Note 59 — Chapter IV · PART I. THE AQUEDUCTS.

There are remains of more than one specus crossing the valley from the Cœlian to the Aventine upon the agger of Servius Tullius, and passing over the Porta Capena at the foot of the Cœlian. One of these was the Marcia, from the reservoir over the Arch of Dolabella, which is near the site of the Claudium and Temple of Claudius. There were great reservoirs for the aqueducts at this point on different levels; one of them underground is still in use, the remains of the others are among the most picturesque objects in Rome. This passage cannot apply to the temple of Hope, which is full a mile away from the Aventine.