[581] iv. 3.17.
[582] 46–54.
[583] 49, 50; or, 22%.
[584] 46–48, 51–54; or, 88%.
[585] 22–33, 12 books.
[586] 23, 26, 27, 31, 32, 33; or, 50%.
[587] 22, 24, 25, 28, 29, 30; or, 50%.
[588] 33–45, 12 books.
[589] 34, 37, 38, 39, 43, 44.
[590] 35, 36, 40, 41, 42, 45.