26 THE EQUINE HOSPITAL FORMULARY. 



Gargle (Mild). 

 Boric acid, one part. 

 Glycerine, five fluid parts. 

 Water, eleven fluid parts. 

 This gargle may be used once or twice daily. 



Gargle (Strong). 

 Permanganate of potassium, five grains. 

 Water, one fluid ounce. 

 This gargle may be used once or twice daily. 



Gargle. 

 Acid solution of nitrate of mercury, lll^iv. 

 Water, f. 5i- 

 This gargle may be used twice daily. 



Arsenical Poisoning (Acute). 



Arsenic is generally given to the horse in the form of the 

 trioxide (As^Og), or white arsenic, by labourers or grooms, 

 as a rule, through ignorance of its deleterious effects, in the 

 form of a bolus made up with tar or soap, and sometimes 

 as a powder in the food or water. 



In cases of acute poisoning, the respirations are about 

 35 per minute, the arteries greatly contracted and thread- 

 like, the pulse may be 100 per minute, the temperature 

 perhaps being also a little elevated. The animal purges, 

 and is in great pain, and very restless. The extremities 

 are cold, and the visible mucous membranes injected, the 

 ej'es staring, and the pupils dilated. Total loss of appetite 

 and extreme prostration are shown, and eructations of gas 

 occur from the stomach and intestines. A post-mortem 

 examination in a case showed that the endocardium of the 

 left ventiicle was highly inflamed and studded with patches 



