MATERIA MEDICA AND THERAPEUTICS. 255 



Ijc Hydrarg. chlor. corros., grs. vijss. 



Ammoni, chloridi, grs. vijss. 



Aqua, Oj. 



Liq. carmini qs. 



M. Ft. Sol. 

 Sig — For external use. 



Although as a rule it is better that you prescribe an exact 

 quantity. One to four drachms to the pint of any of the agents 

 mentioned for coloring liquids is about the proper amount. 



Poisonous solutions that are colorless, such as solutions of 

 the bichloride of mercury, etc., should always be colored, to at- 

 tract the attention of the one using it that it is medicine and not 

 water or some equally harmless substance. 



THE FOLLOWING IS A LIST OF THE MOST COMMONLY USED DRUGS 

 AND ARE TBOSE USUALLY REQUIRED IN A MEDICINE CASE, 



kreso is a powerful antiseptic, allied to Creolin and used in 

 the proportion of 2 to 4 drachms to one pint of water. The milder 

 solution is strong enough for most purposes. 



