Buddhist Dictionary of Pali Proper Names by G P Malalasekera
avyākata vagga
Avyākata Vagga:The fourth chapter of the Sattaka Nipāta of the Anguttara Nikāya (A.iv.67-98).
It contains ten suttas on various subjects such as the seven states of man (purisagati),anupādā parinibbāna,the knowledge Brahmas possess regarding sa-upādisesa- and anupādisesa-nibbāna,imparted to them by Moggallāna,the reason why the Dhamma will not last long,the seven kinds of wives who are like murderers,etc.