 Few other names of bishops of the early period are known; but from the tenth century the list is more complete.In 877, Pope John VIII, fearful of the continued Saracen raids on the west coast of Italy, begged for assistance from the Emperor Charles the Bald.When he arrived in Italy, Charles met the Pope at Pavia, but was discomfited to discover that his own Viceroy for Italy, Boso, and the Italian nobility were unenthusiastic about proposed operations.