•J 20 MATERIA MEDIC A. 



The dose is about one ounce. (See Ccm- 

 paid ill m. J 



MAGNESIA. A white powder, so ex- 

 tremely light, that a sufficient dose coulvi 

 not be given to a horse without great incon- 

 venience. It is a very useful absorbeiif in 

 the human bod}^, and well calculated to re- 

 move heart-burn, by destroj^ing any acidity 

 that may ex st in the stomach ; it has also 

 the advantage of acting as a gentle laxative. 

 But, in the horse, chalk, or either of the 

 fixed alkalies, answers the purpose equally 

 well ; and if a laxative efTect is required, a 

 small dose of aloes may be added. (See Ab- 

 sorbcnls, Phann. See Alkali, Maf. Med. J 



iMAlDEN HAIR. A old remedy for 

 coughs, but not proper for veterinary prac- 

 tice. 



MALACCA BEAN. The acrid matter 

 which renders this bean useful, is contained 

 between two membranes, which cover the 

 kernel. The Malays employ it for destroy- 

 ing fungous, or proud flesh ; and, from its 

 tHjrrosive quality, it would probably be 

 found very serviceable as an external appli- 

 .cation in horses. 



MALLOWS. This plant is useful in the*. 



