Miscellaneous Facts and Obsefoatiojis. 179 



in Pennsylvania, specimens of Zeolite. They were 

 imbedded in regularly-chrystallized Basalt, of which 

 there is a great abundance in the vicinity. Some of 

 the Basaltic specimens are octangular. 



Meteorology. 



30. On the 23d of August last, between the hours 

 of 3 and 4, P. M., in lat. 36° 30', and long. 2° 41' 

 15", west, we felt an unusual motion in the ship, 

 accompanied with a rumbling noise. The frigate 

 Constellation, about two miles a-stern of usj was also 

 much agitated. The same evening, we spoke a Spa- 

 nish vessel, and were informed, that they had also felt 

 the shock, about the same time. 



On the 25th, at 4, A. M., the wind blew hard, a 

 heavy sea rose, accompanied with slight showers of 

 rain. At half past 8, a dark cloud passed a-head of 

 us : ^5 minutes past eight, we felt another shock, 

 which continued, without any intermission, for thirty- 

 seconds. The ship was much agitated, a rumbling 

 noise was heard between decks, like that of a 24 

 pounder run fore and aft the decks. The first day, 

 we were considerably alarmed, and supposed the ship 

 had run over a shoal, but on sounding, no bottom 

 )vas found. 



Mount Etna now pours forth large columns of 

 smoke : it is about forty miles from this place, but ap. 



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