Italian traveler, naturalist, and author; born at Florence June 13, 1861; graduated at Pavia in 1883. From early youth he showed a marked inclination for natural science and a special fondness for travel. He visited the Malay Peninsula and returned with a very rich collection of specimens, which he presented to the museums of Genoa, Florence, and Rome. Among his numerous published works may be mentioned his "Ricerche sulla Grotta di Bergeggi"; "L'Isola di Nias"; "Un Viaggio all' Isola di Nias," Milan and Treves, 1890; and "L'Isola delle Donna."