Third Impression. Folding map, 15 plates. Original cloth (possibly a remainder binding), bit worn, small split in front joint. [xii], 380pp. London, Edward Arnold, 1926.
Account of an expedition to the Kansu province of China and north-eastern Tibet in 1914-1915. Farrer (1880-1920) was accompanied on the expedition by William Purdom and both had an interest in plant-collecting.
