GREASE. 245 
in the enjoyment of its carefully-prepared diet, is, from mistaken mo- 
tives, turned into the field, life may be prolonged, but it is at the expense 
of much suffering, with the almost certain visitation of grease in a 
virulent form. 
The earliest symptom of approaching grease 
is enlargement of the legs, accompanied by con- 
siderable heat of the skin. If the animals be 
now observed, they will be seen to be uneasy in 
their stalls; the hinder feet are occasionally 
noisily stamped upon the pavement. Should 
the hair be examined, it will be discovered loaded 
with scurf about the roots, while one hind foot 
will be frequently seen employed to scratch the 
back of the opposite leg. = 
Should these indications attract no attention, 4 nonse scrarcmina onE LEG 
the hairs soon begin to stand on end or to pro- fu cr THE FaRLins? ApPEane 
ject outward, as though each was actuated bya — 4°* OF GRPASE. 
separate purpose, and each desired nothing so much as to avoid its fel- 
lows. At the same time, the part begins to exude a thick, unctuous 
moisture, from which the disease derives its name. This hangs upon all 
the hairs of the heel in heavy drops. It is an offensive secretion. It 
emits a remarkably pungent and a very peculiar odor, which, once 
inhaled, is never afterward to be forgotten. 
Should no regard be now bestowed upon the sufferer, and should the 
horse be worked on despite the lameness which it now exhibits, the skin 
FIRST STAGE OF CONFIRMED GREASE. THE SECOND STAGE OF CONFIRMED GREASE. 
EXUDATION. CRACKS. 
swells, while cracks, deep and wide, appear upon the inflamed integument. 
The lines of division ulcerate, sometimes very badly; a thin, discolored, 
and unhealthy pus mingles with the discharge; the odor grows still more 
abominable, while the wretched animal becomes yet more lame. 
