C 544- ] 
afcertain the fecond in like manner, I can at any- 
time produce the poor woman and her hufband be- 
fore you, who will atteft the truth of fufferings, 
which will not eafily elcape their memory. 
You are at liberty to difpofe of this paper as you 
fhall think proper. I am, 
Reverend Sir, 
Your refpedtful and moft humble Servant, 
Kiddermiafter, 
Sept. ii. 1757. 
J. Johnftone, 
T H O’ it is now pretty well known, that colicky 
and idteric difeafes often arife from gall-ftones 
generated in the bilious receptacle, and obflrudting 
its canals ; yet an example of one, of fuch enormous 
fize, voided into the duodenum from the duttus com- 
munis, as happened in the firft of the following cafes, 
is a very rare, if not intirely an unexampled occurrence. 
It will encourage us not too eafily to defpair of the 
expulfion of the largeft calculi from the gall-bladder; 
and will teach us, that all violent attacks of pain 
about the ftomach are not owing to gout refledted 
upon that organ : it will make us more cautious of 
giving draftic cathartics, heating and inflaming medi- 
cines, upon fuch a vague prefumption ; and ought 
to difpofe thofe, who are trufted with the lives of 
their fellow-creatures, to a nicer obfervation of even 
the minuted: fymptoms and circumflances, which 
may occur in difeafes. 
The fecond cafe points out, under certain circum- 
ftances, the pradtibility of extradting, by incifion into 
the 
