PB, 14, 11, 8.0 svāśirām arko bhavati //

PB, 14, 11, 9.0 annaṃ vā arko 'nnādyasyāvaruddhyai prāṇā vai svāśiraḥ prāṇānām avaruddhyai //

SVidhB, 2, 3, 5.1 śvetapuṣpaṃ arkam utthāpya tadahas trivṛtaṃ kārayen maṇim agniṃ pratiṣṭhāpyāvṛtā hutvā maṇiṃ nidhāya svāśirām arkeṇābhijuhuyāt sahasrakṛtvaḥ śatāvaram /