The CONTENTS, 
V* Fart of a Letter from Monjtem Claud. 
Jofcph Geoffroy, F. R. S. to David Hartley, 
M . A . F. R. S. containing his Method of 
making Soap-lees and Hard Soap, for Me- 
dicinal Ufes. 
VI* A Letter mitten to the moji Reverend 
Father 2 ). Cla. Fremond Calmad. publick 
Frofejfor in the Univerjity of Pifa, giving an 
Account of the Earthquakes felt in Leghorn, 
from the \6th to the lyth of January 1742. 
With fome Observations made by the moji 
Reverend Sig. Pafcpal R. Pedini, Prin- 
cipal of the Clergy of the moji eminent Col- 
lege of the faid City . Communicated to the 
Royal Society by James Jurin,M 2 ). 
F. R. S. &c\ 
