PLATE xxix 



OPERATION FOR STONE 



Fig. A. i. Catheter. 2. Stone. 3. Rectum. 4- Knife cutting into the Urethra. 

 Fig. B. i. Lithotrite. 2. Stone in the jaws of the Lithotrite. 3. Hand in the Rectum ass* 

 intr, tV>f inw<; of the instrument ready for crushing. 



