Order PASSERIFORMES. 
No. 30. 
Family CA M POP HA G1DJE. 
DIAPHOROPTERUS LEUCOPYGUS. 
NORFOLK ISLAND CATERPILLAR-CATCHER. 
(Plate 25.) 
Diaphoropterus Oberholser, Proc. Acad. Philad., p. 214, June 2nd, 1899. Type (by original 
designation): Symmorphus leucopygus Gould. 
Symmorphus Gould, Synops. Birds Austr. and Adj. Isl., pt. rv., App., p. 3, April 1838. Type 
(by monotypy): Symmorphus leucopygus Gould. Not Wesmael, Mon. Odyn. Belg., 1833. 
Symmorphus leucopygus Gould, Synops. Birds Austr. and Adj. Isl., pt. iv., App., p. 3, April 1838 : 
New South Wales error=Norfolk Island. 
Symmorphus leucopygus Gould, Synops. Birds Austr. and Adj. Isl., pt. rv., App., p. 3, April 1838 ; 
Sharpe, Cat. Birds Brit. Mus., Vol. IV., p. 109, March 26th, 1879. 
Campephaga longicaudata Pelzeln., Sitzungsb. Ak. der Wiss., Vol. XLI., p. 321, 1860 (after June 
8th): Norfolk Island. 
Diaphoropterus leucopygius Mathews, Handl. Birds Austral., p. 68, Jan. 1908 ; id., List Birds 
Austr., p. 323, Dec. 1913. 
Lalage ncevia leucopyga Mathews, Nov. Zook, Vol. XVIII., p. 449, Jan. 1912. 
Distribution. Norfolk Island. 
Adult male. Crown of head, occiput and nape black, slightly glossed with oil-green ; scapulars 
and lower back glossy greenish-black ; feathers of the rump very dense and fluffy and 
creamy-white in colour; upper tail-coverts dark grey; lesser wing-coverts black ; 
median-coverts black, edged with white ; greater coverts white at the base and black 
on the terminal half, tipped with white ; primaries and secondaries black, white on the 
basal third and slightly margined on the outer web with white ; the three central pairs 
of tail-feathers black ; the outermost pairs black on the basal half and with the terminal 
half white; feathers round the eye white and a white line running from the nostrils to 
the eye; lores black ; sides of face, cheeks, chin and throat white ; sides of the neck 
white, fore-neck, chest, breast, abdomen, sides of the body and flanks rich creamy-buff; 
under tail-coverts white, tinged with cream ; under wing-coverts and axillaries white. 
Bill black, eyes dark brown, feet black, tinged with greenish. Total length 185 mm. : 
culmen 11, wing 90, tail 86, tarsus 26. Eigured. Collected at Mt. Pitt, Norfolk Island. 
Adult female. Crown of head, occiput, nape and hind-neck, blackish-brown with hidden white 
spots ; scapulars and lower back brownish-black ; feathers of the rump very dense and 
fluffy, creamy-white in colour, tinged with rusty ; upper tail-coverts ash-grey ; lesser wing- 
coverts black ; median-coverts black tipped with white ; greater coverts white at the 
base and black on the terminal half ; quills brownish-black, white at the base of the inner 
web ; secondaries broadly margined with white and the primaries narrowly margined 
with rusty; the middle pair of tail-feathers blackish-brown, the outer pairs black on the 
basal half and white on the terminal half ; lores whitish ; sides of the face, cheeks, ear- 
coverts, chin and throat white, slightly tinged with pale buff ; sides of neck, fore-neck, 
chest, breast, abdomen and sides of the body rich tawny-buff ; under tail-coverts pale 
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