soluble 5 in 1 of alcohol, 8 in 3 of ether, 4 in 1 of chloroform, 1 in 4 of olive 

 oil, and in other oils. 



Incompatibility, when triturated gives a liquid or soft mass with but- 

 ylchloral, camphor, phenol, chloral, resin, resorcin, thymol. 



Emplastrum Menthol. 15; Yellow Wax, 10; Resin, 75. 



Mezerei Cortex. Mezereon Bark. The dried bark of Daphne Me- 

 zereum, D. Laureola, or D. Gnidium. In long thin, more or less flattened 

 strips, or quills of various lengths, flexible, very tough and fibrous; outer 

 surface brown, inner white and silky; no marked odour but an acrid burning 

 taste. 



(see Ammoniacum, Amygdala, Creosotum, Creta, Fer- 

 rum, Guaiacum, Oleum Ricini, Senna, Vinum Gallicum). Dose. y*-\ 

 fl. oz.; save that the last three have a dose of 1-2 fl. oz. 



Morphina (see Opium p. 79). 



Moschus. Musk. Dose, 5-10 gr.; 3-6 dgms. 

 The dried secretions from the preputial follicles of Moschus moschiferus. 



Mucilagines (see Acacia, Tragacanth). 



Myristica. Nutmeg. The dried seeds of Myristica fragrans. 

 Oval or rounded seeds rarely exceeding an inch in length; odour strong 

 and agreeably aromatic; taste aromatic, warm and slightly bitter. 



Oleum Myristicae. Dose >^-3 min.; 0.03-0.2 c.c. 



A colourless or pale yellow oil having the taste of nutmeg. Soluble 1 in 

 4^ of alcohol, in all proportions in absolute alcohol. 



Spiritus Myristicae. Dose, 5-20 min.; 0.3-1.2 c.c. 

 10; Alcohol, to 100. 



MYRRHA. MYRRH. A gum resin obtained from the stem of Bal- 

 samodendron Myrrha. Rounded or irregular tears or masses of tears, 

 reddish externally, dry and brittle and more or less covered with a fine 

 powder: odour aromatic, taste aromatic, acrid and bitter: contains 40- 

 60% of gum soluble in water; remainder is largely resin and is soluble 

 in alcohol. 



^ilula Aloes et Myrrhae (see Aloe p. 32). 



iTinctura Myrrhae. Dose, 30-60 min. ; 2-4 c.c. 

 20; Alcohol, 100: by maceration. 



NAPHTHOL BETA-NAPHTHOL. Dose, 3-10 grs.; 2-6 dgms. 

 Betamonohydroxynaphthalene, CioHvOH. White or nearly white cry- 

 stalline laminae or in powder; taste sharp and pungent; odour resembling 

 phenol. Soluble 1 in 1,000 of water, 1 in less than 2 of alcohol. 



74 



