[97] Aeneid, x. 272 seq.

[98] Annals, xiv. 22.

[99] Quaestiones Naturales, vi. 27. 28, and Seneca, Physical Science, Clarke and Geikie.

[100] Annals, Bk. XVI.

[101] lxvii. 11.

[102] lxxii. 14.

[103] Herodian, Bk. I.

[104] Evagrius, Hist. iv. 28.

[105] xxiii. 7.

[106] Merivale, Hist. of Rome, vii. 578.