the Antigonid dynasty in Macedonia, until the conquest of that country by the Romans. — Spirit of the Greeks broken — isolation of the cities from each other by Antigonus. — The Greece of Polybius cannot form a subject of history by itself, but only as an appendage to foreign neighbors. — Evidence of the political nullity of Athens — public decree in honor of Demochares — what acts are recorded as his titles to public gratitude. 331-393 CHAPTER XCVII. SICILIAN AND ITALIAN GREEKS — AGATHOKLES. Constitution established by Timoleon at Syracuse — afterwards exchanged for an oligarchy. — Italian Greeks — pressed upon by enemies from the interior — Archidamus king of Sparta slain in Italy. — Growth of the Molossian kingdom of Epirus, through Macedonian aid — Alexander the Molossian king brother of Olympias. — The Molossian Alexander crosses into Italy to assist the Tarentines. His exploits and death. — Assistance sent by the Syracusans to Kroton — first rise of Agathokles. — Agathokles distinguishes himself in the Syracusan expedition — he is disappointed of honors — becomes discontented and leaves Syracuse. — He levies a mercenary force — his exploits as general in Italy and Sicily. — Change of government at Syracuse — Agathokles is recalled — his exploits against the exiles — his dangerous character at home. — Farther internal changes at Syracuse — recall of the exiles — Agathokles readmitted — swears amnesty and fidelity. — Agathokles, in collusion with Hamilkar, arms his partisans at Syracuse, and perpetuates a sanguinary massacre of the citizens. — Agathokles is constituted sole despot of Syracuse. — His popular manners, military energy, and conquests. Progress of Agathokles in conquering Sicily. The Agrigentines take alarm and organize a defensive alliance against him. — They invite the Spartan Akrotatus to command — his bad conduct and failure. — Sicily the only place in which a glorious Hellenic career was open. Peace concluded by Agathokles with the Agrigentines — his great power in Sicily. — He is repulsed from Agrigentum — the Carthaginians send an armament to Sicily against him. — Position of the Carthaginians between Gela and Agrigentum — their army reinforced from home. — Operations of Agathokles against them — his massacre of citizens at Gela. — Battle of the Himera, between Agathokles and the Carthaginians. — Total defeat of Agathokles by the Carthaginians. — The Carthaginians recover a large part of Sicily from Agathokles. His depressed condition at Syracuse. — He conceives the plan of attacking the Carthaginians in Africa. — His energy and sagacity in organizing this expedition. His renewed massacre and spoliation. — He gets out of the harbor, in spite of the blockading fleet. Eclipse of the sun. He reaches Africa safely. — He burns his vessels — impressive ceremony