First American edition of Through Central Borneo by Carl Lumholtz.
Octavo, [two volumes], xix, 242pp; x, -467pp. Maroon cloth, title in gilt on spine. Sunning to spines. Frontispiece portrait with tissue cover in both volumes. Previous ownership inscription on front free endpaper. Large fold-out map of Borneo in Volume II. A very good complete set.
Carl Sofus Lumholtz was a Norwegian explorer and ethnographer, best known for his research of indigenous cultures in Australia and Mexico. His autobiography, My Life of Exploration, was published in 1921, shortly before his death.