LSE4332761 Members of the exploration mission: (from left to right:) Mr. Pietri, artillery lieutenant, in charge of the conduct of the convoy, Commander Gallieni, author of the story, Dr. Tautain, navy doctor, recruits for his knowledge of ethnography and natural history and Valliere, naval infantry lieutenant, in charge of the levees topographic and field study. Engraving by E.Ronjat, to illustrate the story of Exploration in Upper Niger, by Commander Gallieni, of the Marine Infantry, in 1880-1881, published in the Tour du monde, under the direction of Edouard Charton (1807-1890), 1882, Paris. Selva Collection. by Ronjat, Etienne Antoine Eugene (b.1822); Private Collection; (add.info.: Members of the exploration mission: (from left to right:) Mr. Pietri, artillery lieutenant, in charge of the conduct of the convoy, Commander Gallieni, author of the story, Dr. Tautain, navy doctor, recruits for his knowledge of ethnography and natural history and Valliere, naval infantry lieutenant, in charge of the levees topographic and field study. Engraving by E.Ronjat, to illustrate the story of Exploration in Upper Niger, by Commander Gallieni, of the Marine Infantry, in 1880-1881, published in the Tour du monde, under the direction of Edouard Charton (1807-1890), 1882, Paris. Selva Collection.); Photo by Leonard de Selva.