the Red Cow. Rabbi taught that they wrapped the cedar wood and hyssop together with the red thread so that they formed one bunch. Rabbi Eleazar the son of Rabbi Simeon said that they wrapped them together so that they had sufficient weight to fall into the midst of the burning cow. When Rav Dimi came from the Land of Israel, he said in the name of Rabbi Johanan that there were three red threads: one in connection with the Red Cow, the second in connection with the scapegoat, and the third in connection with the person with skin disease (the , m'tzora) in Rav Dimi reported that one weighed ten zuz, another weighed two selas, and the third weighed a shekel, but he could not say which was which. When Rabin came, he said in the name of Rabbi Jonathan that the thread in connection with the Red Cow weighed ten zuz, that of the scapegoat weighed two selas, and that of the person with skin disease weighed a shekel. Rabbi Johanan said that Rabbi Simeon ben Halafta and the Sages disagreed about the thread of the Red Cow, one saying that it weighed ten shekels, the other that it weighed one shekel. Rabbi Jeremiah of Difti said to Ravina that they disagreed not about the thread of the Red Cow, but about that of the scapegoat. The Mishnah taught that seven days before the burning of the Red Cow, they removed the priest who was to burn the cow from his house to a room called the stone chamber facing the north-eastern corner of the Temple. The Mishnah taught that throughout the seven days, they sprinkled on the priest a mixture of all the sin-offerings that were there, but Rabbi Jose taught that they sprinkled only on the third and the seventh days. And Rabbi Hanina the Deputy High Priest taught that on the priest who was to burn the cow they sprinkled all the seven days, but on the one who was to perform the service on Yom Kippur they sprinkled only on the third and the seventh days. To protect against defilement from contact with the dead, they built courtyards over bedrock, and left beneath them a hollow to serve as protection against a grave in the depths. They used to bring pregnant women there to give birth and rear their children in this ritually pure