=Clytemnes´tra.= A daughter of Tyndarus, king of Sparta, and Leda, married Agamemnon, king of Argos, in whose absence in the Trojan war she misconducted herself with his cousin Ægysthus. On the return of Agamemnon Clytemnestra murdered him, as well as Cassandra, whom he had brought with him. After this Clytemnestra ascended the throne of Argos. In the meantime her son Orestes, after an absence of seven years, returned, resolved to avenge the death of his father Agamemnon. On an occasion when Ægysthus and Clytemnestra repaired to the Temple of Apollo, Orestes, with his friend Pylades, killed them. =Clyt´ia= or =Clyt´ie=. A daughter of Oceanus and Tethys, beloved by Apollo. She was changed into a sun-flower. =Co´cles, P. Horatius.= A celebrated Roman who alone opposed the whole army of Porsenna at the head of a bridge whilst his companions were cutting off the communication with the other shore. When the bridge was destroyed, Cocles, though wounded by the darts of the enemy, leapt into the Tiber and swam across it, armed as he was. For his heroism a brazen statue was raised to him in the Temple of Vulcan. =Co´drus.= The last king of Athens, son of Melanthus. When the Heraclidæ made war against Athens, the oracle said that the victory would be granted to that nation whose king was killed in battle. The Heraclidæ on hearing this gave orders to spare the life of Codrus, but the patriotic king disguised himself, and engaging with one of the enemy, was killed. The Athenians obtained the victory, and Codrus was regarded as the savior of his country. =Coe´lus= or =Ura´nus=. An ancient deity supposed to be the father of Saturn, Oceanus, and Hyperion. =Col´chis= or =Col´chos=. A country of Asia famous for the expedition of the Argonauts, and as being the birthplace of Medea. =Collati´nus, L. Tarquinius.= A nephew of Tarquin the Proud. He married Lucretia. He, with Brutus, drove the Tarquins from Rome. =Colos´sus.= A celebrated brazen image at Rhodes, which was considered to be one of the seven wonders of the world. =Com´modus, L. Aure´lius Antoni´nus=, son of M. Antoninus, succeeded his father in the Roman empire. He was naturally cruel and fond of indulging his licentious propensities. Desirous of being likened to Hercules, he adorned his shoulders with a lion's skin, and carried a knotted club in his hand. He fought with the gladiators, and boasted of his skill in killing wild beasts in the amphitheatre. He was strangled by a wrestler in the thirty-first year of his age, A.D. 192. =Co´mus.= The god of revelry, feasting, and nocturnal amusements. He is represented as a drunken young man with a torch in his hand. =Concor´dia.= The goddess of peace and concord at Rome, to whom Camillus raised a temple in the Capitol. =Confu´cius.= A Chinese philosopher, as much honored amongst his countrymen as if he had been a monarch. He died about 499 years B.C.