चतुर्युगाख्यान (Caturyuga-Ākhyāna) — Yuga-wise Origins and Measurements of Beings
त्रयोदशैते धर्मिष्ठा विज्ञेयाः कुशिकावराः / अगस्त्यो ऽयो दृढायुश्च विध्मवाहस्तथैव च
trayodaśaite dharmiṣṭhā vijñeyāḥ kuśikāvarāḥ / agastyo 'yo dṛḍhāyuśca vidhmavāhastathaiva ca
These thirteen are to be known as the most righteous among the Kuśikas, steadfast in dharma; and also Agastya, Aya, Dṛḍhāyu, and Vidhmavāha.