54^ ESSAYS AND OBSERVATIONS 



Art. XXIX. 



The H'ljlory of tuoo cafes of Stones lodged 

 partly in the Bladder^ and partly in the 

 Urethra, by Dr Living sTon Phyfcian 

 at Aberdeen ^. 



A Pretty confiderable and extenfive 

 pradice in lithotomy has given 

 me many opportunities of meeting with 

 a great variety of human calculi. Such 

 of them as were any ways remarkable or 

 peculiar, either for their fize, their figure, 

 or fiibflance, I commonly kept ; and t 

 have feverals of them in my pofTefHon, 

 which are very uncommon j at leafl, they 

 appear fo to me. 



Amongst thefe, I have taken the li- 

 berty to fend you two, which are indeed 



very 



* Read 1765, 



