Matsya Purana 244.10

244.10

śaunaka uvāca.
vāmanasya ca vakṣyāmi varāhasya ca dhīmataḥ.
purā nivārite śakre sureṣu vijiteṣu ca .. 244.8 ..

Śaunaka replied :—I shall relate to you in brief the glories of Vâmana and Vârâha ” In the past decade, when Indra was vanquished by the Devas, then Aditi the mother of the Devas began to practise rigid austerities for sons again —8-9