104 .-- (The reader will find in these two excellent works the texts and monuments indicated to which it is necessary to resort for a direct and satisfactory impression.)] [Footnote 2331: See in Plutarch (Principles of Political Government) the situation of a Greek city under the Antonines.] [Footnote 2332: Gibbon, ch.

10 .-- Duruy, ch.95.

(Decrease of the population of Alexandria under Gallien, according to the registers of the alimentary institution, letter of the bishop Dionysius.)] [Footnote 2333: "Digest," I., 4, I.: "Quod principi placuit legis habet vigorem, utpote, cum lege regia, quae de imperio ejus lata est, populus ei et in eum omne suum imperium et potestatem conferat.

Quodcumque igitur imperator per epistolam et subscriptionem statuit, vel cognoscens decrevit, vel de plano interlocutus est, vel edicto praecepit, legis habet vigorem." (Extracts from Ulpian.)--Gaius, Institutes, I., 5: "Quod imperator constituit, non dubium est quin id vicem legis obtineat, quum ipse imperator per legem imperium obtineat."] [Footnote 2334: "Digest," I, 2.

(Extracts from Ulpian): "Jus est a justitia appellatum; nam, ut eleganter Celsus definit, jus est ars boni et aequi.