Kauṣītaki (Śāṅkhāyana) Brāhmaṇa 5.4.10

5.4.10

atha yad aindrāgno dvādaśa kapālaḥ /

v. 4. In that there is (a cake) on twelve potsherds for Indra and Agni, and Indra and Agni are supports, verily (it serves) for support. Indra is in the middle; therefore to him in the middle he sacrifices. In that there is a milk mess for Varuṇa, (it is because) Varuṇa is Indra, and he has milk as his portion; therefore there is a milk mess for Varuṇa. In that there is a milk mess for the Maruts, (it is because) the Maruts are situated in the waters; therefore with milk he sacrifices to them, for milk is the waters. Moreover the Maruts are Indra's, milk is Indra's; therefore is there a milk mess for the Maruts. In that there is (a cake) on one potsherd for Ka,