Eucalyptol. Eucalyptol. Dose, 1-5 min.; 0.06-0.30.0. 

 A purified substance prepared from the oil of eucalyptus and other sources. 

 A colourless liquid, with a characteristic aromatic camphoraceous odour 

 and a spicy pungent taste, leaving a cool sensation in the mouth. Mis- 

 cible in all proportions with alcohol, but not with water. 



2 Gargarisma Acidi Tannici. Tannic Acid Gargle. Glycerin of 

 Tannic Acid. 10; Water to 100. 



2 Gargarisma Aluminis. Alum Gargle. Alum, 2; Acid Infusion 

 of Roses to 100. 



2 Gargarisma Boracis. Borax, 4; Water to 100. 



2 Gargarisma Potassii Chloratis. Potassium Chlorate, 2; Diluted 

 Hydrochloric Acid, 1; Water to 100. 



2 Gossipium Acidi Borici. Boric Acid Wool. Cotton Wool im- 

 mersed in a saturated solution of boric acid tinged with aniline red and 

 removed and dried. Contains 40-50% of boric acid. 



Guaiacol. Guaiacol. Dose, 1-5 min.; 0.06-03 c.c. 



Cet^OCHsOH. Obtained either synthetically or by the fractional dis- 

 tillation of wood creosote. An oily colourless liquid, with a penetrating, 

 smoky odour and a caustic taste. Soluble 1 in 80 of water, miscible with 

 alcohol ether and oils. 



2 Guaiacolis Carbonas. Guaiacol Carbonate. Dose, 5-15 grs.; 

 3-10 dgms. May be gradually increased to 30 grs.; 2 gms. 

 The carbonic ester of guaiacol. A white crystalline powder almost with- 

 out taste or odour. Soluble 1 in 70 of alcohol, insoluble in water. 



LIQUOR FORMALDEHYDI. A solution of formaldehyde obtained by 

 dissolving in water formic aldehyde. A colourless transparent liquid 

 with a pungent odour and a caustic taste. Miscible with water and al- 

 cohol. Should contain 38-39 % of aldehyde. 



Hexamethylenamina. Hexamethylene-tetramine. (Hexa- 

 methylenamine, Formamine.) Dose, 5-15 grs. ; 3-10 dgms. 

 (CH 2 )eN4. A white crystalline powder, odourless; in solution has an al- 

 kaline reaction. Soluble 1 in 1# of water, 1 in 8 of alcohol (Urotropin). 



METHYL SALICYLICUM. METHYL SALICYLIC ESTER (Oil of Winter- 

 green). Dose 57 min. 0.30.5 c.c. 



A light yellow oily fluid, soluble in fats, alcohol, and ether. 



Methylthioninae Hydrochloricum. (Methylene Blue.) Dose, 

 1-5 grs.; ^-3 dgms. 



A dull dark-green crystalline powder. Soluble 1 in 50 of water, less sol- 

 uble in alcohol. 



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