Order PASSERIFORMES. 
No. 24. 
Family MUSCICAPIDjE. 
ROYIGERYGONE INSULARIS. 
LORD HOWE ISLAND FLY-EATER. 
(Plate 21.) 
Royigerygone Mathews, Austral Av. Rec., Vol. I., pt. v., p. 110, Dec. 24th, 1912. Type (by 
original designation): Gerygone malheiosce Mathews =Gerygone modesta Pelzeln. 
Gerygone INSULARIS Ramsay, Proc. Linn. Soc. (N.S.W.), Vol. III., p. 117, Sept. 1878 : Lord 
Howe Island. 
Gerygone insularis Ramsay, Proc. Linn. Soc. (N.S.W.), Vol. III., p. 117, Sept. 1878 ; Mathews, 
Nov. Zool., Vol. XVIII., p. 448, Jan. 1912. 
Gerygone lliorpei Ramsay, Proc. Linn. Soc. (N.S.W.), Ser. ii., Vol. II., p. 677, March 21st, 1888 : 
Lord Howe Island ; Mathews, Handl. Birds Austr., p. 63, Jan. 1908. 
Royigerygone insularis Mathews, List Birds Austr., p. 322, Dec. 1913 ; Mathews and Iredale, 
Austral. Av. Rec., Vol. IV., p. 109, Dec. 16th, 1920. 
Distribution. Lord Howe Island. 
Adult male. Head and hind-neck pale olive-brown ; fore head whitish ; scapulars, lower back 
and rump olive-brown shading into greenish-olive in the upper tail-coverts ; wing-coverts 
olive-brown ; primary-quills brownish-ash bordered on the outer web with yellowish- 
olive ; middle pair of tail-feathers ash-brown, with an indistinct blackish patch towards 
the extremity, remaining pairs olive-brown at the base, blackish towards the extremity 
and with a triangular patch of white near the tip ; lores whitish ; sides of face, ear-coverts, 
cheeks, chin and throat light greyish-white ; sides of neck and fore-neck greyish-white ; 
breast, abdomen, sides of body, flanks and thighs pale primrose-yellow ; under tail-coverts 
white ; under wing-coverts and axillaries white, tinged with yellowish ; quills below 
ash-colour, whitish on the margins of the inner web. Bill dark greyish-black, eyes pink, 
feet dark blue-grey. Total length 125 mm.: culmen 10, wing 58, tail 50, tarsus 23. 
Figured. Collected at the Pines, Lord Howe Island, on the 11th of May, 1914. 
Adult female. Similar to the adult male. 
Immature. Entire upper-surface brownish-olive, brightest on the rump ; primaries and secondaries 
ash-brown, narrowly margined on the outer web with olive ; tail-feathers brownish-olive, 
blackisli-brown across the middle and with a large spot of white on the inner w T eb near the 
extremity ; lores, chin and throat yellowish-white ; chest, breast and abdomen pale yellow ; 
under tail-coverts yellowish-white ; under wing-coverts and axillaries white, tinged with 
yellow. Bill black, eyes light pink, feet greyish-black. Collected at Airs. Nichols, Lord 
Howe Island, on the 4th of August, 1913. 
Younger. Top of the head, back and wrings brown, tinged with olive ; fore head paler ; primaries 
and secondaries narrowly margined on the outer web with olive ; tail-feathers olive-brown, 
lighter on the outer web, with a broad band of blackish-brown across the middle and 
another broad band of white near the extremity ; lores dull yellow ; chin, throat, sides 
of the face, chest, breast, sides of the body and abdomen pale sulphur-yellow ; under 
tail-coverts dull yellow ; under wing-coverts and axillaries white, tinged with yellow ; 
under aspect of quills ash, lightest on the margins of the inner v r eb. Bill dark grey, eyes 
pink, feet dark blue-grey. Collected at the Pines, Lord Howe Island, on the 29th of 
January, 1914. 
Nest and eggs not described. 
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