This is most obvious in the case of the statements attached to each discourse saying where and on what occasion it was given. 2 Some of these may be genuine records, but the fact that in the case of every discourse the same kind of statement is given makes it probable that many of them rest on surmise. Besides such formal statements we often find complete legends. These are most frequent in the Vinaya, where each rule is furnished with an account of the event which led to its promulgation ; but legends of the same kind occur in the suttas, their insertion there being
e.g. Savatthi niddnam 44 occasion at Savatthi", or merely 44 Savatthi", meaning that the whole usual statement about Buddha staying there is to be repeated. The commentator on the Buddhavamsa draws attention to the fact that this work begins without a nidana.