Śatapatha Brāhmaṇa ("of a hundred paths") 3.7.2.3

3.7.2.3

taṃ nidadhāti | eṣa te pṛthivyāṃ loka āraṇyaste paśuriti paśuśca vai yūpaśca tadasmā āraṇyameva paśūnāmanudiśati teno eṣa paśumānbhavati tadvayaṃ yūpaikādaśinyai sammayanamāhuḥ śvaḥsutyāyai ha nvevaike samminvanti prakubratāyai caiva śvaḥsutyāyai yūpam minvantītyu ca

He lays it down with (Vâg. S. VI, 6), 'This is thy place on earth; thine is the beast of the forest.' There are the animal (victim) and the sacrificial stake; to this one he thereby assigns of animals that of the forest, and thus it, too, is possessed of an animal (victim). That setting up of the eleven sacrificial stakes is said to be of two kinds,--some, namely, set (them all) up (on the previous day) for the morrow's Soma feast, and others set up (one) stake for the preparation of the morrow's Soma feast.