The religious structures of both Greeks and Romans conform to the typical patterns of divinity and belief found among the Indo-European peoples. Most notable of these is an organized pantheon of deities related by birth or marriage and presided over by a god of the sky who is both ruler and father (e.g., Zeus Pater and Jupiter). Nevertheless, although it is clear that such gods accompanied the movement of the Indo-Europeans into Greece and Italy, it is impossible to state with certainty what iconographic representation, if any, was used to worship them during this earliest period. The attempt to discern early iconographic patterns is further hampered by the fact that both peoples were invaders whose later religious outlook was influenced by older, settled cultures. When the Greeks arrived at the beginning of the second millennium BCE, they found not only an indigenous population on the...