Aqueducts, of which three were constructed under the reigns of Augustus, of Tiberius and of Claudius, for conducting water to that part of the ancient city situated upon the mountain.

The first and the most ancient of these Aqueducts, constructed by Mark Anthony, brought the waters from Mountd' Or, by means of two branches which embraced that group

of mountains.

The water furnished by the first Aqueduct having been found insufficient, they constructed a second one to bring the water of the Loire.

The third Aqueduct was built by the Emperor Claudius to furnish water to the palace of the emperors situated

upon an elevated mountain. The Aqueducts built at this era are all of the same construction that is to say, from ;

the plan and construction adopted by the Romans. A fourth Aqueduct was also constructed for this city, but there is

some doubt whether it was built by the Romans.

Aqueduct of Mount Pila.

This Aqueduct was built by Claudius, who was born at Lyons, to conduct water to the emperor's palace, situated on the highest part of the city.The sources which supplied it, were in the neighbourhood of Mount Pila, and they were

brought into the main Aqueduct by branch aqueducts. The main Aqueduct was forty miles in length ; and adding the branches, the length of the Aqueduct was forty-five miles.

There were 13 bridges of stone to support the Aqueduct across valleys or over rivers, two of which were not built up to the plane of the Aqueduct, but were crossed by leaden