For this patron several of his treatises were written; and the commencement of his Canon of Medicine also dates from his stay in Hyrcania.
Tiridates, who was proclaimed king, could no longer maintain himself, because he appeared to be a vassal of the Romans; Artabanus returned from Hyrcania with a strong army of Scythian (Dahan) auxiliaries, and was again acknowledged by the Parthians.
In 209 Antiochus invaded Parthia, occupied the capital Hecatompylus and pushed forward into Hyrcania.
by the fertile plain of Hyrcania (about Astrabad) at the foot of the mountains in the corner of the Caspian and by the Turanian desert; on the S.
In 208 many Greek inhabitants are found in the towns of Parthia and Hyrcania (Polyb.