CEEBBRAL DEPEESSANTS. 119 



Alcohol, alcohol. Contains about ninety-one per 

 cent, by weight, or ninety-four per cent, by volume, 

 of ethylic alcohol, but no fusel oil. It is a transpar- 

 ent, colorless, mobile, and volatile liquid, of a char- 

 acteristic, pungent, and agreeable odor, a burning 

 taste, a neutral reaction, is very inflammable, burns 

 with a smokeless blue flame, and has a specific grav- 

 ity of 0.820 at 60° F. It should be kept in well- 

 stoppered glass vessels remote from lights and fire. 

 Dose: H., fi. li.-ij.; D., fl. 3 i.-ij. 



Alcohol Dilutum, diluted alcohol (45.5 per cent, 

 by weight [fifty-three per cent, by volume] of ethyl 

 alcohol; and 54.5 per cent, by weight [forty-seven 

 per cent, by volume] of water. Specific gravity, 

 0.938 at 60° F. 



Spiritus Frumenti, whiskey. Obtained by the dis- 

 tillation of the mash of fermented grain ; from rye, 

 wheat, or corn (United States), barley (Scotch), and 

 at least two years old. (Irish whiskey is obtained 

 from potatoes.) Contains from forty-four to fifty 

 per cent, by weight of alcohol ; also contains ethers 

 developed by the action of butyric and acetic acids 

 on the alcohol, and traces of fusel oil. Dose: H., 

 fl. I ij!-viij. ; D., fl. 3 .i-fl- 1 ij. (always well diluted). 



Spiritus Vini Gallici, brandy. Obtained by the 

 distillation of fermented grape juice, and at least four 

 years old.. Contains from thirty-nine to forty-seven 

 per cent, by weight of alcohol, and certain ethers 

 which are developed by age. If pale it is colored 

 from the cask ; if dark it is colored by the addition 

 of caramel or burnt sugar. Brandy is frequently 



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