A fifth pedestal, for an equestrian statue of the same size as that of Nero, is seen further to the north, in front of the temple of Jupiter (5). While unquestionably later than the time of Augustus, it must on the other hand be older than the pedestals of members of the Claudian family; for aside from himself, no one belonging to Nero's time can be taken into consideration, and after his death the Forum lay in ruins in consequence of the earthquake of the year 63. Who stood here, however, can scarcely be even conjectured. Not necessarily an emperor; the younger Drusus, for instance, Tiberius's son, or Germanicus might have been thus honored if they had in any way come into relation with the Pompeians. But if an emperor, it must have been Caligula; another place was provided for the statue of Tiberius. In the south side of the arch at the northeast corner of the Forum are two niches. It is highly probable that statues of the two oldest sons of Germanicus, Nero and Drusus, were placed in them; a fragment of an inscription referring to the former was found near by. These became presumptive heirs to the throne after the death of Tiberius's son Drusus, in 23 A.D.; but both afterwards fell victims to the morbid suspicions of the emperor and the plots of Sejanus, Nero in 29 A.D., Drusus four years later. On the top of the arch an equestrian statue of Tiberius probably stood. That such a statue was placed here seems clear from analogy. North of this arch was another, almost in line with it, at the end of Mercury Street where it opens into Nola Street; and here the excavators found fragments of a bronze equestrian statue which were put together and set up in the Naples Museum. Whether this statue represented Caligula or Nero has been a matter of dispute, but the former is really excluded from consideration by the short, heavy figure, which is better suited to Nero. There is no decided resemblance to Nero either; but it is quite possible that, although as crown prince he had been honored with a statue in the Forum, the Pompeians thought it best to erect for him as emperor a more imposing monument. Before leaving the area we may raise the question whether it contained a speakers' platform, like the Rostra in the Roman Forum. If we have reference to a special structure, probably not; no trace of a separate tribunal has been discovered. The orator who wished to address the people, however, could mount the broad platform in front of the temple of Jupiter, on which once an altar stood; before him the audience could gather in the open, on the only side of the Forum free from the colonnade. This place well suited the convenience of both speaker and hearers. It is possible that we should also identify as a tribune the platform in a recess at the southeast corner (p. 120).