An original article from Royal Geographic Society, 1887, 2 maps, 40 pages.

A geographical report by British explorer and colonial official Archibald R. Colquhoun, chronicling his overland expedition from Guangzhou through Wuchau (梧州), Pe-Se(百色), Ssu-Mao(思茅), and Tali (大理) to the Burmese border between 1881 and 1882. The book documents the region's river systems, mountain ranges, trade routes, ethnic minority groups, and colonial-era economic potential, accompanied by two maps.