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PACHYCEPHALOPSIS FORTIS.

Grey-throated Thickhead.

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Pachycephala fortis, Gadow, Cat. Birds in Brit. Mus. vol. viii. p. 369 (1883).

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We have already had the pleasure of figuriug two species of Pachycephalopsis in the present work, and we

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now introduce to our readers a third very interesting species, recently discovered by Mr. A. Goldie during
his explorations at the back of the Astrolabe range of mountains in South-eastern New Guinea.

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The present species is somewhat allied to P. hattamensis, but is strikingly different, being distinguished
by the uniform grey throat and breast, the pale yellow under tail-coverts, and the absence of rufous on the
wings. It resembles the last-named species, however, in its olive-green back and grey head.

The following is a description of the type specimen in the British Museum :—

Adult, General colour above olive-greenish ; wing-coverts like the back, the greater and primary-coverts
dusky, externally edged with olive-green, the bastard-wing feathers grey; quills dusky brown, externally
olive-green, browner on the primaries, the inner secondaries entirely like the back ; tail-feathers dull olive-
brown, greener on the edges and barred with dusky under certain lights ; head and nape slaty grey, as also
the sides of the neck, ear-coverts, and sides of face; lores greyish white; cheeks, throat, and breast pale
grey, with narrow dusky shaft-streaks to some of the feathers of the fore neck ; abdomen creamy white ;
sides of body pale brown washed with olive ; thighs ashy washed with olive ; under tail-coverts yellowish white
washed with olive-yellow ; under wing-coverts and axillaries pale olive-yellow ; quills dusky below, ashy along
the edge of the inner web. Total length 6°6 inches, culmen 0°85, wing 3°65, tail 2°75, tarsus 1:05.

[R. B. S.J

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