Nar

, now Nera , a river of Umbria, whose waters, famous for their sulphureous properties, pa through the lake Velinus, and i uing from thence with great rapidity, fall into the Tiber. Ovid , Metamorphoses , bk. 14 , li. 330 .— Virgil , Æneid , bk. 7 , li. 517 .— Cicero , Letters to Atticus , bk. 4 , ltr. 15 .— Tacitus , Annals , bk. 1 , ch. 79 ; bk. 3 , ch. 9 .