CANKER IN THE EAR. G47 



EXTERNAL ULCER OF THE EAR. 



This disease has hj some been mistaken for canker, but 

 it is very dissimilar. This complaint is known by a foul 

 ulcer, which is situated on the lower edge of the flap, or one 

 on both ears, in the form of a slit. The pain of this sore 

 induces the dog almost continually to shake his head, which 

 irritates the sore, and increases the discharge of matter. 



The most frequent remedy is burning out the sore, by 

 means of a cauterizer, or with some caustic substances. But 

 the following is more efl'ectual : — 



Nitrated mercury . 2 drachms, 



Turner's cerate . 2 drachms, 



Lard ... 2 ounces, 



Bees' wax . . . ^ ounce. 



It must be well mixed together, and applied twice a day. 

 The part must be covered with a cloth, well secured, otherwise 

 the dog will remove all the ointment by scratching. 



The following has also been found an effectual remedy : — 

 Corrosive sublimate . 4 grains. 



Milk of sulphur . . 1 scruple. 



Turner's cerate . . 1 drachm. 



The following wash may be applied when the case is not 

 severe, and will generally prove effectual : — 



Corrosive sublimate . 6 grains, 



Rose-water . . . 1^ ounce, 



CANKER IN THE EAR. 



This consists of an eating sore, which spreads widely if 

 not stopped in time. The most simple remedy is the fol- 

 lowing : — 



Boil two ounces of shag-tobacco in a quart of water, until 

 it is evaporated to a pint. Dip the dog's ear into it, when as 



