41 



diseases, such as bruises, etc. The dilute water is to be preferred 

 for use. ' 



LiQDOE Plumbi Subacetatis Dilutus. Diluted solution of lead 

 acetate. 



Solution of Lead Subacetate 4.0 Gm. 



Distilled Water, a sufficient quantity 



to make 100.0 Gms. 



Mix the solution of lead subacetate with enough distilled water, 

 previously boiled and cooled, to make the product weigh 100.0 grams. 

 Keep in well stoppered bottles. 



Liquor Ammonii Acetatis — Solution of Ammonium Acetate 



An aqueous solution which should contain not less than seven 

 per cent of Ammonium Acetate, with small amounts of Acetic and 

 Carbonic Acids. 



Ammonium Carbonate 2.5 Gms. 



Diluted Acetic Acid 50.0 mils 



Add the ammonium carbonate, which should be in hard trans- 

 lucent pieces, gradually to the cold dilute acetic acid, and stir 

 until dissolved. It should be freshly prepared when wanted. 



Remarks: — This preparation is frequently called "Spirits of 

 Mindererus". It is a refreshing refrigei^ant. 



Chaptee IX. 



MUCILAGINES— MUCILAGES 



Mucilages are aqueous adhesive liquors or jelly-like prepara- 

 tions containing a viscid substance (gum or starch) either in solu- 

 tion or suspension. All mucilages are prone to decomposition and 

 on this account should be freshly prepared for internal use. The 

 following are official : 



Mucilago Acaciae Mucilage of Acacia. 



Mucilago Tragacanthae Mucilage of Tragacanth. 



