Skanda said I shall now describe a duty that is approved of by me. Do ye listen to it with rapt attention. That person who takes a little earth from the horns of a bull of blue color, smears his body therewith for three days, and them performs his ablutions, wins great merits. Hear what those merits are. By such a deed he would wash away every stain and evil, and acquire sovereign sway hereafter.