The crime committed by Cain had baneful consequences, not for himself alone, but for the whole of nature also. Before, the fruits which the earth bore unto him when he tilled the ground had tasted like the fruits of Paradise. Now his labor produced naught but thorns and thistles.[29] The ground changed and deteriorated at the very moment of Abel's violent end. The trees and the plants in the part of the earth whereon the victim lived refused to yield their fruits, on account of their grief over him, and only at the birth of Seth those that grew in the portion belonging to Abel began to flourish and bear again. But never did they resume their former powers. While, before, the vine had borne nine hundred and twenty-six different varieties of fruit, it now brought forth but one kind. And so it was with all other species. They will regain their pristine powers only in the world to come.[30] Nature was modified also by the burial of the corpse of Abel. For a long time it lay there exposed, above ground, because Adam and Eve knew not what to do with it. They sat beside it and wept, while the faithful dog of Abel kept guard that birds and beasts did it no harm. On a sudden, the mourning parents observed how a raven scratched the earth away in one spot, and then hid a dead bird of his own kind in the ground. Adam, following the example of the raven, buried the body of Abel, and the raven was rewarded by God. His young are born with white feathers, wherefore the old birds desert them, not recognizing them as their offspring. They take them for serpents. God feeds them until their plumage turns black, and the parent birds return to them. As an additional reward, God grants their petition when the ravens pray for rain.[31] THE INHABITANTS OF THE SEVEN EARTHS