[ ”7 ] 
direction from N. W. to S. E, and their origin from 
Adrianople. The Thermometer at that time flood 
at 36; the mercury at 81. Adeadcalmfucceeded,and 
at II at night I marked the fpirits 37, and mercury 
80. The letters from Smyrna told us, that a fmall 
fhake was felt there at the fame hour ; fo that if we 
could fuppofe all the clocks and watches exadl, and 
that the firfi: explofion of the igneous matter was at 
or about Adrianople, we mud conclude the com- 
munication of thefe vail diftant motions to have been 
inflantaneous; and though we fhould vary fome mi- 
nutes, the velocity is incredible, and may be thought 
nearly to come up to that of 'founds. 
We had on the 9th of November, that year> a 
fmall fliake, at y. 30'. a. m. Spirits 68. a. m. 66. p. m. 
Merc. Ther. y6. a. m. 54 p. m. Wind N. E. fair 
weather. 
The mod violent one I ever felt, was on the 2d of 
September 17 at 10 at night The preceding 
month did not vary 4 or y degrees of heat from other 
years : it came, as that of the 2pth of July, without 
any preparatory figns, and with this difference only, 
that it was in a dead calm. The wind that day had 
been from E. N. E. to E. the fky at night with fhort 
clear undulating clouds, fome bluer than others, and a 
bright moon. The fird fliock feemed intirely per- 
pendicular, and the houfe, with a violent crack, heaved 
as it were off of its foundation ; fo that the floor of 
a large chamber feemed to rife from the exterior wall-' 
of the houfe to the interior of that room, and made 
a perfect inclin’d plane. The windows appeared to 
me higher, and the chair, in which I fat near that 
interior wall, to link lower j and when I rofe up I 
perceived 
