Diseases of the Ear. 199 
paralysis of the auditory nerve from severe shock. Youatt 
observes, with regard to cropping: “ Deafness is occasion- 
ally produced by it in some dogs, and constantly in others. 
The frequent deafness of the pug is solely attributable 
to the outrageous, as well as absurd, rounding of his ears. 
The almost invariable deafness of the white, wire-haired 
terrier is to be traced to this cause.” 
Treatment.—If deafness proceed from congenital causes, 
it is needless to remark that a cure is hopeless. Where it is 
due to morbid -growvhs, resulting from canker, polypus, or 
other diseases, the removal of such obstruction is indicated. 
If trom paralysis, counter-irritation behind the ears, by 
blisters or seton, and the administration of strychnine or 
nux vomica, are the measures to be adopted. 
SCURFY EARS. 
Scurfy ears are frequently met with in long-haired dogs, 
and may either be associated with mange, or the result of 
an over-heated, plethoric habit of body--more frequently 
the latter. If neglected, this condition is apt to run on to 
canker. 
Treatment.—An aperient, followed by drachm doses of 
sulphur in a bolus daily, and a spare, unstimulating diet, 
usually removes the affection. An ointment composed of 
sulphur and whale-oil may, in obstinate cases, be applied 
with success to the ears, 
