Philo Judaeus In Flaccum 78

[78] Now, though I desire to mention a circumstance which took place at that time, I am in doubt whether to do so or not, lest if it should be looked upon as unimportant, it may appear to take off from the enormity of these great iniquities; but even if it is unimportant in itself, it is nevertheless an indication of no trifling wickedness of disposition. There are different kinds of scourges used in the city, distinguished with reference to the deserts or crimes of those who are about to be scourged. Accordingly, it is usual for the Egyptians of the country themselves to be scourged with a different kind of scourge, and by a different class of executioners, but for the Alexandrians in the city to be scourged with rods by the Alexandrian lictors,