[Footnote 16: Our sure and indefatigable guide in the middle
ages and Byzantine history, Charles du Fresne du Cange, has
treated in several places of the Greek fire, and his
collections leave few gleanings behind. See particularly
Glossar. Med. et Infim. Graecitat. p. 1275, sub voce.
Glossar. Med. et Infim. Latinitat. Ignis Groecus.
Observations sur Villehardouin, p. 305, 306. Observations
sur Joinville, p. 71, 72.]