LESSON XV.—Canons of the Councils of Toledo and Saragossa, 336 to 339; laws of Ina, king of the West Saxons, and the judgments of Withred, 340 to 343. LESSON XVI.—The canons of Theodore, Archbishop of Canterbury, King Pepin, Council of Bavaria, Pope Adrian and Charlemagne, 343 to 349; canon of the Council of Frankfort, 349, 350. LESSON XVII.—Laws of Charlemagne on slavery, 350 to 353; canons of the Council of Aix-la-Chapelle, 353; capitulary of the Emperor Lotharius, 353 to 355. LESSON XVIII.—Unconnected facts bearing on ancient slavery; prostitutes made slaves; Sclavonian bondage; persecution of the Knights Templars, 355 to 360. LESSON XIX.—Derivation of the word _war_; Divine authority for wars, 361 to 365; the church claiming the right to declare offensive war under two circumstances, 365; bull of Pope Gregory XI. against the Florentines, 366, 367; Papal bulls against the Venitians and Henry VIII. of England, 367 to 369; the American colonies at New Haven decreeing the Indian tribes to slavery, 369, 370. LESSON XX.—Ancient piracy and pirates, 370, 371; rise of the Vandals, Goths, Huns, and Tartars, 372; the Northmen, 373 to 379. LESSON XXI.—Condition of slavery in Europe, 379 to 381. LESSON XXII.—Origin of the Sclavonians, 381; the descent of the Arabs and Moors, 383, 384. LESSON XXIII.—Africans generally slaves in their native country, 384; African slavery to the Shemitic races foretold by prophecy, 385, 386; sketch of the life, doctrines, and conquests of Mohammed and his successors, 386 to 390. LESSON XXIV.—Slavery introduced into the world as a mercy in favour of life, 390; duty and interest combine to incite the master to promote religion and good morals in the slave, 391; slavery commanded by reason and the laws of nature, 392. STUDY V. LESSON I.—Faith and observance of facts in the moral world the true modes of learning God’s will, 393. LESSON II.—The works of creation proofs of the Creator, 394 to 398. LESSON III.—The question of the admission of evil into the economy of God’s government on earth, and a denial that all men are born equals, 398, 399; the five races of the human family, and the moral necessity of command in some and subordination in others, 399 to 402. LESSON IV.—Intellect correspondent to organization, 403; inquiry into the nature of instinct by various philosophers, 403 to 405; inexorable inequality of human condition in this world and the next, 406 to 408. LESSON V.—The moral duty of loving our species defined, 409. LESSON VI.—Men not equal physically, religiously, mentally, morally, or politically, 410. LESSON VII.—Justice and the rules of Christianity identical and inseparable, 411, 412. LESSON VIII.-The golden rule considered in relation to slavery, 413 to 416.