In 386 B. C. it was found necessary to enlarge the platform in the centre of which the temple stood; and as the hill was sloping, even precipitous, on three sides, it was necessary to raise huge foundation walls from the plain below to the level of the platform, a work described by Pliny (xxxvi. 15, 24) as prodigious, and by Livy (vi. 4) as one of the wonders of Rome. On July 6, 83 B. C., four hundred and twenty-six years after its dedication by Horatius Pulvillus, an unknown malefactor, taking advantage of the abundance of timber used in the structure, set fire to it, and utterly destroyed the sanctuary which for four centuries had presided over the fates of the Roman Commonwealth. The incendiary, less fortunate than Erostratos, remained unknown, the suspicions cast at the time against Papirius Carbo, Scipio, Norbanus and Sulla having proved groundless. He probably belonged to the faction of Marius, because we know that Marius himself laid hands on the half-charred ruins of the temple, and pillaged several thousand pounds of gold. [Illustration: _R. Lanciani del._ THE WESTERN SUMMIT OF THE CAPITOLINE HILL] Sulla the dictator undertook the reconstruction of the Capitolium, for which purpose he caused some columns of the temple of the Olympian Jupiter to be removed from Athens to Rome. Sulla's work was continued by Lutatius Catulus, and finished by Julius Cæsar in 46 B. C. A second restoration took place in the year 9 B. C. under Augustus, a third A. D. 74 under Vespasian, and the last in the year 82, under Domitian. It was therefore evident that, if the temple had not been literally obliterated since that time, its remains would show the characteristics of the age of Domitian, who is known to have made use of Pentelic marble in his reconstruction. We should also find these remains in the middle of a platform of the time of the kings, surrounded by foundation walls of the time of the republic. The accompanying plan shows how perfectly the remains discovered on the southwestern summit of the Capitoline Hill corresponded to this theory. The platform, in the shape of a parallelogram, 183 feet broad and a few feet longer, is built of roughly squared blocks of _capellaccio_, exactly like certain portions of the Servian walls. Its area and height were reduced by one third, when the Caffarellis built their palace, in 1680. A sketch taken at that time by Fabretti and published in his volume "De Columna Trajana" shows that fourteen tiers of stone have disappeared. A portion of the same platform, discovered in 1865, by Herr Schloezer, Prussian minister to Pius IX., is represented on the next page.