Only in the hottest summer weather should its melt- 

 ing point be raised by the addition of spermaceti or 

 wax, unless some softening ingredient is used in 

 making the suppositories. 



By what three methods are Suppositories shaped? 

 By rolling, moulding and pressing. 



What precaution is necessary in making Ergotin 

 Suppositories? To use the least amount of heat 

 possible. 



TINCTURE Tinctures. 



Are Alcoholic solutions of non-volatile medicines 

 except tincture of Iodine. 

 Name modes of preparation. 

 No. I Percolation. 

 No. 2 Maceration. 

 No. 3 Solution. 

 No. 4 Dilution. 

 Give example by each process. 

 No. I Tincture Cantharides. 

 No. 2 Tincture Aloes. 

 No. 3 Tincture Iodine. 

 No. 4 Tincture Chloride of Iron. 

 How many officinal Tinctures are there? Seventy- 

 three. 



Into what two general classes may Tinctures be 

 divided? Into simple arid compound Tinctures. 



Why is Glycerin used in Tinctures? To prevent 

 precipitation on standing. 



How would you prepare the U. S. P. Tincture 

 Herbarum Recentium? 



These Tinctures, when not otherwise directed, are 

 to be prepared by the following formula: 

 Take of the Fresh Herb, bruised or crushed, 



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