C 212 ] 
true, the Hone may increafe fader in fo me patients, 
and flower in others ; but Hones, after remaining a 
dozen or more years in the bladder, generally weigh 
feveral ounces. Some years iince I law a Hone, weigh- 
ing near fix ounces, taken from a boy of no more 
than 14 years of age. 
4 
3. Lord Walpole’s cafe not only fhews the power 
of l'oap and lime-water to relieve the painful lym- 
ptoms, and prevent the increafe, of the Hone in the 
bladder, but alfo makes it probable, that thefe medi- 
cines do communicate to the urine a power of dif- 
folving the Hone. 
In the beginning of 1749 his Lordlhip voided 
with his urine a calculous fubflanee of a fiat Hi ape, 
about the bignefs of a filver penny, and covered witlr 
a foft white mucus (4) ; and upon the furfaces of the 
Hones found in his bladder there were fome inequa- 
lities, which feemed to have been made by the l'epa- 
ration of thin lamellce or fcales. Further, the fmall 
Hone found in the beginning of the urethra mufl 
have been in a diflolving Hate, and confiderably 
leflened in the bulk : for, if it had lain long in the 
bladder, and never been larger, it ought to have 
been voided thro' the urethra with the urine ; and it 
could not have arrived lately in the bladder, fince 
Lord Walpole had not had, for feveral years before 
his death, any nephritic pains, or fymptoms of Hones 
palling from the kidnies ; and fince it is not likely, 
that a Hone of the fize and fhape of the feed of an 
(4) Philofoplu Tranfad, Vol.xlvii. p. 47. 
apple 
