HYGIENE, UNSOUNDNESS, DISEASE. 259 



of the urine. When a horse goes down with this 

 trouble, keep him as quiet as possible. Do not 

 move him. Get the veterinarian and the first 

 thing he will do, if he knows his business, is to 

 empty the bladder. Thereafter the treatment 

 must be governed by the indications of the case 

 and is too intricate to be attempted save under 

 the guidance of the practitioner. To avoid at- 

 tacks of the kind see to it either that horses 

 are regularly exercised or that when they must 

 be idle their rations of grain are very greatly 

 reduced. 



Overheating is commoner in cities than in the 

 country. Attacks of this kind are brought on 

 by working horses too hard on very hot and 

 humid days, but there never was a case of the 

 kind known where the horse was not suffering 

 from some form of indigestion. It is extraor- 

 dinary what degrees of fever may be discov- 

 ered in badly overheated horses. I saw a case 

 last summer where the temperature ran up to 

 110"^ and of course dissolution supervened 

 speedily. Usual symptoms are that the horse 

 will dry up if sweating, lag behind his mate if 

 in a team, stagger and go down with a crash, 

 the common verdict being ' ^sunstroke. ' ' It is 

 not sunstroke, but exhaustion. The best thing 

 to be done is to turn the hose on the horse and 

 play the water all over his body. This cools 

 off the tissues, the force of the water materially 

 aiding this process. In default of the hose get 



