_ Diseases of the Skin,—External Parasites. 21la 
then more or less febrile disturbance is apt to take place. 
When the pad of the foot is involved, the animal walks with 
reluctance and evident soreness. Young dogs, particularly 
when teething, are those usually attacked. The disease is 
non-contagious, and readily yields to treatment. 
Treatment.—Mild saline aperients in the first instance, 
followed by tonics, form the most effectual medicinal 
treatment. ; 
With regard to local applications, the oxide of zinc oint- 
ment or lotion is most suitable. Sponging with cold 
vinegar and water or a weak solution of alum is likewise 
beneficial. The diet should be plain and unstimulating. 
URTICARIA. 
Nettle-rash is a non-contagious skin disease, usually 
arising from derangement of the digestive organs; often 
produced by eating bad or stale fish, especially on the sea 
beach. Beetroot also induces it, whilst frequently it follows 
sudden chill after hot temperature, especially if the animal 
is plethoric. Occasionally nettle-rash occurs during den- 
tition, and in suckling bitches. 
Symptoms.—Sudden and numerous puffy-like irregular 
elevations of the skin, attended with irritation and slight 
heat. May disappear as suddenly, and be recurrent. Head 
and face often swollen considerably, and particularly the 
eyelids and lips. 
Treatment—Saline aperients. Application of vinegar, 
lemon juice, or other acidulated and sedative lotions to the 
skin. Avoidance of chill. Sharpexercise. Plain unstimu- 
lating . diet. 
RINGWORM (PROPER). 
This disease is occasionally met with in the dog. It is 
due to the presence of a minute vegetable parasite or 
fungus (Zvicophyton tonsurans, Malmsten, or Achorion 
Lebertiz), 
Ringworm is exceedingly contagious, communicable from 
man to the lower animals, and vice versa. 
