. ( If 55 ) 
now retain 5 in the mean time the other parts about thefe 
cavities were fo firmly united as to become a hard and 
folid Stone, 
Before that I confider'd the conjon£i:ion of the particles 
of divers Stones, I imagined that thefe particles were uni* 
ted to each other by fuch a fixt Salt, that nothing but 
Fire could feparate them 3 but I am convinced now that 
this fuppofition will not hold in all Scones, 
VL Tart of two Letters from Afr Thoresby, F. S. 
to the Tuhlip?erj concerning an Earthquake ^ which 
happened in fome places of the Horth of England, 
the t%th of Vecmher^ ^70j. 
¥ 0 U have heard, no doubt, of the late Earthquake 
that affefted fome part of the North, as the dreadful 
Storm did the South ; \% being moft obfervable at Enll^ I 
was defirous of an account from thence, that might be 
depended upoHj and therefore writ to the very obliging 
xBankj^ Prebendary of T<?r4, who being Vicar of tiuil, 
as the moft fuitable perfon I knew to gddrefs my 
felf unto, and_ he being pleafed to favour me with a judi- 
cious account of it, i will venture to communicate it to 
you, with his pious reflection thereupon* ' As to tiie 
* Earthquake you mention:^ it Wci5: fdt here on Tuefdaj^ 
' the 28th of the laft Months wlvich was Chikkrmas day, 
* about 3 or 4 minutes aiter 5 in the Evening .3 I coBfefs \ 
* did not feel it my felf^ for I was at that moment walking 
' to vifit a fick Geotleman, and the noife in the St^reetSj 
*and my quick motion, made it impoffible, I believe, for 
