152 NON-PARASITIC SKIN DISEASES. 



again. If the patient is suffering from indigestion, he should be 

 specially treated for it. 



While the ailment lasts, a soft rubber should be substituted for 

 the brush and currycomb. 



Wash the horse with warm water and carbolic or tar soap; dry 

 him well ; and then dress the irritated surfaces with any of the 

 following: — 



(1) Creolin or Jeyes' Fluid ... 

 Water ../ 



(2) Carbolic acid 

 Glycerine or oil ... 



(3) Liquor pi imibi subacetatis 

 Glycerine or oil ... 



(4j Corrosive sublimate 



Prussic acid (Scheele's strength) 



Liquor potassae ... 



Water 

 (5) Dilute nitrate of mercury ointment. 



The last-mentioned agent should neither be used over large sur- 

 faces, nor often repeated, for it might salivate the animal. 



In the eczema of hot climates, I have often had good results from 

 the application of salicylic acid and lard (1 to 8). 



For human practice, Whitla (" Dictionary of Treatment ") 

 strongly recommends an ointment composed of the following in- 

 gredients : — 



Liquor carbonis detergens ... ... 1 drachm. 



(Alcoholic solution of coal tar) 



Chloride of mercuric ammonium ... ... 10 grains. 



(White precipitate) 

 Lanoline ... ... ... ... ... 1 oz. 



It might be tried with advantage in horse cases. 



Itchy Tail {Eczema of the Tail). 



The unscientific term, itchy tail, is used for convenience sake 

 to express an irritable condition of the dock which induces the 

 horse to rub it against any convenient object and thus disfigure 

 himself. The animal is usually prompted to do this by skin disease 

 of the part, by the fact of the end of the tail being sore from having 

 been docked, or by reflex irritation, such as that due to worms. 

 The presence of dirt is a frequent cause of this condition, and also 

 of itchiness of the mane. 



TREATMENT.~To protect the part from being rubbed, we may 

 use a regular tail cover or tail guard, which is connected by a strap 



