I 663 ] 
probable, that the enamelled ware of cups, platters, 
ewers, and fuch like, which the great Raphael was 
concerned in making, many of which are now in 
England, were made in imitation of the antients ; 
iince in every other part of his art, he was fo clofe 
a follower of their mod correct works, and fince the 
colours and appearance are exactly the fame m his, 
that are upon thofe antient pieces mentioned. All 
I have further to fay is, that if there be any-thing 
amits in thefe conje&ures, I freely fubmit to the* 
judgment and correction of any better judge. 
Cl I. An Account of the late Earthquakes 
felt at Maeflricht, in a Letter from 
Monf Vernede, P aft or of the Wallon 
Church there, to Monf. Allemand, Pro - 
feffor of Philofophy at Leyden, F. R. S. 
Communicated by Mr. Abraham Trem- 
bley, F. R. S. Tranfated fro?n the 
French. 
Maeflricht, May 1, 1756. 
Read May 27, f~ ^ H E following are the obfervations, 
r 75 6 - which I have been able to com- 
municate to you, relating to the earthquakes, which 
we have felt here. 
The number of the fhocks has been very confi- 
•derable. From the 18th of February to the begin- 
ning of Anril no day paifed, in which one was not 
4 P 2 felt 
