strange ripple spread over the waters and a terrible stench rose from it. The head and tail of the giant snake dropped gradually out of the hinds of the fainting churners. Even Vasuki's eyes became dull and his coils began to slip inertly off Mount Mandara's sides. Suddenly the god Shiva placed his mouth on the waves near the ripple, and sucking it in, saved the three worlds. For this was the terrible Vish—the poisonous fluid which overlaid the ambrosia to guard it. If the Lord Shiva had not drunk it, it would have destroyed alike the lesser gods, demons and men. As the Lord Shiva swallowed it, it burnt a deep blue mark on his throat. And he has ever since been known as Nilkantha or Blue-throat.
When the fumes of the Vish had passed away, the gods and demons churned once more. At last an aged man rose slowly through the masses of the ocean foam. In his right hand he carried a gold jar of exquisite workmanship from which issued a perfume of delicious fragrance. At the sight of the aged man, whom they knew to be Dhanwantari, the demons snatched the ambrosia from his hands, trying to rob the gods of their share. But the Lord Vishnu took it back from them. And to punish them for their greed he poured out the ambrosia to the gods only, who drank it and at once became immortal, while the demons, who drank none of it, have remained mortal to this day.
But one of the demons, Rahu by name, took the form of a celestial, and deceiving the Lord Vishnu received a draught of ambrosia. As the demon drank, the sun-god pierced his disguise and told the Lord Vishnu of his deceit. Vishnu, lifting his discus, shore off the head of Rahu with it before the ambrosia had
