to differ one from another in their attributes and personalities, they are in essence one and negligible in the eyes of the master of the ritual lore. In the beginning, say the Brāhmaṇas, all the gods (except Prajāpati, of course) were alike, and all were mortal; then they performed sacrifices and thereby became immortal, each with his peculiar attributes of divinity.[1] Thus at bottom they are all the same thing, merely phases of the universal godhead, waves stirred up by the current of the cosmic sacrifice. They have no terrors for the priesthood. But there is one deity who obstinately refuses to accommodate himself to this convenient point of view, and that is Rudra, or Śiva. By rights and logically he ought to fall into rank with the rest of the gods; but there is a crossgrained element in his nature which keeps him out. As we have seen, he comes from a different source: in origin he was a demon, a power of terror, whose realm of worship lay apart from that of the gods of higher class, and now, although it has extended into the domains of orthodox religion, an atmosphere of dread still broods over it.[2] Rudra wields all his ancient terrors over a much widened area. The priests have assigned him a regular place in their liturgies, and fully recognise him in his several