Ear] 94 [Ear 



night and morning with a tablespoonful of 

 methylated spirits added to half a tumbler of 

 tepid water, and then after letting the dog 

 shake his head, the ear should be thoroughly 

 dried with some medicated wool twisted around 

 a bodkin, and then be filled with some finely 

 powdered boracic acid. This is best done by 

 the means of a quill attached to an india- 

 rubber tube, the quill being filled up by being 

 dipped into the powder, and then inserted into 

 the ear, and deposited there by means of 

 blowing through the tube. 



Some of these cases are difficult to cure, but 

 with perseverance they get all right in time. 



There is another form of canker due to an 

 insect, which I call psoroptes auricularis canis. 

 This is a very minute insect, which collects in 

 large numbers in the canal of the ear, causing 

 the dog to shake his head frequently, and 

 scratch the ear. The canal of the ear looks 

 as if it were full of dry grey powder, but if 

 looked at carefully it will be noticed to be full 

 of very small insects, the size of tiny cheese 

 mites, and they will be seen running about as 

 they are very active. This form of canker is 

 contagious. 



Treatment : Syringe the ear thoroughly 

 with a teaspoonful of Pearson's fluid added to 

 six ounces of tepid water, then carefully dry, 

 and anoint with the following ointment. 



The syringing should be repeated about 

 twice a week, and the ointment applied night 

 and morning for a time. 



