VETERINARY DENTAL SURGERY. 109 



which we did, and expose the fang of the tooth. 

 Placing the punch on the tooth, a few heavy blows 

 with the mallet drove it up into the mouth. On 

 examination of the tooth after its removal we found 

 the root ulcerated and covered with numerous small 

 exostoses, and the entire pulp cavity diseased. The 

 jaw was then examined and found to be slightly 

 necrosed, also several small exostoses on the second 

 molar which could be felt through the opening made 

 by the trephine. I was about to place the punch on 

 this tooth and drive it out, but much to my disap- 

 pointment and disgust the owner would not consent. 

 I could not convince him that the tooth was diseased, 

 so had to abandon its removal, well knowing that 

 time would verify my diagnosis. I never saw a case 

 do better, and very much to my surprise healed up 

 entirely. I could not believe that I had made a mis- 

 take, and time proved I had not. In a few weeks it 

 broke out as before. It was not until March, 1888, 

 that the owner consented to have the tooth removed. 

 We found quite a different horse this time on which 

 to perform an operation. Before he was very 

 docile; now after one experience in the stocks he was 

 almost unmanageable. However, I succeeded in 

 trephining without much difficulty, but when the 

 punch was placed on the tooth we found it impossible 

 to strike it, on account of the head being kept in 

 continual motion. The horse was then cast and the 



