GREAT BOWER-BIRD. 
Clilamydera nuchalia nuchalis Rothscluld, Ibis, 1911, p. 365; Mathews, Nov. Zool., 
Vol. XVIII., p. 440, 1912. 
Chlamydera mtchalis orienialia Rotlischild, Ibis, 1911, p. 365. 
Chhmydera nwhalia oioeni Mathews, Nov. Zool., Vol. XVIII., p. 440, Jan. 31st, 1912 : 
Point Torment, North-west Australia; id.. Austral Av. Rec., Vol. I., p. 64, 1912. 
Chlamydera nuchalis melvillenais Mathews, Austral Av. Rec., Vol. I., pt. 2, p. 52, April 
2nd, 1912 : Melville Island. 
Rogersomis nuchalis nuchalis Mathews, List Birds Austr., p. 311, 1913. 
Rogersornia nuchalis melvillensis Mathews, ib. 
Rogersomis nuchalis oweni Mathews, ib. ; id., South Austr. Orn., Vol. 3, p. 228, 1918. 
Distribution. Tropical Northern Australia. 
Adult male. Peathers of fore-head, lores and top of the head whitish-grey; hind-neck 
similarly coloured, but each feather tipped with silvery-white; a bar of rose-lilac 
feathers across the liind-neck, bordered above and at the sides by the white tips 
of the upper neck-feathers; upper mantle ash-grey with wliitish shaft-streaks; 
mng-coverts, back, rmnp and upper tail-coverts greyish-ash, each feather broadly 
edged with wliitish-grey ; tail-feathers ash-brown, bordered on the outer webs 
with olive and widely tipped at the extremity with white ; primaries ash-grey with 
the outer web greyish-white and tipped with white ; secondaries ash-grey, widely 
tipped with white, and faintly margined with grey ; throat, chest, breast and 
sides of the body Avhitish-grey; middle of the belly and abdomen yellowish- 
white ; under tail-coverts wliitish with concentric bands of brownish-grey. Eyes 
brown, feet and tarsi brown, bill brown. Total length 405 mm. ; culmen 30, 
wing 190, tail 158, tarsus 56. Figured. Collected at Point Torment, North¬ 
west Australia, on the 14th of March, 1911, and is the tj^e of C. n. oweni (pi. 587). 
Adult female. Lores, top of the head, cheeks and hind-neck silvery-grey; back of the 
neck and upper mantle greyish-ash ; mantle and back brownish-ash margined 
with greyish-white ; rump and upper tail-coverts lighter, widely tipped with white 
and with a penultimate spot of white on each feather; tail brownish-ash, margined 
on the sides with grey and tipped with white ; primaries brownish-ash, with the 
outer web margined with whitish ; secondaries darker and widely tipped with 
white: primary-coverts broadly tipped with wliite, forming a speculum ; chin, 
tluoat, chest and breast and sides of the body brownish-grey ; middle of the belly 
and abdomen creamy-white; under tail-coverts yellowish-white with concentric 
bands of brown; under-surface of tail whitish-grey. Eyes brown, feet and tarsi 
olive-brown, bill black. Total length 394 mm. ; culmen 31, wing 188, tail 159, 
tarsus 51. Figured. Collected on Marngle Creek, West Kimberley, N.W.A., on 
the 3rd of June, 1911 (pi. 587). 
Adult male. Feathers of the top of the head smoky-grey, indistinctly tipped with 
whitish-grey; a large patch of beautiful rose-lilac shaded towards the tips with 
lilac-blue across the back of the neck; hind-neck and upper mantle brownish- 
ash with pale shaft-streaks; wing-coverts, back, mantle, rmnp and upper tail- 
coverts ash-brown, each feather widely tipped with greyish-white, and the latter 
margined along the sides wdth the same colour; tail ash-brown, margined on the 
outer web with grey and on the imier web with whitish-grey; primaries smoky- 
brown, margined on the outer web with greyish-white and" with the irmer web 
widely bordered with whitish ; secondaries ash-brown, margined on both webs 
with whitish-grey and tipped with white; chin, throat, chest, breast and sides 
of the body smoky-grey, darkest on the throat; middle of the beUy and abdomen 
341 
