flesh of four-footed animals is prohibited except for the sick and the weak. Chapter 41 prescribes the hours of the meals, which vary with the time of year. Chapter 42 enjoins the reading of an edifying book in the evening, and orders strict silence after Compline. Chapters 43–46 define penalties for minor faults, such as coming late to prayer or meals. Chapter 47 requires the abbot to call the brothers to the "work of God" (Opus Dei) in choir, and to appoint chanters and readers. Chapter 48 emphasizes the importance of daily manual labour appropriate to the ability of the monk. The duration of labour varies with the season but is never less than five hours a day. Chapter 49 recommends some voluntary self-denial for Lent, with the abbot's sanction. Chapters 50 & 51 contain rules for monks working in the fields or travelling. They are directed to join in spirit, as far as possible, with their brothers in the monastery at the regular hours of prayers. Chapter 52 commands that the oratory be used for purposes of devotion only. Chapter 53 deals with hospitality. Guests are to be met with due courtesy by the abbot or his deputy; during their stay they are to be under the special protection of an appointed monk; they are not to associate with the rest of the community except by special permission. Chapter 54 forbids the monks to receive letters or gifts without the abbot's leave. Chapter 55 says clothing is to be adequate and suited to the climate and locality, at the discretion of the abbot. It must be as plain and cheap as is consistent with due economy. Each monk is to have a change of clothes to allow for washing, and when travelling is to have clothes of better quality. Old clothes are to be given to the poor. Chapter 56 directs the abbot to eat with the guests. Chapter 57 enjoins humility on the craftsmen of the monastery, and if their work is for sale, it shall be rather below than above the current trade price. Chapter 58 lays down rules for the admission of new members, which is not to be made too easy. The postulant first spends a short time as a guest; then he is admitted to the novitiate where his vocation is severely tested; during this time he is always free to leave. If after