Boston: L.C. Page, 1903. Green pictorial cloth stamped in black, white, and copper. pp (4)-424, 5, ads, [1, blank[, 2, ads + folding frontispiece map printed in red & black and one other folding map, both on thin paper. Spine lightly darkened with mild wear at ends; frontispiece has one small corner chip, one fold repaired on blank recto with clear archival paper tape; yellowing to page edges; three small ink digits to rear pastedown; else a VG bright and tight copy, no owner names. A lost race adventure novel, about the discovery of a kingdom of coloured people ruled by whites in Central Africa. Great Apes. "So realistic is most of its detail that it could be mistaken for an historical novel." - Clarkson, SF in America 1870-1930s no. 037. Not in Reginald. In Bleiler (1948) but not in the 1978 ed. Balfour was a noted Scottish medical author and tropical medicine specialist