Cat. Birds Brit. Mus. xxv. 1896; J. Linn. Soc. xiv. pp. 390-406; P.Z.S. 1876, pp. 638-672; 1878, pp. 155-212.
See Saunders, Cat. Birds Brit. Mus. xxv. 1896, pp. 171, 200-219.
Cf. Sperling, Ibis, 1868, pp. 286-288; Collingwood, Zoologist, 1867, pp. 980-983.
Mr. Barrett-Hamilton, however, tells the author that the feet are red in life.
Since referred by Milne-Edwards to the Cypselidae as Tachyornis.