[ 55 1 



VIII. Remarks on the tendency to Calculous Diseases ; with observations on the 

 nature of urinary concretions, and an analysis of a large part of the collection 

 belonging to the Norfolk and Norwich Hospital. By John Yelloly, M.D. 

 F.R.S. ^c. 



Read June 19, 1828. 



Having, since my residence in the neighbourhood of Norwich, and my 

 connection with the county hospital, paid considerable attention to calculous 

 diseases and their concretions, I beg leave to lay some observations on those 

 subjects before the Royal Society, to whose Transactions we owe much 

 valuable information on the branches of pathology which relate to urinary 

 complaints. 



Part I. — Of the tendency to Calculous Diseases. 



The county of Norfolk has long been remarkable for the occurrence of cal- 

 culous diseases among its inhabitants ; but there are no means of ascertaining 

 how far this disposition extended, previous to the establishment of its hospital 

 in 1772. Many of its cases went, of course, to the metropolis before that time ; 

 but there is, besides, every reason for concluding, that the operation of litho- 

 tomy was frequently performed in Norfolk, during all the preceding part 

 of the eighteenth century, both from the reputation and extensive practice of 

 Mr. GoocH, one of the principal surgeons and surgical writers of his time, who 

 lived near Norwich ; and the occasional observations made by that gentleman 

 in his surgical works, as to the skill, and experience in lithotomy, of practi- 

 tioners in different parts of the county. 



Operative surgery does not indeed, at this time, appear to have been confined 

 to the regular surgeon ; for in the little church of Stoke Holycross, about four 

 miles from Norwich, is a mural monument of a clergyman, who died in 1719, 

 and is represented, in an inscription surrounded by designs of various surgical 



