This is the extended and annotated edition including

* an extensive annotation of more than 10.000 words about the history and basics of Buddhism, written by Thomas William Rhys Davids

In Buddhism, the Patimokkha is the basic Theravada code of monastic discipline, consisting of 227 rules for fully ordained monks (bhikkhus) and 311 for nuns (bhikkhunis). It is contained in the Suttavibhanga, a division of the Vinaya Pitaka.