I 545 ] 
the^ gall-bladder itfelf, thofe calculi , which, from 
their figure, or other impediments, cannot be voided 
in the natural way. The method of performing this 
unufual operation, and fome infiances of its fuccefs 
have already been made public in the Memoires de 
TAcad. de Chirurg. 
i . Mrs. F , 3 fedentary corpulent old lady, 
had been much fubjedt to colicky complaints, with- 
out jaundice, in the vigour of life. The feat of the 
pain was chiefly under the right hypochondrium , as 
high as the fiomach. She had been tolerably free 
from it for at leafi eight years pafi. December y, 
1 7 5 3 ’ a bout eleven o’clock in the evening, fhe was 
iuddenly leized with a violent pain, extending from, 
that part of the fiomach lying under the right fide, 
thro’ to her back. She compared it to a fword 
driven in that direction. This pain continued not 
only with unremitted violence, but even increafed, 
till feven o’ clock in the morning : all this time fhe 
vomited and ftrained almoft incefiantly ; but after 
her fiomach was emptied of its contents, nothing 
came up befides clear flime, fireaked with blood 
About feven o’ clock in the morning fhe felt her pain 
fall or move lower, as fhe exprefled it, and from 
that time became remarkably eafier. Soon after this 
change, fhe became extremely fick, and vomited up, 
for the firft time, a prodigious quantity of greenifh 
yellow bile. She had not before this feizure been 
remarkably cofiive j and in her pain had a free mo- 
tion to fiool with efiedt ; but during the remainder 
of the ( 6 th) day had none, tho’ all this time emol- 
lient clyfters were injected ; and fhe took regularly 
- Vol. ^Oo 4^ every 
