Aristides. Athenian statesman called 'the just.' Great rival of Themistocles. Died poor. Date of death, 468 B.C.

Aristippus. Philosopher of Cyrene, founder of the Cyrenaic school. See Cyrenaics. Disciple of Socrates. Spent some time at the court of Dionysius. Flourished 370 B.C.

Aristogīton (1). With Harmodius, slew Hipparchus, brother of the Athenian tyrant Hippias, 514 B.C. The tyranny fell shortly after, and the two friends had the credit of liberating Athens.

Aristogīton (2). Athenian orator and adversary of Demosthenes.

Aristophanes. Athenian writer of comedy, 444-380 B.C. Socrates is ridiculed in his Clouds.

Aristotle. Philosopher, 384-322 B.C. Founder of the Peripatetic school, which see. Taught Alexander of Macedon, and Demosthenes.

Armenia. The Parthian war waged by Lucius Verus, 162-165 A.D., was begun in consequence of a Roman legion's being cut to pieces in Armenia by Vologesus, king of Parthia.

Arrian. A Bithynian philosopher and historian, pupil of Epictetus. He was made a Roman citizen and attained the consulship. Wrote the Anabasis Alexandri, and the Discourses and Enchiridion of Epictetus.

Artemis. Daughter of Leto and sister of Apollo. Virgin, huntress. Under the name Ilithyia, presides over child-birth. Worshipped at Tauri in Scythia with human sacrifice.

Artemisium. The scene of Athenian naval victories before Salamis over the Persians.