The addition of a second species to the genus _Psophodes_ will be hailed with pleasure by every one who makes the science of ornithology a matter of study; nor will its discovery be a subject of surprise to us, as it is only another illustration of that beautiful law of representation which is conspicuously carried out in Australia. The habitat of the present bird will doubtless be hereafter found to be as strictly confined to the western part of the continent as that of the _P. crepitans_ is to the eastern. As yet only a single example has reached me, and in all probability no other specimen has ever fallen by the gun of any individual. It is to Mr. Gilbert’s perseverance that science is indebted for the knowledge of this new bird, and his notes which accompanied the specimen (a male) I here transcribe:—“Inhabits thickets of a small species of _Leptospermum_ growing among the sand hills which run parallel with and adjacent to the beach. It utters a peculiar harsh and grating song which it is quite impossible to describe, and which is so different from that of every other bird I ever heard or am acquainted with, that I shall have no difficulty in recognizing it again wherever I may hear it. I heard it for the first time, together with the notes of many other birds equally strange to me, in the vicinity of the Wongan Hills a few weeks back, but could not then obtain a sight of the bird, although I knew from its singular and never to be mistaken note that it was only a few yards from me.” Plumage of the upper surface olive; under surface ashy, passing into brown on the flanks and white on the centre of the abdomen; primaries brown; tail light olive-brown, the four lateral feathers crossed near the extremity with a hand of black, and tipped with white; throat deep black, with a stripe of white from the angle of the lower mandible, just within the black; bill dark horn-colour; irides dark brown; feet dark horn-colour. The figures are of the natural size. [Illustration: SPHENOSTOMA CRISTATUM: _Gould_. _J. & E. Gould del^t._ _C. Hullmandel Imp._ ] SPHENOSTOMA CRISTATUM, _Gould_. Crested Wedge-bill. _Sphenostoma cristatum_, Gould in Proc. of Zool. Soc., Part V. p. 150.—Ib. Syn. Birds of Australia, Part IV.