75 



Gallae (Nutgalls) 



Hydrargyri 



Hydrargyri Ammpniati 



Hydrargyri Dilutum (Blue ointment) 



Hydrargyri Nitratis 



Hydrargyri Oxidi Flavi 



lodi 



lodoformi 



Phenolis 



Picis Liquidae 



Stramonii 



Sulphuris 



Zinei Oxidi 



Adeps Benzoinatus — Benzoinated Lard 



Lard 100.0 Gm. 



Siam Benzoin 1.0 Gm. 



Add the benzoin to the lard and mix thoroughly; then melt 

 the mixture by means of a water bath, and, stirring frequently, 

 continue the heat for two hours, covering the vessel and not allow- 

 ing the temperature to rise about 60°G. (140°P.) Lastly strain 

 the liquid through muslin and stir occasionally while it cools. Pre- 

 serve it in a cool place in well closed containers which are imper- 

 vious to fat. 



Unguentum Hydrargyri Iodidi Rubri et Cantharides 



Red Iodide of Mercury 10.0 Gm. 



Cantharides, in fine powder 10.0 Gm. 



Benzoinated Lard 50.0 Gm. 



Triturate the red iodide of mercury in a mortar until all lumps 

 are reduced to a fine powder, add the cantharides, a little at a time 

 and mix the two substances thoroughly. Finally add the benzoin- 

 ated lard and rub in the mortar until completely mixed. 



Remarks : — This is a very popular blister for spavins, etc. 



