* The drink mentioned by the author of the _De Iside_, which
was extracted from the plant Omômi, and which the Magi
offered to the god of the underworld, is certainly the
haoma. The rite mentioned by the Greek author, which appears
to be an incantation against Ahriman, required, it seems, a
potion in which the blood of a wolf was a necessary
ingredient: this questionable draught was then carried to a
place where the sun's rays never shone, and was there
sprinkled on the ground as a libation.

** Menander speaks of this festival as conducted in his own
times, and tells us that it was called Eurdigan; modern
authorities usually admit that it goes back to the times of
the Achæmenids or even beyond.

*** Agathias says that every worshipper of Ahura-mazdâ is
enjoined to kill the greatest possible number of animals
created by Angrô-mainyus, and bring to the Magi the fruits
of his hunting. Herodotus had already spoken of this
destruction of life as one of the duties incumbent on every
Persian, and this gives probability to the view of modern
writers that the festival went back to the Achæmenian epoch.

**** The festival of the Sakoa is mentioned by Ctesias. It
was also a Babylonian festival, and most modern authorities
conclude from this double use of the name that the festival
was borrowed from the Babylonians by the Persians, but this
point is not so certain as it is made out to be, and at any
rate the borrowing must have taken place very early, for the