(from the article `Aurgelmir`) ...produced a six-headed son. A cow, Audumla, nourished him with her milk. Audumla was herself nourished by licking salty, rime-covered stones. She ... ...rime. She was nourished by licking salty, rime-covered stones. Four rivers of milk flowed from her udders and thus she fed the giant Ymir. The cow ... ... Found on http://www.britannica.com/eb/a-z/b/131