DU CHAILLU, Paul Belloni (1831-1902). Explorations & Adventures in Equatorial Africa. London: John Murray, 1861. 8°. Large folding engraved map, folding wood-engraved frontispiece and 26 plates (short tear in map). Contemporary crimson calf gilt, green lettering piece on spine, marbled edges (very lightly rubbed). Provenance: H.E. Butler, 1863 (presentation inscription on an endpaper from H.A. Langham on the former's leaving Eton). FIRST EDITION.