DOGS I THEIR MANAGEMENT. 425 



some dressing into the ear of a dog that had got canker. 

 Of what the dressing that had occasioned such pain was 

 composed, I never inquired ; but we may judge of its 

 power to destroy the bone, from the extent of the agony 

 which it produced. No wonder, when such powerful 

 agents were employed, the bone, the brain, or any other 

 part, was affected. 



Thank heaven ! there is one good custom prevalent in 

 this disease dogs affected with it are brought to us 

 early. Often, when the animal is only observed to be 

 constantly shaking and scratching the ear, the proprietors 

 bring the dog for us, to remove something from the inte- 

 rior of the organ. At other times, and with the most 

 careless or unobservant masters the dog is brought under 

 our notice with a blackened discharge within the convo- 

 lutions of the ear, and a slight smell, like decayed cheese, 

 proceeding from it. A crackling sensation is then 

 imparted to the fingers when the base of the ear below 

 the flap is manipulated; the necessary pressure some- 

 times drawing forth an expression of pain. A worse case 

 than this I have not encountered ; though how common 

 canker has been in my practice may be conjectured from 

 my keeping a two-gallon stock-bottle of the wash in my 

 surgery, and a label, for the bottles in which it is sent 

 out, within my drawers. The mode of administering this 

 wash is admirably described by Youatt, from whose pages 

 I transcribe it : 



" Some attention should be paid to the method of 



