Khadiragrihyasutra 2.1.17

2.1.17

ājyabhāgau juhuyāccaturgṛhītamājyaṃ gṛhītvā pañcāvattaṃ bhṛgūṇāṃ jāmadagnyānāmagnaye svāhetyuttaratassomāyeti dakṣiṇataḥ / 17

He should sacrifice the two Âgya portions (in the following way): Having taken four portions of Âgya—five portions are taken by the Bhrigus (or at least?) by the Gâmadagnyas [see Indische Studien, 10, 95]—(he should make two oblations), to the north with (the formula), 'To Agni Svâhâ!' to the south with (the formula), 'To Soma Svâhâ!'