iii. 145

Africa, condition of, in the desert of Sahara, i. 47, 48. Causes of its stationary condition, 49

Agassiz, his classification of fossil ichthyology, ii. 383, 384

Ages, the Dark, ii. 108. Supremacy of the clergy at this period, 108

Agricola, Roman invasion of Scotland under, iii. 7

Agriculture, system of, of the Arabs of Spain, ii. 497

Agriculturists, causes of the superstitions of, i. 376, 379

Air, Boyle's discovery of the law of the elasticity of the, i. 368. Marriott's confirmation of this law, 368 _note_

Albany, Regent of Scotland, his vigorous measures against the nobles, iii. 45. Leaves Scotland, 57

Alberoni, his services to Spain, ii. 519, 522, 523

Alexander IV., Pope, his the first formal call to the secular power to punish heretics, ii. 109 _note_

Alexandrian doctrine of development in religion, ii. 21 _note_

Alfred of Beverley, his abridgment of the history of Geoffrey of Monmouth, i. 324

Alfred, King, causes of our admiration of, ii. 249 _note_. The institutions popularly ascribed to him, 249 _note_

Alison, Sir A., his eulogy of William III., i. 403 _note_

Almansa, battle of, ii. 516

Alva, number of persons put to death by, in the Netherlands, ii. 451

Amazon river, extent of the, i. 97 _note_. Area drained by the, 97 _note_. Origin of the name, i. 299 _note_

Amazons, origin in the North of Europe of the fable of the nation of,