[1476] X, 25, (Baur, 457).
[1477] I, 10, (Baur, 283): see too XV, 5, (Baur, 551).
[1478] XV, 14, (Baur, 565), Ptolemaeus etiam, ceterique moderniores mathematici: see also XV, 16, (Baur, 567), nonnullisque etiam modernioribus mathematicis.
[1479] XV, 5, (Baur, 551): XII, 17, (Baur, 505).
[1480] I, 11, (Baur, 284-85).
[1481] I, 13, (Baur, 288).
[1482] XV, 12, (Baur, 560).
[1483] XIX, 2, (Baur, 627).
[1484] XV, 30, (Baur, 588).
[1485] XV, 29, (Baur, 586).