[88] “... ad milliarium ab urbe duo-decimum via Latina, _diverticulo_ euntibus ab Roma dextrorsus millium passuum duum alterius aquæ proprias vires collegit et Tepulæ rivum intercepit. Acquisitæ aquæ ab inventore nomen Juliæ datum est, ita tamen divisa erogatione, ut maneret Tepulæ appellatio.”—(Frontinus, c. 9.) [89] “Præter caput Juliæ transfluit aqua quæ vocatur Crabra. Hanc Agrippa omisit.”—(Frontinus, c. 9.) [90] Pag. clxxxii. 8, “In tubulo plumbeo reperto ad portam S. Laurentii,”— P. CORNELIO . DOLABELLA . C . IVN . SILANO . COS—AQVA . MAR [91] Gruter, pag. clxxxiii. 4,— Q. AQVILLIO . SABINO . II. SEX . AVR . ANVLLINO CASTR . PRÆT . L. VRBIS . OFF . PED . COS . CCCLXXXIII. AQVA . MARC [92] HAC RIVI AQVAR TRIVM EVNT CIPPI POSITI IVSSV A. DIDI. GALLI T. RVBRI. NEPOTIS M. CORNELI FIRMI CVRATORVM AQVAR [93] Frontinus, c. 10. [94] “Concipitur Virgo via Collatia ad milliarium octavum palustribus locis, _signino circumjecto_ continendarum scaturiginum causâ.” _Signinum_ is the particular kind of cement to hold water, always used to line the walls of the Aqueducts. It was not used after the time of the Empire, and the art of making it is said to be lost. It is the usual characteristic of the remains of an aqueduct. [95] Frontinus, c. 10. [96] Ibid., c. 22. [97] This water is now usually called Acqua di Trevi, because its terminus is at the great fountain of Trevi. The sources are in the estate of Salone, as above described. It is still in use, and was long considered as the best water brought into Rome. The line now used is the one repaired and restored by the Popes; but, near Rome, it has been altered, probably after it had been damaged by the Goths or the Lombards. The old _specus_ passed through the Catacomb of S. Priscilla, in the Via Salaria, where it may be seen. This is demonstrated by the _cippus_ of the aqueduct of Virgo, discovered in the Via Salaria, and so recorded by Muratori, Thes. Vet. Inscr., ccccxlii. 7, “Romæ in Via Salaria:”— VIRG. TI . CÆSAR . AVG. PONTIF . MAXIM. TRIB. POT. XXXVIII. COS . V̅. IMP. V̅I̅I̅I̅. I. P. CXL. This inscription is A.D. 36.