 शामित्रे तु हयस्तत्र तथा जलचराश्च ये।ऋत्विग्भिस्सर्वमेवैतन्नियुक्तं शास्त्रतस्तदा।। 
 When the time came to sacrifice the animals, the chief priests, in accordance with tradition, tied up the horse and all the aquatic animals to the sacrificial posts. 