The portico in front of the first of the four buildings referred to, that of Eumachia, contained a double series of columns, one above the other, corresponding in style and dimensions with those of the colonnade; but there was no upper floor running back from the intervening entablature. The arrangement in front of the fourth building, the Macellum, was similar; as the remains of the porticos in front of the two intervening buildings have wholly disappeared, it is impossible to determine their character. The area of the Forum was paved with rectangular flags of whitish limestone. In front of the colonnade, the pavement of which was about twenty inches above that of the open space, a broad step or ledge projected, covering a gutter for rain water; the water found its way into the gutter through semicircular openings in the outer edge of the step. Of the many statues that once adorned the Forum not one has been found. As may be seen from the pedestals still in place, they were of three kinds, and varied greatly in size. First, statues of citizens who had rendered distinguished services were placed in front of the colonnade on the ledge over the gutter. Four pedestals that once supported statues of this sort may be seen on the west side. Then equestrian statues of life size were set up in front of the ledge, these also in honor of dignitaries of the city (Fig. 17). On one of the pedestals the veneering of colored marble is still preserved, with an inscription showing that the person represented was Quintus Sallustius, "Duumvir, Quinquennial Duumvir, Patron of the Colony." Finally, on the south side, the life size equestrian statues, which seem at the outset to have been arranged symmetrically, were almost all removed in order to make room for four much larger statues, the pedestals of which still remain (Fig. 53, p. 122). These must have represented emperors, or members of the imperial families. The pedestal in the middle, which is in the form of an arch almost square at the base, is much the oldest. Upon it was probably placed a colossal statue of Augustus. It is incredible that during the long and successful reign of the first emperor no statue in his honor should have been erected in Pompeii; and this is the most suitable place. The other three pedestals are similar in construction, and clearly belong together. The one at the right (2 on the plan) supported a colossal equestrian statue; that at the left (3) a colossal standing figure; on the third, further forward (4), was a smaller equestrian statue. Here stood, then, emperor, empress, and crown prince--Claudius, Agrippina, Nero.