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from its extraordinary and terrific appear- ance. During the whole of July, the moun- tain was in a state of considerable fermenta- tion, subterraneous explosion and rumbling noises being heard, and quantities of smoke thrown up with great violence, sometimes with red-hot stones, scoriræ, and ashes. On                    the 5th of August, the volcano was greatly agitated, a white sulphurceus smoke, appa- rently four times the height and size of the volcano itself, issuing from the crater, at the same time that vast quantities of stones, &c. were thrown up to the supposed height of                    2000 feet The liquid laya, having cleared the rim of the crater, flowed down the sides of the mountain to the distance of four miles. The air was darkened by showers of reddish ashes, blended with long filaments of a vitri- fied matter resembling glass. On the 7th, at midnight, a fountain of                    fire shot up from the crater to an incredible height, casting so bright a light that the smallest objects were clearly distinguishable at any place within six miles of the volcano. On the following evening, after a tremendous explosion, which broke the windows of the houses at Portici, another fountain of liquid fire rose to the surprising height of 10,000 feet, (nearly two miles) while puffs of the blackest smoke accompanied the red-lot lava, interrupting its splendid brightness here and