Colquhoun's expedition was to survey a projected railway connecting Canton with Burma. During the course of his travels he passed through many regions previously unexplored and unmapped by Europeans, and established his reputation as an explorer.

First U.S. edition; 2 vols, 8vo; 30 plates, 4 folding, 3 coloured maps, 2 folding, and numerous illustrations in the text; original grey pictorial cloth gilt, slight browning, ownership inscription on title, a very good set; xxx, 420; xvi, 408 pp.

Cordier (Sinica), 343; Howgego IV, C47.