[ 77 ] 
and the mildeft Soap, as it has been found by Expe- 
rience in all our Manufa&uries. 
The Obfervations which I have lately laid before 
the Academy, prove that the Oil, which has pafled 
through the Lyes of Lime and of Salts, is, perhaps, 
eafierto digeft than any other. I there demonftrate, 
that the Oil feparated from the Soap by the means 
of Acids, as I have pointed out, is found to have 
acquired a Property which it had not before j for it 
diflolves in Spirit of Wine, and perfe&ly unites with 
it ; which it could not do whilft it was crude, that is 
to fay, before it had formed Soap, or had been boiled 
with metallic Limes. 
VI. A Letter written to the mojt Reverend 
Father 2 ). Cla. Fremond Calmad , public k 
Fvofejjor in the Univerjity of Pifa, giving an 
Account of the Earthquakes felt in Leghorn, 
from the 1 6th to the zyth of January 1741. 
With fome Obfervations made by the mofi 
Reverend Sig. Pafcjual R . Pedini, ‘Prin- 
cipal of the Clergy of the mojt eminent Col- 
lege of the faid City. Communicated to the 
Roial Soc 1 eti by James Jurin, M 2 ). 
F. R. S. &c. 
• f.' ,% - - ~ l V ■ ' • • . 4* » o > r * ■: r\*-‘ . >v» •- • 
Read April 8. “T N Obedience to your Commands, I 
1 74 *' JF tranfmit you an Account of the Earth- 
quakes felt in Leghorn^ from the 16th to the 27th of 
January . 
