'SSo ESSAYS AND OBSERVATIONS 



tion in the pelvis of each. In order to 

 give you the better idea of the fituation 

 of the ftones, I have attempted to deli- 

 jneate their figures. 



Explanation of Table 6, 



Tab. 6. fig. i, a, a. a That part of the 

 (lone which was lodged without the 

 fphindler in the urethra. 



b. b A deep nitch into which the 

 fphindler and neck of the bladder was 

 very clofely engaged. 



c. C' c. That part of the flone which was 

 lodged in the cavity of the bladder. 



As the figure and fhape of the flones 

 ^re pretty fimilar, the above explana-< 

 tion may ferve for No, 2, 



Art, 



