See the Rule of St. Benedict, cap. 39, 40 (in Cod. Reg. part ii. p. 41, 42 [tom. i. p. 129, ed. 1759]). Licet legamus vinum omnino monachorum non esse, sed quia nostris temporibus id monachis persuaderi non potest;
he allows them a Roman 'hemina', a measure which may be ascertained from Arbuthnot's Tables.