f Iran, whose temple was visited by the Sassanids on their accession to the throne. According to the Ardâ-Vîrâf the law was preserved at Istakhr, or Persepolis, according to the Shâh- Nâmak at Samarcand in the temple of the Fire-god.
Alexander is said to have burnt the former copy: the latter, stolen by the Greeks, is reported to have been translated into their language and to have furnished them with all their scientific knowledge. One of the Arsacids, Vologesus I., caused a search to be made for all the fragments which existed either in writing or in the memory of the faithful,* and this collection, added to in the reign of the Sassanid king, Ardashîr Bâbagan, by the high priest Tansar, and fixed in its present form under Sapor I., was recognised as the religious code of the empire in the time of Sapor II., about the fourth century of the Christian era.*** The text is composed, as may be seen, of three distinct strata, which are by no means equally ancient;**