GREEK

Tliis fire, which was employed in the wars of the Christians and Saracens in the middle ages, is said to have been invented during the reign of Const an tine Pogonatus in the year 668 by Callinicus, an architect of Helio polis. Naphtha was probably its principal ingredient, which, if skilfully projected and enflamed, creates great havoc and dismay, in consequence of its extreme combustibility and the difficulty of quenching its flame. (See a learned paper on this subject, by Dr. WCuUoch, in the Quarterly Journal of Science, vol. xiv.) FIRE-LOCK, or [s. 467]