[ 610 3 
III. The laft Argument is founded upon the learned 
and ingenious Mr. Totems Experiment, wherein 
equal Cavities are formed in foft Subftances, by equal 
Bodies falling from Heights reciprocally proportional 
to their Malles. This the Author fets alide, as infuf- 
ficient, fincc the Times of forming thefe equal Ca- 
vities are unequal, and unequal Caufes may produce 
equal Effe&s in unequal Times. The learned Mr. 
Toleni docs, indeed, reply, and fay, that the Forma- 
tion of thefe Cavities feems to be inftantaneous : But. 
the ingenious Author {hews the contrary, and that 
from a Pofition allowed of by Toleni himfelf, in his 
Reply. 
IX. An Account of fome remarkable Stones, taken 
out of the Kidneys of Mrs. Felles, upon open- 
ing her Body after her Deceafe , by Noah 
Sherwood, Surgeon . 
U PON opening the Body of Mrs. Felles , I found 
nothing amifs in any of the Vifcera , till I came 
to the Kidneys, both of which were confiderably 
inlargcd, and ot an oblong Figure, and had fevcral 
Protuberances bunching out, which made the Sur- 
face appear almoft like a Beeves Kidney. Upon feel- 
ing them externally, I could plainly perceive they 
were caufcd by Stones: I took them out of the Body, 
and laid them open Longitudinally, and found in the 
Right Kidney fevcral Stones of an irregular Figure, 
branched like Coral : They had extended themfelves 
beyond the Capacity of the Telvis on every Side, 
i 
