Matsya Purana 265.35

265.35

vitasti mātrā yoniḥ syad gajoṣṭhasadṛśī tathā.
āyatācchidrasaṃyuktā pārśvataḥ kalayocchritā .. 265.34

The wood of Palâśa, Udumbara Asvattha, Apâmârga and Samî should be used as sacrificial fuel in the Homa ceremony and a thousand offerings should be made taking at each time a stick and every time the feet of the image should be touched and when the thousand offerings are over the navel, chest and head should be similarly touched Afterwards the four priests officiating at the consecration ceremony should perform Homa ceremony over the Kuṇḍa (pit) with a girdle and a Yoni measuring one hand with the greatest care Next a Yoni is to be made on it one cubit long and resembling the lips of an elephant It should have a hole and be extended and ornamented on both sides with beautiful ornamental workmanship This Yoni is to be 4 fingers higher than the level of the sacrificial hollow (Kunda) This part should be square and be made to look beautiful At a distance of thirteen Angulas from the foundation of the Vedi (altar), nine other Kundas are to be similarly made—31 36