Matsya Purana 261.50

261.50

adhastātprakṛtisteṣāṃ nābherūrdhvantu pauruṣī.
phaṇāśca mūrdhni kartavyādvijihvā bahavaḥ samāḥ .. 261.49

The lower parts of the serpents should be like (Prakriti) those of the natural serpents and the upper part is to be represented Paurusi and hoods on the head They have each a pair of tongues—49 Many demons, Râkṣasas, Bhûtas and Vetâlas should be made to reside at the gateway of Lakṣmî Devî. They are without flesh, terrible and hideous looking—50