EED MANGE. 421 



sonous when taken into the stomach. To the wash some aloes is 

 added, with the view of preventing this by the bitter taste of the 

 drug, but though it has this good effect partially, there is nothing 

 like a wire or leathern muzzle kept constantly on, except when 

 feeding, at which time of course the tongue is otherwise engaged. 

 All applications must be rubbed well into the roots of the hair. 



Ointment (or dressing) for virulent mange : 



Green iodide of mercury, 2 drachms. 

 Lard, 2 ounces. 



Mix, and rub as much as can be got rid of in this way, into the diseased 

 skin, every other day, for a week; then wait a week, and dress again. 

 Take care to leave no superfluous ointment. 



■ A milder ointment : 



Compound sulphur ointment, 4 oz. 

 Spirit of turpentine, 1 ounce. 



Mix, and rub in every other day. 



Bed mange is quite of a different nature to either of the above 

 forms, being evidently a disease of the bulb which produces the 

 hair, inasmuch as the colouring matter of the hair itself is altered 

 and, if white, the hair looks of a pale brickdust colour, almost as 

 if the dog had been sprinkled over with this material. It first 

 shows itself almost invariably at the elbows and inside the arms, 

 then on the front and inside of the thighs, next on the buttocks, 

 and finally on the back, which is only attacked when the disease 

 has existed for some weeks or months. The health does not seem 

 to suffer, and the skin is not at all scabbed, except from the effects 



