The ruling dynasty had the name Kushan (Kushana), by which they are called on their coins and in the Persian sources.
It succumbed to the Indo-Scythian Empire of the Kushana, who had obtained the sovereignty of Bactria as early as about A.D.
This empire of the Kushana merits special mention here, on account of its peculiar religious attitude, which we may gather from the coins of its kings, particularly those of Kanishka and his successor Huvishka, on which an alphabet adapted from the Greek is employed (cf.
Simultaneously there arose in the East the powerful Indo-Scythian empire of the Kushana, which doubtless limited still further the Parthian possessions in eastern Iran.
Far to the east, on both sides of the Indus, the Kushana Empire was still in existence, though it was already hastening to decay, and about A.D.
450 raided Bactria and terlitesor minated the Kushana dominion (Procop. Pers.