Anandakanda 1.6.115

1.6.115

tṛtīyo māṃsavedhaḥ syānmedovedhaścaturthakaḥ /
asthivedhaḥ pañcamaḥ syātṣaṣṭho majjātmako bhavet //

Transmutation of muscle would be the third; transmutation of fat is the fourth; / transmutation of bone would be the fifth; the sixth consists of marrow;