165 

 quickened respiration with violent cough, and may 

 be reasonably supposed to lay the foundation of 

 subsequent disease. The advantages of its employ- 

 ment have not been demonstrated, but the results of 

 practice rather show it to be injurious. By the mem- 

 bers of the veterinary profession it is not generally 

 used : gentler measures are of greater importance, and 

 these ought, only under very peculiar circumstances, 

 to be abandoned. There, however, yet remains 

 to be described, the mode of proceeding when the 

 diseased tooth is seated in the lower jaw. In that 

 case, a sinus or canal, discharging an unhealthy 

 matter, is present. No treatment will cause that 

 sinus to close, while the diseased tooth is retained ; 

 and until its removal is effected, all applications 

 designed for that end are thrown away. After the 

 tooth has been extracted, a solution of sulphate of 

 zinc may, with advantage, be daily injected, and 

 constitutional measures at the same time adopted, till 

 an altered action has been called forth, when the 

 annoyance will quickly cease. The enlarged bone 

 will, however, remain ; and, in the majority of cases, 

 it may be best no further to interfere with it, than by 

 the external application of such agents as are likely 



