[17]This is the title by which the _princeps_ was usually known in the Empire; see _e.g._ Matt. xxii. 17 foll., or Acts xxv. 10 foll. [18]By Hastings Crossley: Macmillan & Co. [19]Bryce, _Holy Roman Empire_. [20]This is Mommsen’s definition of Law. INDEX A Actium, battle of, 187 Agrippa, M. Vipsanius, 201 Alps, the, 98, 148, 171 Antoninus Pius, 243 foll. Antony, Mark, 187 Apennines, the, 20 Armenia, 165, 234 Army, the Roman, 70 foll., 130, 207, 217 Augustus, 188, 192, 199 foll., 210 Auspices, 67 B Brindisi, 49, 175 Britain, 170, 219 foll., 239 foll. Byzantium, 249 C Cæsar, Julius, 11, 168 foll., 173 foll. Cæsar in Shakespeare, 179 Campania, 20, 41, 102, 104 Cannæ, battle of, 102 Carthage, 38, 86 foll., 212 Cato the Elder, 12 foll., 15, 18, 61, 63, 120, 126 Cato the younger, 173 Catullus, poet, 182 Caudine Forks, 44 Censors, 81 foll. Census under Empire, 202 Cicero, M. Tullius, 183 foll. Citizenship, 132 foll., 152, 178 Colonies, 40, 48, 101 Commercium, 32, 39 Consuls, 30, 45, 73 foll. Corfinium, 153 D Dictator, 75 E Education, 61, 120, 235 Etruscans, 21 foll., 24 foll. F Familia, 57 foll. Flaminius, C., 99 foll. Fregellæ, 49 Frontiers, 166, 171, 200, 204 foll., 233 foll., 239 G Gauls, 35, 86, 96 foll., 99, 168 foll. Gilds under Empire, 223 foll. Gracchus, Gaius, 141 foll. Gracchus, Tiberius, 137 foll. H Hadrian, Emperor, 237 foll. Hamilcar Barca, 93 foll. Hannibal, 94 foll., 113 Hasdrubal, 106 I Imperium, 66 foll., 73 foll., 128, 207 Inscriptions, 220 J Jupiter, 28 foll. L Latins, 23, 31, 33 foll., 36, 38 foll., 134 Law, Roman, 31, 78, 158, 242, 250 Livy, historian, 38, 210 Lucretius, poet, 10, 180 Lucullus, L., 164 Lugdunum (Lyons), 204 M Marcus Aurelius, 245 foll. Marius, 147, 149 foll. Massilia, 115 Messana, 89 Metaurus, battle of, 107 Mithradates, 162 foll. N Nismes, 218, 227, 243 Nobilitas, 80 P Paterfamilias, 58 foll. Patricians and plebeians, 77 Paul, St., 216, 230 Pharsalia, battle of, 175 Philip of Macedon, 101, 113 foll. Pliny the younger, 236 Pompeius, Gn., 165 foll. Pontifices, 68 Princeps, 197, 206 Provinces, 118, 203, 213, 217 foll. Pyrrhus, 50 foll. R Regulus, 92 Respublica, 72, 197