SB 12.12.19

manv-antarānukathanaṁ
 gajendrasya vimokṣaṇam
manvantarāvatārāś ca
 viṣṇor hayaśirādayaḥ
Synonyms: 
manu-antara — of reigns of the various Manus; anukathanam — the detailed description; gaja-indrasya — of the king of the elephants; vimokṣaṇam — the liberation; manuantara-avatārāḥ — the particular incarnations of the Supreme Personality of Godhead in each manvantara; ca — and; viṣṇoḥ — of Lord Viṣṇu; hayaśirā-ādayaḥ — such as Lord Hayaśīrṣā.
Translation: 
The reign of each Manu, the liberation of Gajendra, and the special incarnations of Lord Viṣṇu in each manvantara, such as Lord Hayaśīrṣā, are described as well.