MATERIA MEDICA AND THERAPEUTICS. 7 



GLYCERITA — Glycerites. — (6 official). Mixtures of medi- 

 cinal substances with glycerin; as Glyceritum Acidi Tannici 

 (20 per cent). Glycer. Acidi Carbolici (20 per cent). Glycer. 

 of Starch, etc. 



LINIMBNTA — Liniments. — (9 official). Thin alcoholic or 

 oleaginous preparations intended for external use, and are made 

 by dissolving drugs in oily or alcoholic liquids; as Linimentum 

 Saponis, Linimentum Chloroformi, etc. 



LIQUORS — Solutions. — (24 official). Aqueous solutions 

 of non-volatile substances which are not otherwise specially 

 designated, as syrups, infusions or decoctions ; as Liquor Potassii 

 Arsenitis, Liquor Plumbi Subacetatis, etc. 



MASS^E — Masses.— (3 official). Pill masses, a prepara- 

 tion having proper consistence for making pills; as Massa Hy- 

 drargyri or blue mass; Massa Copaibse; and Mas. Ferri Carbo- 

 natis. 



MELLITA — Honeys. — (3 official). Differ from syrups in 

 having honey for their base ; as honey of roses (Mel. Rosae) ; Mel. 

 Despumatum, clarified honey. 



MISTUR2E — Mixtures. — (4 official). Aqueous prepara- 

 tions of insoluble substances held in suspension by a suitable 

 vehicle; as Mistura Cretae; Mistura Glycyrrhizae Composita or 

 brown mixture, etc. ^ 



MUCILAGINMS— Mucilages.— (4 official). Thick, viscid 

 liquids, prepared by dissolving gum in water or extracting with 

 water the mucilaginous principles of certain plants. 



They are simple bland preparations devoid of medicinal 

 properties, other than that of a demulcent and are used only as 

 such, or as a vehicle ; as Mucilago Acacise (34 per cent), Mucilago 

 Tragacanthae ; M. Ulmi (elm). 



BMULSA — Emulsions. — (4 official). Are aqueous prepa- 

 rations which ■ contain an oil or a resin, in a state of minute sub- 

 division and held in suspension in the liquid, which is some viscid 

 excipient, as gum, soap, alkali, or yolk of eggs. 



Natural emulsions are such as exist ready formed in nature, 

 as milk, yolk of Qgg, etc. 



Examples — Emulsum Ammoniaci ; Emulsum . Amygdalae 

 (milk of almonds) ; Asafcetida and Chloroformi. 



S 



