SB 4.7.8: After everything was executed exactly as directed by Lord Śiva, Dakṣa's body was joined to the head of the animal meant to be killed in the sacrifice.
Śrīmad Bhāgavatam 4.7.9
sandhīyamāne śirasi
dakṣo rudrābhivīkṣitah
sadyaḥ supta ivotta
