Oholoth, chap. I, mish. 8.
See also Eiruvin, fol. 53, col. 2, and the Musaph for the second day of Pentecost. In the Musaph for the New Year there is a prayer that runs thus, "Oh, deign to hear the voice of those who glorify Thee with all their members, according to the number of the two hundred and forty-eight affirmative precepts. In this month they blow thirty sounds, according to the thirty members of the soles of their feet; the additional offerings of the day are ten, according to the ten in their ankles; they approach the altar twice, according to their two legs; five are called to the law, according to the five joints in their knees; they observe the appointed time to sound the cornet on the first day of the month, according to the one in their thigh; they sound the horn thrice, according to the three in their hips; lo! with the additional offering of the new moon they are eleven, according to their eleven ribs; they pour out the supplication with nine blessings, according to the muscles in their arms, and which contain thirty verses, according to the thirty in the palms of their hands; they daily repeat the prayer of eighteen blessings, according to the eighteen vertebrae in the spine; at the offering of the continual sacrifice they sound nine times, according to the nine muscles in their head," etc., etc.
It is related of Rabbi Ishmael's disciples that they dissected a low woman who had been condemned by the Government to be burned, and upon examination they found that her body contained two hundred and fifty-two members.
Bechoroth, fol. 45, col. 1.
The regular period of gestation is either two hundred and seventy-one, two hundred and seventy-two, or two hundred and seventy-three days.
Niddah, fol. 38, col. 1.
Revere the memory of Chananiah ben Chiskiyah, for had it not been for him the Book of Ezekiel would have been suppressed, because of the contradictions it offers to the words of the law. By the help of three hundred bottles of oil, which were brought up into an upper chamber, he prolonged his lucubrations, till he succeeded in reconciling all the discrepancies.
Shabbath, fol. 13, col. 2.
It is related of Johanan, the son of Narbai, that he used to eat three hundred calves, and to drink three hundred bottles of wine, and to consume forty measures of young pigeons by way of dessert. (Rashi says this was because he had to train many priests in his house.)