THE ORGANS OF SPECIAL SENSE. 



223 



FlO. 68.— Cap for ears (Him,). 



tied below the jowl. This is the simplest and best form 

 of cap, and most easily prepared. 



Ticks in the Bab must not be mistaken for canker; 

 they are especially prevalent in hot countries and affect 

 the free margin ; they should be constantly and carefully 

 removed and the parts dressed with oil of turpentine. 

 They often cause much irritation. Scurfiness of the flap 

 of the ear may arise from this or from dirt ; the part 

 should be daily washed with soft soap aud warm water, 

 then dressed with glycerine or vaseline. 



Seeo-sanguineous Abscess of the Bab-flap or Hsematoma 

 is a very painful swelling which appears suddenly, causing 

 a tense swelling on the inner surface of the conchial flap. 

 It results from injury and is aggravated by shaking of the 

 head as an indication of pain. Treatment consists in in- 

 cision along the whole length of the tumour, thus giving 

 free evacuation to its contents, which are a blood-clot in 

 addition to the fluid ; unless this be evacuated the tumour 

 recurs. After free incision and thorough evacuation, touch 

 the edges of the wound with nitrate of silver (Hunting), 

 keeping the wound open and dressing with tincture of 

 myrrh, also protection of the ear with a cap. May hew takes 

 hold of the ear and opens the part of the tumour which is 

 then uppermost with a lancet, and then slits up the whole 

 length by means of a probe-pointed bistoury. Trinchera 



