[AFRICA]. SNELGRAVE, William. A New Account of Some Parts of Guinea, and the Slave Trade. London: Printed for James, John, and Paul Knapton, 1734. 8o. Folding engraved map. Contemporary calf (rebacked). FIRST EDITION. Snelgrave was a slave-trader who in 1719 succeeded in transporting 600 slaves from the Gulf of Guinea to the West Indies. Sabin 85380. -- ADANSON, Michel. A Voyage to Senegal, the Isle of Goreem and the River Gambia. London: J. Nourse and W. Johnston, 1759. 8o. Folding engraved map. Contemporary calf (rebacked). FIRST EDITION IN ENGLISH of the first scholarly account of exploration in Senegal, including its flora and fauna. -- KAY, Stephen. Travels and Researches in Caffraria: Describing that Portion of Southern Africa. New York: B. Waugh and T. Mason, 1834. 12o. 4 engraved plates and one folding engraved map (map with repaired tear). Contemporary tree calf. FIRST AMERICAN EDITION of Kay's experiences as a missionary in Africa. (3)