228 Diseases of the Eyes a7id Ears. 



which proves to be a large clot of blood, with a thin red 

 fluid, the result of rupture of the vessels and escape of 

 the contents within the areolar tissue. Treatment consists 

 of opening the abscess by free incision across its entire 

 extent, and liberation of the contents, dressing the 

 wound regularly several times daily with " Sanitas " 

 Fluid, or compound tincture of aloes and myrrh, and 

 putting on the cap. 



Polypi, or Tumours within the Ear, consisting of 

 fibrous or cartilaginous growths, are common results of 

 internal canker, situate near the auditory canal. Treat- 

 ment consists of removal by excision, ligature, or torsion, 

 and the subsequent application of lunar caustic. 



Squamula, or Sciirfiness of the Ear-fap, may exist in 

 conjunction with irritation and bruising as the result of 

 internal canker in the early stages, also from dirt and 

 the presence of parasites, one of which is the common 

 tick, Ixodes retiaiiatus, usually found on the margin of 

 the ear. The best remedy is the following mixture : — 

 Olive oil and turpentine, equal parts, one or two drops 

 being sufficient for each tick. 



Mange of the Ear, or Auricular Acariasis, is a 

 form of parasitic disease common to sporting dogs, in- 

 ducing persistent irritation, recurring fits of extreme 

 uneasmess, and sometimes epileptiform seizures, or 

 violence which has been mistaken for rabies, the animals 

 being dealt with accordingly. The best remedies are a 

 five per cent, solution of sulphide of potassium, which 

 should be frequently injected within the ear; and, as 

 used by Nocard, olive oi', loo parts, naphthol, lo parts, 

 sulphuric ether, 30 parts : mix, and keep in a well- 

 stoppered bottle. A portion to be injected into the ear 

 daily, after which the orifice is to be closed with cotton 

 wool to p;event loss of effect by evaporation. Deafness 

 is a common result 



