Map no IV Mission d'etudes de la maladie du sommeil 1907-1908, Distribution de la maladie du sommeil et des mouches testes, Shows distribution of sleeping sickness and tsetse flies. Places where the diesase was found are underlined and regions where the disease is unknown are indicated thus. Two names appear on the map: Mr le Dr Gustave Martin, Medecin des Troupes Coloniales, Chef de la Mission and M.M le Dr Leboeuf, Medecin des Troupes Coloniales. Roubaud, Agrege des Sciences naturelles, membres de la mission. c.1908