PLATE Vn. 



PhospTijotic calculus, uric add nurZeiJS. 



X 215 



(mIcuIos of oocaltzte of Urn p . 



© 



5-\ m 



'•£'/ Q 



HeTvod, casts. Some deprived of 

 epttheUum, lU'o are d^efja^ cxjlored, 

 -frorrv the presence of urate, of soda, . 



Straight forceps used 

 trvTemoving calculi,.. 



Haiaes del after Hurtrel D'Arboval. 



A Hoen&Co bth.Bahimore 



CAI.CULI AND IXST11UME^;T FOR. REMOV.VJ. , 



