 Complete the following phrase:  He studied painting at first, enrolling in 1849 at the École nationale supérieure des Beaux-Arts, though he made his debut at the Salon Paris in 1848 a Cavalier nègre attaqué par une lionne, plaster, and a drawing of the same subject and exhibited regularly until 1899. He won medals in 1859, 1865, 1869, took part in the 