tinguished, it is said, as he might well be, both as a poet and a
philosopher; tradition represents him as in perpetual terror of his life,
and taking every precaution to guard it from attack.

DIONYSIUS THE YOUNGER, tyrant of Syracuse, son of the preceding,
succeeded him in 367 B.C. at the age of thirty; had never taken part in
public affairs; was given over to vicious indulgences, and proved
incapable of amendment, though DION (q. v.) tried hard to reform
him; was unpopular with the citizens, who with the help of Dion, whom he
had banished, drove him from the throne; returning after 10 years, was
once more expelled by Timoleon; betook himself to Corinth, where he
associated himself with low people, and supported himself by keeping a
school.

DIONYSIUS OF ALEXANDRIA, patriarch from 348, a disciple of Origen,
and his most illustrious pupil; a firm but judicious defender of the
faith against the heretics of the time, in particular the Sabellians and
the Chiliasts; _d_. 264.

DIONYSIUS, ST., THE AREOPAGITE (i. e. judge of the Areopagus),
according to Acts xvii. 34, a convert of St. Paul's; became bishop of
Athens, and died a martyr in 95; was long regarded as the father of
mysticism in the Christian Church, on the false assumption that he was
the author of writings of a much later date imbued with a pantheistic
idea of God and the universe.

DIONYSIUS OF HALICARNASSUS, a Greek historian and rhetorician of the
age of Augustus; came to Italy in 29 B.C., and spent 27 years in Rome,
where he died; devoted himself to the study of the Roman republic, its
history and its people, and recorded the result in his "Archaeologia,"
written in Greek, which brings down the narrative to 264 B.C.; it
consisted of 20 books, of which only 9 have come down to us entire; he is
the author of works in criticism of the orators, poets, and historians of
Greece.

DIONYSIUS PERIEGETES, a Greek geographer who lived about the 4th
century, and wrote a description of the whole earth in hexameters and in
a terse and elegant style.

DIONYSUS, the god of the vine or wine; the son of ZEUS AND
SEMELE (q. v.), the "twice born," as plucked first from the womb of
his dead mother and afterwards brought forth from the thigh of Zeus,
which served to him as his "incubator." See BACCHUS.

DIOPHANTUS, a Greek mathematician, born in Alexandria; lived
presumably about the 4th century; left works in which algebraic methods
are employed, and is the