1.
6 foll.; the first letter written by Cicero after his return from exile.] [Footnote 63: See my _Roman Festivals_, pp.

85 and 204.] [Footnote 64: Pliny, _Nat.Hist_.xviii.

17.] [Footnote 65: Suet._Aug_.

42.] [Footnote 66: Frontinus i.4.The date of his work is towards the end of the first century A.D.] [Footnote 67: See Lanciani, _Ruins and Excavations_, p.

48; Mommsen, _Hist_.