Shiva Purana
शृण्वथो गिरिशस्याद्यावतारान् दशसंख्यकान् ॥ महाकलमुखान् भक्त्योपासनाकाण्डसेवितान् ॥ १ ॥
Now listen to the first ten incarnations of Śiva beginning with that of Mahākāla. They are resorted to with devotion and explained in Upāsanākāṇḍa.
english translation
zRNvatho girizasyAdyAvatArAn dazasaMkhyakAn ॥ mahAkalamukhAn bhaktyopAsanAkANDasevitAn ॥ 1 ॥
hk transliteration by Sanscript