 Complete the following phrase:  In 1881, resident of Bologna, he exhibited at Milan, The Cloister of the Abbey of S. Gregorio. In 1883, having moved to Rome, he displayed a Vedute of Piazza di San Trovaso at Moonlight. In 1886, De Maria became a member of the Roman Society of In Arte Libertas. In 1899, in Venice, he exhibited Cypresses of the Villa Massimo and The End of a Summers Day. This latter picture was selected by De Maria as his contribution to the 