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Rh chapters 61, 62. One or two important facts are added by Sismondi, but without references. I take his statement as on the whole trustworthy, using Villani's authority wherever it reaches; one or two points I have further to explain to you myself, as I go on.

126. The first tale shows very curiously the mercenary and independent character of warfare, as it was now carried on by the great chiefs, whether Guelph or Ghibelline. The Florentines wanted to send a troop of five hundred horse to assist Orvieto, a Guelph town, isolated on its rock, and at present harassed upon it. They gave command of this troop to the Knight Guido Guerra de' Conti Guido, and he and his riders set out for Orvieto by the Umbrian road, through Arezzo, which was at peace with Florence, though a Ghibelline town. The Guelph party within the town asked help from the passing Florentine battalion; and Guido Guerra, without any authority for such action, used the troop of which he was in command in their favour, and drove out the Ghibellines. Sismondi does not notice what is quite one of the main points in the matter, that this troop of horse must have been mainly composed of Count Guide's own