164 Materia-Medica. 



3. Marshmallows, a double handful ; hot water, 1 qt. 

 Prepare and use as directed for No. 2. 



4. Gum arable finely powdered, 1 oz. ; water, 1 pint. 

 Mix and agitate until a mucilage is produced, and ad- 

 minister one-half for a dose. 



DIAPHORETICS. 



Although it is admitted that a class of medicines have 

 the property of stimulating excretion by the skin of the 

 horse, the benefit is not of large moment. If it is thought 

 advisable to make use of such remedies, a wise choice will 

 consist of the ethereal stimulants, carbonate of ammonia, 

 &c, assisted by warm clothing, and even the vapour 

 bath. 



DIGESTIVES. 



These are local agents, employed to stimulate tardy 

 wounds to more active suppuration, and thus promote a 

 healthy state, and more rapid healing. They are also 

 used for dressing setons, and partake of the form of oint- 

 ment. 



1. Strong vinegar, 17 parts ; honey, 14 parts ; verdigris, 

 finely powdered, 5 parts. Mix thoroughly, avoiding me- 

 tallic agents and utensils in the operation. 



2. Verdigris, finely powdered, 1 oz. ; Venice turpen- 

 tine, 4 oz. j hog's lard, pure, 8 oz. ; resin, 1 oz. Melt 

 the resin, then add the lard and turpentine, and apply 

 further heat until the whole are rendered fluid ; thoroughly 

 mix, and finally add the verdigris, keeping up the agita- 

 tion until the mixture in cooling becomes stiff. 



3. Resin, 1 oz. ; Venice turpentine, 2 oz. ; hog's lard, 

 pure, 4 oz. Melt the whole together over a slow fire, 

 mix thoroughly, and set aside to cool. 



DIURETICS. 



Remedies known to possess the power of stimulating 

 the discharge of urine are called diuretics. They reduce 

 the watery parts of the blood, and thus promote the 

 absorption of fluids effused into close cavities as in hydro- 



