The incident of the midnight watch by a father's grave, kept by a son to whom the dead man appears and gives a magic horse, often occurs in the Skazkas. It is thoroughly in accordance with Slavonic ideas about the residence of the dead in their tombs, and their ability to assist their descendants in time of trouble. Appeals for aid to a dead parent are of frequent occurrence in the songs still sung by the Russian peasantry at funerals or over graves; especially in those in which orphans express their grief, calling upon the grave to open, and the dead to appear and listen and help.[336] So in the Indian story of Punchkin, the seven hungry stepmother-persecuted princesses go out every day and sit by their dead mother's tomb, and cry, and say, "Oh, mother, mother, cannot you see your poor children, how unhappy we are," etc., until a tree grows up out of the grave laden with fruits for their relief.[337] So in the German tale,[338] Cinderella is aided by the white bird, which dwells in the hazel tree growing out of her mother's grave. In one of the Skazkas[339] a stepdaughter is assisted by her cow. The girl, following its instructions, gets in at one ear and out of the other, and finds all her tasks performed, all her difficulties removed. When it is killed, there springs from its bones a tree which befriends the girl, and gains her a lordly husband. In a Servian variant of the story, it is distinctly stated that the protecting cow had been the girl's mother--manifestly in a previous state of existence, a purely Buddhistic idea.[340]