चतुर्युगाख्यान (Caturyuga-Ākhyāna) — Yuga-wise Origins and Measurements of Beings
इति श्रीब्रह्माण्डे महापुराणे वायुप्रोक्ते पूर्वभागे द्वितीये ऽनुषङ्गपादे चतुर्युगाख्यानं नामैकत्रिंशत्तमो ऽध्यायः सूत उवाच युगेषु यास्तु जायन्ते प्रजास्ता मे निबोधत / आसुरी सर्पगान्धर्वा पैशाची यक्षराक्षसी
iti śrībrahmāṇḍe mahāpurāṇe vāyuprokte pūrvabhāge dvitīye 'nuṣaṅgapāde caturyugākhyānaṃ nāmaikatriṃśattamo 'dhyāyaḥ sūta uvāca yugeṣu yāstu jāyante prajāstā me nibodhata / āsurī sarpagāndharvā paiśācī yakṣarākṣasī
Thus, in the Śrī Brahmāṇḍa Mahāpurāṇa, spoken by Vāyu, in the former section, the second anuṣaṅga-pāda, is the thirty-first chapter called “The Account of the Four Yugas.” Sūta said: “Hear from me the beings born in the yugas—asuric, serpentine (nāga), gandharva, piśācī, and yakṣa-rākṣasī.”