SUPPLEMENT—BIRDS OF NORFOLK & LORD HOWE ISLANDS, ETC. 
Royigerygone insularis. LORD HOWE ISLAND FLY-EATER. 
Gerygone insularis Ramsay, Mack, Emu, Vol. XXIX., p. 303, April 1st, 1930. 
Nest. A compact, -well-made, domed structure, closely attacked to, and suspended from, a twig. 
Entrance-hole near the top ; at the bottom a very rudimentary tail-like appendage, 
measuring about three-quarters of an inch. Composed of dry, soft bark, fibre, leaves, a 
little grass and moss, and an amount of wool-like material, all bound together with spider’s 
web, and lined with feathers. Measurements about five inches long by two and three- 
quarters wide. 
The nest is rather like that of Acanthiza lineata, with the addition of the “ tail”. 
Eggs. Clutch three. Slightly pointed ovals in shape, texture fine, surface almost without gloss. 
White, faintly tinged -with pale pink and liberally freckled with reddish-brown, more 
particularly at the larger end, where it forms a cap varying in size and density. Measure¬ 
ments 17*5 to 18 mm. by 13 to 14. 
Breeding-season. September. 
Acrocephalus orientalis . EASTERN REED-WARBLER. 
Conopoderas orientalis Mathews, Birds Austr., Vol. XII., pt. x., p. 430, Feb. 8th, 1927. 
Cono'poderas australis Mathews, ib., Vol. IX., pt. vn., pi. 442, April 4th, 1922, top figure. 
Acrocephalus arundinaceus orientalis Baker, Fauna Brit. Ind., Birds, Vol. II., p. 391, April, 1924. 
Nest. The ordinary Reed-Warbler’s nest, built round three or four rushes, cup-shaped, composed 
of fine roots, etc., and lined with finer material of the same kind. 
Eggs. Clutch four to six. White to yellowish or greyish-white, sometimes tinged with green; 
marked with, good-sized irregular blotches of deep blackish-brown and sienna-brown. 
The green eggs also have underlying or secondary marks of lavender and neutral tint. Surface 
without gloss and rather coarse ; shape, long oval. Average measurements : 21*8 mm. by 
15*7. (Max., 23*4 by 15*4 ; 20*8 by 17*0. Min., 19*4 by 15*4 ; 19*9 by 14*3.) 
Breeding-season. May and June (Japan). 
Acanthiza hedleyi DARK THORNBILL. 
Molesworth and McGilp, Emu, Vol. XXIX., pt. in., p. 166, Jan. 1st, 1930. 
Nest. Dome-shaped, with a side entrance near the top. The entrance at the mouth is nearly 
two inches in diameter and reduced in size inside to about one inch. The whole structure 
made of swamp grasses and flower-down, lined with feathers and the latter material. 
The nesting-site was a clump of small bushes in a dry sw’amp, the nest placed about 
two and a half feet from the ground. 
Eggs. Clutch (?). Rounded oval in shape, slightly flattened at one end. White, sparsely spotted 
pink all over, with fewer spots towards the smaller end, and a decided ring of spots one-tbird 
of its length from the larger end. 18 mm. by 13. 
Another egg is rounded oval, tapering slightly at ono end. The texture of the shell- 
surface is coarser than is usual with the Acanthiza group. Very little lustre, white. The 
surface of the shell is minutely freckled with red-brownish spots, fairly evenly distributed, 
except that they are not so numerous towmrds the smaller end. 18 ram. by 13. 
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