About six miles from Montefiascone, a few paces to the right of the main road, is a bath called Naviso, in the middle of a wide plain. It is three or four miles distant from the nearest hill, and the outflow has formed a little lake, at one end of which is to be seen a strong spring of hot water boiling up briskly. It smells of sulphur, having a scum on the surface and a white sediment. On one side of this spring is a pipe which conveys the water to two baths in a house near by. This, the only bath-house in the place, has numerous chambers, but they are very bad. I fancy, however, that few people come here. The water may be drunk for seven days, ten pounds per diem, but before it is taken it must be left some time to get cool, as at the baths of Preissac.[98] The patients bathe in addition. This house and the bath belong to a church, and is let for fifty crowns per annum. The bath is likewise of great use to the sick people who come here in the spring of the year, and the man who hires it sells a quantity of the mud taken from the bath, which mud, when dissolved in hot oil, is good for the itch in human beings, and for scabby dogs and cattle, when diluted with water. The price of this mud when sold on the spot is two giulios a load, but they sell it also in dried balls for seven quattrini apiece. We saw here a lot of dogs belonging to Cardinal Farnese, which had been sent here for the bath. Three miles farther on we came to Viterbo, and our arrival here was so ill-timed that we were forced to take dinner and supper together. I was hoarse and had a bad cold through having slept in my clothes last night on a table at S. Lorenzo, by reason of the vermin, a misadventure which only befell me at Florence and this place. At Viterbo the people eat a sort of acorn which they call _gensole_;[99] it is found in various other parts of Italy and is pleasant to taste. Starlings are so plentiful that they are to be had for one baiocco each.