Chap. IV.
ROMAN.
1 60
taken to provide means to'cleanse at proper times each division; these were sometimescalled conceptacula, and had considerable sums of money expended upon them. Sextus JuliusFrontinus, who flourished in the time of Vespasian, was of a patrician family; Tacitus mentions that he was pra?tor of Rome, A.n. 70 . We find that he held the office of consulthree times, and that during the expedition to Britain , he was the proconsul; he was appointedby Nero to superintend the Roman aqueducts, and during the period he filled that office,for the benefit of his successors, he compiled the work, “ De Aqu&ductibus Urbis Romas”which contains an account of the aqueducts built in his time, as well as the names of allthe waters brought to Rome , and by what consuls, from the foundation of the city; fromwhat places and the miles distant; what distance they ranunder ground, how much above over arches; their height,their breadth, their laying out, how much without, aswell as within the city; the quantity of water delivered toeach region by measure; the number of public reser-voirs, as w’ell as private; what was effected at the chargeof the public, and what of private individuals; thequantity brought from lakes; and also the penaltiesimposed on contumacious persons by decrees of thesenate, and by the commands of the emperor.
For 440 years after the foundation of the city, theRomans were content to use the water drawn from theTiber , or from wells and springs; many of the latter Fjg. 189. filter.were supposed to be under the protection of deities.
The Aqua Tepula was conducted to Rome 126 years before Christ, and took its sourceon the borders of the Latian Way, from some springs which communicated with the Anio ;its length was 2000 Roman paces.
The Aqua Julia was conducted to Rome in the days of Julius Ca?sar, by Agrippa ; aseparate canal being added for this purpose to those of Tepula and Marcia. Its length was
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Fig. 190.
AQl-A JULIA AND TErUI.A.