SB 6.1.3

adharma-lakṣaṇā nānā
 narakāś cānuvarṇitāḥ
manvantaraś ca vyākhyāta
 ādyaḥ svāyambhuvo yataḥ
Synonyms: 
adharma-lakṣaṇāḥ — symptomized by impious activities; nānā — various; narakāḥ — hells; ca — also; anuvarṇitāḥ — have been described; manu-antaraḥ — the change of Manus [in one day of Brahmā there are fourteen Manus]; ca — also; vyākhyātaḥ — has been described; ādyaḥ — the original; svāyambhuvaḥ — directly the son of Lord Brahmā; yataḥ — wherein.
Translation: 
You have also described [at the end of the Fifth Canto] the varieties of hellish life that result from impious activities, and you have described [in the Fourth Canto] the first manvantara, which was presided over by Svāyambhuva Manu, the son of Lord Brahmā.