... were large tracts of land the renewed cultivation of which was never attempted; and these were soon increased by domains which yielded insufficient returns and were gradually abandoned. The Italian peasant had ever had a hard fight with the insalubrity of his soil. Fever has always been the dreaded goddess of the environs of Rome. But constant labour and effective drainage had kept the scourge at bay, until the evil moment came when the time of the peasant ... — A History of Rome, Vol 1 - During the late Republic and early Principate • A H.J. Greenidge