See p. 367a.; and Thrige, Res Cyrenensiun, § 60. (Just. 26.3), to prevent the marriage of Berenice with Ptolemy, offered her, together with the kingdom, to De-metrius, brother of Antigonus Gonatas. On his arrival, however, at Cyrene, Arsinoe fell in love with him herself, and Berenice accordingly, whom he had slighted, caused him to be murdered in the very arms of her mother; she then went to Egypt, and became the wife of Ptolemy. When her son, Ptolemy IV. (Philopator), came to the throne, B. C. 221, he put her and his brother Magas to death, at the instigation of his prime minister Sosibius, and against the remonstrances of Cleomenes III. of Sparta.
The famous hair of Berenice, which she dedicated for her husband's safe return from his Syrian expedition [see No. 2] in the temple of Arsinoe at Zephyrium (*)Afrodi/th *Zefuri=tis), and which was said by the courtly Conon of Samos to have become a constellation, was celebrated by Callimachus in a poem, which, with the exception of a few