Octavian, 246. Odysseus, 10, 12, 13, 16, 18, 21, 24, 26, 104. Odyssey: translated by Livius Andronicus, 233. Oedipus, 97, 103, 105, 106, 107. Old Testament, 216, 217, 258, 303, 351, 356 f. Olympian religion, 25 ff., 110 ff. Onomacritus, 53. Orestes, 96 ff. Orgiastic cults: not mentioned in Homer, 18. Oriental influence on Greek thought, 257 f. Oriental religions, 257 ff.: character, 266 ff.: chronology, 265 f.: common elements, 289 f.: decay, 265, 357; distribution, 260, 264 f.; effect on devotees, 293 f.; morality, 268, 291 ff.; mysteries, 268, 271; opponents of Christianity, 326; pantheistic tendencies, 268 ff.; revival at Rome, 266. Origen, 207, 214, 341 ff.; on angels, men, and demons, 345; Christ, 344; creation, 343 f.; esoteric and exoteric Christianity, 347 f.; the founder of Christian philosophy, 342 ff., 348; on freedom, 346; Holy Spirit, 345; incarnation, 344, 347; Logos, 344 f., 347; nature of God, 343; psychology, 346; revelation, 343, 344, 347; salvation, 346 f., 348 f.; ultimate destruction of wickedness, 346. _C. Cels._, I, 1.7: 354; I, 31: 347; II, 66.69: 347; III, 59-62, 347; IV, 15.18: 347; IV, 65: 345; VI, 68: 347; VII, 17: 347; _Exhort. ad Mart._, 347; _in Ioh._, I, 20-22: 347; _in Matt._, ser. 69: 346; _de Prin._, praef., I: 343; I, 1.2: 344; I, 3.5.8: 345; I, 5, 3: 346; II, 5.6: 344; II, 7: 345; II, 8: 346; III, 1. 4. 6: 346; III, 5: 344; IV, 11 ff.: 351; _in Rom._, IV, 5; IX, 3: 346. Ormuzd, 278, 283. Oromasdes, 278. Orpheus, 52. Orpheus of Croton, 53. _Orphica_: _Frgg._, 7: 54; 14: 55; 46: 54; 115: 55; 117: 57; 154: 56; 223: 57; _Tab. Orph._ 18: 58. Orphism, 52 ff., 93, 118, 145, 208, 257, 351; ascetic tendency, 59; contributions to Greek religious ideas, 59; rule of life, 56; theogonies, 54. Osiris, 51, 267, 271 f., 286, 357.