XXII.—Descriptions of some new Species of South-American Birds of the families Tyrannidæ and FormicariidæPublished in Ibis, in 1881, in volume 5, pages 267-271XLVII.—On some new and little-known Species of TrochilidæPublished in Ibis, in 1881, in volume 5, pages 595-597
XLVII.—On some new and little-known Species of TrochilidæPublished in Ibis, in 1881, in volume 5, pages 595-597