Mbh 9.36.3d

He also said, 'Let him that bathes in this well, have the end that is attained by persons that have drunk Soma!' At these words, O king, the Sarasvati with her waves appeared within that well. Raised aloft by her, Trita came up and worshipped the denizens of heaven. The gods then said unto him 'Be it as thou wishest!' All of them, then, O king, went to the place whence they had come, and Trita, filled with joy, proceeded to his own abode. Meeting with those two Rishis, his brothers, he became enraged with them. Possessed of great ascetic merit, he said certain harsh words unto them and cursed them, saying, 'Since, moved by covetousness, you ran away, deserting me, therefore, you shall become fierce wolves with sharp teeth and range the forest, cursed by me in consequence of that sinful act of yours! The offspring also that you shall have will consist of leopards, and bears and apes!' After Trita had said these words, O monarch, his two brothers were seen to be very soon transformed into these shapes in consequence of the words of that truthful sage. Of immeasurable prowess, Valadeva touched the waters of Udapana. And he gave away diverse kinds of wealth there and worshipped many Brahmanas. Beholding Udapana and applauding it repeatedly, Valadeva next proceeded to Vinasana which also was on the Sarasvati."