Dionysius in Ortygia.—Despair of Dionysius—he applies to a body of Campanians in the Carthaginian service, for aid.—He amuses the assailants with feigned submission—arrival of the Campanians—victory of Dionysius.—Dionysius strengthens his despotism more than before—assistance lent to him by the Spartan Aristus—Nikoteles the Corinthian is put to death.—He disarms the Syracusan citizens—strengthens the fortifications of Ortygia—augments his mercenary force.—Dionysius conquers Naxus, Katana, and Leontini.—Great power of Dionysius. Foundation of Alæsa by Archonides.—Resolution of Dionysius to make war upon Carthage.—Locality of Syracuse—danger to which the town had been exposed, in the Athenian siege.—Additional fortifications made by Dionysius along the northern ridge of the cliffs of Epipolæ, up the Euryalus.—Popularity of the work—efforts made by all the Syracusans as well as by Dionysius himself.—Preparations of Dionysius for aggressive war against the Carthaginians.—Improvement in the behavior of Dionysius towards the Syracusans.—His conciliatory offers to other Grecian cities in Sicily. Hostile sentiment of the Rhegines towards him. Their application to Messênê.—He makes peace with Messênê and Rhegium.—He desires to marry a Rhegine wife. His proposition is declined by the city. He is greatly incensed.—He makes a proposition to marry a wife from Lokri—his wish is granted—he marries a Lokrian maiden named Doris.—Immense warlike equipment of Dionysius at Syracuse—arms, engines, etc.—Naval preparations in the harbor of Syracuse. Enlargement of the bulk of ships of war—quadriremes and quinqueremes.—General sympathy of the Syracusans in his projects against Carthage.—He hires soldiers from all quarters.—He celebrates his nuptials with two wives on the same day—Doris and Aristomachê. Temporary good feeling at Syracuse towards him.—He convokes the Syracusan assembly, and exhorts them to war against Carthage.—He desires to arrest the emigration of those who were less afraid of the Carthaginian dominion than of his.—He grants permission to plunder the Carthaginian residents and ships at Syracuse. Alarm at Carthage—suffering in Africa from the pestilence.—Dionysius marches out from Syracuse with a prodigious army against the Carthaginians in Sicily.—Insurrection against Carthage, among the Sicilian Greeks subject to her. Terrible tortures inflicted on the Carthaginians.—Dionysius besieges the Carthaginian seaport Motyê.—Situation of Motyê—operations of the siege—vigorous defence.—Dionysius overruns the neighboring dependencies of Carthage—doubtful result of the siege of Motyê—appearance of Imilkon with a Carthaginian fleet—he is obliged to return.—Desperate defence of Motyê. It is at length taken by a nocturnal attack.—Plunder of Motyê—the inhabitants either slaughtered or sold for slaves.—Farther operations of