MUSTARD SEED. 377 



(5.) Oxide of Mercury. — Red Precipitate. Used in 

 the treatment of unhealthy ulcers and sores, in the form 

 of powder and ointment. It is the principle in the yellow- 

 wash already spoken of in connection with the subject of 

 lime. (Which see.) 



(6.) Sulphate of Mercury. — Turbith Mineral. A 

 medicine of no use, which should be expunged from the 

 books on horse and cattle diseases. 



(7.) Sub-Chloride of Mercury. — Calomel A medi- 

 cine I never use, and will not recommend for internal 

 administration. In the form of the black-wash, and 

 sprinkled upon sores, it is a good remedy. Calomel is 

 recommended for thrush in the feet of horses, and is in- 

 serted in the cleft of the frog. 



Mercurial Ointment. — This is sold in the drug stores. 



The ointment of mercury is chiefly used in skin diseases, 

 as mange in horses and dogs. But a better remedy will 

 be found in sulphur, and its preparations, which are not 

 only more safe, but more certain of curing the case. 



Mezeron. — Daphne Mezerum. A plant, from the bark 

 of which an extract is made, and from the extract an oint- 

 ment composed of one drachm to four parts of lard, which 

 is used for the purpose of keeping up the irritation of 

 blisters. 



Morphia. — (See Opium.) 



Muriatic Acid. — (See Acids.) 



Mustard Seed. — Sinapis Nigra. Used as an irritant 

 on parts of the body, where the Spanish fly would be 

 improper and dangerous. On the belly, and over the 

 loins are the usual places where mustard is a]^plied. In 

 lumbago, and sprains of the back and loins, and in pain in 



