Thus Americanum. Frankincense. The concrete oleo-resin scraped 

 off the trunks of Pinus palustris and P. Taeda. 



THYMOL. THYMOL. Dose, K-2 grs.; 3-12 cgms. 



A crystalline substance obtained from the volatile oils of Thymus vul- 

 garis, Monarda punctata, and Carum copticum. Large, colourless 

 crystals with the odour of thyme and a pungent aromatic taste. Almost 

 insoluble in water, freely soluble in alcohol. 



Incompatibles, spirit of nitrous ether; gives a soft or liquid mass when 

 triturated with, acetanelid, antipyrine, camphor, phenol, chloral, menthol, 

 quinine sulphate, resin, salol. 



Thyroideum Siccum. Dry Thyroid. Dose, 3-10 grs. ; 2-6 dgms. 

 A powder prepared from the fresh and healthy thyroid of the sheep. 



LIQUOR THYROIDEI. THYROID SOLUTION. Dose, 5-15 min.; 

 0.3-1 c.c. A watery extract of the fresh and healthy thyroid glands of the 

 sheep, containing 0.5% of phenol as a preservative. A pinkish, turbid 

 liquid, entirely free from any odour of putrescence. 



TINCTURE (see Aconitum, Aloe, Arnica, Asafetida, Aurantium 

 Belladonna, Benzoinum, Buchu, Calumba, Camphora, Cannabis Indica, 

 Cantharis, Capsicum, Cardamomum, Cascarilla, Catechu, Chirata, Chloro- 

 formum, Cimicifuga, Cinchona, Cinnamomum, Coccus, Colchicum, 

 Conium, Crocus, Cubeba, Digitalis, Ergota, Ferrum, Gelsemium, Gentiana, 

 Guaiacum, Hamamelis, Hydrastis, Hyoscyarhus, lodum, Jaborandi 

 Jalapa, Kino, Krameria, Lavandula, Limon, Lobelia (etherial), Lupulus, 

 Myrrha, Nux Vomica, Opium, Podophyllum, Prunus Virginiana, Pyre- 

 thrum, Quassia, Quillaia, Quinina, Rheum, Scilla, Senega, Senna, Ser- 

 pentaria, Strammonium, Strophanthus, Sumbul, Balsamum Tolutanum, 

 Valeriana, Zingiber). 30-60 min. is the dose of all tinctures except the 

 following: (1) having a dose of 5-15 min. Belladonna, Cannabis Indica, 

 Capsicum, Chloroform and Morphine, Coccus, Colchicum, Digitalis, Iron 

 Perchloride, Lobelia, Nux Vomica, Opium, Podophyllum, Squills, Stram- 

 monium, Strophanthus; (2) Having a dose of 2-5 min. lodum, Aconite, 

 and Cantharides, the two latter may for a single administration be given 

 in 5-15 min. doses. 



TRAGACANTHA. A gummy exudation obtained from the stem of 

 Astragulus gummifer, and other species, white or pale yellowish flakes, 

 flattened, thin, irregular and marked on the surface by concentric rings; 

 somewhat translucent, horny, inodorous and almost tasteless. Sparingly 

 soluble in water, but swells into a mass with it. 



^lycerinum Tragacanthae. 20; Glycerin, 60; Water, 20: by 

 trituration. 



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