97.

Philo of Larissa, founder of the fifth academy, i. 170.

Philo the Jew thinks he is inspired, i. 209.
Compares the mind to the eye, i. 234.

Philosopher's stone, i. 407.

Philosophers, persecution of, i. 311.
The revolt of, ii. 149.

Philosophical criticism, effect of, i. 46.
Schools, Indian, i. 65.

Philosophical principles, application of, i. 237.

Philosophy, peripatetic, i. 178.
Greek, end and summary of, i. 217.
Greek and Indian, the analogy between, i. 236.
Reappearance of, ii. 3.

Phlogiston, theory of, ii. 374.

Phocaeans built Marseilles, i. 46.

Phoenicians, enterprise of, i. 45.

Phosphorus discovered by Achild Bechil, i. 410.

Photius, his two works, ii. 59.

Photography, ii. 383.

Physical instruments, improvements in, ii. 384.

Physicians, classes of, i. 397.
Jewish, i. 400.
Oppose supernaturalism, ii. 113.
Are disliked by the Church, ii. 121.

Physics of Zeno, i. 183.

Physiology, its phases the same as those of physics, i. 5.
Of Plato, i. 156.
Of Aristotle, i. 180.

Piccolomini lays the foundation of general anatomy, ii. 285.

Pietro de Vinea undertakes to poison Frederick II., ii. 72.

Pinzons of Palos assist Columbus, ii. 161.

Pisa, Council of, deposes the rival Popes, ii. 97.
The first botanical gardens established at, ii. 390.

Plagues, mortality of ancient, i. 250.

Plants, effect of seasons on, i. 6.
Their dependence on the air, i. 102, ii. 339.

Plataea, fabulous number slain at battle of, i. 130.

Plater first classified diseases, ii. 285.

Plato, his profound knowledge of human nature, i. 53.
His doctrines, i. 152.

Platonism, Plutarch leans to, i. 210.
Reappearance of, in Europe, ii. 193.

Plays, miracle, moral, real, ii. 246.

Pleiades, a nickname given to seven Alexandrian poets, i. 201.

Plotinus, writings of, i. 212, 404.

Plutarch leans to platonizing Orientalism, i. 210.

Poggio Bracciolini quoted, ii. 101.

Polarization of light lends support to the undulatory theory, ii. 382.

Pole star, ii. 305.

Polycrates, Bishop of Ephesus, opposes Victor, Bishop of Rome, i. 291.

Polygamy, institution of, i. 331.
Secured the conquest of Africa, i. 334.
Its influence in consolidating the conquests of Mohammedanism, i. 338.

Polytheism, its antagonism to science, i. 49.
Slowness of its decline, i.