1 86 MATERIA MEDIC A AND THERAPEUTICS. 



9. Suppositoria Plumbi Composita. Opium, Acetate of Lead, 



Benzoated Lard, White Wax, and Oil of Theobroma. 

 1 gr. in each. 



10. Tinctura Opii. " Laudanum." Opium, 1^; Proof Spirit, 



20. 1 gr. in 14ij min, Dose, 5 to 40 min. 



From Tinctura Opii are prepared : 



a. Enema Opii. Tincture, ^ fl.dr. ; Mucilage of 

 Starch, 2 oz. For one enema. 



b. Linimentum Opii. Equal parts of Tincture and 

 Soap Liniment. 



11. Tinctura Opii Ammoniata. "Scotch. Paregoric." Opium, 



Saffron, Benzoic Acid, Oil of Anise, Strong Solution of 

 Ammonia, and Spirit. 1 in 96. Dose, ^ to 1 fl.dr. 



12. Tinctura Camphorse Composita, Opium, Benzoic Acid, 



Camphor, Oil of Anise, Proof Spirit. ^ gr. in 1 fl.dr. 

 Dose, 15 to 60 min. 



13. Unguentum Gallse cum Opio. Opium and Ointment of 



GaTE 1 in 14$. 



From Opium is made : 

 Morphia' Hydrochloras. Hydrochlorate of morphia. 



Source. Made by (1) precipitating and rejecting the 

 meconic acid and resins, by adding a solution of chloride 

 of calcium to a concentrated cold watery infusion of 

 opium ; (2) evaporating the solution (containing hydro- 

 chlorates of the alkaloids), pressing to remove colouring 

 matter, exhausting with boiling water, filtering, and 

 pressing again; (3) repeating process (2) until solution 

 is nearly colourless; (4) completing decolorisation by 

 digesting with charcoal and filtering; (5) precipitating 

 morphia by ammonia, washing, diffusing in water, dis- 

 solving in hydrochloric acid and crystallising out. 



Characters. White acicular prisms of silky lustre ; 

 soluble in water and in spirit. 



Incompatibles. The alkaline carbonates, lime-water, 

 Baits of lead, iron, copper, mercury, and zinc, liquor 

 arsenicalis, and all astringent vegetables. 



Dose. ^ to gr. 



a. Liquor Morphia? Hvdrochloratis. Solution of Hydrochlorate 



of Morphia. 4 gr. in 1 fl.oz. of a mixture of Spirit, 

 Water, and Diluted Hydrochloric Acid. Dose, 10 to 60 

 min. 



b. Suppositoria Morphia. I gr. in each. 



c. Suppositoria Morphias cum Sapone. 2 S 1 "- m eacn - 



