Mr. J. Gould on two new Birds from Eastern Australia. 269 XXXIV. — On two new Birds from Eastern Australia. By John Gould, F.R.S. To the Editors of the Annals and Magazine of Natural History. 26 Charlotte Street, Bedford Square, W.C. Sept. 13, 1867. Gentlemen, Will you do me the favour to insert in your next Number the following descriptions of two birds from Eastern Australia, which I believe to be new to science, and oblige Yours very faithfully, John Gould. Cuculus [Cacomantis) castaneiventris. Chin, ear-coverts, crown, and upper surface deep purplish grey ; all the under surface, including the under tail-coverts, bright chestnut-red ; wings brown, glossed with olive ; upper tail-coverts and tail deep greyish purple ; all the feathers tipped and the lateral ones toothed on their inner web with white, which assumes on the two outer ones the appearance of interrupted bars; bill purplish black; legs and feet orange; nails black. Total length 9^ inches ; bill §, wing 4;^, tail 5, tarsi |. Hab. The Cape-York district of Queensland, Eastern Aus-tralia. Remark, This bird is much smaller than Cacomantis flabelli-formisj and, moreover, has much shorter wings, but assimilates very closely to that species in form and contour; it differs, however, not only from that and every other Australian cuckoo, but from all others I have yet seen from the islands to the northward; it is closely allied to a species inhabiting the Philippine Islands which I take to be the Cacomantis sepulchralis of Bonaparte, and more distantly to the Cacomantis hronzina of G.R.Gray. Ptilotis notata. Crown and all the upper surface greenish olive ; lores, a line beneath the eye, and the anterior portion of the ear-coverts brownish black ; from the angle of the mouth a pale-yellow stripe; posterior part of the ear-coverts pale yellow, assuming the form of a nearly round spot; under surface pale greyish olive, obscurely streaked with pale grey down the throat and breast; bill black, with a thick fleshy yellow gape; legs bluish. Total length 6;^ inches ; bill ly^^, wing 3f , tail 2 J, tarsi |. Habitat. The Cape-York district of Queensland, Eastern Australia.