Ashvalayanagrihyasutra 2.1-9

2.1-9

kalaśāt saktūnām darvīm pūrayitvā prāg upaniṣkramya śucau deśe apo avaninīya sarva deva janebhyaḥ svāhā iti hutvā namas karoti ye sarpāḥ pārthivā ye antarikṣyā ye divyā ye diśyās tebhya imam balim āhārṣam tebhya imam balim upākaromi iti./

Out of the jug he fills the spoon with flour, goes out (of the house) to the east, pours water on the ground on a clean spot, sacrifices with (the formula), 'To the divine hosts of the serpents svâhâ!' and does reverence to them with (the formula), 'The serpents which are terrestrial, which are aerial, which are celestial, which dwell in the directions (of the horizon)—to them I have brought this Bali; to them I give over this Bali.'