pentine) obtained from Pinus sylvestris and other species. Limpid, 

 colourless, with a strong odour, and a pungent and somewhat bitter taste. 



1 Linimentum Terebinthinae. 65; Soft Soap, 7.5; Camphor, 

 5.0; Water to 100. 



2 Linimentum Terebinthinae Aceticum. 44; Glacial Acetic Acid, 

 by weight, 11; Liniment of Camphor, 44. 



OLEUM THEOBROMATIS. OIL OF THEOBROMA. (Cacao Butter.) A 

 concrete oil obtained by pressing the warm, crushed seeds of Theobroma 

 Cacao. A yellowish-white solid, with an odour resembling cacao, taste 

 bland and agreeable, free from rancidity. It softens at 80F. (26.6C.) 

 and melts between 88-93 F. (31.1-33.9 C). Contained in all sup- 

 positories except that of Glycerin. 



OPIUM. OPIUM. Dose, #-2 grs., 3-12 cgms. 



The juice obtained by incision from the unripe capsules of Papaver somni- 

 ferum, inspissated by spontaneous evaporation. Usually in rounded 

 or more or less irregular large masses, when dry, hard and a dark brown- 

 black colour; odour strong and characteristic, taste bitter. For the use in 

 the preparation of standardised galenical preparations any suitable variety 

 may be used, provided that it contain not less than 7.5% of anhydrous 

 morphine when dry. For all other purposes opium must contain of its 

 dry weight 9.5-10.5% of anhydrous morphine. The chief alkaloidal con- 

 stituent is morphine, the alkaloids codeine, thebaine, narcotine, are the 

 chief of the other alkaloids that occur. Opium also contains meconic 

 acid, free and in combination. Incompatibles, alkaline carbonates, salts 

 of mercury, and preparations containing tannin; and due to meconic acid, 

 ferric salts (red colour), lead acetate, silver nitrate, barium chloride, cal- 

 cium chloride, nitric acid. 



3 Emplastrum Opii. 10; Resin Plaster, 80. 



2 Extractum Opii. 1/4-1 gr.; 15-60 mgms. 



A partially dried aqueous extract, standardised to contain 20% of mor- 

 phine. 



1 Extractum Opii Liquidum. Dose, 5-30 min.; 0.3-2 c.c. 

 Of the extract, 3.75; Alcohol, 20; Water, 80. Contains about 3/4 gr. 

 morphine in 110 min. 



^ilula Plumbi cum Opio. Dose, 2-4 grs.; 12-24 cgms. (In 

 1 or 2 pills). 



12.5; Lead Acetate, 75; Syrup of Glucose, q.s. Each pill contains 1/4 

 gr. of opium. 



2 Pilula Saponis Composita. Dose, 2-4 grs.; 12-24 cgms. (In 

 1 or 2 pills.) 



20; Hard Soap, 60; Syrup of Glucose, 20. Each pill contains 2/5 gr. 

 of opium. 



78 



