6 ages, 6 days, 6 epochs

On page 9 of his study of Book I of the Confessiones, Gary Wills notes the structure of Augustine's anthropo-creational-cosmology:

	Ages of Man	Creation	History
1	Infantia (pre-verbal)	Light	Adam to Noah
2	Pueritia (speaking)	Sky/Earth	Noah to Abraham
3	Adulescentia (15-30)	Vegetation	Abraham to David
4	Juventus (30-45)	Galaxy	David to Babylon
5	Maturitas (45-60)	Fish	Babylon to Christ
6	Senectus (60-)	Animals/Man	Christ to End