Piræus, or Pyræeus, a celebrated harbour at Athens, at the mouth of the Cephisus, about three miles distant from the city. It was joined to the town by two walls, in circumference seven miles and a half, and 60 feet high, which Themistocles wished to raise in a double proportion. One of these was built by Pericles, and the other by Themistocles. The towers which were raised on the walls to serve as a defence, were turned into dwelling-houses, as the population of Athens gradually increased. It was the most capacious of all the harbours of the Athenians, and was naturally divided into three large basins called Cantharos, Aphrodisium, and Zea, improved by the labours of Themistocles, and made sufficiently commodious for the reception of a fleet of 400 ships, in the greatest security. The walls which joined it to Athens, with all the fortifications, were totally demolished when Lysander put an end to the Peloponnesian war by the reduction of Attica. Pausanias, bk. 1, ch. 1.—Strabo, bk. 9.—Cornelius Nepos, Themistocles.—Florus, bk. 3, ch. 5.—Justin, bk. 5, ch. 8.—Ovid, Metamorphoses, bk. 6, li. 446.

Piranthus, a son of Argus and Evadne, brother to Jasus, Epidaurus, and Perasus. Pausanias, bk. 2, chs. 16 & 17.—Apollodorus, bk. 2.

Pirēne, a daughter of Danaus.——A daughter of Œbalus, or, according to others, of the Achelous. She had by Neptune two sons, called Leches and Cenchrius, who gave their names to two of the harbours of Corinth. Pirene was so disconsolate at the death of her son Cenchrius, who had been killed by Diana, that she pined away, and was dissolved, by her continual weeping, into a fountain of the same name, which was still seen at Corinth in the age of Pausanias. The fountain Pirene was sacred to the Muses, and, according to some, the horse Pegasus was then drinking some of its waters, when Bellerophon took it to go and conquer the Chimæra. Pausanias, bk. 2, ch. 3.—Ovid, Metamorphoses, bk. 2, li. 240.

Pirĭthous, a son of Ixion and the cloud, or, according to others, of Dia the daughter of Deioneus. Some make him son of Dia by Jupiter, who assumed the shape of a horse whenever he paid his addresses to his mistress. He was king of the Lapithæ, and, as an ambitious prince, he wished to become acquainted with Theseus, king of Athens, of whose fame and exploits he had heard so many reports. To see him, and at the same time to be a witness of his valour, he resolved to invade his territories with an army. Theseus immediately met him on the borders of Attica, but at the sight of one another the two enemies did not begin the engagement, but, struck with the appearance of each other, they stepped between the hostile armies. Their meeting was like that of the most cordial friends, and Pirithous, by giving Theseus his hand as a pledge of his sincerity, promised to repair all the damages which his hostilities in Attica might have occasioned. From that time, therefore, the two monarchs became the most intimate and the most attached of friends, so much, that their friendship, like that of Orestes and Pylades, is become proverbial. Pirithous some time after married Hippodamia, and invited not only the heroes of his age, but also the gods themselves, and his neighbours the Centaurs, to celebrate his nuptials. Mars was the only one of the gods who was not invited, and to punish this neglect, the god of war was determined to raise a quarrel among the guests, and to disturb the festivity of the entertainment. Eurythion, captivated with the beauty of Hippodamia, and intoxicated with wine, attempted to offer violence to the bride, but he was prevented by Theseus, and immediately killed. This irritated the rest of the Centaurs; the contest became general, but the valour of Theseus, Pirithous, Hercules, and the rest of the Lapithæ, triumphed over their enemies. Many of the Centaurs were slain, and the rest saved their lives by flight. See: [Lapithus]. The death of Hippodamia left Pirithous very disconsolate, and he resolved with his friend Theseus, who had likewise lost his wife, never to marry again, except to a goddess, or one of the daughters of the gods. This determination occasioned the rape of Helen by the two friends; the lot was drawn, and it fell to the share of Theseus to have the beautiful prize. Pirithous upon this undertook with his friend to carry away Proserpine and to marry her. They descended into the infernal regions, but Pluto, who was apprised of their machinations to disturb his conjugal peace, stopped the two friends and confined them there. Pirithous was tied to his father’s wheel, or, according to Hyginus, he was delivered to the furies to be continually tormented. His punishment, however, was short, and when Hercules visited the kingdom of Pluto, he obtained from Proserpine the pardon of Pirithous, and brought him back to his kingdom safe and unhurt. Some suppose that he was torn to pieces by the dog Cerberus. See: [Theseus]. Ovid, Metamorphoses, bk. 12, fable 4 & 5.—Hesiod, Shield of Heracles.—Homer, Iliad, bk. 2.—Pausanias, bk. 5, ch. 10.—Apollodorus, bk. 1, ch. 8; bk. 2, ch. 5.—Hyginus, fables 14, 79, 155.—Diodorus, bk. 4.—Plutarch, Theseus.—Horace, bk. 4, ode 7.—Virgil, Æneid, bk. 7, li. 304.—Martial, bk. 7, ltr. 23.

