NITROL'S ACJD— OAK BARK. 133 



Nitre, as we have already observed, acts 

 as a diuretic ; but this effect is remarkably 

 expedited by the addition of camphor, 

 about two drams of the latter to one ounce 

 of nitre. 



NITROUS ACID. A strong liquid caus- 

 tic, which, when dilated, with a large pro- 

 portion of water, forms a good detergent 

 wash. (See Detergents, Pharm.J 



Quicksilver is readily dissolved in this 

 acid, and forms with it an excellent caustic, 

 which is an infallible remedy for the /(?o/- 

 rot in sheep. This solution may be mixed 

 with melted lard, so as to form a strong de- 

 tergent ointment, or with water in an}^ pro- 

 portion. (See Acid, Nitrous.) 



NUTMEG. This well-known spice is a 

 2-ood stimulant and cordial medicine, but not 

 preferable to many others that are much 

 less expensive. (See Cordials, Phnrm.J 



OAK BARK. A decoction of oak bark 

 is a good vehicle for tonic and astringent 

 medicines. When finely powdered and 

 made into balls with ginger, and a little oil 

 of carraway, it may be of service in those 

 complaints, the continuance of which de- 

 pend upon debility. It is said, however, 

 to be much less efficacious than Peruvian 



