Cf. Buller, Birds of New Zealand, 2nd ed. i. 1888, p. 104; Wilson and Evans, Aves Hawaiienses, pt. i. 1890, p. 3.
P.Z.S. 1883, p. 63.
Ibis, 1891, p. 510-512.
Shelley, Monograph of the Nectariniidae, London, 1880, p. xiii.
For the Family see Sclater, Monogr. Tanag. 1857; and Cat. Birds Brit. Mus. xi. 1886.