ALLEN, William; T. R. H. Thomson.
A narrative of the expedition sent by Her Majesty's Government to the River Niger, in 1841.
Under the command of H. D. Trotter, R.N. Published with the sanction of the Colonial Office and the Admiralty.
London:Richard Bentley, 1848
First edition. 2 volumes, 8vo, xviii, 509; viii, 511 pp., 18 engraved plates (one folding), numerous illustrations in text, 3 maps (2 folding), Original blue cloth, the preferred deluxe binding, spines and boards elaborately lettered and decorated in gilt and blind, all edges gilt. Housed in the blue cloth slipcase. A fine set.