At the eighth milestone there was a Temple of Hercules erected by Domitian. Martial mentions this temple in several passages. There are considerable remains of a tetra-style temple on the right hand of the road, consisting of columns of Alban peperino; but this, which was once supposed to be the Temple of Hercules, is now said to have contained an altar to Silvanus. [Sidenote: Bovillæ.] The Villa and Farm of Persius the poet is said by his biographer to have been near the eighth milestone. At the ninth stood the Tomb of Gallienus, and perhaps the ruins there belong to his suburbanum. At the tenth milestone, the Rivus Albanus, formerly the Aqua Terentina, is crossed; and at the eleventh, the road begins to ascend the slope towards Albano. At the twelfth, the circuit of the walls of the ancient town of Bovillæ is approached. Dionysius says that Bovillæ was situated where the hill before reaching Albano first begins to be steep, and this answers to the position of the modern Osteria delle Frattocchie. The ruins which are now generally held to be those of Bovillæ lie on the cross road, called Strada di Nettuno, a little way above Frattocchie.[134] They consist of a small theatre built of brickwork and opus reticulatum, and a somewhat larger circus, the enclosure of which and the carceres are still pretty well preserved. The town did not lie close to the road. It was founded by a colony from Alba Longa, and was a flourishing place until Coriolanus destroyed it. For centuries afterwards we find but little notice taken of it. In Cicero’s time it was a very insignificant village, and had it not been immortalised by the assassination of Clodius there, which led to such important results, it could hardly excite any interest in later times.[135]