Pirus, a captain of the Thracians during the Trojan war, killed by Thoas king of Ætolia. Homer, Iliad, bk. 4.

Pirustæ, a people of Illyricum. Livy, bk. 45, ch. 26.

Pisa, a town of Elis, on the Alpheus at the west of the Peloponnesus, founded by Pisus the son of Perieres, and grandson of Æolus. Its inhabitants accompanied Nestor to the Trojan war, and they enjoyed long the privilege of presiding at the Olympic games, which were celebrated near their city. This honourable appointment was envied by the people of Elis, who made war against the Piseans, and after many bloody battles took their city and totally demolished it. It was at Pisa that Œnomaus murdered the suitors of his daughter, and that he himself was conquered by Pelops. The inhabitants were called Pisæi. Some have doubted the existence of such a place as Pisa; but this doubt originates from Pisa’s having been destroyed in so remote an age. The horses of Pisa were famous. The year on which the Olympic games were celebrated, was often called Pisæus annus, and the victory which was obtained there was called Pisææ ramus olivæ. See: [Olympia]. Strabo, bk. 8.—Ovid, Tristia, bk. 2, li. 386; bk. 4, poem 10, li. 95.—Mela, bk. 2.—Virgil, Georgics, bk. 3, li. 180.—Statius, Thebaid, bk. 7, li. 417.—Pausanias, bk. 6, ch. 22.

Pisæ, a town of Etruria, built by a colony from Pisa in the Peloponnesus. The inhabitants were called Pisani. Dionysius of Halicarnassus affirms that it existed before the Trojan war, but others support that it was built by a colony of Pisæans, who were shipwrecked on the coast of Etruria at their return from the Trojan war. Pisæ was once a very powerful and flourishing city, which conquered the Baleares, together with Sardinia and Corsica. The sea on the neighbouring coast was called the bay of Pisæ. Virgil, Æneid, bk. 10, li. 179.—Strabo, bk. 5.—Lucan, bk. 2, li. 401.—Livy, bk. 39, ch. 2; bk. 45, ch. 13.—Pliny, bk. 2, ch. 103.

Pisæus, a surname of Jupiter at Pisa.

Pisander, a son of Bellerophon, killed by the Solymi.——A Trojan chief, killed by Menelaus. Homer, Iliad, bk. 13, li. 601.——One of Penelope’s suitors, son of Polyctor. Ovid, Heroides, poem 1.——A son of Antimachus, killed by Agamemnon during the Trojan war. He had had recourse to entreaties and promises, but in vain, as the Grecian wished to resent the advice of Antimachus, who opposed the restoration of Helen. Homer, Iliad, bk. 11, li. 123.——An admiral of the Spartan fleet during the Peloponnesian war. He abolished the democracy at Athens, and established the aristocratical government of the 400 tyrants. He was killed in a naval battle by Conon the Athenian general near Cnidus, in which the Spartans lost 50 galleys, B.C. 394. Diodorus.——A poet of Rhodes, who composed a poem called Heraclea, in which he gave an account of all the labours and all the exploits of Hercules. He was the first who ever represented his hero armed with a club. Pausanias, bk. 8, ch. 22.