293 DADD’S VE.ERINAKY MEDICINE AND SURGERY. 
same remarks apply to many other forms of disease, which shows 
how important it is that stables should be properly ventilated. 
Symptoms.—The skin in those parts where the affection is lo 
cated shows on its surface small elevations, known as papule; but 
they are difficult to discover in some horses, as they are of the same 
tint as theskin. After awhile the rubbing tears away the summita 
of the papula, and a secretion exudes which soon forms very minute 
scabs. 
During the past four years the disease has prevailed very exten- 
sively among army horses, and it usually proved very obstinate, 
from the fact that very few of the army farriers understood its 
true nature; neither were they acquainted with the modus operandi 
of treatment. The authorities contend that prurigo is not a con- 
tagious affection, like itch and mange, and, therefore, it may be 
classed as a local affection, brought on by inattention to cleanlinesa 
In order to prevent it, the author advises a free use of the brush 
and curry-comb. 
Treatment.—The best mode of treatment is as follows. Sponge 
the affected parts thoroughly with the following lotion: 
No. 38. Powdered borax. ...c.ceseccccccecccs 4 02. 
Rain-water ...... a Wells aie sews teas wales 2 quarts. 
After using the above quantity, at one or two dressings, ther 
rub the affected regions dry, and lubricate the «ame with a por- 
tion of the following: 
No. 39. Kerosene oil..... LW eeesie ok aerate we ose 402. 
Pyroligneour acid....se.eseceevaees « 12 on. 
Mix. 
Tt is usually good policy to put the patient under a course ot 
allerative treatment; therefore the author recommends that he 
have, daily, thirty grains of iodide of potass, dissolved in four 
ouuces of water, to be given in the form of drench, every day, un- 
til the disease has disappeared. 
PoLL-EVIL 
The name of this disease originated in England, in consequence 
of it being more prevalent in that country than in some others; 
hence, was a great evi!, and occurring about the nape of the neck 
er region of the poll, it was called “ poll-evil.’ Much of the poll 
