354. DISEASES OF DOGS : THE EAU. 



CHAP. XVIII. 



CANKER IN THE INSIDE OF THE EAU. 



This term is applied to a peculiar inflammatory 

 affection in the inside of the ear, and is more fre- 

 quently met with amongst such dogs as are highly 

 fed, and are particularly fond of the water, as 

 the Newfoundland breed and others. It is first 

 discovered by the dog frequently shaking his head, 

 and scratching his ear, and he is often observed to 

 hold his head on one side, that side the ear is 

 affected. On examining the inside of the ear, it 

 looks red and scurfy ; and if the disorder has con- 

 tinued any time, there is a yellowish viscid dis- 

 charge from the parts; and it not unfrequently 

 occurs in its advanced stage, that the eyes be- 

 come similarly affected. In some instances, like- 

 wise, the dog's coat stares, and his skin is rough. 

 Sometimes, when the disease is neglected, or in- 

 judiciously treated, the inflammation extends to 

 the organ of hearing, and causes deafness. 



It is noticed that, in dogs affected with canker in 

 the ear, the disease almost, nay often entirely, 

 disappears during the sporting season, when they 

 are most exercised. When the dogs come again 



