Śatapatha Brāhmaṇa ("of a hundred paths") 11.8.4.6

11.8.4.6

tasmā u haitaduvāca spṛtīrhutvānyāmājateti brūtātsā te samrāḍdughā syāditi candrātte mana spṛṇomi svāhā sūryātte cakṣu spṛṇomi svāhā vātātte prāṇāntspṛṇomi svāhā digbhyaste śrotraṃ spṛṇomi svāhādbhyaste lohitaṃ spṛṇomi svāhā pṛthivyai te śarīraṃ spṛṇomi svāhetyathānyāmājateti brūtātsā te samrāḍdughā syāditi tato haiva sa utsasāda kaiśinīrevemā apyetarhi prajā jāyante

And, accordingly, he then said to him,--'Having offered the Spritis, he (the Adhvaryu) should say, "Drive up another (cow)!" and that one should be thy samrâg-cow.'--'[Having offered. with,] "From the moon I take thy mind, hail!--From the sun I take thine eye, hail!--From the wind I take thy breathings, hail!--From the regions I take thine ear, hail!--From the waters I take thy blood, hail!--From the earth I take thy body, hail!" let him then say, "Drive up another (cow)!" and that one shall be thy samrâg cow!' He then departed from thence, and, verily, members of the Kesin race are born here even to this day.