Agrippa, flattered by the honors which he received from the inhabitants of Nismes, made his residence there : he enclosed the town with new walls, built baths, and probably the Aqueduct of the bridge of Gard ("pont du Gard") for bringing water to them.

This Aqueduct is nearly thirty miles in length, forming, in its course, the figure of a horse-shoe. It brought water from

the fountains of Eura and Airan, situated in the neighborhood of the town of Uzes. The bridge of Gard was about the middle part of the work, and the Aqueduct terminated at Nismes.

This Aqueduct traversed a very mountainous country, piercing through mountains and crossing valleys by means of arches upon arches, forming magnificent structures en- The Aqueduct or channel-way is formed tirely of cut stone.

of stone throughout the whole length. The bottom of the interior has a curved form, being an arc of a circle; the sides

are vertical, and the top covered with a flagging of cut stone, except where it is under ground, in which situation the top is covered by an arch of stone. The interior face of the walls and the bottom were covered with a coat of plastering two inches in thickness, composed of quick-lime, fine sand, and brick nearly pulverized. This coating has now a tenacity and consistence equal to the hardest stone.

The size of the channel-way is the following : 4 feet wide and 5i feet high, except where the top is covered with an