[512] Cic. de Nat. Deorum, ii. 8.

[513] Cic. Harusp. resp. 19.

[514] Livy xliv. 1. 11; Sallust, l.c.; Gellius, Noct. Att. ii. 28. 2.

[515] Polyb. vi. 56.

[516] Posidonius ap. Athenaeum vi. 274 A; Dion. Hal. ii. 27. 3.

[517] Gell. ii. 28.

[518] Marquardt, iii. 126.

[519] Cato, R.R. 142.

[520] Calpurnius, Eclogue, v. 24. I have described a similar scene in the Alps in A Year with the Birds, ed. 2, p. 126.

[521] Petronius, Sat. 117: "His ita ordinatis, quod bene feliciterque eveniret precati deos, viam ingredimur." I owe this reference, as others in this context, to Appel's treatise de Romanorum precationibus, p. 56 foll.