Whereupon not only did the elfin cow arise and go home, but all her progeny to the third and fourth generations went home with her, disappearing in the air over the hill tops and returning nevermore. Only one cow remained of all the farmer's herds, and she had turned from milky white to raven black. Whereupon the farmer in despair drowned himself in the lake of the green ladies, and the black cow became the progenitor of the existing race of Welsh black cattle.