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46 



REMARKS 



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T H E 



jPRIMGs. an exploiion, we always faw a new quantity of vapours and fleams 



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pierce thefe fpiracula, whick are apparently fliut up, but feem to 

 have a cavity underneath ; for the whole mountain gave a hollow 

 found, when we were walking on the footpath leading to thefe fol- 

 fataras ; and I likewife traced a train of thefe fpiracula, both above 

 and below on the fides of this hill, as far as within a few yards of 

 the hot wells, I faw the folfataras three times. The fecond time 



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I took my thermometer with me, and having dug a hole about a 

 foot deep, I hung the thermometer in it by the ribbon on its top, to 



ftick laid acrofs the hole ■; and I faw it rife from 8 



few fe 



conds to 170°: having left the thermometer for four minutes in 

 the hole, I found it ftill at 170", and though I repeated this at 

 one minute's interval, three times, the mercury was flill at the fame 

 degree. . 

 gradually 



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When I took it out, it fell in a fecond's time to 16 



d 



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lower. In my cabin on board the fhip, it flood at 78° j 

 jiaving been carried clofe to my body up the hill, by a long afcent, 

 it rofe to 87" :; I hung it therefore in the open air, in the fhade of a 



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tree on the hill, about twenty yards from the fmoaking place, for 



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about five minutes, and found it to fland at 80% and to remain at the 

 fame height for a long while after. When I was digging the hole 



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for the reception of the thermometer, the natives feemed uneafy, 

 and were apprehenfive the place would be 01) fire. This happened 



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on Augufl the 12th at about ten o'clock in the morning. 



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I went 



