Africa.- Colomb (Capt. Philip Howard) Slave-Catching in the Indian Ocean. A Record of Naval Experiences, first edition, half-title, wood-engraved frontispiece and 7 plates, lacking folding map, 24pp. publishers' catalogue at end, foxed, ex-library copy from the English Rooms, Funchal with label on front pastedown and one or two stamps, original pictorial green cloth, gilt, worn, rebacked preserving original spine, 1873 § Sulivan (Capt. G.L.) Dhow Chasing in Zanzibar Waters and on the Eastern Coast of Africa: Narrative of Five Years' Experience in the Suppression of the Slave Trade, third edition, half-title, wood-engraved frontispiece, plates and illustrations, folding colour map, ink inscription and spotting to half-title, original cloth, rubbed, recased, new endpapers, 1873, 8vo (2)