Sensuality, why the Mohammedans people Paradise with images of, i. 108. Why some pagans deified it, 108. Fallacy of judging the sensuality of a nation by the statistics of its illegitimate births, 144. Influence of climate upon public morals, 144. Of large towns, 145. And of early marriages, 146. Absence of moral scandals among the Irish priesthood, 146, 147. Speech of Archytas of Tarentum on the evils of, 200, _note_. Increase of sensuality in Rome, 263. Abated by Christianity, ii. 153. The doctrine of the Fathers respecting concupiscence, 281. Serapion, the anthropomorphite, i. 52. Number of his monks, ii. 105. His interview with the courtesan, 320 Sertorius, his forgery of auspicious omens, i. 166. Severus, Alexander, refuses the language of adulation, i. 259. His efforts to restore agricultural pursuits, 267. Murder of, 444. His leniency towards Christianity, 444. His benevolence, ii. 77 Severus, Cassius, exile of, i. 448, _note_ Severus, Septimus, his treatment of the Christians, i. 443 Sextius, his practice of self-examination, i. 248 Shaftesbury, maintains the reality of the existence of benevolence in our nature, i. 20. On virtue, 76, 77 Sibylline books, forged by the early Christians, i. 376, 377 Silius Italicus, his lines commemorating the passion of the Spanish Celts for suicide, i. 207, _note_. His self-destruction, 221 Silvia, her filthiness, ii. 110 Simeon, Bishop of Jerusalem, his martyrdom, i. 438 Simeon Stylites, St., his penance, ii. 111. His inhumanity to his parents, ii. 130 Sin, the theological doctrine on the subject, i. 111, 112. Conception of sin by the ancients, 195. Original, taught by the Catholic Church, 209, 210. Examination of the Utilitarian doctrine of the remote consequences of secret sins, 43, 44 Sisoes, the abbot, stories of, ii. 126, 127 Sixtus, Bishop of Rome, his martyrdom, i. 455 Sixtus V., Pope, his efforts to suppress mendicancy, ii. 97 Slavery, circumstances under which it has been justified, i. 101. Origin of the word servus, 102, _note_. Crusade of England against, 153. Character of that of the Romans, 235. Moral consequence of slavery, 262. Three stages of slavery at Rome, 300. Review of the condition of slaves, 300-306. Opinion of philosophers as to slavery, 306. Laws enacted in favour of slaves, 306. Effects of Christianity upon the institution of slavery, ii. 61. Consecration of the servile virtue, 68. Impulse given to manumission, 70. Serfdom in Europe, 70, 71, _note_. Extinction of slavery in Europe, 71. Ransom of captives, 72 Smith, Adam, his theory of pity, quoted, i. 10, _note_. His recognition of the reality of benevolence in our nature, 20. His analysis of moral judgment, 76 Smyrna, persecution of the Christians at, i. 441 Socrates, his view of death, i. 205. His closing hours, 207. His advice to a courtesan, ii. 296