... Ptolemy, who had been entrusted with the governorship of Cyrene by his mother Berenice—she had borne him to Philip, a Macedonians but of no note and of lowly origin—induced the people of Cyrene to revolt from Ptolemy and marched against Egypt. Ptolemy fortified the entrance into Egypt and awaited the attack of the Cyrenians. But while on the march Magas was in formed that the Marmaridae,a...