Photo #: NH 42640 Port O'Praya, St. Jago Island Fruit boat coming off to meet the U.S. Brig Porpoise, which was cruising off the African coast on anti-slavery patrol, 1848. Sketch by Captain's Clerk Charles F. Sands, reproduced from his journal kept on board Porpoise during this cruise. Courtesy of Mr. W.F. Sands, 1939. U.S. Naval History and Heritage Command Photograph.