LESSON IV.—Liberty of less value than life, 270; the Divine grant to hold slaves, 271. LESSON V.—Early church acts and documents approving and providing for slavery, 272; the canons and the constitutions of the apostles, 272 to 274; constitution of Antoninus Pius respecting cruelty to slaves, 275; canons of the Council of Nice and the first appearance of abolitionism in the world, 276, 277; St. Basil’s canonical writings, 278. LESSON VI.—The invasion of Attila and the Pontiff Leo’s successful intercession, 279, 280; Nero’s African slaves, and the white slaves of the Roman Empire, 281. LESSON VII.—Church rescripts for the freedom of slaves, and St. Augustin’s mode of manumission in Africa, 282, 283; Pope Leo’s letters, forbidding slaves to enter the priesthood, and protecting the rights of masters, 284, 285; barbarian cruelty to slaves ameliorated by Christianity, 286, 287; canons of the Council of Agdle on slavery, 288; modes of becoming slaves, 289, 290. LESSON VIII.—Muratori on the manumission of slaves in Rome, 291; colonial and conditional slaves, 292; arming of slaves in defence of Rome and the glutting of the slave-markets of the world, 293; canons of the Fourth Council of Orleans, 294, 295; ditto Fifth Council of Orleans, 296 to 299. LESSON IX.—Bishop England’s account of slavery in England and Ireland in remote ages, 299, 300; Pope Pelagius and the canons of the Third Councils of Paris and Braga, 301, 302; articles of the Third Council of Toledo, 302, 303. LESSON X.—The venerable Bede’s account of the slave-trade of England, A.D. 577, 304 to 306; Pope Gregory’s purchase of British youth, 306, 307; Gregory’s pastoral admonitions and epistles, 308 to 311. LESSON XI.—Constantine’s edict that none but Christians could hold slaves, 212, 213; Gregory’s letter to the Præfect of Sicily, 313 to 315; canons of the Fourth Councils of Orleans and Macon, 315, 316; Gregory to the Bishop of Luna, and the laws of the empire on slavery, 317, 318. LESSON XII.—Gregory to the Bishop of Naples, 319, 320; the same to the Bishop of Catania, 321. LESSON XIII.—Justinian’s law to protect debtors against slavery, 323; Gregory’s letters about a Syrian deeply in debt, 322; his letter of emancipation to Montana and Thomas, 324, 325; Justinian’s law of marriage between slaves and persons on different estates, 327, 328; Gregory’s letter on the same subject, 329; his letter to the Bishop of Syracuse on the same, 330, 331. LESSON XIV.—Gregory’s deed of gift conveying the slave boy Acorimus to Theodore the counsellor, 331, 332; his letter about a slave to the Proctor Bonitus, 333: his document to reclaim runaway slaves, 333, 334; his various letters concerning slaves and the purchase of Barbary slaves, 334 to 336.