344 INFLAMMATIONS. 



tribe, which has been detected by the microscope in many cases, 

 but which by some people is maintained to be an accidental effect, 

 and not a cause of mange. However this may be, it is found that 

 remedies which are destructive to insect life, are by far the most 

 efficacious, such as hellebore, sulphur, corrosive sublimate, tobacco, 

 etc. The second kind of virulent mange is more rare than that 

 described above, and still more difficult of cure, the vegetable par- 

 asite being less easily destroyed than the insect. This parasite is 

 supposed to be of the nature of mould or fungus, which is most 

 obstinately tenacious of life, and is reproduced again and again in 

 any liquid where it has once developed its germs. In outward 

 appearance this variety of mange differs very little from the in- 

 sect-produced form, but it may be known by its generally attack- 

 ing young puppies, while the other appears at all ages, but chiefly 

 in the adult animal. The hair falls off in both, but there is more 

 scab in the insect mange, probably from the fact, that it does not 

 produce such violent itching, and therefore the scratching is not 

 so incessant. The treatment is nearly the same in both cases, being 

 chiefly with external remedies, though alteratives, stomachics, and 

 tonics are often required from the loss of health which generally 

 accompanies the disease. In all cases, therefore, it is necessary to 

 attend to this, giving generally a mild aperient first, such as (12) or 

 13), and subsequently (2) and (3) combined together, or (1) and (59), 

 according to circumstances. At the same time one of the following 

 applications may be tried externally, using a wire or leather muz- 

 zle so that the dog does not lick off the ointments, either one of 

 them, as they are highly poisonous when taken into the stomach. 



Ointment (or dressing) for virulent mange : Green iodide of mer- 

 cury, 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. Spirits of turpentine, 1 ounce. Mix, and rub in 

 every other day. All applications should be rubbed well into the 

 roots of the hair. 



Bed mange differs materially from either of the above forms, be- 



