228 Diseases of the Eyes and 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. Zveatment 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 Zumours within the Ear, consisting of 
fibrous or cartilaginous growths, are common results of 
internal canker, situate near the auditory canal. Zyeat- 
ment consists of removal by excision, ligature, or torsion, 
and the subsequent application of lunar caustic. 
Squamula, or Scurfiness of the Ear-flap, may exist in 
conjunction with irritation and bruising as the result of 
internal canker in the early stages, also from dirt and 
the presence vf parasites, one of which is the common 
tick, Lxodes reticulatus, 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 Acariasts, is a 
form of parasitic disease common to sporting dogs, in- 
ducing persistent irritation, recurring fits of extreme 
uneasiness, 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', 100 parts, naphthol, 10 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 prevent loss of effect by evaporation. Deafness 
is a common result. 
