Austral., p. 82, 1908; Le Souef, 
Emu, Vol. VIII., p. 61, 1908; Hill, ib., Vol. X., p. 280, 1911 (N.W.A) ; Mathews, 
Nov. Zool., Vol. XVIII., p. 370, 1912 ; id., List Birds Austr., p. 238, 1913 ; Barnard, 
Emu, Vol. XIII., p. 188, 1914 (N.T.) ; id., ib., p. 210 (N.T.) ; id., ib., Vol. XIV., 
p. 47 (N.T.) ; H. L. White, ib., p. 57 (Eggs) ; id., ib., Vol. XVI., p. 225, 1917 (N.T,). 
Colluricincla woodwardi assimilis Mathews, Austral Av. Rec., Vol. II., pt. 5, p. 100, Sept. 
24th, 1914 : Napier Broome Bay, North-west Australia. 
Alphacincla woodwardi woodwardi Mathews, ib., p. 110. 
Alphacincla woodwardi assimilis Mathews , ib. 
Alphacincla woodwardi didimus Mathews, Bull. Brit. Orn. Club, Vol. XXXVI., p. 83, 
May 25th, 1916 : McArthur River, Northern Territory. 
Distribution. North-west Australia and Northern Territory. 
Adidt male. General colour of the upper-surface sepia-brown, including the back, wings, 
upper tail-coverts, and tail ; inner-webs of bastard-wing, primary-coverts, and 
flight-quills dark hair-brown with buff margins to the last ; crown of head, hind- 
neck, sides of face, and sides of neck similar but tinged with grey ; lores, feathers 
in front of the eye, cheeks, chin, and throat bufly- white with black hair-like tips 
to the feathers ; lower throat and fore-neck fawn-colour tinged with grey ; remainder 
of the under-surface dark fawn-colour, including the breast, abdomen, sides of 
body, thighs, under tail-coverts, axillaries, and under wing-coverts ; under-surface 
of flight-quills dark brown margined with dull cinnamon ; lower aspect of tail 
similar to its upper-surface, but paler. Eyes reddish-brown ; feet dark brown ; 
bill dark horn. Total length 255 mm, ; culmen 23, wing 114, tail 111, tarsus 28. 
Figured. Collected on the McArthur River, Gulf of Carpentaria, Northern Territory, 
on the 5th of September, 1913, and is the type of Alphacincla 'woodwardi didimus. 
Adult female similar to the adult male. 
Eggs. Two to three for a sitting and they show great variation in their size, shape, ground- 
colour and general markings. In some the ground-colour is quite a pearly- white, 
while in others it is a distinct creamy-white. A clutch of three, of the usual Shrike- 
Thrush shape : texture of shell smooth and glossy ; ground-colour pure pearly- 
white ; the markings of brownish-black, brown and slate-grey, are mostly large 
and sparingly distributed, principally about the larger end. The clutch measures 
30 mm. by 20-21. 
302 
